# EDGAR Filing Document

**Accession Number:** 0001348911
**File Stem:** 0001193125-26-124232
**Filing Date:** 2026-3
**Character Count:** 547929
**Document Hash:** dc569adac50cf8dc1ab1251df6ce8158
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-124232.hdr.sgml**: 20260325

**ACCESSION NUMBER**: 0001193125-26-124232

**CONFORMED SUBMISSION TYPE**: 10-KT

**PUBLIC DOCUMENT COUNT**: 108

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260325

**DATE AS OF CHANGE**: 20260325

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** KalVista Pharmaceuticals, Inc.
- **CENTRAL INDEX KEY:** 0001348911
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 200915291
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0430

**FILING VALUES:**
- **FORM TYPE:** 10-KT
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36830
- **FILM NUMBER:** 26792960

**BUSINESS ADDRESS:**
- **STREET 1:** 200 CROSSING BOULEVARD
- **CITY:** FRAMINGHAM
- **STATE:** MA
- **ZIP:** 01702
- **BUSINESS PHONE:** (857) 999-0075

**MAIL ADDRESS:**
- **STREET 1:** 200 CROSSING BOULEVARD
- **CITY:** FRAMINGHAM
- **STATE:** MA
- **ZIP:** 01702

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Carbylan Therapeutics, Inc.
- **DATE OF NAME CHANGE:** 20140916

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Carbylan Biosurgery, Inc
- **DATE OF NAME CHANGE:** 20130102

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Carbylan Biosurgery Inc
- **DATE OF NAME CHANGE:** 20060105

?xml version='1.0' encoding='ASCII'? 10-KT

n

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

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**FORM** 10-KT

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**(Mark One)**

☐ **ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For the fiscal year ended** 

**OR**

☒ **TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934**

**For the transition period from** May 1, 2025 **to**December 31**,** 2025

**Commission file number** 001-36830

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KalVista Pharmaceuticals, Inc.

**(Exact name of registrant as specified in its charter)**

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| | |
|:---|:---|
| Delaware | 20-0915291 |
| **(State or other jurisdiction of**<br>**incorporation or organization)** | **(I.R.S. Employer<br>Identification No.)** |
| 200 Crossing Boulevard<br>Framingham**,** Massachusetts | 01702 |
| **(Address of principal executive offices)** | **(Zip Code)** |

---

**Registrant's telephone number, including area code: (**857**)** 999-0075

**Securities registered pursuant to Section 12(b) of the Act:**

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol(s)** | **Name of each exchange on which registered** |
| Common Stock, $0.001 par value per share | KALV | The Nasdaq Global Market |

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Securities registered pursuant to Section 12(g) of the Act: **None**

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. YES ☐ NO ☒

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. YES ☐ NO ☒

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. YES ☒ NO ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). YES ☒ NO ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.

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| | | | |
|:---|:---|:---|:---|
| Large accelerated filer  | ☐ | Accelerated filer | ☐ |
| Non-accelerated filer  | ☒ | Smaller reporting company  | ☒ |
|  |  | Emerging growth company | ☐ |

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If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. ☐

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. ☐

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to §240.10D-1(b). ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). YES ☐ NO ☒

The aggregate market value of the voting and non-voting common stock held by non-affiliates of the registrant, based on the closing price of the registrant's common stock on The Nasdaq Global Market on June 30, 2025, was approximately $498,815,772.

The number of shares of the registrant's common stock outstanding as of March 18, 2026 was 51,222,487.

DOCUMENTS INCORPORATED BY REFERENCE

Information required in response to Part III of Form 10-KT is hereby incorporated by reference to portions of the registrant's Proxy Statement for the Annual Meeting of Stockholders to be held in 2026. The Proxy Statement will be filed by the registrant with the Securities and Exchange Commission no later than 120 days after the end of the registrant's fiscal year ended December 31, 2025.

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**Table of Contents**

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| | | |
|:---|:---|:---|
|  |  | **Page** |
| [**<u>PART I</u>**](#part_i) | [**<u>PART I</u>**](#part_i) |  |
| &nbsp;&nbsp;Item 1. | [<u>Business</u>](#item_1_business) | 4 |
| &nbsp;&nbsp;Item 1A. | [<u>Risk Factors</u>](#item_1a) | 19 |
| &nbsp;&nbsp;Item 1B. | [<u>Unresolved Staff Comments</u>](#item_1b_unresolved_staff_comments) | 50 |
| &nbsp;&nbsp;Item 1C. | [<u>Cybersecurity</u>](#cybersecurity) | 50 |
| &nbsp;&nbsp;Item 2. | [<u>Properties</u>](#item_2_properties) | 51 |
| &nbsp;&nbsp;Item 3. | [<u>Legal Proceedings</u>](#item_3_legal_proceedings) | 51 |
| &nbsp;&nbsp;Item 4. | [<u>Mine Safety Disclosures</u>](#item_4_mine_safety_disclosures) | 51 |
| [**<u>PART II</u>**](#part_ii) | [**<u>PART II</u>**](#part_ii) |  |
| &nbsp;&nbsp;Item 5. | [<u>Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities</u>](#item_5_market_for_registrants_common_equ) | 52 |
| &nbsp;&nbsp;Item 6. | [<u>Reserved</u>](#reserved) | 52 |
| &nbsp;&nbsp;Item 7. | [<u>Management's Discussion and Analysis of Financial Condition and Results of Operations</u>](#item_7_managements_discussion_analysis_f) | 53 |
| &nbsp;&nbsp;Item 7A. | [<u>Quantitative and Qualitative Disclosures About Market Risk</u>](#item_7a_quantitative_qualitative_disclos) | 61 |
| &nbsp;&nbsp;Item 8. | [<u>Financial Statements and Supplementary Data</u>](#item_8_financial_statements_supplementar) | 61 |
| &nbsp;&nbsp;Item 9. | [<u>Changes in and Disagreements With Accountants on Accounting and Financial Disclosure</u>](#item_9_changes_in_disagreements_with_acc) | 61 |
| &nbsp;&nbsp;Item 9A. | [<u>Controls and Procedures</u>](#item_9a_controls_procedures) | 61 |
| &nbsp;&nbsp;Item 9B. | [<u>Other Information</u>](#item_9b_or_information) | 62 |
| &nbsp;&nbsp;Item 9C. | [<u>Disclosure Regarding Foreign Jurisdictions that Prevent Inspections</u>](#item_9c_foreign_jurisdictions) | 62 |
| [**<u>PART III</u>**](#part_iii) | [**<u>PART III</u>**](#part_iii) |  |
| &nbsp;&nbsp;Item 10. | [<u>Directors, Executive Officers and Corporate Governance</u>](#item_10_directors_executive_ficers_corpo) | 63 |
| &nbsp;&nbsp;Item 11. | [<u>Executive Compensation</u>](#item_11_executive_compensation) | 63 |
| &nbsp;&nbsp;Item 12. | [<u>Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters</u>](#item_12_security_ownership_certain_benef) | 63 |
| &nbsp;&nbsp;Item 13. | [<u>Certain Relationships and Related Transactions, and Director Independence</u>](#item_13_certain_relationships_related_tr) | 63 |
| &nbsp;&nbsp;Item 14. | [<u>Principal Accountant Fees and Services</u>](#item_14_principal_accounting_fees_servic) | 63 |
| [**<u>PART IV</u>**](#part_iv) | [**<u>PART IV</u>**](#part_iv) |  |
| &nbsp;&nbsp;Item 15. | [<u>Exhibits and Financial Statement Schedules</u>](#item_15_exhibits_financial_statement_sch) | 64 |
| &nbsp;&nbsp;Item 16. | [<u>Form 10-K Summary</u>](#item_16_form_10k_summary) | 66 |
|  | [<u>Signatures</u>](#signatures) | 67 |
|  | [<u>Index to Consolidated Financial Statements</u>](#index_to_consolidated_financial_statemen) | F-1 |

---

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**PART I**

**EXPLANATORY NOTE**

As previously disclosed, on March 13, 2025, the Board of Directors of KalVista Pharmaceuticals, Inc. approved a change to our fiscal year end from April 30 to December 31 of each calendar year, effective for the 2026 fiscal year. We filed all required periodic reports under Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act") and pursuant to Rule 15d-10(e)(2) of the Exchange Act, including the Form 10-Q for the period ended July 31, 2025, the Form 10-Q for the period ended September 30, 2025, and this Transition Report on Form 10-KT for the eight-month transition period of May 1, 2025 through December 31, 2025. We will file quarterly reports based on the new fiscal year beginning with the quarter ending March 31, 2026, pursuant to Rule 15d-10(e)(2) of the Exchange Act.

**SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS**

This Transition Report on Form 10-KT contains forward-looking statements. All statements other than statements of historical fact are "forward-looking statements" for purposes of this Transition Report on Form 10-KT. These forward-looking statements may include, but are not limited to, statements regarding our current and future nonclinical, preclinical and clinical development activities, macroeconomic conditions, including rising inflation and fluctuating interest rates, labor shortages, supply chain issues, uncertainty with respect to the federal debt ceiling and budget and potential government shutdowns related thereto and global regional conflicts, our future results of operations and financial position, business strategy, market size, potential growth opportunities, the efficacy and safety profile of our product candidates, expected timing and results of our clinical trials, receipt and timing of potential regulatory designations, and approval and commercialization of product candidates. In some cases, forward-looking statements may be identified by terminology such as "believe," "may," "will," "should," "predict," "goal," "strategy," "potentially," "estimate," "continue," "anticipate," "intend," "could," "would," "project," "plan," "expect," "seek" and similar expressions and variations thereof. We have based these forward-looking statements largely on our current expectations and projections about future events and trends that we believe may affect our financial condition, results of operations, business strategy, short-term and long-term business operations and objectives and financial needs. These forward-looking statements are subject to a number of risks, uncertainties and assumptions, including those described in the "Risk Factors" section and elsewhere in this Transition Report on Form 10-KT. Moreover, we operate in a very competitive and rapidly changing environment, and new risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light of these risks, uncertainties and assumptions, the forward-looking events and circumstances discussed in this report may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements.

You should not rely upon forward-looking statements as predictions of future events. Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee that the future results, levels of activity, performance or events and circumstances reflected in the forward-looking statements will be achieved or occur. We undertake no obligation to update publicly any forward-looking statements for any reason after the date of this report to conform these statements to actual results or to changes in our expectations, except as required by law.

As used in this Transition Report on Form 10-KT, the terms "KalVista," the "Company," "we," "us," and "our" refer to KalVista Pharmaceuticals, Inc. and, where appropriate, its consolidated subsidiaries, unless the context indicates otherwise.

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**Item 1. Business.**

**Company Overview**

We are a global pharmaceutical company dedicated to delivering life-changing oral therapies for individuals affected by rare diseases with significant unmet needs. On July 3, 2025, we received approval from the U.S. Food and Drug Administration (the "FDA") for our lead product candidate, EKTERLY<sup>®</sup> (sebetralstat), for the treatment of acute attacks of hereditary angioedema ("HAE") in adults and adolescents aged 12 years and older. EKTERLY is the first and only oral on-demand therapy for HAE. Following FDA approval, EKTERLY received marketing authorization from the European Medicines Agency ("EMA"), the U.K.'s Medicines and Healthcare products Regulatory Agency ("MHRA"), the Swiss Agency for Therapeutic Products ("Swissmedic"), Japan's Ministry of Health, Labour and Welfare ("MHLW") as well as regulatory agencies in Australia and Singapore (collectively, the "Current Global Approvals"). We currently market EKTERLY in the U.S. and Germany and have established commercialization partnerships for Japan, Canada, Brazil, Argentina, Colombia, and Mexico. We are incorporated in the State of Delaware and headquartered in Framingham, Massachusetts.

**Our Strategy**

We are committed to developing innovative therapies that address unmet needs for patients with rare diseases. The key elements of our strategy include:

***Position EKTERLY to become the foundational therapy for HAE.*** We launched EKTERLY in July 2025 following FDA approval for the treatment of acute attacks of HAE in patients 12 years and older. Supported by robust clinical data from more than 2,700 treated attacks across a wide range of anatomical locations and all levels of severity, EKTERLY is indicated for use at the earliest recognition of an attack. By combining the efficacy of injectable treatments with the convenience of an oral pill, EKTERLY eliminates the challenges associated with injectable administration and enables early treatment of all attacks, regardless of location or severity. As the first and only oral on-demand treatment for HAE, EKTERLY has the potential to redefine how HAE is managed. Through ongoing engagement with patients and healthcare providers, we expect to drive broad awareness and adoption of EKTERLY to create sustained and long-lasting demand.

***Expand global access to sebetralstat through focused commercialization strategies and partnerships.*** Outside the U.S., we intend to commercialize sebetralstat through a combination of internal commercial capabilities in key European markets and strategic partnerships in other geographies, subject to regulatory approval. We have established a European commercial leadership team in Zug, Switzerland, supported by focused personnel in priority countries, and continue to explore partnership opportunities to enable broad access across Europe. Beyond Europe, we have entered into licensing agreements to commercialize sebetralstat in Japan, Canada and select countries in Latin America and will continue to seek additional international partners.

***Drive long-term growth through strategic portfolio expansion.*** We seek to selectively and strategically develop, acquire, or in-license additional assets that will add value to our portfolio. Our management team brings decades of experience advancing product candidates and building new markets across rare diseases. We believe our proven execution capabilities, deep domain expertise, and financial discipline position us for continued innovation and growth.

![img101774848_0.jpg](img101774848_0.jpg)

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**EKTERLY (sebetralstat)**

EKTERLY, the first and only oral on-demand therapy for HAE, was discovered and developed by KalVista as a fast-acting potent inhibitor of plasma kallikrein, a serine protease enzyme that is a key mediator of inflammation and edema. EKTERLY is formulated as a film-coated tablet for oral administration, with high bioavailability and selectivity for plasma kallikrein, enabling maximal dosing and a rapid decline in edema effectors that cause swelling during an HAE attack.

*Hereditary angioedema (HAE)*

HAE is a rare, potentially life-threatening genetic disorder characterized by recurrent episodes of severe swelling affecting various locations of the body, including the abdomen, extremities, face, and airway. It occurs in approximately 1 in 35,000 to 1 in 50,000 people. During an HAE attack, excessive plasma kallikrein activation leads to intense swelling in the skin, gastrointestinal tract or airways. HAE attacks can vary with regard to the affected tissue or organ and severity and often lead to temporary disfiguration of various body parts including the hands, feet, face, body trunk, and genitals. In addition, patients can experience bouts of excruciating abdominal pain, nausea and vomiting due to intestinal wall swelling. Airway swelling is particularly dangerous and can lead to death by asphyxiation. Untreated attacks can be functionally disabling and commonly take days to fully resolve.

Attacks can occur spontaneously, although they are often associated with triggers such as anxiety, stress, minor trauma, surgery, or illnesses. Trauma to the oral cavity caused by dental procedures makes HAE patients particularly vulnerable to airway attacks. The frequency of HAE attacks is highly variable, ranging from multiple attacks per week to one per year—however, data from studies and clinical trials suggest untreated patients average two attacks per month. Although life-threatening airway swelling is rare, published research suggests at least half of HAE patients have experienced one or more such attack and airway attacks remain a major potential cause of mortality in HAE patients. HAE attack severity is unpredictable and not related to underlying attack frequency, and most patients on long-term prophylaxis continue to experience breakthrough attacks.

HAE is an autosomal dominant disease occurring at similar rates in males and females with the gene defect passed along to children. The most common cause of HAE is a defect or mutation in the gene responsible for the production of C1-INH, a plasma-based protein that acts as an inhibitor of multiple serine proteases in both the complement and kallikrein-kinin systems. While HAE most often results from the inheritance of a defective C1-INH gene, a portion of HAE patients result from spontaneous mutations in C1-INH or have normal C1-INH and suffer from HAE due to other causes. Selective plasma kallikrein inhibitors and bradykinin receptor antagonists are approved to both treat and prevent HAE attacks.

*Market opportunity*

The treatable HAE population in the U.S. is estimated to be 9,000 people, with approximately 70% of patients taking prophylactic therapy and approximately 95% receiving a prescription for on-demand therapy. Virtually all people living with HAE receive an on-demand prescription because even patients using prophylaxis generally continue to experience breakthrough attacks and require effective on-demand treatment to manage acute episodes. Over the last several years in the U.S., dispensed units of on-demand medication have remained stable, averaging approximately 84,000 doses annually despite the introduction of several novel HAE prophylaxis therapies.

The continued need for on-demand therapy to treat breakthrough attacks for patients on prophylaxis therapies has been extensively studied. Evidence suggests patients on prophylaxis therapy suffer breakthrough attacks when the prophylactic therapy insufficiently suppresses the kallikrein-bradykinin pathway as a result of the prophylactic dosing interval, exposure to known triggers such as stress, infection, trauma, hormonal changes or medical procedures, or individual patient response to therapy. As a result, clinical guidelines for HAE, including those from the World Allergy Organization, the U.S. Hereditary Angioedema Association, the International Steering Committee, the Taskforce and the Hereditary Angioedema Working Group, and other committees, recommend early treatment of attacks and emphasize that every patient should maintain ready access to at least two doses of effective on-demand therapy, regardless of prophylactic use. As breakthrough attacks may occur despite preventive treatment, guidelines position on-demand therapy as an essential component of the standard of care for all patients with HAE.

Prior to the approval of EKTERLY, all on-demand treatment options for HAE required intravenous or subcutaneous administration, which carries a significant treatment burden. Studies have demonstrated that the burden of treatment associated with intravenous or subcutaneously administered on-demand therapies results in some patients delaying treatment or choosing not to treat an attack. The burden of treatment associated with injectable on-demand therapies is particularly challenging for adolescents, who report waiting 7.7 hours on average to treat an attack. Evidence, and the basis for the clinical guidelines recommending early treatment, show that early treatment of an HAE attack has a powerful impact on efficacy outcomes.

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We believe that a safe and effective oral on-demand therapy has the potential to transform management of HAE, enabling rapid administration and early treatment of attacks. Furthermore, by removing the physical and psychological burdens associated with injectable treatments, we believe patients would be more likely to treat a higher number of attacks than they have historically.

*Clinical Development*

Our registrational KONFIDENT clinical trial evaluated the efficacy and safety of EKTERLY as on-demand treatment for HAE. KONFIDENT was the largest and most representative trial ever conducted in HAE, including adolescents, patients using long-term prophylaxis, and patients experiencing attacks of all severities and locations, including laryngeal attacks. Participants in the KONFIDENT clinical trial were allowed to continue receiving sebetralstat in an open-label extension study, KONFIDENT-S. In June 2024, we initiated KONFIDENT-KID, to evaluate an orally disintegrating tablet ("ODT") formulation of sebetralstat for pediatric use in children ages 2-11.

On July 3, 2025, the FDA approved EKTERLY (sebetralstat) for the treatment of acute attacks of HAE in patients aged 12 years and older. Subsequently, the U.K.'s MHRA approved EKTERLY in July 2025; Swissmedic approved EKTERLY in September 2025; Australia's Therapeutic Goods Administration approved EKTERLY in October 2025; Singapore's Health Sciences Authority approved EKTERLY in November 2025; and, in December 2025, we received approval from the MHLW in Japan.

Sebetralstat has received orphan drug designation from the FDA, orphan drug designation from Japan's MHLW, orphan drug designation and an approved Pediatric Investigational Plan from the EMA, and orphan drug status in Switzerland. The U.K. MHRA has also awarded the Innovation Passport to sebetralstat.

**KONFIDENT**

The efficacy and safety of EKTERLY was established by the results from the phase 3 KONFIDENT clinical trial, published in the *New England Journal of Medicine* in May 2024. KONFIDENT was the largest and most representative trial ever conducted in HAE, enrolling a total of 136 patients from 66 clinical sites across 20 countries. Eligible participants included adults and adolescents 12 years of age or older, with or without using long-term prophylaxis, and with all attack severities and locations.

KONFIDENT met all primary and key secondary endpoints and demonstrated a favorable safety profile. HAE attacks treated with both 300 mg and 600 mg of sebetralstat achieved the primary endpoint of beginning of symptom relief significantly faster than placebo (p<0.0001 for 300 mg, p=0.0013 for 600 mg). The median time to beginning of symptom relief was 1.61 hours with sebetralstat 300 mg (CI 1.28, 2.27), 1.79 hours with sebetralstat 600 mg (CI 1.33, 2.27) and 6.72 hours with placebo (CI 2.33, >12).

All clinical trials have demonstrated sebetralstat to be well-tolerated, with a safety profile similar to placebo. In KONFIDENT, there were no patient withdrawals due to adverse events and no treatment-related serious adverse events (SAEs) observed. Treatment-related adverse event rates were 2.3% for 300 mg sebetralstat, 2.2% for 600 mg sebetralstat, and 4.8% for placebo.

Based on data from KONFIDENT, together with evidence from pharmacokinetic/pharmacodynamic studies, the FDA determined the 600 mg dose of EKTERLY to be the optimal dose in the approved labeling. Our Current Global Approvals cover a 300 mg dose of EKTERLY.

**KONFIDENT-KID**

In March 2025, we announced completion of enrollment of KONFIDENT-KID, an open-label pediatric clinical trial using sebetralstat ODT. The trial is collecting safety, pharmacokinetic and efficacy data for up to one year from patients aged two to 11 years old. In November 2025, we provided interim results for 65 attacks in 26 participants showing sebetralstat ODT was well tolerated, demonstrated rapid symptom relief, reduction in attack severity and, in some cases, complete attack resolution. If approved, sebetralstat ODT would be the first oral therapy for HAE patients aged two to 11 years old and only the second FDA-approved on-demand HAE therapy of any type in this population. We anticipate filing a New Drug Application ("NDA") in support of the ODT formulation in the third quarter of 2026.

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**KONFIDENT-S**

In August 2022, we initiated an open-label extension study of KONFIDENT, known as KONFIDENT-S, to evaluate the long-term safety of sebetralstat and evaluate an ODT formulation in adolescent and adult participants. We have announced several updates from KONFIDENT-S, including data demonstrating high patient satisfaction with sebetralstat, efficacy in patients on various HAE prophylactic therapies, and a decreasing trend in the use of a second dose of sebetralstat over time. All safety data from KONFIDENT-S is consistent with KONFIDENT and continues to demonstrate sebetralstat is well-tolerated with no treatment-related serious adverse events. Based on the efficacy, safety and patient satisfaction of the film-coated tablet formulation of sebetralstat, we determined not to pursue commercialization of the ODT formulation for adults and adolescents 12 years of age or older. We intend to continue the KONFIDENT-S open-label extension study until its completion and will be using data associated with this study in support of any regulatory submissions.

**FACTOR XIIa**

After completing a strategic review of our preclinical oral Factor XIIa inhibitor program, we have decided not to continue internally developing an oral Factor XIIa inhibitor product candidate and are seeking partners to continue development of the program.

**Royalty Financing**

In November 2024, we, as guarantor, and KalVista Pharmaceuticals Limited, our wholly owned subsidiary (the "Subsidiary"), entered into a Purchase and Sale Agreement (the "PSA") with DRI Healthcare Acquisitions LP , an affiliate of DRI Healthcare Trust, later replaced with DRI UK LP ("DRI"), pursuant to which the Subsidiary sold to DRI the right to receive payments from the Subsidiary at a tiered percentage of future worldwide net sales of sebetralstat in exchange for an upfront payment of $100.0 million. Pursuant to the PSA, because sebetralstat was approved prior to October 1, 2025, the Subsidiary had the option to receive a one-time payment of $22.0 million, which it exercised in July 2025. As a result of receiving this one-time payment from DRI, the royalty rate on the first sales tranche of net sales up to and including $500.0 million was increased from 5.00% to 6.00% and the sales-based milestone amount payable if annual worldwide net sales of EKTERLY meet or exceed $550.0 million in any calendar year before January 1, 2031 was increased from $50.0 million to $57.0 million. See Note 14, *Purchase and Sale Agreement*, of the financial statements included in this Transition Report on Form 10-KT for additional details regarding the PSA.

**Commercial Operations**

Following FDA approval of EKTERLY in July 2025, we began active promotional and other commercial operations in the U.S. In addition, following the E.U.'s approval of EKTERLY in September 2025, we began active promotional and other commercial operations in Germany. We believe that there are significant market opportunities for sebetralstat outside of the U.S. In order to capitalize on such opportunities, we have built and expect to continue to build a commercial operations infrastructure, including marketing infrastructure, market access capabilities, and a sales field force, where appropriate, and/or to otherwise seek collaborations with other companies.

**License, Supply and Distribution Agreement**

***Kaken Agreement***

In April 2025, we entered into a License, Supply and Distribution Agreement (the "Kaken Agreement") with Kaken Pharmaceutical Co., Ltd. ("Kaken"), pursuant to which we have licensed exclusive commercialization rights in Japan to Kaken for sebetralstat (the "Licensed Product") in exchange for a non-refundable upfront payment of $11.0 million, potential regulatory and sales milestone payments totaling approximately $13.0 million, and effective royalty payments in the mid-twenties that shall be payable for each unit of Licensed Product, which will reflect a percentage of the Japanese National Health Insurance price of the Licensed Product.

We are responsible for obtaining and maintaining all regulatory approvals, performing regulatory submissions for the Licensed Product in Japan and supplying the Licensed Product to Kaken. We retain manufacturing rights for the Licensed Product and are responsible for our own costs associated with the performance of activities under the Kaken Agreement. Kaken received an exclusive license to commercialize the Licensed Products in Japan, including the right to ship, store, and distribute the Licensed Product for such commercialization during the term of the Kaken Agreement. Refer to Note 15, *License, Supply and Distribution Agreement,* for further information.

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**Competition**

The development and commercialization of new drug products is highly competitive. We face competition with respect to our current product and product candidates and will face competition with respect to any product candidates that we may seek to develop or commercialize in the future, from major pharmaceutical companies, specialty pharmaceutical companies and biotechnology companies worldwide. There are a number of large pharmaceutical and biotechnology companies that currently market and sell products or are pursuing the development of products for the treatment of the disease indications for which we are marketing our product and developing our product candidates. Some of these competitive products and therapies are based on scientific approaches that are the same as or similar to our approach, and others are based on entirely different approaches.

In treating HAE, we face competition from several FDA-approved therapeutics for both prophylactic and on-demand usage. All current on-demand therapies are delivered either intravenously or by subcutaneous injection. Approved therapies include TAKHZYRO<sup>®</sup>, marketed by Takeda Pharmaceuticals Company Limited ("Takeda") in the U.S. and Europe for the prevention of angioedema attacks in adults and adolescents; FIRAZYR<sup>®</sup>, marketed by Takeda in the U.S., Europe and certain other geographic territories for the on-demand treatment of angioedema attacks in adult patients; KALBITOR<sup>®</sup>, an injectable plasma kallikrein inhibitor marketed by Takeda for the on-demand treatment of attacks in adolescent and adult HAE patients; CINRYZE<sup>®</sup>, marketed by Takeda as a prophylaxis treatment for the prevention of HAE attacks in children (6 years of age and older), teenagers and adults; BERINERT<sup>®</sup>, marketed by CSL Behring for on-demand treatment of abdominal, facial or laryngeal attacks of HAE in adults and adolescents; HAEGARDA<sup>®</sup>, also marketed by CSL Behring, for prophylaxis; RUCONEST<sup>®</sup>, marketed by Pharming Group for the on-demand treatment of angioedema attacks in adult patients; ORLADEYO<sup>®</sup>, an oral prophylactic treatment marketed by BioCryst Pharmaceuticals, Inc.; ANDEMBRY<sup>®</sup>, marketed by CSL Behring, for prophylaxis; and DAWNZERA<sup>™</sup>, marketed by Ionis Pharmaceuticals, Inc., for prophylaxis, which the FDA approved on August 21, 2025. FIRAZYR became available as a generic drug in 2019 and is sold by multiple companies as generic icatibant for on-demand usage. We are also aware of other companies that are engaged in the clinical development of potential HAE treatments, including Pharvaris GmbH, Intellia Therapeutics, Inc., ADARx Pharmaceuticals, Inc., and Argo Biopharmaceutical Co., Ltd.

**Intellectual Property**

Our success substantially depends on our ability to obtain and maintain patents and other forms of intellectual property rights for our products and product candidates, methods used to manufacture our product candidates and methods for treating patients using our products and product candidates, as well as our ability to preserve our trade secrets, to prevent third parties from infringing upon our proprietary rights and to operate without infringing upon the proprietary rights of others. Our patent portfolio includes patents and patent applications covering plasma kallikrein inhibitors (the "plasma kallikrein portfolio"), and patent applications covering FXIIa inhibitors (the "FXIIa portfolio").

In the plasma kallikrein portfolio, as of December 31, 2025, we are the owner of, and intend to maintain, eight U.S. patents expiring between 2035 and 2039, absent any extensions, as well as seven pending U.S. patent applications. Any patents issuing from the foregoing U.S. patent applications are expected to expire between 2035 and 2045, absent any adjustments or extensions. In the plasma kallikrein portfolio, as of December 31, 2025, we are the owner of, and intend to maintain, approximately 45 pending foreign applications and approximately 398 patents in foreign jurisdictions. Any issued foreign patents or patents issuing from these foreign patent applications are expected to expire between 2035 and 2045, absent any adjustments or extensions. In the plasma kallikrein portfolio, as of December 31, 2025, we also are the owner of four pending international applications that, if issued, are expected to expire between 2044 and 2045, absent any adjustments or extensions.

Sebetralstat is a novel, oral plasma kallikrein inhibitor, and is covered by U.S. patents, U.S. patent applications, U.S. provisional applications, and pending international applications, covering composition of matter, methods of treatment, solid form and clinical formulations. The anticipated expiration dates of these patents, patents arising from those applications, or patents arising from applications claiming priority from provisional applications range from 2035 to 2045, absent any adjustments or extensions. Sebetralstat is also covered by European Patent Office patents, European patent applications, and expected European patent applications claiming priority from U.S. provisional applications, covering composition of matter, medical use, and solid form formulations. The anticipated expiration dates of these European patents, European patents arising from applications, or European patents arising from applications claiming priority from U.S. provisional applications range from 2035 to 2045, absent any adjustments or extensions.

In the FXIIa portfolio, as of December 31, 2025, we are the owner of seven pending U.S. patent applications and approximately nine pending foreign applications in multiple jurisdictions. Any patents issuing from the foregoing applications in the FXIIa portfolio are expected to expire between 2039 and 2045, absent any adjustments or extensions.

Patents extend for varying periods according to the date of patent filing or grant and the legal term of patents in various countries where patent protection is obtained. The actual protection afforded by a patent, which can vary from country to country, depends on the type of patent, the scope of its coverage and the availability of legal remedies in the country.

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We market or intend to market our products and services under various trademarks, and have obtained or are in the process of obtaining registered trademark protection for those trademarks in the U.S. and certain countries outside the U.S. We consider these trademarks to be valuable because of their contribution to the brand identification of our current and future products and services and for protection against counterfeits.

As of December 31, 2025, we are the owner of trademark registrations and applications for (1) "EKTERLY", "KALVISTA" and separately for the K Design in the U.S., E.U. member states via an E.U Trade Mark (a unitary right covering all twenty-seven member states of the E.U.), Japan, as well as twenty additional jurisdictions, and (2) the katakana transliteration of "KALVISTA" (カルビスタ) in Japan.

We also use other forms of protection, such as copyright and trade secret protection for our intellectual property, particularly where we do not believe patent protection is appropriate or obtainable. We require our employees, consultants, contractors and other advisors to execute nondisclosure and assignment of invention agreements upon commencement of their respective employment or engagement. In addition, we also require confidentiality or service agreements from third parties that receive confidential information or materials.

**Government Regulation and Product Approval**

Government authorities in the U.S., at the federal, state and local level, and in other countries and jurisdictions, extensively regulate, among other things, the research, development, testing, manufacture, quality control, approval, packaging, storage, recordkeeping, labeling, advertising, promotion, distribution, marketing, post-approval monitoring and reporting, and import and export of pharmaceutical products. The processes for obtaining regulatory approvals in the U.S. and in foreign countries and jurisdictions, along with subsequent compliance with applicable statutes and regulations and other regulatory authorities, require the expenditure of substantial time and financial resources.

***FDA Approval Process***

In the U.S., pharmaceutical products are subject to extensive regulation by the FDA. The Federal Food, Drug, and Cosmetic Act (the "FDC Act") and other federal and state statutes and regulations, govern, among other things, the research, development, testing, manufacture, storage, recordkeeping, approval, labeling, promotion and marketing, distribution, post-approval monitoring and reporting, sampling, and import and export of pharmaceutical products. Failure to comply with applicable U.S. requirements may subject a company to a variety of administrative or judicial sanctions, such as clinical hold, FDA refusal to approve pending NDAs, warning or untitled letters, product recalls, product seizures, total or partial suspension of production or distribution, injunctions, fines, civil penalties, and criminal prosecution.

Pharmaceutical product development for a new product or certain changes to an approved product in the U.S. typically involves nonclinical laboratory and animal tests, the submission to the FDA of an investigational new drug application ("IND"), which must become effective before clinical testing may commence, and adequate and well-controlled clinical trials to establish the safety and effectiveness of the drug for each indication for which FDA approval is sought. Satisfaction of FDA pre-market approval requirements typically takes many years and the actual time required may vary substantially based upon the type, complexity, and novelty of the product or disease.

A 30-day waiting period after the submission of each IND is required prior to the commencement of clinical testing in humans. If the FDA has neither commented on nor questioned the IND within this 30-day period, the clinical trial proposed in the IND may begin. Clinical trials involve the administration of the investigational drug to healthy volunteers or patients under the supervision of a qualified investigator. Clinical trials must be conducted: (i) in compliance with federal regulations; (ii) in compliance with Good Clinical Practice ("GCP") an international standard meant to protect the rights and health of patients and to define the roles of clinical trial sponsors, administrators, and monitors; and (iii) under protocols detailing the objectives of the trial and the criteria to be evaluated. Each protocol involving testing on U.S. healthy volunteers or patients and subsequent protocol amendments must be submitted to the FDA as part of the IND.

The FDA may order the temporary or permanent discontinuation of a clinical trial at any time, or impose other sanctions if it believes that the clinical trial either is not being conducted in accordance with FDA regulations or presents an unacceptable risk to the clinical trial patients. Imposition of a clinical hold may be full or partial. The study protocol and informed consent information for patients in clinical trials must also be submitted to an institutional review board ("IRB") for approval. The IRB will also monitor the clinical trial until completed. An IRB may also require the clinical trial at the site to be halted, either temporarily or permanently, for failure to comply with the IRB's requirements, or may impose other conditions.

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Clinical trials to support NDAs for regulatory approval are typically conducted in three sequential phases, but the phases may overlap. In Phase 1, the initial introduction of the drug into healthy volunteers or patients, the product is tested to assess safety, dosage tolerance, metabolism, pharmacokinetics, pharmacological actions, side effects associated with drug exposure, and to obtain early evidence of a treatment effect if possible. Phase 2 usually involves trials in a limited patient population to determine the effectiveness of the drug for a particular indication, determine optimal dose and regimen, and to identify common adverse effects and safety risks. If a drug demonstrates evidence of effectiveness and an acceptable safety profile in Phase 2 evaluations, Phase 3 trials are undertaken to obtain additional information about clinical effects and confirm efficacy and safety in a larger number of patients, typically at geographically dispersed clinical trial sites, to permit the FDA to evaluate the overall benefit-risk relationship of the drug and to provide adequate information for the labeling of the product. In most cases, the FDA requires two adequate and well-controlled Phase 3 clinical trials to demonstrate the safety and efficacy of the drug. In rare instances, a single Phase 3 trial may be sufficient when either (1) the trial is a large, multicenter trial demonstrating internal consistency and a statistically very persuasive finding of a clinically meaningful effect on mortality, irreversible morbidity or prevention of a disease with a potentially serious outcome and confirmation of the result in a second trial would be practically or ethically impossible or (2) the single trial is supported by confirmatory evidence.

In addition, the manufacturer of an investigational drug in a Phase 2 or Phase 3 clinical trial for a serious or life-threatening disease is required to make available, such as by posting on its website, its policy on evaluating and responding to requests for expanded access to such investigational drug.

After completion of the required clinical testing, an NDA is prepared and submitted to the FDA. FDA approval of the NDA is required before marketing and distribution of the product may begin in the U.S. The NDA must include the results of all nonclinical, clinical, and other testing and a compilation of data relating to the product's pharmacology, chemistry, manufacture, and controls. The cost of preparing and submitting an NDA is substantial. The submission of most NDAs is additionally subject to a substantial application user fee unless a waiver applies. Under an approved NDA, the applicant is also subject to an annual program fee. These fees typically increase annually. An NDA for a drug that has been designated as an orphan drug is not subject to an application fee, unless the NDA includes an indication for other than a rare disease or condition. The FDA has 60 days from its receipt of an NDA to determine whether the application will be filed based on the FDA's determination that it is sufficiently complete to permit substantive review. Once the submission is filed, the FDA begins an in-depth review. The FDA has agreed to certain performance goals under the Prescription Drug User Fee Act ("PDUFA") to complete the review of NDAs. Applications for new molecular entities ("NMEs") that are designated for a Standard Review have a PDUFA goal date of ten months after the date the FDA files the NDA; applications for NMEs that are designated for a Priority Review have a PDUFA goal date of six months after the date the FDA files the NDA. An NDA can be designated for Priority Review when the FDA determines the drug has the potential to treat a serious or life-threatening condition and, if approved, would be a significant improvement in safety or effectiveness compared to available therapies. The review process for both standard and priority reviews may be extended by the FDA for three additional months to consider information deemed by the FDA to constitute a major amendment to the NDA. FDA may not always meet its performance goals under PDUFA.

The FDA may also refer applications for novel drugs, as well as drugs that present difficult questions of safety or efficacy, to be reviewed by an advisory committee—typically a panel that includes clinicians, statisticians and other experts—for review, evaluation and a recommendation as to whether the NDA should be approved. The FDA is not bound by the recommendation of an advisory committee, but generally follows such recommendations.

Before approving an NDA, the FDA will typically inspect one or more clinical sites to assure compliance with GCP. Additionally, the FDA will inspect the facility or the facilities at which the drug is manufactured. The FDA will not approve the product unless compliance with current Good Manufacturing Practices ("cGMP") is satisfactory and the NDA contains data that provide evidence that the drug is safe and effective in the indication studied.

After the FDA evaluates the NDA and completes any clinical and manufacturing site inspections, it issues either an approval letter or a complete response letter. A complete response letter generally outlines the deficiencies in the NDA submission and may require substantial additional testing, or information, in order for the FDA to reconsider the application for approval. If, or when, those deficiencies have been addressed to the FDA's satisfaction in a resubmission of the NDA, the FDA will issue an approval letter. The FDA has committed to goals of reviewing such resubmissions in two or six months depending on the type of information included. An approval letter authorizes commercial marketing and distribution of the drug with specific prescribing information for specific indications. A drug may be subject to postmarketing requirements, which are nonclinical studies or clinical trials that are required as a condition of approval, or postmarketing commitments, which are nonclinical studies or clinical trials that the sponsor agrees to conduct. In addition, as a condition of NDA approval, the FDA may require a risk evaluation and mitigation strategy ("REMS") to help ensure that the benefits of the drug outweigh the potential risks to patients. A REMS can include medication guides, communication plans for healthcare professionals, and elements to assure a product's safe use ("ETASU"). An ETASU can include, but is not limited to, special training or certification for prescribing or dispensing the product, dispensing the product only under certain circumstances, special monitoring, and the use of patient-specific registries. The requirement for a REMS can materially affect the potential market and profitability of the product. Moreover, the FDA may require substantial post-approval testing and surveillance to monitor the product's safety or efficacy.

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Once granted, product approvals may be withdrawn if compliance with regulatory standards is not maintained or problems are identified following initial marketing. Changes to some of the conditions established in an approved NDA, including changes in indications, product labeling, or manufacturing processes or facilities, require submission and FDA approval of a new NDA or supplement to an approved NDA, before the change can be implemented. An NDA supplement for a new indication typically requires clinical data similar to that in the original application, and the FDA uses the same procedures and actions in reviewing NDA supplements as it does in reviewing original NDAs.

***Orphan Drug Designation***

Under the Orphan Drug Act, the FDA may grant orphan drug designation to drugs intended to treat a rare disease or condition — generally a disease or condition that affects fewer than 200,000 individuals in the U.S., or if it affects more than 200,000 individuals in the U.S., there is no reasonable expectation that the cost of developing, and making a product available in the U.S. for such disease or condition will be recovered from sales of the product.

Orphan drug designation must be requested before submitting an NDA. After the FDA grants orphan drug designation, the identity of the drug and its potential orphan disease use are disclosed publicly by the FDA. Orphan drug designation does not convey any advantage in, or shorten the duration of, the regulatory review and approval process. The first NDA applicant to receive FDA approval for a particular active moiety to treat a particular disease with FDA orphan drug designation is entitled to a seven-year exclusive marketing period in the U.S. for that product in the approved indication.

During the seven-year marketing exclusivity period, the FDA may not approve any other applications to market the same drug for the same disease, except in limited circumstances, such as a showing of clinical superiority to the product with orphan drug exclusivity. A product can be considered clinically superior if it is safer, more effective or makes a major contribution to patient care. Orphan drug exclusivity does not prevent the FDA from approving a different drug for the same disease or condition, or the same drug for a different disease or condition. Among the other benefits of orphan drug designation are tax credits for certain research and a waiver of the NDA user fee.

***Fast Track Designation and Priority Review***

FDA is required to facilitate the development, and expedite the review, of drugs that are intended for the treatment of a serious or life-threatening disease or condition for which there is no effective treatment and which demonstrate the potential to address unmet medical needs for the condition. Fast track designation may be granted for products that are intended to treat a serious or life-threatening disease or condition for which there is no effective treatment and preclinical or clinical data demonstrate the potential to address unmet medical needs for the condition. Fast track designation applies to both the product and the specific indication for which it is being studied. Any product submitted to FDA for marketing, including under a fast track program, may be eligible for other types of FDA programs intended to expedite development and review, such as priority review.

Priority review may be granted for products that are intended to treat a serious or life-threatening condition and, if approved, would provide a significant improvement in safety and effectiveness compared to available therapies. FDA will attempt to direct additional resources to the evaluation of an application designated for priority review in an effort to facilitate the review.

***Disclosure of Clinical Trial Information***

Sponsors of clinical trials of FDA-regulated products, including drugs, are required to register and disclose certain clinical trial information on the website www.clinicaltrials.gov. Information related to the product, patient population, phase of investigation, trial sites and investigators, and other aspects of a clinical trial are then made public as part of the registration. Sponsors are also obligated to disclose the results of their clinical trials after completion. Disclosure of the results of clinical trials can be delayed in certain circumstances for up to two years after the date of completion of the trial. Competitors may use this publicly available information to gain knowledge regarding the progress of clinical development programs as well as clinical trial design.

***Pediatric Information***

Under the Pediatric Research Equity Act ("PREA"), NDAs, or supplements to NDAs must contain data to assess the safety and effectiveness of the drug for the claimed indications in all relevant pediatric subpopulations and to support dosing and administration for each pediatric subpopulation for which the drug is safe and effective. The FDA may grant full or partial waivers, or deferrals, for submission of data. Unless otherwise required by regulation, PREA does not apply to any drug with orphan product designation.

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The Best Pharmaceuticals for Children Act ("BPCA"), provides a six-month extension of any patent or non-patent exclusivity for a drug if certain conditions are met. Conditions for exclusivity include the FDA's determination that information relating to the use of a new drug in the pediatric population may produce health benefits in that population, FDA making a written request for pediatric studies, and the applicant agreeing to perform, and reporting on, the requested studies within the statutory timeframe. Applications under the BPCA are treated as priority applications, with all of the benefits that designation confers.

***Post-Approval Requirements***

Once an NDA is approved, a product will be subject to certain post-approval requirements. For instance, the FDA closely regulates the post-approval marketing and promotion of drugs, including direct-to-consumer advertising, off-label promotion, industry-sponsored scientific and educational activities and promotional activities involving the Internet. Drugs may be marketed only for the approved indications and in accordance with the provisions of the approved labeling. The FDA and other agencies actively enforce the laws and regulations prohibiting the promotion of off-label uses, and a company that is found to have improperly promoted off-label uses may be subject to significant liability, including investigation by federal and state authorities.

Adverse event reporting and submission of periodic safety summary reports is required following FDA approval of an NDA. The FDA also may require nonclinical or clinical postmarketing requirements, REMS, or surveillance to monitor the effects of an approved product, or the FDA may place conditions on an approval that could restrict the distribution or use of the product. Sponsors may also agree to conduct nonclinical or clinical postmarketing commitments after approval. In addition, quality control, drug manufacture, packaging, and labeling procedures must continue to conform to cGMPs after approval. Drug manufacturers and certain of their subcontractors are required to register their establishments with the FDA and certain state agencies. Registration with the FDA subjects entities to periodic unannounced inspections by the FDA, during which the agency inspects a drug's manufacturing facilities to assess compliance with cGMPs. Accordingly, manufacturers must continue to expend time, money, and effort in the areas of production and quality-control to maintain compliance with cGMPs. Regulatory authorities may withdraw product approvals or request product recalls if a company fails to comply with required regulatory standards, if it encounters problems following initial marketing, or if previously unrecognized problems are subsequently discovered.

***The Hatch-Waxman Amendments***

*Orange Book Listing*

Under the Drug Price Competition and Patent Term Restoration Act of 1984, commonly referred to as the Hatch Waxman Amendments, NDA applicants are required to identify to FDA each patent whose claims cover the applicant's drug or approved method of using the drug. Upon approval of a drug, the applicant must update its listing of patents to the NDA in timely fashion and each of the patents listed in the application for the drug is then published in the FDA's Approved Drug Products with Therapeutic Equivalence Evaluations, commonly known as the Orange Book.

Drugs listed in the Orange Book can, in turn, be cited by potential generic competitors in support of approval of an abbreviated new drug application ("ANDA"). An ANDA provides for marketing of a drug product that has the same active ingredient(s), strength, route of administration, and dosage form as the listed drug and has been shown through bioequivalence testing to be therapeutically equivalent to the listed drug. An approved ANDA product is considered to be therapeutically equivalent to the listed drug. Other than the requirement for bioequivalence testing, ANDA applicants are not required to conduct, or submit results of, preclinical or clinical tests to prove the safety or effectiveness of their drug product. Drugs approved under the ANDA pathway are commonly referred to as "generic equivalents" to the listed drug and can often be substituted by pharmacists under prescriptions written for the original listed drug pursuant to each state's laws on drug substitution.

The ANDA applicant is required to certify to the FDA concerning any patents identified for the reference listed drug in the Orange Book. Specifically, the applicant must certify to each patent in one of the following ways: (i) the required patent information has not been filed; (ii) the listed patent has expired; (iii) the listed patent has not expired but will expire on a particular date and approval is sought after patent expiration; or (iv) the listed patent is invalid or will not be infringed by the new product. A certification that the new product will not infringe the already approved product's listed patents, or that such patents are invalid, is called a Paragraph IV certification. For patents listed that claim an approved method of use, under certain circumstances the ANDA applicant may also elect to submit a section viii statement certifying that its proposed ANDA label does not contain (or carves out) any language regarding the patented method-of-use rather than certify to a listed method-of-use patent. If the applicant does not challenge the listed patents through a Paragraph IV certification, the ANDA application will not be approved until all the listed patents claiming the referenced product have expired. If the ANDA applicant has provided a Paragraph IV certification to the FDA, the applicant must also send notice of the Paragraph IV certification to the NDA-holder and patentee(s) once the ANDA has been accepted for filing by the FDA (referred to as the "notice letter"). The NDA and patent holders may then initiate a patent infringement lawsuit in response to the notice letter. The filing of a patent infringement lawsuit within 45 days of the receipt of a Paragraph IV certification automatically prevents the FDA from approving

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the ANDA until the earlier of 30 months from the date the notice letter is received, expiration of the patent, the date of a settlement order or consent decree signed and entered by the court stating that the patent that is the subject of the certification is invalid or not infringed, or a decision in the patent case that is favorable to the ANDA applicant.

The ANDA application also will not be approved until any applicable non-patent exclusivity listed in the Orange Book for the referenced product has expired. In some instances, an ANDA applicant may receive approval prior to expiration of certain non-patent exclusivity if the applicant seeks, and FDA permits, the omission of such exclusivity-protected information from the ANDA prescribing information.

*Exclusivity*

Upon NDA approval of a new chemical entity ("NCE") which is a drug that contains no active moiety that has been approved by FDA in any other NDA, that drug receives five years of marketing exclusivity during which FDA cannot receive any ANDA seeking approval of a generic version of that drug unless the application contains a Paragraph IV certification, in which case the application may be submitted one year prior to expiration of the NCE exclusivity. If there is no listed patent in the Orange Book, there may not be a Paragraph IV certification, and, thus, no ANDA for a generic version of the drug may be filed before the expiration of the exclusivity period.

Certain changes to an approved drug, such as the approval of a new indication, the approval of a new strength, and the approval of a new condition of use, are associated with a three-year period of exclusivity from the date of approval during which FDA cannot approve an ANDA for a generic drug that includes the change. In some instances, an ANDA applicant may receive approval prior to expiration of the three-year exclusivity if the applicant seeks, and FDA permits, the omission of such exclusivity-protected information from the ANDA package insert. Orphan designation may extend the period of exclusivity.

*Patent Term Extension*

The Hatch Waxman Amendments permit a patent term extension as compensation for patent term lost during the FDA regulatory review process. Patent term extension, however, cannot extend the remaining term of a patent beyond a total of 14 years from the product's approval date. After NDA approval, owners of relevant drug patents may apply for the extension. The allowable patent term extension is calculated as half of the drug's testing phase (the time between IND and NDA submission) and all of the review phase (the time between NDA submission and approval) up to a maximum of five years. The time can be reduced for any time FDA determines that the applicant did not pursue approval with due diligence.

The U.S. Patent and Trademark Office (the "USPTO") in consultation with the FDA, reviews and approves the application for any patent term extension or restoration. However, the USPTO may not grant an extension because of, for example, failing to exercise due diligence during the testing phase or regulatory review process, failing to apply within applicable deadlines, failing to apply prior to expiration of relevant patents or otherwise failing to satisfy applicable requirements. Moreover, the applicable time period or the scope of patent protection afforded could be less than requested.

The total patent term after the extension may not exceed 14 years, and only one patent can be extended. The application for the extension must be submitted prior to the expiration of the patent, and for patents that might expire during the application phase, the patent owner may request an interim patent extension. An interim patent extension increases the patent term by one year and may be renewed up to four times. For each interim patent extension granted, the post-approval patent extension is reduced by one year. The director of the USPTO must determine that approval of the drug covered by the patent for which a patent extension is being sought is likely. Interim patent extensions are not available for a drug for which an NDA has not been submitted.

***Other U.S. Healthcare Laws and Compliance Requirements***

In the U.S., pharmaceutical and biotechnology company activities are potentially subject to regulation by various federal, state and local authorities in addition to the FDA, including but not limited to, the Centers for Medicare & Medicaid Services ("CMS") other divisions of the U.S. Department of Health and Human Services ("HHS") (e.g., the Office of Inspector General and the Office for Civil Rights), the U.S. Department of Justice ("DOJ") and individual U.S. Attorney offices within the DOJ, and state and local governments. For example, sales, marketing and scientific/educational grant programs, may have to comply with the anti-fraud and abuse provisions of the Social Security Act, the federal false claims laws, the privacy and security provisions of the Health Insurance Portability and Accountability Act ("HIPAA") and similar state laws, each as amended, as applicable.

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The federal Anti-Kickback Statute prohibits, among other things, any person or entity, from knowingly and willfully offering, paying, soliciting or receiving any remuneration, directly or indirectly, overtly or covertly, in cash or in kind, to induce or in return for purchasing, leasing, ordering, recommending or arranging for the purchase, lease or order of any item or service reimbursable under Medicare, Medicaid or other federally funded healthcare programs. The term remuneration has been interpreted broadly to include anything of value. The Anti-Kickback Statute has been interpreted to apply to arrangements between pharmaceutical manufacturers on one hand and prescribers, purchasers, and/or formulary managers on the other. There are a number of statutory exceptions and regulatory safe harbors protecting some common activities from prosecution. The exceptions and safe harbors are drawn narrowly and practices that involve remuneration that may be alleged to be intended to induce prescribing, purchasing or recommending may be subject to scrutiny if they do not qualify for an exception or safe harbor. Failure to meet all of the requirements of a particular applicable statutory exception or regulatory safe harbor does not make the conduct per se illegal under the Anti-Kickback Statute. Instead, the legality of the arrangement will be evaluated on a case-by-case basis based on a cumulative review of all of its facts and circumstances. Practices may not in all cases meet all of the criteria for protection under a statutory exception or regulatory safe harbor. In addition, the statutory exceptions and regulatory safe harbors are subject to change.

Additionally, the intent standard under the Anti-Kickback Statute was amended by the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act of 2010 (collectively the "ACA") to a stricter standard such that a person or entity no longer needs to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation. In addition, the ACA codified case law that a claim including items or services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the federal False Claims Act (discussed below).

The civil monetary penalties statute imposes penalties against any person or entity who, among other things, is determined to have presented or caused to be presented a claim to a federal health program that the person knows or should know is for an item or service that was not provided as claimed or is false or fraudulent.

Federal civil and criminal false claims laws, including the federal civil False Claims Act, prohibit, among other things, any person or entity from knowingly presenting, or causing to be presented, a false claim for payment to, or approval by, the federal government or knowingly making, using, or causing to be made or used a false record or statement material to a false or fraudulent claim to the federal government. As a result of a modification made by the Fraud Enforcement and Recovery Act of 2009, a claim includes "any request or demand" for money or property presented to the U.S. government. In addition, manufacturers can be held liable under the civil False Claims Act even when they do not submit claims directly to government payors if they are deemed to "cause" the submission of false or fraudulent claims. Pharmaceutical and other healthcare companies have been prosecuted under these laws for, among other things, allegedly providing free product to customers with the expectation that the customers would bill federal programs for the product. Other companies have been prosecuted for causing false claims to be submitted because of the companies' marketing of the product for unapproved, and thus generally non-reimbursable, uses and purportedly concealing price concessions in the pricing information submitted to the government for government price reporting purposes.

HIPAA created additional federal criminal statutes that prohibit knowingly and willfully executing, or attempting to execute, a scheme to defraud or to obtain, by means of false or fraudulent pretenses, representations or promises, any money or property owned by, or under the control or custody of, any healthcare benefit program, including private third-party payors and knowingly and willfully falsifying, concealing or covering up by trick, scheme or device, a material fact or making any materially false, fictitious or fraudulent statement in connection with the delivery of or payment for healthcare benefits, items or services. Similar to the Anti-Kickback Statute, a person or entity does not need to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation.

Also, many states have similar fraud and abuse statutes or regulations that apply to items and services reimbursed under Medicaid and other state programs, or, in several states, apply regardless of the payor.

Data privacy and security regulations by both the federal government and the states in which business is conducted may also be applicable. HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act ("HITECH"), and its implementing regulations, imposes requirements relating to the privacy, security and transmission of individually identifiable health information. HIPAA requires covered entities to limit the use and disclosure of protected health information to specifically authorized situations, and requires covered entities to implement security measures to protect health information that they maintain in electronic form. Among other things, HITECH made HIPAA's security standards directly applicable to business associates, independent contractors or agents of covered entities that receive or obtain protected health information in connection with providing a service on behalf of a covered entity. HITECH also created four new tiers of civil monetary penalties, amended HIPAA to make civil and criminal penalties directly applicable to business associates, and gave state attorneys general new authority to file civil actions for damages or injunctions in federal courts to enforce the federal HIPAA laws and seek attorneys' fees and costs associated with pursuing federal civil actions. In addition, state laws govern the privacy and security of health information in specified circumstances, many of which differ from each other in significant ways and may not have the same effect, thus complicating compliance efforts.

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Additionally, the federal Physician Payments Sunshine Act within the ACA, and its implementing regulations, require that certain manufacturers of covered drugs, devices, biologics and medical supplies for which payment is available under Medicare, Medicaid or the Children's Health Insurance Program (with certain exceptions) report annually to the CMS information related to certain payments or other transfers of value made or distributed to physicians (defined to include doctors, dentists, optometrists, podiatrists and chiropractors), physician assistants, certain advance practices nurses and teaching hospitals and to report annually certain ownership and investment interests held by physicians and their immediate family members. The reported data is made available in searchable form on a public website on an annual basis. Failure to submit required information may result in civil monetary penalties.

Commercial distribution of products requires compliance with state laws that require the registration of manufacturers and wholesale distributors of drugs in a state, including, in certain states, manufacturers and distributors who ship products into the state even if such manufacturers or distributors have no place of business within the state. Some states also impose requirements on manufacturers and distributors to establish the pedigree of product in the chain of distribution, including some states that require manufacturers and others to adopt new technology capable of tracking and tracing product as it moves through the distribution chain. In addition, several states have enacted legislation requiring pharmaceutical and biotechnology companies to establish marketing compliance programs, file periodic reports with the state, make periodic public disclosures on sales, marketing, pricing, clinical trials and other activities, and/or register their sales representatives, as well as to prohibit pharmacies and other healthcare entities from providing certain physician prescribing data to pharmaceutical and biotechnology companies for use in sales and marketing, and to prohibit certain other sales and marketing practices. Certain local jurisdictions also require drug manufacturers to report information related to payments and other transfers of value to physicians and other healthcare providers or marketing expenditures. Sales and marketing activities are also potentially subject to federal and state consumer protection and unfair competition laws.

Violation of any of the federal and state healthcare laws described above or any other governmental regulations may result in penalties, including without limitation, significant civil, criminal and/or administrative penalties, damages, fines, disgorgement, exclusion from participation in government programs, such as Medicare and Medicaid, imprisonment, injunctions, private "qui tam" actions brought by individual whistleblowers in the name of the government, refusal to enter into government contracts, oversight monitoring, contractual damages, reputational harm, administrative burdens, diminished profits and future earnings.

***Coverage, pricing and reimbursement***

Significant uncertainty exists as to the coverage and reimbursement status of any product candidates for which we obtain regulatory approval. In the U.S. and markets in other countries, sales of any products for which we receive regulatory approval for commercial sale will depend, in part, on the extent to which third-party payors provide coverage, and establish adequate reimbursement levels for such products. In the U.S., third-party payors include federal and state healthcare programs, private managed care providers, health insurers and other organizations. The process for determining whether a third-party payor will provide coverage for a product may be separate from the process for setting the price of a product or for establishing the reimbursement rate that such a payor will pay for the product. Third-party payors may limit coverage to specific products on an approved list, also known as a formulary, which might not include all of the FDA-approved products for a particular indication. Third-party payors are increasingly challenging the price, examining the medical necessity and reviewing the cost-effectiveness of medical products, therapies and services, in addition to questioning their safety and efficacy. We may need to conduct expensive pharmacoeconomic studies in order to demonstrate the medical necessity and cost-effectiveness of our products, in addition to the costs required to obtain the FDA approvals. Our product candidates may not be considered medically necessary or cost-effective. A payor's decision to provide coverage for a product does not imply that an adequate reimbursement rate will be approved. Further, one payor's determination to provide coverage for a product does not assure that other payors will also provide coverage for the product, as there is no uniform policy of coverage and reimbursement for drug products among third-party payors in the U.S. Adequate third-party reimbursement may not be available to enable us to maintain price levels sufficient to realize an appropriate return on our investment in product development.

Different pricing and reimbursement schemes exist in other countries. In the E.U., governments influence the price of pharmaceutical products through their pricing and reimbursement rules and control of national health care systems that fund a large part of the cost of those products to consumers. Some jurisdictions operate positive and negative list systems under which products may only be marketed once a reimbursement price has been agreed. To obtain reimbursement or pricing approval, some of these countries may require the completion of clinical trials that compare the cost effectiveness of a particular product candidate to currently available therapies. Other member states allow companies to fix their own prices for medicines but monitor and control company profits. The downward pressure on health care costs has become intense. As a result, increasingly high barriers are being erected to the entry of new products. In addition, in some countries, cross-border imports from low-priced markets exert a commercial pressure on pricing within a country.

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The marketability of any product candidates for which we receive regulatory approval for commercial sale may suffer if the government and third-party payors fail to provide adequate coverage and reimbursement. In addition, emphasis on managed care in the U.S. has increased and we expect will continue to increase the pressure on healthcare pricing. Coverage policies and third-party reimbursement rates may change at any time. Even if favorable coverage and reimbursement status is attained for one or more products for which we receive regulatory approval, less favorable coverage policies and reimbursement rates may be implemented in the future.

***U.S. Healthcare reform***

Healthcare reforms that have been adopted, and that may be adopted in the future, could result in further reductions in coverage and levels of reimbursement for pharmaceutical products, increases in rebates payable under U.S. government rebate programs and additional downward pressure on pharmaceutical product prices.

Several healthcare reform proposals culminated in the enactment of the Inflation Reduction Act ("IRA") in August 2022, which, among other things, allows HHS to directly negotiate the selling price of a statutorily specified number of drugs and biologics each year that CMS reimburses under Medicare Part B and Part D. The negotiated price may not exceed a statutory ceiling price. Only high-expenditure single-source drugs that have been approved for at least seven years (11 years for biologics) are eligible to be selected by CMS for negotiation, with the negotiated price taking effect two years after the selection year. For 2026, the first year in which negotiated prices become effective, CMS selected 10 high-cost Medicare Part D products in 2023, negotiations began in 2024, and the negotiated maximum fair price for each product has been announced. CMS has selected 15 additional Medicare Part D drugs for negotiated maximum fair pricing in 2027. For 2028, an additional 15 drugs, which may be covered under either Medicare Part B or Part D, will be selected, and for 2029 and subsequent years, 20 Part B or Part D drugs will be selected. A drug or biological product that has an orphan drug designation for only one rare disease or condition will be excluded from the IRA's price negotiation requirements, but will lose that exclusion if it receives designations for more than one rare disease or condition, or if it is approved for an indication that is not within that single designated rare disease or condition, unless such additional designation or such disqualifying approvals are withdrawn by the time CMS evaluates the drug for selection for negotiation. The IRA also imposes rebates on Medicare Part B and Part D drugs whose prices have increased at a rate greater than the rate of inflation, and in November 2024, CMS finalized regulations for these inflation rebates. The IRA permits the Secretary of HHS to implement many of these provisions through guidance, as opposed to regulation, for the initial years. Manufacturers that fail to comply with the IRA may be subject to various penalties, including civil monetary penalties. These provisions have been and may continue to be subject to legal challenges. For example, the provisions related to the negotiation of selling prices of high-expenditure single-source drugs and biologics have been challenged in multiple lawsuits brought by pharmaceutical manufacturers. Thus, while it is unclear how the IRA will be implemented, it will likely have a significant impact on the pharmaceutical industry and the pricing of prescription drug products.

At the state level, legislatures have increasingly passed legislation and implemented regulations designed to control pharmaceutical product pricing, including price or patient reimbursement constraints, discounts, restrictions on certain product access, and marketing cost disclosure and transparency measures, and in some cases, designed to encourage importation from other countries and bulk purchasing.

***The Foreign Corrupt Practices Act***

The Foreign Corrupt Practices Act ("FCPA") prohibits any U.S. individual or business from paying, offering, or authorizing payment or offering of anything of value, directly or indirectly, to any foreign official, political party or candidate for the purpose of influencing any act or decision of the foreign entity in order to assist the individual or business in obtaining or retaining business. The FCPA also obligates companies whose securities are listed in the U.S. to comply with accounting provisions requiring us to maintain books and records that accurately and fairly reflect all transactions of the corporation, including international subsidiaries, and to devise and maintain an adequate system of internal accounting controls for international operations.

***Additional regulation***

In addition to the foregoing, state and federal laws regarding environmental protection and hazardous substances, including the Occupational Safety and Health Act, the Resource Conservancy and Recovery Act and the Toxic Substances Control Act, affect our business. These and other laws govern the use, handling and disposal of various biological, chemical and radioactive substances used in, and wastes generated by, our operations. If our operations result in contamination of the environment or expose individuals to hazardous substances, we could be liable for damages and governmental fines. We believe that we are in material compliance with applicable environmental laws and that continued compliance therewith will not have a material adverse effect on our business. We cannot predict, however, how changes in these laws may affect our future operations.

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***Europe / rest of world government regulation***

In addition to U.S. regulations, we are subject to a variety of regulations in other jurisdictions governing, among other things, clinical trials and any commercial sales and distribution of our products. Whether or not we obtain FDA approval of a product, we must obtain the requisite approvals from regulatory authorities in foreign countries prior to the commencement of clinical trials or marketing of the product in those countries. Certain countries outside of the U.S. have a similar process that requires the submission of a clinical trial application much like the IND prior to the commencement of human clinical trials. In the E.U., for example, a clinical trial application must be submitted to each country's national health authority and an independent ethics committee, much like the FDA and IRB, respectively. Once the clinical trial application is approved in accordance with a country's requirements, clinical trial development may proceed. The requirements and process governing the conduct of clinical trials, product licensing, pricing and reimbursement vary from country to country in the E.U. In all cases, the clinical trials are conducted in accordance with GCP and the applicable regulatory requirements and the ethical principles that have their origin in the Declaration of Helsinki.

To obtain regulatory approval of a drug product under E.U., U.K., and Swiss regulatory systems, we must submit a Marketing Authorisation Application. The documentation submitted to the FDA in support of an NDA in the U.S. is almost identical to that required in the E.U., U.K., and Switzerland, with the exception of, among other things, country-specific document requirements. For other countries outside of the E.U., U.K. and Switzerland, such as countries in Eastern Europe, the Middle East, Latin America or Asia, the requirements governing the conduct of clinical trials, product licensing, pricing and reimbursement vary from country to country. In all cases, again, the clinical trials are conducted in accordance with GCP and the applicable regulatory requirements and the ethical principles that have their origin in the Declaration of Helsinki.

If we or our potential collaborators fail to comply with applicable foreign regulatory requirements, we may be subject to, among other things, fines, suspension or withdrawal of regulatory approvals, product recalls, seizure of products, operating restrictions and criminal prosecution.

***Other regulations***

We are subject to numerous federal, state and local laws relating to such matters as safe working conditions, manufacturing practices, environmental protection, fire hazard control, and disposal of hazardous or potentially hazardous substances. We may incur significant costs to comply with such laws and regulations now or in the future.

**Human Capital Resources**

As of December 31, 2025, we had a total of 275 full-time employees, of whom 182 were located in the U.S., 58 were located in the U.K., and 35 were located in the rest of the world. None of our employees are represented by a labor union or covered by a collective bargaining agreement. We have not experienced any work stoppages and consider our relations with employees to be good.

**Corporate Information**

Our principal executive offices are located at 200 Crossing Boulevard, Framingham, MA 01702, and our telephone number is (857) 999-0075. Our website address is www.kalvista.com. The information contained on, or that can be accessed through, our website is not a part of this report. We have included our website address in this report solely as an inactive textual reference.

KalVista, the KalVista logo, and other registered or common law trade names, trademarks, or service marks of KalVista appearing in this Transition Report on Form 10-KT are the property of KalVista Pharmaceuticals, Inc. This Transition Report on Form 10-KT may contain additional trade names, trademarks, logos, and service marks of ours and of other companies. We do not intend our use or display of other companies' trade names, trademarks, logos, or service marks to imply a relationship with these other companies, or endorsement or sponsorship of us by these other companies. Other trademarks appearing in this Transition Report on Form 10-KT are the property of their respective holders. Solely for convenience, our trade names, trademarks, logos, and service marks referred to in this Transition Report on Form 10-KT may appear without the® and™ symbols, but those references are not intended to indicate, in any way, that we will not assert, to the fullest extent under applicable law, our rights, or the rights of the applicable licensor, to such trademarks, trade names, logos, and service marks.

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**Available Information**

We file annual, quarterly, and current reports, proxy statements, and other documents with the Securities and Exchange Commission ("SEC") under the Exchange Act, which are available on our corporate website at www.kalvista.com as soon as reasonably practicable after we electronically file such material with, or furnish it to, the SEC. Also, the SEC maintains an Internet website that contains reports, proxy and information statements, and other information regarding issuers, including us, that file electronically with the SEC. The public can obtain any documents that we file with the SEC at www.sec.gov. The information posted on or accessible through these websites are not incorporated into this filing.

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**Item 1A. Risk Factors**

**Summary of Risk Factors**

*An investment in our common stock involves various risks, and prospective investors are urged to carefully consider the matters discussed in the section titled "Risk Factors" prior to making an investment in our common stock. These risks include, but are not limited to, the following:*

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We have incurred significant losses since our inception. We expect to incur losses over the next several years and may never achieve or maintain profitability.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We may need substantial additional funding to support us through clinical development and commercial launch, and if we are unable to raise capital when needed, we could be forced to delay, reduce or eliminate our product development programs or commercialization efforts.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Raising additional capital may cause dilution to our stockholders, restrict our operations or require us to relinquish rights to our technologies or product candidates.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We are heavily dependent on the successful commercialization of EKTERLY (sebetralstat) in the U.S. and other jurisdictions, where we obtain regulatory approval, and the development, regulatory approval, and commercialization of our other product candidates.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We have not yet demonstrated an ability to successfully conduct commercial activities.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We may fail to achieve the degree of market acceptance by physicians, patients, third-party payors and others in the medical community necessary for commercial success.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•The sales, marketing, and distribution of EKTERLY (sebetralstat) or any other approved product candidates may be unsuccessful or less successful than anticipated. If we are unable to establish sales and marketing capabilities or enter into agreements with third parties to sell and market EKTERLY (sebetralstat) or any other approved product candidates on acceptable terms, we may be unable to successfully commercialize EKTERLY (sebetralstat) or other approved product candidates.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We face substantial competition, which may result in others discovering, developing or commercializing competing products before or more successfully than we do.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•If we are unable to achieve and maintain third-party payor coverage and adequate levels of reimbursement for EKTERLY (sebetralstat) or any other approved product candidates, or any future products we may seek to commercialize, their commercial success may be severely hindered.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Product liability lawsuits against us could cause us to incur substantial liabilities and to limit commercialization of any products we develop.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Our operations and relationships with healthcare providers, healthcare organizations, customers and third-party payors will be subject to applicable anti-bribery, anti-kickback, fraud and abuse, transparency and other healthcare laws and regulations, which could expose us to, among other things, enforcement actions, criminal sanctions, civil penalties, contractual damages, reputational harm, administrative burdens and diminished profits and future earnings.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Failure to obtain regulatory approval in jurisdictions outside the U.S. would prevent EKTERLY (sebetralstat) and any other approved product candidates from being marketed in those jurisdictions.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Any product candidate for which we obtain regulatory approval, including EKTERLY (sebetralstat), will be subject to extensive post-marketing regulatory requirements and could be subject to post-marketing restrictions or withdrawal from the market, and we may be subject to penalties if we fail to comply with regulatory requirements or if we experience unanticipated problems with any of our approved products.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Recently enacted and future legislation may make it more difficult and costly for us to obtain regulatory approval of and commercialize our product candidates and affect the prices we may obtain, including as a result of strict price controls imposed by foreign governments.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We could become subject to fines, penalties or other costs if we fail to comply with environmental, health and safety laws and regulations or our employees engage in misconduct or other improper activities.

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We contract with third parties for the manufacture of EKTERLY (sebetralstat) and our other product candidates for preclinical and clinical testing and we expect to continue to do so for commercialization. This reliance on third parties increases the risk that we will not have sufficient quantities of our product candidates or products at an acceptable cost and quality, which could delay, prevent or impair our development or commercialization efforts.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We may not successfully engage in strategic transactions, including any additional collaborations we see, which could adversely affect our ability to develop and commercialize product candidates, impact our cash position, increase our expenses and present significant distractions to our management.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We have entered, and may in the future seek to enter, into collaborations with third parties for the development and commercialization of sebetralstat or our other product candidates. If we fail to enter into such collaborations, or such collaborations are not successful, we may not be able to capitalize on the market potential of sebetralstat or our other product candidates.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•If we are unable to obtain and maintain intellectual property protection for our technology and products or if the scope of the intellectual property protection obtained is not sufficiently broad, our competitors could develop and commercialize technology and products similar or identical to ours, and our ability to successfully commercialize our technology and products may be impaired. We may be forced to defend our intellectual property rights, which could be expensive, time consuming and unsuccessful.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Our future success depends on our ability to retain key executives and to attract, retain and motivate qualified personnel.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We may encounter difficulties in managing our growth, which could disrupt our operations.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Business disruptions, including natural or man-made disasters, as well as systems failures and cyberattacks could harm our business.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Our failure to comply with privacy and data security laws, regulations and standards could harm our business.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Our stock price is volatile and our stockholders may not be able to resell shares of our common stock at or above the price they paid.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We incur significant costs as a public company, including as a result of our compliance with Section 404 of the Sarbanes-Oxley Act of 2002 ("Section 404"), and could be subject to significant sanctions or penalties if we fail to comply.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Shareholder activism could cause material disruption to our business.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Provisions in our charter documents and under Delaware law could discourage a takeover that stockholders may consider favorable and may lead to entrenchment of management.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Indemnification claims by our directors and officers may reduce our available funds.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Our ability to use our net operating losses to offset future taxable income, if any, may be subject to certain limitations. Changes in tax laws or tax rulings could also materially affect our financial position, results of operations and cash flows.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Unstable or unfavorable global market and economic conditions may have adverse consequences on our business, financial condition and stock price.

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**Risk Factors**

*Investing in our common stock involves a high degree of risk. You should consider carefully the risks and uncertainties described below, together with all of the other information in this Transition Report on Form 10-KT, including the consolidated financial statements, the notes thereto and the section entitled "Management's Discussion and Analysis of Financial Condition and Results of Operations" included elsewhere in this Transition Report on Form 10-KT before deciding whether to invest in shares of our common stock. The risks and uncertainties described below are not the only ones we face. Additional risks and uncertainties that we are unaware of or that we deem immaterial may also become important factors that adversely affect our business. If any of the following risks actually occur, our business, financial condition, results of operations and future prospects could be materially and adversely affected. In that event, the market price of our stock could decline, and you could lose part or all of your investment.*

**Risks Related to Our Business**

***We have incurred significant losses since our inception. We expect to incur losses over the next several years and may never achieve or maintain profitability.***

Since inception, we have incurred significant operating losses as we focused on our discovery efforts and developing our product candidates. On July 3, 2025, the FDA approved our NDA for EKTERLY (sebetralstat) for the treatment of acute attacks of HAE in adult and pediatric patients aged 12 years and older. In the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024, we used net cash of $81.6 million, $152.9 million, and $89.2 million, respectively, in our operating activities. As of December 31, 2025, our cash and cash equivalents were $229.3 million. We expect our expenses to continue, particularly as we continue commercializing EKTERLY (sebetralstat) in countries where it has received approval, continue existing clinical trials and initiate new research and preclinical development efforts. If we obtain regulatory approval of EKTERLY (sebetralstat) in additional jurisdictions or for other indications, or approval for our other product candidates, we expect we will incur additional significant commercialization expenses related to product sales, marketing, manufacturing and distribution to the extent that such sales, marketing, manufacturing and distribution are not the responsibility of a collaborator. We are devoting substantial resources to the commercial infrastructure for EKTERLY (sebetralstat) and have not yet achieved profitability. We are also devoting substantial resources to the development of our other product candidates. Because of the numerous risks and uncertainties associated with the commercialization of EKTERLY (sebetralstat) and development of our other product candidates, and because the extent to which we may enter into additional collaborations with third parties for any of these activities is unknown, we are unable to estimate the amounts of increased capital outlays and operating expenses associated with the research, development and commercialization. We anticipate that our expenses will increase substantially if and as we:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•establish a commercial infrastructure to support the commercialization of EKTERLY (sebetralstat) and any other product candidates for which we receive regulatory approval, including product sales, medical affairs, marketing, manufacturing and distribution;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•continue the commercial launch of EKTERLY (sebetralstat) for the treatment of HAE in adult and pediatric patients aged 12 years and older;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•continue clinical development of sebetralstat in other indications as well as the current product candidates in our pipeline;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•seek to identify additional product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•acquire or in-license other products and technologies or enter into collaboration arrangements with regards to product discovery;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•initiate clinical trials for additional product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•seek regulatory approvals for our product candidates that successfully complete clinical trials;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•maintain, expand and protect our intellectual property portfolio;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•add operational, financial and management information systems and personnel, including personnel to support our product development and planned future commercialization efforts; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•continue to incur increased costs as a result of operating as a public company.

To become and remain profitable, we must develop and commercialize EKTERLY (sebetralstat) or other products with significant market potential. This will require us to be successful in a range of challenging activities, including completing preclinical studies and clinical trials of our product candidates, obtaining regulatory approval for these product candidates and manufacturing, marketing and selling those products for which we may obtain regulatory approval, such as EKTERLY (sebetralstat). Even if we succeed in these activities, we may never generate revenues that are significant or large enough to achieve profitability. If we do achieve

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profitability, we may not be able to sustain or increase profitability on a quarterly or annual basis. Our failure to become and remain profitable would decrease the value of our business and could impair our ability to raise capital, maintain our discovery and preclinical development efforts, expand our business or continue our operations and may require us to raise additional capital that may dilute the ownership interest of common stockholders. A decline in the value of our business could also cause stockholders to lose all or part of their investment.

***We may need substantial additional funding to support us through clinical development and commercial launch, and if we are unable to raise capital when needed, we could be forced to delay, reduce or eliminate our product development programs or commercialization efforts.***

Developing and commercializing pharmaceutical products, including conducting preclinical studies and clinical trials and preparing for and executing a commercial launch, is a very time-consuming, expensive and uncertain process that takes years to complete. We expect our expenses to continue, particularly as we commercialize EKTERLY (sebetralstat), continue existing clinical trials and initiate new research and preclinical development efforts. In addition, as we commercialize EKTERLY (sebetralstat) in the U.S., Germany, and prepare to do the same in countries where we have obtained the Current Global Approvals, and if we obtain regulatory approval of EKTERLY (sebetralstat) in additional jurisdictions or for other indications, or approval for our other product candidates, we expect we will incur additional significant commercialization expenses related to product sales, marketing, manufacturing and distribution to the extent that such sales, marketing, manufacturing and distribution are not the responsibility of a collaborator. Furthermore, we continue to incur significant costs associated with operating as a public company.

We believe that our cash and cash equivalents as of December 31, 2025 and the cash that we anticipate generating from expected sales of EKTERLY (sebetralstat) will be sufficient to fund our projected operating expenses and capital expenditure requirements for at least the next 12 months, as well as our anticipated longer-term cash requirements and obligations. Our expectations regarding our short-term and long-term funding requirements are based on assumptions that may prove to be wrong, and we may need additional capital resources to fund our operating plans and capital expenditure requirements.

If our cash, cash equivalents, and cash generated from expected sales of EKTERLY (sebetralstat) are not sufficient to fund our planned expenditures, we will need to finance our cash needs through external sources of funds, which may include equity offerings, debt financings, collaborations, strategic alliances or licensing arrangements. We currently do not have any committed external sources of funds.

If we are unable to generate sufficient funds from expected sales of EKTERLY (sebetralstat) or raise additional funds when needed, we may be required to delay, limit, reduce or terminate our product development or future commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves.

***Raising additional capital may cause dilution to our stockholders, restrict our operations or require us to relinquish rights to our technologies or product candidates.***

Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of equity offerings and debt financings. We do not have any committed external source of funds. To the extent that we raise additional capital through the sale of equity or convertible debt securities, the ownership interest of common stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect the rights of common stockholders. Debt financing and preferred equity financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends.

We have entered into a sales agreement with TD Securities (USA) LLC, as sales agent, relating to the issuance and sale of shares of our common stock for an aggregate offering price of up to $100 million under an at-the-market offering program (the "ATM"). No shares of our common stock have been sold under the ATM as of December 31, 2025.

In addition, in September 2025, we entered into an indenture agreement with U.S. Bank Trust Company, National Association, as trustee, pursuant to which we sold $143.8 million aggregate principal amount of convertible senior notes due on October 1, 2031 (the "Notes"). The net proceeds to us, after deducting the discount and offering expenses of $4.7 million, were $139.1 million. The indenture agreement includes customary terms and covenants, including certain events of default after which the Notes may be due and payable immediately. See Note 13, *Indebtedness,* of the financial statements included in this Transition Report on Form 10-KT for additional details regarding the Notes.

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**Risks Related to the Development and Commercialization of Our Product Candidates**

***We are heavily dependent on the successful commercialization of EKTERLY (sebetralstat) in the U.S. and other jurisdictions, where we may obtain regulatory approval, and development, regulatory approval, and commercialization of our other product candidates.***

We currently have one product approved for commercial sale, EKTERLY (sebetralstat), which was approved by the U.S. FDA on July 3, 2025 for the treatment of acute attacks of HAE in adult and pediatric patients aged 12 years and older. The success of our business will primarily depend on the successful commercialization of EKTERLY (sebetralstat) in the U.S. as well as in other jurisdictions in which it receives approval, as well as the successful development, regulatory approval and commercialization of our other product candidates in one or more jurisdictions. While we have begun commercial sales in the U.S. and Germany, and anticipate launching commercial operations in Japan and potentially other territories in 2026, our ability to generate revenue and achieve profitability will depend significantly on our ability, or our current and any future collaborator's ability, to achieve a number of challenging objectives, including:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•our ability to leverage our commercial infrastructure in-house or to develop these capabilities with one or more collaborators;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•successfully educating physicians, patients, third-party payors and others in the medical community about EKTERLY (sebetralstat), and any other product candidates that receive approval;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•commercial acceptance of EKTERLY (sebetralstat), and any of our other product candidates that receive approval, by patients, the medical community and third-party payers;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•obtaining coverage and adequate reimbursement for customers and patients from government and third-party payers for EKTERLY (sebetralstat), and any other product candidates that we may seek to commercialize;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•addressing any competing therapies and technological and market developments;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•establishing and maintaining commercially viable supply and manufacturing relationships with third parties that can provide adequate, in both amount and quality, products and services to support clinical development and meet the market demand for EKTERLY (sebetralstat), and any of our other product candidates that receive approval;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•a continued acceptable safety and efficacy profile both prior to and following any regulatory approval of EKTERLY (sebetralstat), and our other product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•satisfying any postmarketing requirements or commitments to applicable regulatory authorities;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•identifying, assessing and developing new product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•establishing and maintaining relationships with contract research organizations ("CROs") and clinical sites for the clinical development, both in the U.S. and internationally, of our product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•successful and timely completion of preclinical and clinical development of our product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•timely receipt of regulatory approvals from applicable regulatory authorities for our product candidates for which we successfully complete clinical development;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•obtaining, maintaining and expanding patent protection, trade secret protection and regulatory exclusivity, both in the U.S. and internationally;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•protecting our rights in our intellectual property portfolio;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•defending against third-party interference or infringement claims, if any;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•obtaining favorable terms in any collaboration, licensing or other arrangements that may be necessary or desirable to develop, manufacture or commercialize our existing or acquired product candidates; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•attracting, hiring and retaining qualified personnel.

Further, we do not have experience commercializing products. We may never be successful in achieving our objectives and, even if we do, may never generate significant revenue that is large enough to achieve profitability. If we do achieve profitability, we may not be able to sustain or increase profitability on a quarterly or annual basis and we will continue to incur substantial research and development and other expenditures to develop and market additional product candidates. In addition, as a young business, we may encounter unforeseen expenses, difficulties, complications, delays and other known and unknown challenges. Our failure to become and remain profitable would decrease the value of our company and could impair our ability to maintain or further our research and development efforts, raise additional necessary capital, grow our business, retain key employees and continue our operations.

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***We obtained regulatory approval from the FDA for EKTERLY (sebetralstat), but have not yet demonstrated an ability to successfully conduct commercial activities.***

We received FDA approval for EKTERLY (sebetralstat) for the treatment of acute attacks of HAE in adult and pediatric patients aged 12 years and older on July 3, 2025. Prior to obtaining this approval, our operations were limited to financing and staffing our company, developing our technology, conducting preclinical research and clinical trials of our product candidates and preparing for a commercial launch. We have not received regulatory approval or commercialized any other product candidates to date and may never do so. We have not yet demonstrated an ability to conduct sales and marketing activities necessary for successful product commercialization. Accordingly, our stockholders should consider our prospects in light of the costs, uncertainties, delays and difficulties frequently encountered by biopharmaceutical companies such as ours. Any predictions made about our future success or viability may not be as accurate as they could be if we had a longer operating history or a history of successfully developing and commercializing pharmaceutical products.

We may encounter unforeseen expenses, difficulties, complications, delays and other known or unknown factors in achieving our business objectives. We will need to continue to transition from a company with a development focus to a company capable of supporting commercial activities. We may not be successful in such a transition. We expect our financial condition and operating results to continue to fluctuate significantly from quarter to quarter and year to year.

***We may fail to achieve the degree of market acceptance by physicians, patients, third-party payors and others in the medical community necessary for commercial success of EKTERLY (sebetralstat).***

We received FDA approval for EKTERLY (sebetralstat) for the treatment of acute attacks of HAE in adult and pediatric patients aged 12 years and older in the U.S. on July 3, 2025. Nonetheless, we may fail to gain sufficient market acceptance by physicians, patients, third-party payors and others in the medical community necessary for commercial success of EKTERLY (sebetralstat) in the U.S., any other jurisdictions that grant regulatory approval of sebetralstat for the treatment of HAE or any other product candidates. In addition, physicians, patients and third-party payors may prefer other products to ours. If sebetralstat and any other product candidates approved for commercial sale do not achieve an adequate level of acceptance, we may not generate significant product revenues and we may not become profitable. The degree of market acceptance of sebetralstat and any other product candidates approved for commercial sale, will depend on a number of factors, including:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the efficacy and safety and potential advantages and disadvantages compared to alternative treatments;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the ability to offer our products for sale at competitive prices;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the convenience and ease of administration compared to alternative treatments;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the willingness of the target patient population to try new therapies and of physicians to prescribe these therapies;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the clinical indications for which the product is approved;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•changes in the standard of care for the targeted indications for the product;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the strength of our marketing and distribution support;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the price at which the product is offered for sale and the availability of third-party coverage and adequate reimbursement, including patient cost-sharing programs such as copays and deductibles;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the approval of other new products for the same indications;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the timing of market introduction of our approved products as well as competitive products;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•adverse publicity about the product or favorable publicity about competitive products;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the ability to develop or partner with third-party collaborators to develop companion diagnostics;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•with respect to any future product candidates, FDA-approved labeling which may include restrictive safety and efficacy data, or may not include aspects of safety and efficacy that we believe are important;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the prevalence and severity of any side effects; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•any restrictions on the use of our products together with other medications.

The development and commercialization of new drug products is highly competitive. We may not be able to successfully convince physicians or patients to switch from existing or new treatments to EKTERLY (sebetralstat) for the treatment of HAE. In treating HAE, we expect to face competition from several FDA-approved therapeutics for both prophylactic and on-demand usage. All

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current on-demand therapies are delivered either intravenously or by subcutaneous injection. Approved therapies include TAKHZYRO, FIRAZYR, KALBITOR, CINRYZE, BERINERT, HAEGARDA, RUCONEST, ORLADEYO, ANDEMBRY, and DAWNZERA. FIRAZYR became available as a generic drug in 2019 and is sold by multiple companies as generic icatibant for on-demand usage. We are also aware of other companies that are engaged in the clinical development of potential HAE treatments, including Pharvaris GmbH, Intellia Therapeutics, Inc., ADARx Pharmaceuticals, Inc., and Argo Biopharmaceutical Co., Ltd. See the risk factor titled "*We face substantial competition, which may result in others discovering, developing or commercializing competing products before or more successfully than we do*" for more information.

Our estimates of the potential market opportunities for our products and product candidates are informed by work that is not definitive and future analyses may lead to estimates that are higher or lower than these estimates than those provided at any given time, with respect to addressable patient populations. If our market opportunity is lower than anticipated, our business may suffer.

***The sales, marketing, and distribution of EKTERLY (sebetralstat) or any other product candidates, if approved, may be unsuccessful or less successful than anticipated. If we are unable to establish sales and marketing capabilities or enter into agreements with third parties to sell and market EKTERLY (sebetralstat), or any other product candidates approved for commercial sale, on acceptable terms, we may be unable to successfully commercialize EKTERLY (sebetralstat) or any other product candidates.***

We began commercializing our first product, EKTERLY (sebetralstat), in the U.S. following FDA approval in July 2025. The success of our commercialization efforts for EKTERLY (sebetralstat), and any other product candidates approved for commercial sale, is subject to the effective execution of our business plan, including, among others, the continued development of our sales, marketing, and distribution capabilities, on our own or through collaborations with third parties. We have established an internal infrastructure as well as a focused sales and distribution infrastructure to market EKTERLY (sebetralstat) in the U.S., and have completed hiring in areas to support commercialization, including sales management, sales representatives, marketing, access and reimbursement, sales support and distribution. There are significant risks involved with establishing our own sales, marketing, and distribution capabilities, including our ability to hire, retain and appropriately incentivize qualified individuals, provide adequate training to sales and marketing personnel, and effectively manage geographically dispersed sales and marketing teams to generate sufficient demand. Any failure or delay in the development of these capabilities could negatively affect the success of our commercialization efforts and business. Our commercialization of EKTERLY (sebetralstat) may not succeed, or develop as planned or anticipated, which may require us to, among other items, adjust or amend our business plan and incur significant expenses.

In addition, we have chosen to collaborate in certain instances on a territory-by-territory basis with third parties that have direct sales forces and established distribution systems to augment our own sales force and distribution systems, and have negotiated and entered into arrangements with such third parties relating to such collaborations, including the Kaken Agreement (with respect to our operations in Japan), and counterparties with respect to our operations in Canada and LATAM, which we define as Argentina, Brazil, Colombia, and Mexico.

If we are unable to enter into similar collaboration arrangements when needed, on acceptable terms, or at all, we may not be able to successfully commercialize any of our product candidates that receive regulatory approval in additional indications or jurisdictions or any such commercialization may experience delays or limitations. In addition, we may have little or no control over such third parties, and any of them may fail to devote the necessary resources and attention to sell and market our products effectively. For example, if Kaken or other third-party collaborators, are unable to meet their contractual obligations pursuant to these collaboration agreements, we may be forced to focus our efforts internally to commercialize sebetralstat in countries where we have received approval without the assistance of a commercialization partner, or seek another commercialization partner, either of which would result in us incurring greater expenses and could cause a delay in market penetration while we expand our commercial operations or seek an alternative commercialization partner. Such costs may exceed the increased revenues we would receive from direct sebetralstat sales in these countries, at least in the near term. We would also potentially be forced to declare a breach of our agreements with such third-party collaborators and seek a termination of the respective agreement which could result in an extended and uncertain dispute with the relevant counterparty, including arbitration or litigation, any of which would be costly. If we are unable to successfully commercialize our approved product candidates, either on our own or through collaborations with one or more third parties, our future product revenue will suffer and we may incur significant additional losses.

***We face substantial competition, which may result in others discovering, developing or commercializing competing products before or more successfully than we do.***

The development and commercialization of new drug products is highly competitive. We face competition with respect to EKTERLY (sebetralstat) and our other product candidates, and will face competition with respect to any product candidates that we may seek to develop or commercialize in the future, from major pharmaceutical companies, specialty pharmaceutical companies and biotechnology companies worldwide. There are a number of large pharmaceutical and biotechnology companies that currently market and sell products or are pursuing the development of products for the treatment of the disease indications for which EKTERLY (sebetralstat)

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has been approved and for which we are developing our other product candidates. Some of these competitive products and therapies are based on scientific approaches that are the same as or similar to our approach, and others are based on entirely different approaches.

In treating HAE, we face competition from several FDA-approved therapeutics for both prophylactic and on-demand usage. All current on-demand therapies are delivered either intravenously or by subcutaneous injection. Approved therapies include TAKHZYRO, marketed by Takeda in the U.S. and Europe for the prevention of angioedema attacks in adults and adolescents; FIRAZYR, marketed by Takeda in the U.S., Europe and certain other geographic territories for the on-demand treatment of angioedema attacks in adult patients; KALBITOR, an injectable plasma kallikrein inhibitor marketed by Takeda for the on-demand treatment of attacks in adolescent and adult HAE patients; CINRYZE, marketed by Takeda as a prophylaxis treatment for the prevention of HAE attacks in children (6 years of age and older), teenagers and adults; BERINERT, marketed by CSL Behring for on-demand treatment of abdominal, facial or laryngeal attacks of HAE in adults and adolescents; HAEGARDA, also marketed by CSL Behring, for prophylaxis; RUCONEST, marketed by Pharming Group for the on-demand treatment of angioedema attacks in adult patients; ORLADEYO, an oral prophylactic treatment marketed by BioCryst Pharmaceuticals, Inc.; ANDEMBRY, marketed by CSL Behring, for prophylaxis; and DAWNZERA, marketed by Ionis Pharmaceuticals, Inc., for prophylaxis, which the FDA approved on August 21, 2025. FIRAZYR became available as a generic drug in 2019 and is sold by multiple companies as generic icatibant for on-demand usage. We are also aware of other companies that are engaged in the clinical development of potential HAE treatments, including Pharvaris GmbH, Intellia Therapeutics, Inc., ADARx Pharmaceuticals, Inc., and Argo Biopharmaceutical Co., Ltd.

Our commercial opportunity could be reduced or eliminated if our competitors develop and commercialize products that are safer, more effective, have fewer or less severe side effects, are more convenient or are less expensive than any products that we may develop. In addition, our ability to compete may be affected in many cases by insurers or other third-party payors seeking to encourage the use of generic products. Generic products are expected to become available over the coming years, potentially creating pricing pressure. If any other product candidates achieve regulatory approval, we expect that they will be priced at a significant premium over competitive generic products.

Many of the companies against which we are competing or we may compete in the future have significantly greater financial resources and expertise in research and development, manufacturing, preclinical testing, conducting clinical trials, obtaining regulatory approvals and marketing approved products than we do. Mergers and acquisitions in the pharmaceutical and biotechnology industries may result in even more resources being concentrated among a smaller number of our competitors. Smaller and other early stage companies may also prove to be significant competitors, particularly through collaborative arrangements with large and established companies. These third parties compete with us in recruiting and retaining qualified scientific and management personnel, establishing clinical trial sites and patient registration for clinical trials, as well as in acquiring technologies complementary to, or necessary for, our programs.

***If we are unable to achieve and maintain third-party payor coverage and adequate levels of reimbursement for EKTERLY (sebetralstat) or any of our other product candidates for which we receive regulatory approval, or any future products we may seek to commercialize, their commercial success may be severely hindered.***

For EKTERLY (sebetralstat) and any of our other product candidates that receive regulatory approval and become available by prescription only, our success will depend on the availability of coverage and adequate reimbursement for our product from third-party payors. Patients who are prescribed medicine for the treatment of their conditions generally rely on third-party payors to reimburse all or part of the costs associated with their prescription drugs. The availability of coverage and adequate reimbursement from governmental healthcare programs, such as Medicare and Medicaid, and private third-party payors is critical to new product acceptance. Coverage decisions may depend upon clinical and economic standards that disfavor new drug products when more established or lower cost therapeutic alternatives are already available or subsequently become available. If EKTERLY (sebetralstat) or any of our other product candidates that receive regulatory approval fail to demonstrate attractive efficacy and safety profiles to third-party payors, they may not qualify for coverage and reimbursement. Even if we obtain coverage for a given product, the resulting reimbursement payment rates might not be adequate or may require co-payments that patients find unacceptably high. Patients are unlikely to use our prescription-only products unless coverage is provided and reimbursement is adequate to cover a significant portion of the cost. We cannot be sure that coverage and reimbursement will be available for EKTERLY (sebetralstat) or any other product candidate that receives regulatory approval, and any reimbursement that may become available may be decreased or eliminated in the future.

In addition, the market for EKTERLY (sebetralstat), and certain of our product candidates, if approved, will depend significantly on access to third-party payors' drug formularies, or lists of medications for which third-party payors provide coverage and reimbursement. The industry competition to be included in such formularies often leads to downward pricing pressures on pharmaceutical companies.

Obtaining and maintaining reimbursement status is time consuming, costly and uncertain, and there is significant uncertainty related to the insurance coverage and reimbursement of newly approved products. In the U.S., the principal decisions about reimbursement for new medicines are typically made by the CMS, an agency within HHS, as CMS decides whether and to what extent a

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new medicine will be covered and reimbursed under Medicare. Private payors tend to follow CMS to a substantial degree. It is difficult to predict what CMS will decide with respect to reimbursement for fundamentally novel products such as ours, if approved, as there is no body of established practices and precedents for these products.

Although Medicare and Medicaid programs increasingly are used as models for how private payors and other governmental payors develop their coverage and reimbursement policies for drugs, no uniform policy for coverage and reimbursement for products exists among third-party payors in the U.S. Therefore, coverage and reimbursement for products can differ significantly from payor to payor. As a result, the coverage determination process is often a time consuming and costly process that will require us to provide scientific and clinical support for the use of our products, if approved, to each payor separately, with no assurance that coverage and adequate reimbursement will be applied consistently or obtained in the first instance. Furthermore, rules and regulations regarding reimbursement change frequently, in some cases on short notice, and we believe that changes in these rules and regulations are likely.

Reimbursement agencies in Europe may be more conservative than CMS. Outside the U.S., international operations are generally subject to extensive governmental price controls and other market regulations, and we believe the increasing emphasis on cost-containment initiatives in Europe, Canada, and other countries has and will continue to put pressure on the pricing and usage of our product candidates. In many countries, the prices of medical products are subject to varying price control mechanisms as part of national health systems. In general, the prices of medicines under such systems are substantially lower than in the U.S. Other countries allow companies to fix their own prices for medicines, but monitor and control company profits. Additional foreign price controls or other changes in pricing regulation could restrict the amount that we are able to charge for EKTERLY (sebetralstat) and any of our other product candidates approved for commercial sale. Accordingly, in markets outside the U.S., the reimbursement for EKTERLY (sebetralstat) and any of our other product candidates approved for commercial sale, may be reduced compared with the U.S. and may be insufficient to generate commercially reasonable revenues and profits.

Further, we believe that future coverage and reimbursement will likely be subject to increased restrictions in both the U.S. and in international markets. Third-party coverage and reimbursement for sebetralstat and any of our product candidates for which we may receive regulatory approval may not be available or adequate in either the U.S. or international markets, which could harm our business, financial condition, operating results, and prospects.

***Product liability lawsuits against us could cause us to incur substantial liabilities and to limit commercialization of any products that we may develop.***

We face an inherent risk of product liability exposure related to the testing of our product candidates in human clinical trials and an even greater risk associated with the sale and distribution of EKTERLY (sebetralstat), and any of our other product candidates that may be approved for commercial sale. If we cannot successfully defend against claims that our product candidates or products caused injuries, we will incur substantial liabilities. Regardless of merit or eventual outcome, liability claims may result in:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•decreased demand for any product candidates or products that we may develop;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•injury to our reputation and significant negative media attention;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•withdrawal of clinical trial participants or difficulties in recruiting new clinical trial participants;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•initiation of investigations by regulators;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•significant costs to defend or settle the related litigation;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•substantial monetary awards to trial participants or patients;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•loss of revenue;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•reduced resources of our management to pursue our business strategy; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the inability to commercialize any products that we may develop.

Although we maintain product liability insurance coverage, it may not be adequate to cover all liabilities that we may incur. We may need to increase our insurance coverage as we expand our clinical trials and commercialize EKTERLY (sebetralstat), and any of our other product candidates that may be approved for commercial sale. Insurance coverage is increasingly expensive. We may not be able to maintain insurance coverage at a reasonable cost or in an amount adequate to satisfy any liability that may arise.

***Clinical drug development involves a lengthy and expensive process, with an uncertain outcome. We may incur additional costs or experience delays in completing, or ultimately be unable to complete, the development and commercialization of our product candidates.***

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The historical failure rate in clinical drug development of product candidates in our industry is high. Before obtaining regulatory approval from regulatory authorities for the sale of any product candidate, we must complete preclinical development and then conduct extensive clinical trials to demonstrate the safety and efficacy of our product candidates in humans. Clinical testing is expensive, difficult to design and implement and can take many years to complete, and its outcome is inherently uncertain. Failure can occur at any time during the clinical trial process. Further, the results of preclinical studies and early clinical trials of our product candidates may not be predictive of the results of later-stage clinical trials, and interim results of a clinical trial do not necessarily predict final results. Moreover, preclinical and clinical data are often susceptible to varying interpretations and analyses, and many companies that have believed their product candidates performed satisfactorily in preclinical studies and clinical trials have nonetheless failed to obtain regulatory approval of their products. It is impossible to predict when or if any of our product candidates being developed in clinical trials or preclinical studies will prove effective or safe in humans or will receive regulatory approval.

We may experience delays in our clinical trials, including our ongoing KONFIDENT-KID and KONFIDENT-S, though we do not intend to use data stemming from the KONFIDENT-S trial, trials of sebetralstat, and we do not know whether future clinical trials will begin or enroll subjects on time, need to be redesigned or be completed on schedule, if at all. There can be no assurance that the FDA or any other comparable foreign regulatory authority will not put any of our product candidates on clinical hold in the future. We may experience numerous unforeseen events during, or as a result of, clinical trials that could delay or prevent our ability to receive regulatory approval or commercialize our product candidates. Clinical trials may be delayed, suspended or prematurely terminated for a variety of reasons, such as:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•delay or failure in reaching agreement with the FDA or other comparable foreign regulatory authority on a trial design that we want to execute;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•delay or failure in obtaining authorization to commence a trial or inability to comply with conditions imposed by a regulatory authority regarding the scope or design of a clinical study;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•delays in reaching, or failure to reach, agreement on acceptable clinical trial contracts or clinical trial protocols with prospective trial sites;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•inability, delay, or failure in identifying and maintaining a sufficient number of trial sites, many of which may already be engaged in other clinical programs;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•delay or failure in recruiting and enrolling suitable subjects to participate in a trial;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•delay or failure in having subjects complete a trial or return for post-treatment follow-up;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•delay or failure in data collections in connection with a clinical trial;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•clinical sites and investigators deviating from trial protocol, failing to conduct the trial in accordance with regulatory requirements, or dropping out of a trial;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•lack of adequate funding to continue the clinical trial, including the incurrence of unforeseen costs due to enrollment delays, requirements to conduct additional clinical studies and increased expenses associated with the services of our CROs and other third parties;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•clinical trials of our product candidates may produce negative or inconclusive results, and we may decide, or regulators may require us to conduct additional clinical trials or abandon product development programs;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the number of patients required for clinical trials of our product candidates may be larger than we anticipate, enrollment in these clinical trials may be slower than we anticipate or participants may drop out of these clinical trials at a higher rate than we anticipate;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•we may experience delays or difficulties in the enrollment of patients that our product candidates are designed to target;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•our third-party contractors may fail to comply with regulatory requirements or meet their contractual obligations to us in a timely manner, or at all;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•we may have difficulty partnering with experienced CROs that can identify patients that our product candidates are designed to target and run our clinical trials effectively;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the cost of clinical trials of our product candidates may be greater than we anticipate;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•there may be political factors surrounding the approval process, such as government shutdowns or political instability;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the supply or quality of our product candidates or other materials necessary to conduct clinical trials of our product candidates may be insufficient or inadequate; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•there may be changes in governmental regulations or administrative actions.

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If we are required to conduct additional clinical trials or other testing of our product candidates beyond those that we currently contemplate, if we are unable to successfully complete clinical trials of our product candidates or other testing, if the results of these trials or tests are not positive or are only modestly positive or if there are safety concerns, we may:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•be delayed in obtaining regulatory approval for our product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•not obtain regulatory approval at all;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•obtain approval for indications, patient populations or doses that are not as broad as intended or desired;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•obtain approval with labeling that includes significant use or distribution restrictions or safety warnings that would reduce the potential market for our products or inhibit our ability to successfully commercialize our products;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•be subject to additional post-marketing restrictions and/or testing requirements; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•have the product removed from the market after obtaining regulatory approval.

Our product development costs will also increase if we experience delays in testing or regulatory approvals. We do not know whether any of our preclinical studies or clinical trials will need to be restructured or will be completed on schedule, or at all. Significant preclinical or clinical trial delays also could shorten any periods during which we may have the exclusive right to commercialize our product candidates or allow our competitors to bring products to market before we do and impair our ability to successfully commercialize our product candidates and may harm our business and results of operations.

***If we experience delays or difficulties in the enrollment of patients in clinical trials, our receipt of necessary regulatory approvals could be delayed or prevented and expenses for development of our product candidates could increase.***

We do not know whether planned or ongoing clinical trials will enroll subjects in a timely fashion, require redesign of essential trial elements or be completed on our projected schedule. In particular, because we are focused on patients with HAE, which is a rare disease, our ability to enroll eligible patients in trials may be limited or may result in slower enrollment than we anticipate. In addition, competitors have ongoing clinical trials for product candidates that treat the same indications as EKTERLY (sebetralstat) and any other product candidates, and patients who would otherwise be eligible for our clinical trials may instead enroll in clinical trials of our competitors' product candidates. Our inability to enroll a sufficient number of patients for our clinical trials would result in significant delays and could require us to abandon one or more clinical trials altogether.

Patient enrollment is affected by many factors including:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the eligibility criteria for the study in question;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the perceived risks and benefits of the product candidate under study;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the efforts to facilitate timely enrollment in clinical trials;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the inability to identify and maintain a sufficient number of trial sites, many of which may already be engaged in other clinical trial programs, including some that may be for the same disease indication;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the patient referral practices of physicians;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the proximity and availability of clinical trial sites for prospective patients;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•ambiguous or negative interim results of our clinical trials, or results that are inconsistent with earlier results;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•feedback from the FDA, MHRA, EMA, MHLW, or a comparable foreign regulatory authority or IRBs, data safety monitoring boards or results from earlier stage or concurrent preclinical and clinical studies, that might require modifications to the protocol;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•decisions by the FDA, MHRA, EMA, MHLW, IRBs, a comparable foreign regulatory authority or us, or recommendations by data safety monitoring boards, to suspend or terminate clinical trials at any time for safety issues or for any other reason; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•unacceptable risk-benefit profile or unforeseen safety issues or adverse effects.

Enrollment delays in our clinical trials may result in increased development costs for our product candidates, which would cause the value of the company to decline and limit our ability to obtain additional financing.

***If we do not achieve our projected development goals in the timeframes we announce and expect, the commercialization of our products may be delayed and, as a result, our stock price may decline.***

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From time to time, we estimate the timing of the anticipated accomplishment of various scientific, clinical, regulatory and other product development goals, which we sometimes refer to as milestones. These milestones may include the commencement or completion of scientific studies and clinical trials and the submission of regulatory filings. From time to time, we may publicly announce the expected timing of some of these milestones. All of these milestones are and will be based on numerous assumptions. The actual timing of these milestones can vary dramatically compared to our estimates, in some cases for reasons beyond our control. For example, prior to FDA approval of EKTERLY (sebetralstat) on July 3, 2025, the FDA notified us on June 13, 2025 that it would not meet the PDUFA goal date of June 17, 2025 for regulatory approval but that it expected to deliver a decision within approximately four weeks. If we do not meet milestones as publicly announced, or at all, the commercialization of our products may be delayed or never achieved and, as a result, our stock price may decline.

***If serious adverse events or unacceptable side effects are identified during the development of our product candidates, we may need to abandon or limit the development of some of our product candidates.***

We are not permitted to commercialize, market, promote or sell any product candidate in the U.S. without obtaining regulatory approval from the FDA. Foreign regulatory authorities, such as the EMA, impose similar requirements. If our product candidates are associated with undesirable effects in preclinical or clinical trials or have characteristics that are unexpected, we may need to interrupt, delay or abandon their development or limit development to more narrow uses or subpopulations in which the undesirable side effects or other characteristics are less prevalent, less severe or more acceptable from a risk-benefit perspective. Additional or more severe side effects may be identified for all our programs through further clinical studies or after regulatory approval is received. These or other drug-related side effects could affect patient recruitment or the ability of enrolled subjects to complete the trial or result in potential product liability claims. Any of these occurrences may significantly harm our business, financial condition and prospects.

**Risks Related to Regulatory Approval of Our Product Candidates and Other Legal Compliance Matters**

***If we are not able to obtain, or if there are delays in obtaining, required regulatory approvals, we will not be able to commercialize our product candidates, and our ability to generate revenue will be materially impaired.***

Our product candidates must be approved by the FDA pursuant to an NDA in the U.S. and by the EMA and similar regulatory authorities outside the U.S. prior to commercialization. We received FDA approval for EKTERLY (sebetralstat) for the treatment of acute attacks of HAE in adult and pediatric patients aged 12 years and older on July 3, 2025 and the Current Global Approvals through the end of 2025. We cannot provide assurance that we will receive regulatory approvals for sebetralstat in other jurisdictions or indications or for our other product candidates.

In order to market any products outside of the U.S., including sebetralstat, we will need to comply with additional onerous but varying regulatory requirements of other countries regarding safety and efficacy on a country-by-country basis. Approval of EKTERLY (sebetralstat) by the FDA in the U.S. does not ensure approval by comparable regulatory authorities in other countries or jurisdictions nor does it ensure that we will be able to successfully commercialize EKTERLY (sebetralstat) or any other approved products in the U.S. or in other jurisdictions. In addition, clinical trials conducted in one country may not be accepted by regulatory authorities in other countries, and regulatory approval in one country does not mean that regulatory approval will be obtained in any other country. Further, successful commercialization in the U.S. does not guarantee successful commercialization in other jurisdictions.

The process of obtaining regulatory approvals, both in the U.S. and abroad, is expensive and takes many years, if approval is obtained at all, and can vary substantially based upon a variety of factors, including the type, complexity and novelty of the product candidates and therapeutic indications involved. Failure to obtain regulatory approval for a product candidate will prevent us from commercializing the product candidate. Securing regulatory approval requires the submission of extensive chemistry, manufacturing and preclinical and clinical data and supporting information to regulatory authorities for each therapeutic indication to establish the product candidate's safety and efficacy. Securing regulatory approval also usually requires inspection of manufacturing facilities by the regulatory authorities and also audits of the clinical trial sites, data and CROs that have supported us in the clinical development. Our product candidates may not be effective, may be only moderately effective or may prove to have undesirable or unintended side effects, toxicities or other characteristics that may preclude us from obtaining regulatory approval or prevent or limit commercial use. Regulatory authorities have substantial discretion in the approval process and may refuse to accept an application or may decide that our data are insufficient for approval and require additional preclinical, clinical or other studies.

Changes in regulatory approval policies during the development period, changes in or the enactment of additional statutes or regulations, or changes in regulatory review for each submitted product application, may also cause delays in or prevent the approval of an application.

For example, the U.K. formally left the E.U. on January 31, 2020, often referred to as Brexit, and the transition period ended on December 31, 2020. Brexit has caused uncertainty in the current regulatory framework in Europe. For instance, Brexit has resulted in the

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EMA, moving from the U.K. to the Netherlands. The U.K. has now put in place legislation to cover the approval of new medicinal products in the U.K., including designations such as orphan designation, and a pediatric investigational plan. The requirements are similar to those in the E.U. and in many cases have adopted the same requirements. However, there are still adjustments being made to legislation. Any of these adjustments as a result of Brexit could result in significant delays and additional expense to our business. Any of the foregoing factors could have a material adverse effect on our business, results of operations, or financial condition.

Any future regulatory approval we ultimately obtain may be limited or subject to restrictions or post-approval commitments that render the approved product not commercially viable.

If we experience delays in obtaining approval or if we fail to obtain approval of our product candidates, the commercial prospects for our product candidates may be harmed and our ability to generate revenues will be materially impaired.

***Our operations and relationships with healthcare providers, healthcare organizations, customers and third-party payors will be subject to applicable anti-bribery, anti-kickback, fraud and abuse, transparency and other healthcare laws and regulations, which could expose us to, among other things, enforcement actions, criminal sanctions, civil penalties, contractual damages, reputational harm, administrative burdens and diminished profits and future earnings.***

Our current and future arrangements with healthcare providers, healthcare organizations, third-party payors and customers expose us to broadly applicable anti-bribery, fraud and abuse and other healthcare laws and regulations that may constrain the business or financial arrangements and relationships through which we research, market, sell and distribute any of our product candidates approved for commercial sale. Restrictions under applicable federal and state anti-bribery and healthcare laws and regulations, include the following:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the federal Anti-Kickback Statute, which prohibits, among other things, individuals and entities from knowingly and willfully soliciting, offering, receiving or providing remuneration, directly or indirectly, in cash or in kind, to induce or reward, or in return for, either the referral of an individual for, or the purchase, order or recommendation of, any good or service for which payment may be made under a federal and state healthcare program such as Medicare and Medicaid. The term remuneration has been broadly interpreted to include anything of value. A person or entity does not need to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the federal criminal and civil false claims and civil monetary penalties laws, including the federal False Claims Act, which can be enforced through civil whistleblower or qui tam actions against individuals or entities, and the Federal Civil Monetary Penalties Law, which prohibit, among other things, knowingly presenting, or causing to be presented, to the federal government, claims for payment that are false or fraudulent, knowingly making, using or causing to be made or used, a false record or statement material to a false or fraudulent claim, or from knowingly making a false statement to avoid, decrease or conceal an obligation to pay money to the federal government. In addition, certain marketing practices, including off-label promotion, may also violate false claims laws. Moreover, the government may assert that a claim including items and services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the federal False Claims Act;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•HIPAA and its implementing regulations, which imposes criminal and civil liability, prohibits, among other things, knowingly and willfully executing, or attempting to execute a scheme to defraud any healthcare benefit program, or knowingly and willfully falsifying, concealing or covering up a material fact or making any materially false statement in connection with the delivery of or payment for healthcare benefits, items or services; similar to the federal Anti-Kickback Statute, a person or entity does not need to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•HIPAA, as amended by HITECH, and their respective implementing regulations, which impose obligations on certain healthcare providers, health plans, and healthcare clearinghouses, known as covered entities, as well as their business associates that perform certain services involving the storage, use or disclosure of individually identifiable health information for or on behalf of a covered entity and their covered subcontractors, including mandatory contractual terms, with respect to safeguarding the privacy, security, and transmission of individually identifiable health information, and require notification to affected individuals and regulatory authorities of certain breaches of security of individually identifiable health information;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the federal Physician Payments Sunshine Act, which requires certain manufacturers of covered drugs, devices, biologics and medical supplies that are reimbursable under Medicare, Medicaid, or the Children's Health Insurance Program, with certain exceptions, to report annually to CMS information related to certain payments and other transfers of value to physicians (defined to include doctors, dentists, optometrists, podiatrists and chiropractors), certain other health care professionals (such as physician assistants and certain advance practices nurses), and teaching hospitals, as well as ownership and investment interests held by the physicians described above and their immediate family members, with the information made publicly available on a searchable website;

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the Foreign Corrupt Practices Act, which prohibits U.S. businesses and their representatives from offering to pay, paying, promising to pay or authorizing the payment of money or anything of value to a foreign official in order to influence any act or decision of the foreign official in his or her official capacity or to secure any other improper advantage in order to obtain or retain business;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•analogous state and foreign laws and regulations, such as state anti-kickback and false claims laws, that may apply to sales or marketing arrangements and claims involving healthcare items or services reimbursed by non-governmental third-party payors, including private insurers; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•certain state laws that require biopharmaceutical companies to comply with the biopharmaceutical industry's voluntary compliance guidelines and the relevant compliance guidance promulgated by the federal government in addition to requiring drug manufacturers to report information related to payments to physicians and other healthcare providers or marketing expenditures and drug pricing information, and state and local laws that require the registration of biopharmaceutical sales representatives.

Efforts to ensure that our current and future business arrangements with third parties comply with applicable healthcare laws and regulations could involve substantial costs. It is possible that governmental authorities will conclude that our business practices do not comply with current or future statutes, regulations, agency guidance or case law involving applicable fraud and abuse or other healthcare laws and regulations. If our operations are found to be in violation of any such requirements, we may be subject to significant penalties, including civil, criminal and administrative penalties, damages, fines, disgorgement, imprisonment, the curtailment or restructuring of our operations, loss of eligibility to obtain approvals from the FDA, exclusion from participation in government contracting, healthcare reimbursement or other government programs, including Medicare and Medicaid, integrity oversight and reporting obligations, or reputational harm, any of which could adversely affect our financial results. These risks cannot be entirely eliminated. Any action against us for an alleged or suspected violation could cause us to incur significant legal expenses and could divert our management's attention from the operation of our business, even if our defense is successful. In addition, achieving and sustaining compliance with applicable laws and regulations may be costly to us in terms of money, time and resources.

***An orphan drug designation by the FDA or other comparable foreign regulatory authorities does not increase the likelihood that our product candidates will receive marketing exclusivity.***

Regulatory authorities in some jurisdictions, including the U.S. and Europe, may designate drugs for relatively small patient populations as orphan drugs. Under the Orphan Drug Act, the FDA may designate a product as an orphan drug if it is intended to treat a rare disease or condition, which is generally defined as a disease with a prevalence of fewer than 200,000 individuals in the U.S., or if it affects more than 200,000 individuals in the U.S., there is no reasonable expectation that the cost of developing, and making the drug available in the U.S. for such disease will be recovered from sales of the drug.

Generally, if a product with an orphan drug designation in a particular jurisdiction subsequently receives the first regulatory approval for the indication for which it has such designation, the product is entitled to a period of marketing exclusivity, which precludes the authority in that jurisdiction from approving another marketing application for the same drug for the same indication during the period of exclusivity. The applicable period is seven years in the U.S., 10 years in Europe, and 10 years in Japan. Orphan drug exclusivity may be lost if the FDA or other comparable foreign regulatory authority determines that the request for designation was materially defective, the criteria on which the orphan designation was originally issued no longer apply or if the manufacturer is unable to assure sufficient quantity of the drug to meet the needs of patients with the rare disease or condition. In the E.U. and in Japan, it is necessary to apply for "maintenance" of the orphan drug designation to continue post approval. There is no guarantee that because the product was granted orphan designation during development that this will remain post approval.

The FDA granted orphan drug designation for EKTERLY (sebetralstat) on September 7, 2021. This designation may not effectively protect EKTERLY (sebetralstat) (or other drug candidates for which we may seek orphan designation) from competition because the designation does not preclude different drugs from being approved for the same condition. Even after an orphan designated drug is approved, the FDA can subsequently approve the same drug for the same condition if the FDA concludes that it is clinically superior in that it is shown to be safer, more effective or makes a major contribution to patient care.

***Failure to obtain regulatory approval in jurisdictions outside the U.S. would prevent EKTERLY (sebetralstat) and our other product candidates from being marketed in those jurisdictions.***

Obtaining and maintaining regulatory approval of our product candidates in one jurisdiction does not guarantee that we will be able to obtain or maintain regulatory approval in any other jurisdiction. For example, even though we have received FDA approval and the Current Global Approvals for EKTERLY (sebetralstat), in order to market and sell EKTERLY (sebetralstat) in other jurisdictions, we or our third-party collaborators must obtain separate regulatory approvals from those jurisdictions and comply with numerous and varying regulatory requirements. The approval procedure varies from country to country and can involve additional testing. The time required to

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obtain approval may differ substantially from that required to obtain FDA approval. The regulatory approval process outside the U.S. generally includes all of the risks associated with obtaining FDA approval. In addition, in many countries outside the U.S., it is required that the product be approved for reimbursement before the product can be approved for sale in that country. We, or our third-party collaborators, may not obtain approvals from regulatory authorities outside the U.S. on a timely basis, if at all. Approval in any one country or jurisdiction does not ensure approval by regulatory authorities in other countries or jurisdictions. We may not be able to file for regulatory approvals and may not receive necessary approvals to commercialize our products in any market.

***Any product candidate for which we obtain regulatory approval, including EKTERLY (sebetralstat), will be subject to extensive post-marketing regulatory requirements and could be subject to post-marketing restrictions or withdrawal from the market, and we may be subject to penalties if we fail to comply with regulatory requirements or if we experience unanticipated problems with our approved products.***

EKTERLY (sebetralstat), and our other product candidates, and the activities associated with their development and commercialization, including their testing, manufacture, recordkeeping, labeling, storage, approval, advertising, promotion, sale and distribution, are subject to comprehensive regulation by the FDA and other comparable foreign regulatory authorities. In the U.S., these requirements include submissions of safety and other post-marketing information and reports, registration and listing requirements, cGMP requirements relating to manufacturing, quality control, quality assurance and corresponding maintenance of records and documents, including periodic inspections by the FDA and other regulatory authority, requirements regarding the distribution of samples to physicians and recordkeeping.

The FDA, or other comparable foreign regulatory authorities, may also impose requirements for costly post-marketing studies or clinical trials and surveillance to monitor the safety or efficacy of the product. The FDA closely regulates the post-approval marketing and promotion of drugs to ensure drugs are marketed only for the approved indications and in accordance with the provisions of the approved labeling. The FDA imposes stringent restrictions on manufacturers' communications regarding use of their products and if we promote our products beyond their approved indications, we may be subject to enforcement action for off-label promotion. Violations of the FDC Act relating to the promotion of prescription drugs may lead to investigations alleging violations of federal and state health care fraud and abuse laws, as well as state consumer protection laws.

In addition, later discovery of previously unknown adverse events or other problems with our products, manufacturers or manufacturing processes, or failure to comply with regulatory requirements, may yield various results, including:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•restrictions on the labeling or marketing of a product;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•restrictions on product distribution or use;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•requirements to conduct post-marketing studies or clinical trials;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•warning or untitled letters;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•withdrawal of the products from the market;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•refusal to approve pending applications or supplements to approved applications that we submit;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•recall of products;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•fines, restitution or disgorgement of profits or revenues;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•suspension or withdrawal of regulatory approvals;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•refusal to permit the import or export of our products;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•product seizure; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•injunctions or the imposition of civil or criminal penalties.

Non-compliance with U.S. and other comparable foreign regulatory authority requirements regarding safety monitoring or pharmacovigilance, and with requirements related to the development of products for the pediatric population, can also result in significant financial penalties. Similarly, failure to comply with the requirements of the U.S. and applicable foreign jurisdictions regarding the protection of personal information can also lead to significant penalties and sanctions.

***Recently enacted and future legislation may increase the difficulty and cost for us to obtain regulatory approval of and commercialize our product candidates and affect the prices we may obtain.***

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In the U.S. there has been, and we expect there will continue to be, a number of legislative and regulatory changes and proposed changes regarding the healthcare system that could prevent or delay regulatory approval of our product candidates, restrict or regulate post-approval activities and affect our ability to profitably sell EKTERLY (sebetralstat) and any other product candidates for which we obtain regulatory approval.

Legislative and regulatory proposals have been made to expand post-approval requirements and restrict sales and promotional activities for pharmaceutical products. We cannot be sure whether additional legislative changes will be enacted, or whether the FDA regulations, guidance or interpretations will be changed, or what the impact of such changes on the regulatory approvals of our product candidates, if any, may be. In addition, increased scrutiny by the U.S. Congress of the FDA's approval process may significantly delay or prevent regulatory approval, as well as subject us to more stringent product labeling and post-marketing testing and other requirements.

In addition, in the U.S., there have been and continue to be a number of legislative initiatives to contain healthcare costs, including costs of pharmaceuticals. There has been heightened governmental scrutiny over the manner in which sponsors set prices for their products, which has resulted in several presidential executive orders, Congressional inquiries, and proposed and enacted federal and state legislation designed to, among other things, bring more transparency to product pricing, review the relationship between pricing and manufacturer patient programs, reduce the costs of drugs under Medicare and Medicaid, and reform government program reimbursement methodologies for drug products.

Several healthcare reform initiatives culminated in the enactment of the IRA in August 2022, which, among other things, allows HHS to directly negotiate the selling price of a statutorily specified number of drugs and biologics each year that CMS reimburses under Medicare Part B and Part D. Only high-expenditure single-source drugs that have been approved for at least seven years (11 years for single-source biologics) are eligible to be selected for negotiation by CMS, with the negotiated price taking effect two years after the selection year. CMS selected 10 high-cost Medicare Part D products in 2023, negotiations began in 2024, and the negotiated maximum fair price for each product was subsequently announced. These negotiations resulted in significant price reductions for the selected products from their 2023 list prices, ranging from 38 to 79 percent, with an average price reduction of 59.4 percent. The price cap for each of these products, which cannot exceed a statutory ceiling price, will take effect in 2026. Negotiations for Medicare Part B products will begin in 2026 with the negotiated price taking effect in 2028. A drug or biological product that has an orphan drug designation for only one rare disease or condition will be excluded from the IRA's price negotiation requirements, but will lose that exclusion if it receives designations for more than one rare disease or condition, or if it is approved for an indication that is not within that single designated rare disease or condition, unless such additional designation or such disqualifying approvals are withdrawn by the time CMS evaluates the selected drug for negotiation. The negotiated prices have represented, and will continue to represent, a significant discount from average prices to wholesalers and direct purchasers. The IRA also imposes rebates on Medicare Part D and Part B drugs whose prices have increased at a rate greater than the rate of inflation, and in November 2024, CMS finalized regulations for the Medicare Part B and Part D inflation rebates. In addition, beginning in 2025, the law eliminated the coverage gap under Medicare Part D by significantly lowering the beneficiary maximum out-of-pocket cost and requiring manufacturers to subsidize, through a newly established manufacturer discount program, 10% of Part D enrollees' prescription costs for brand drugs below the out-of-pocket limit, and 20% once the out-of-pocket limit has been reached. The IRA also extends enhanced subsidies for individuals purchasing health insurance coverage in ACA marketplaces through plan year 2025. The IRA permits the Secretary of HHS to implement many of these provisions through guidance, as opposed to regulation, for the initial years. Manufacturers that fail to comply with the IRA may be subject to various penalties, including significant civil monetary penalties. These provisions may be subject to legal challenges. For example, the provisions related to the negotiation of selling prices of high-expenditure single-source drugs and biologics have been challenged in multiple lawsuits brought by pharmaceutical manufacturers. The IRA has had a significant impact on the pharmaceutical industry and the pricing of EKTERLY (sebetralstat) or any of our other product candidates approved for commercial sale.

On May 12, 2025, an Executive Order was issued that, among other things, required HHS, within 30 days, to establish and communicate to drug manufacturers most-favored-nation ("MFN") price targets designed to bring drug prices for American patients in line with those in comparably developed nations. If significant progress towards MFN pricing is not achieved, the Executive Order requires HHS to propose a rulemaking to implement MFN pricing. It is uncertain what HHS will consider significant progress toward MFN pricing, or when that determination will be made. If HHS issues and finalizes a rule to implement MFN pricing, the rule is likely to mandate reduced prices in the U.S. of drugs, including EKTERLY (sebetralstat) and any of our other product candidates approved for commercial sale, if they are also sold in comparator countries. Even if we do not market drugs in such countries, we would be indirectly affected if our drugs competed with drugs that were reduced by MFN pricing.

At the state level, legislatures are increasingly enacting laws and implementing regulations designed to control pharmaceutical and biological product pricing, including restrictions or prohibitions on certain marketing practices, reporting of specified categories of remuneration provided to health care practitioners, and reporting and justification of price increases greater than a specified level. In some cases, states have designed programs to encourage importation from other countries and bulk purchasing For example, the FDA released a final rule in September 2020 providing guidance for states to build and submit plans for importing drugs from Canada, and the FDA authorized the first such plan in Florida in January 2024, which has been extended until November 2025. It is unclear how this program

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will be implemented, including which drugs will be chosen, and whether it will be subject to legal challenges in the U.S. or Canada. Other states have also submitted proposals that are pending review by the FDA.

We expect that additional state and federal healthcare reform measures will be adopted in the future, any of which could limit the amounts that federal and state governments will pay for pharmaceuticals and other healthcare products and services, which could result in reduced demand for sebetralstat or any future product candidates, if approved, or additional pricing pressures. The implementation of cost containment measures or other healthcare reforms may prevent us from being able to generate revenue, attain profitability, or commercialize sebetralstat or other product candidates for which we obtain regulatory approval.

***Governments outside the U.S. tend to impose strict price controls, which may adversely affect our revenues, if any.***

In some countries, including the U.K., E.U. and Japan, the pricing of prescription pharmaceuticals is subject to governmental control. In these countries, pricing negotiations with governmental authorities can take considerable time after the receipt of regulatory approval for a product, and pricing in these countries may in some cases make it uneconomical for us to sell our products. To obtain reimbursement or pricing approval in some countries, we may be required to conduct a clinical trial that compares the cost-effectiveness of our product candidate to other available therapies. If reimbursement of our products is unavailable or limited in scope or amount, or if pricing is set at unsatisfactory levels, our business could be materially harmed.

***If we fail to comply with environmental, health and safety laws and regulations, we could become subject to fines or penalties or incur costs that could harm our business.***

We are subject to numerous environmental, health and safety laws and regulations, including those governing laboratory procedures and the handling, use, storage, treatment and disposal of hazardous materials and wastes. Our operations involve the use of hazardous and flammable materials, including chemicals and biological materials. Our operations also produce hazardous waste products. We generally contract with third parties for the disposal of these materials and wastes. We cannot eliminate the risk of contamination or injury from these materials. In the event of contamination or injury resulting from our use of hazardous materials, we could be held liable for any resulting damages, and any liability could exceed our resources. We also could incur significant costs associated with civil or criminal fines and penalties for failure to comply with such laws and regulations.

Although we maintain workers' compensation insurance to cover us for costs and expenses we may incur due to injuries to our employees resulting from the use of hazardous materials, this insurance may not provide adequate coverage against potential liabilities. We do not maintain insurance for environmental liability or toxic tort claims that may be asserted against us in connection with the storage or disposal of biological, hazardous or radioactive materials.

In addition, we may incur substantial costs in order to comply with current or future environmental, health and safety laws and regulations. These current or future laws and regulations may impair our discovery, preclinical development or production efforts. Our failure to comply with these laws and regulations also may result in substantial fines, penalties or other sanctions.

***Our employees may engage in misconduct or other improper activities, including noncompliance with regulatory standards and requirements.***

As with all companies, we are exposed to the risk of employee fraud or other misconduct. Misconduct by employees could include intentional failures to comply with FDA regulations, provide accurate information to the FDA, comply with manufacturing standards we may establish, comply with federal and state healthcare fraud and abuse laws and regulations, report financial information or data accurately or disclose unauthorized activities to us. In particular, sales, marketing, and distribution arrangements in the healthcare industry are subject to extensive laws and regulations intended to prevent fraud, kickbacks, self-dealing and other abusive practices. These laws and regulations may restrict or prohibit a wide range of pricing, discounting, marketing and promotion, sales commission, customer incentive programs and other business arrangements. Employee misconduct could also involve the improper use of information obtained in the course of clinical trials, which could result in regulatory sanctions and serious harm to our reputation. It is not always possible to identify and deter employee misconduct, and the precautions we take to detect and prevent this activity may not be effective in controlling unknown or unmanaged risks or losses or in protecting us from governmental investigations or other actions or lawsuits stemming from a failure to be in compliance with such laws or regulations. If any such actions are instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could have a material and adverse effect on our business, financial condition, results of operations and prospects, including the imposition of significant civil, criminal and administrative penalties, damages, fines, disgorgement, imprisonment, the curtailment or restructuring of our operations, loss of eligibility to obtain approvals from the FDA, exclusion from participation in government contracting, healthcare reimbursement or other government programs, including Medicare and Medicaid, integrity oversight and reporting obligations, or reputational harm.

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***Disruptions at the FDA, the SEC and other government agencies or comparable regulatory authorities caused by funding shortages or global health concerns could hinder their ability to hire, retain or deploy key leadership and other personnel, otherwise prevent new products and services from being developed, approved or commercialized in a timely manner or at all, or otherwise prevent those agencies from performing normal business functions on which the operation of our business may rely, which could negatively impact our business. In addition, there is substantial uncertainty regarding new initiatives under the Trump Administration and how these might impact the FDA, its implementation of laws, regulations, policies and guidance and its personnel. Similar initiatives may also be directed toward other government agencies. These initiatives could prevent, limit or delay development and regulatory approval of our product candidates, which would adversely affect our business.***

The ability of the FDA or other regulatory authorities to review and approve new products can be affected by a variety of factors, including government budget and funding levels, ability to hire and retain key personnel and accept the payment of user fees, statutory, regulatory and policy changes, and other events that may otherwise affect the FDA's or comparable foreign regulatory authorities' ability to perform routine functions. In addition, government funding of the government agencies or comparable foreign regulatory authorities on which our operations may rely, including those that fund research and development activities is subject to the political process, which is inherently fluid and unpredictable.

Disruptions at the FDA may slow the time necessary for new drugs to be reviewed and/or approved, which would adversely affect our business. Changes in FDA staffing could result in delays in the FDA's responsiveness or in its ability to review submissions or applications, issue regulations or guidance, or implement or enforce regulatory requirements in a timely fashion or at all. Moreover, if any legislation, executive orders, or lapses in agency funding impose constraints on the FDA's ability to engage in oversight and implementation activities in the normal course, our business may be negatively impacted.

Similar consequences would also result in the event of another significant shutdown of the federal government. In the past, government shutdowns have led to certain regulatory agencies having to furlough critical employees and stop critical activities. If a prolonged government shutdown occurs, or if geopolitical or global health concerns prevent the FDA or other regulatory authorities from conducting their regular inspections, reviews, or other regulatory activities, it could significantly impact the ability of the FDA or other regulatory authorities to timely review and process our regulatory submissions, which could have a material adverse effect on our business. Further, future government shutdowns or delays could impact our ability to access the public markets and obtain necessary capital in order to properly capitalize and continue our operations.

FDA-regulated industries, such as ours, face uncertainty with regard to the regulatory environment we face as we proceed with research and development and potential future commercialization. Some of these efforts have manifested to date as efforts to reduce the size of the federal government, including large-scale reductions in force at the FDA. The loss of key personnel at the FDA, including those in leadership positions, is likely to impact operations at the FDA, which could result in, among other things, delays or limitations on our ability to obtain guidance from the FDA on our product candidates in development, longer review times, and delays in obtaining regulatory approvals for our product candidates. Moreover, the current administration has recently proposed action to freeze or reduce the budget of the National Institutes of Health ("NIH") as related to its funding for medical research, which could decrease the ability of facilities that rely on NIH funding to enroll and conduct clinical trials or increase the costs to us of conducting clinical trials. There remains general uncertainty regarding future activities. New executive orders, regulations, policies or guidance could be issued or promulgated that adversely affects us or creates a more challenging or costly environment to pursue the development of new therapeutic products. Alternatively, state governments may attempt to address or react to changes at the federal level with changes to their own regulatory frameworks in a manner that is adverse to our operations. If we become negatively impacted by future governmental orders, regulations, policies or guidance, there could be a material adverse effect on us and our business.

**Risks Related to Our Dependence on Third Parties**

***We contract with third parties for the manufacture of EKTERLY (sebetralstat) and our other product candidates for preclinical and clinical testing and we expect to continue to do so for commercialization. This reliance on third parties increases the risk that we will not have sufficient quantities of our product candidates or products at an acceptable cost and quality, which could delay, prevent or impair our development or commercialization efforts.***

We do not own or operate facilities for the manufacture of EKTERLY (sebetralstat) or our other product candidates, and we do not have any direct manufacturing personnel. We currently have no plans to build our own clinical or commercial scale manufacturing capabilities. We rely, and expect to continue to rely, on third parties for the manufacture of our product candidates for preclinical and clinical testing and commercial supply of EKTERLY (sebetralstat), and any other product candidates for which we obtain regulatory approval, and we do not have backup sources of supply established for EKTERLY (sebetralstat) or our other product candidates. We review the manufacturing process for sebetralstat and each of our product candidates and assess the risk to supply and, as appropriate, establish multiple manufacturers and/or establish stock levels to support future activities and do not believe we are currently substantially dependent on any one third party. Despite our drug substance and drug product risk management, this reliance on third parties presents a

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risk that we will not have sufficient quantities of our products or product candidates, or such quantities at an acceptable cost or quality, which could delay, prevent or impair our development or commercialization efforts by us or our collaborators.

Any failure on the part of our existing or future manufacturers to provide the drug substance or drug products we need, at the times needed, could delay clinical development or regulatory approval. If current suppliers cannot supply us with our clinical trial or commercial requirements as agreed, we may be required to identify alternative manufacturers, which would lead us to incur added costs and delays in identifying and qualifying any such replacement.

Even if we choose to self-manufacture, the formulation used in early studies frequently is not a final formulation for commercialization. Additional changes may be required by the FDA or other comparable foreign regulatory authorities on specifications and storage conditions. These may require additional studies and may delay our clinical trials, including our ongoing KONFIDENT-KID trial.

We rely on third-party manufacturers and third-party collaborators for the manufacture of commercial supply of EKTERLY (sebetralstat) and expect to rely on third-party manufacturers and third-party collaborators for the manufacture of commercial supply of any other product candidates for which we, or our collaborators, obtain regulatory approval.

We also expect to rely on other third parties to store and distribute drug supplies for our clinical trials. Any performance failure on the part of our distributors could delay clinical development or regulatory approval of our product candidates or commercialization of our products, producing additional losses and depriving us of potential product revenue.

We may be unable to establish any agreements with third-party manufacturers or to do so on acceptable terms. Even if we are able to establish agreements with third-party manufacturers, reliance on third-party manufacturers entails additional risks, including:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•reliance on the third party for regulatory compliance and quality assurance;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the possible breach of the manufacturing agreement by the third party;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the possible misappropriation of our proprietary information, including trade secrets and know-how; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the possible termination or nonrenewal of the agreement by the third party at a time that is costly or inconvenient for us.

Third-party manufacturers may not be able to comply with cGMP, regulations or similar regulatory requirements outside the U.S. If the FDA determines that our third-party manufacturers are not in compliance with FDA laws and regulations, including those governing cGMPs, the FDA may not approve an NDA until the deficiencies are corrected or we replace the manufacturer in our application with a manufacturer that is in compliance. Moreover, our failure, or the failure of our third-party manufacturers, to comply with applicable regulations could result in sanctions being imposed on us, including clinical holds, fines, injunctions, civil penalties, delays, suspension or withdrawal of approvals, license revocation, seizures or recalls of product candidates or products, operating restrictions and criminal prosecutions, any of which could significantly and adversely affect supplies of our products. In addition, approved products and the facilities at which they are manufactured are required to maintain ongoing compliance with extensive FDA requirements and the requirements of other similar agencies, including ensuring that quality control and manufacturing procedures conform to cGMP requirements. As such, our third-party manufacturers are subject to continual review and periodic inspections to assess compliance with cGMPs. Furthermore, although we do not have day-to-day control over the operations of our third-party manufacturers, we are responsible for ensuring compliance with applicable laws and regulations, including cGMPs.

In addition, certain Chinese biotechnology companies may become subject to trade restrictions, sanctions, other regulatory requirements, or proposed legislation by the U.S. government, which could restrict or even prohibit our ability to work with such entities, thereby potentially disrupting the supply of material to us. For example, there have been legislative proposals that target U.S. government contracts, grants and loans for entities that use equipment and services from certain named Chinese biotechnology companies, and would authorize the U.S. government to name additional Chinese biotechnology companies of concern. If these bills become law, or similar laws are passed, they could severely restrict our ability to work with Chinese biotechnology manufacturing companies without losing our ability to contract with, or otherwise receive funding from, the U.S. government. We cannot predict what actions may ultimately be taken with respect to trade relations between the U.S. and China or other countries, what products and services may be subject to such actions or what actions may be taken by China or the other countries in retaliation.

If we are required to change third-party manufacturers for any reason, we will be required to verify that the new third-party manufacturer maintains facilities and procedures that comply with quality standards and with all applicable regulations. We will also need to verify, such as through a manufacturing comparability study, that any new manufacturing process will produce our product candidate or product according to the specifications previously submitted to the FDA or another regulatory authority. The delays associated with the

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verification of any new third-party manufacturer could negatively affect our ability to develop product candidates or commercialize our products in a timely manner or within budget.

Our product candidates and any products that we may develop in the future may compete with other product candidates and products for access to manufacturing facilities. There are a limited number of manufacturers that operate under cGMP regulations and that might be capable of manufacturing for us.

Our current and anticipated future dependence upon others for the manufacture of EKTERLY (sebetralstat) and our other product candidates or products may adversely affect our future profit margins and our ability to commercialize EKTERLY (sebetralstat), and any other products that receive regulatory approval, on a timely and competitive basis.

***We may not successfully engage in strategic transactions, including any additional collaborations we seek, which could adversely affect our ability to develop and commercialize product candidates, impact our cash position, increase our expenses and present significant distractions to our management. The terms of any collaborations may also have impacts on other aspects of our business.***

From time to time, we may consider strategic transactions, such as collaborations, acquisitions of companies, asset purchases and out-licensing or in-licensing of product candidates or technologies that we believe will complement or augment our existing business. In particular, we will evaluate and, if strategically attractive, seek to enter into additional collaborations, including with major biotechnology or biopharmaceutical companies. The competition for collaborators is intense, and the negotiation process is time-consuming and complex. Any new collaboration may be on terms that are not optimal for us, and we may not be able to maintain any new collaboration if, for example, development or approval of a product candidate is delayed, sales of an approved product candidate do not meet expectations or a collaborator terminates the collaboration. In addition, there have been a significant number of recent business combinations among large pharmaceutical companies that have resulted in a reduced number of potential future strategic partners. Our ability to reach a definitive agreement for a collaboration will depend upon, among other things, our assessment of the strategic partner's resources and expertise, the terms and conditions of the proposed collaboration and the proposed strategic partner's evaluation of a number of factors. These factors may include the design or results of clinical trials, the likelihood of approval by the FDA or comparable foreign regulatory authorities, the potential market for the subject product candidate, the costs and complexities of manufacturing and delivering such product candidate to patients, the potential of competing products, the existence of uncertainty with respect to our ownership of technology, which can exist if there is a challenge to such ownership without regard to the merits of the challenge, and industry and market conditions generally. Moreover, even if we acquire assets with promising markets or technologies, we may not be able to realize the benefit of acquiring such assets due to an inability to successfully integrate them with our existing technologies and we may encounter numerous difficulties in developing, manufacturing and marketing any new products resulting from a strategic acquisition that delay or prevent us from realizing their expected benefits or enhancing our business.

We cannot assure you that following any such collaboration, or other strategic transaction, we will achieve the expected synergies to justify the transaction. For example, such transactions may require us to incur non-recurring or other charges, increase our near- and long-term expenditures and pose significant integration or implementation challenges or disrupt our management or business. These transactions would entail numerous operational and financial risks, including exposure to unknown liabilities, disruption of our business and diversion of our management's time and attention in order to manage a collaboration or develop acquired products, product candidates or technologies, incurrence of substantial debt or dilutive issuances of equity securities to pay transaction consideration or costs, higher than expected collaboration, acquisition or integration costs, write-downs of assets or goodwill or impairment charges, increased amortization expenses, difficulty and cost in facilitating the collaboration or combining the operations and personnel of any acquired business, impairment of relationships with key suppliers, manufacturers or customers of any acquired business due to changes in management and ownership and the inability to retain key employees of any acquired business. Also, such strategic alliance, joint venture or acquisition may be prohibited. Collaborations may also have potential impact on other aspects of our business.

Accordingly, although there can be no assurance that we will undertake or successfully complete any transactions of the nature described above, any transactions that we do complete may be subject to the foregoing or other risks that would have a material and adverse effect on our business, financial condition, results of operations and prospects.

***We have entered, and may in the future seek to enter, into collaborations with third parties for the development and commercialization of sebetralstat or our other product candidates. If we fail to enter into such collaborations, or such collaborations are not successful, we may not be able to capitalize on the market potential of sebetralstat or our other product candidates that obtain regulatory approval.***

We have entered into various collaboration agreements, pursuant to which we have licensed commercialization rights to third parties in other countries, including Japan, Canada, Argentina, Brazil, Colombia, and Mexico. In these and any future collaboration agreements, we expect to have limited control over the amount and timing of resources that our collaborators dedicate to the development or commercialization of sebetralstat or any other product candidates. Moreover, our ability to generate revenues from these arrangements

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will depend on our collaborators' abilities to successfully perform the functions assigned to them in these arrangements. We may not realize the full potential value of these collaboration agreements, or any future agreement.

We face significant competition in seeking appropriate collaborators. Our ability to reach a definitive agreement for any collaboration will depend, among other things, upon our assessment of the collaborator's resources and expertise, the terms and conditions of the proposed collaboration and the proposed collaborator's evaluation of a number of factors. If we are unable to reach agreements with suitable collaborators on a timely basis, on acceptable terms, or at all, we may have to curtail the development of a product candidate, reduce or delay our development program or one or more of our other development programs, delay our potential development schedule or reduce the scope of research activities, or increase our expenditures and undertake discovery or preclinical development activities at our own expense. If we fail to enter into collaborations and do not have sufficient funds or expertise to undertake the necessary development activities, we may not be able to further develop our product candidates or continue to develop our product candidates and our business may be materially and adversely affected.

Our existing collaboration agreements, and any future collaboration agreements we may enter into, may involve the following risks:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•collaborators may have significant discretion in determining the efforts and resources that they will apply to these collaborations;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•collaborators may not perform their obligations as expected;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•changes in the collaborators' strategic focus or available funding, or external factors, such as an acquisition, may divert resources or create competing priorities;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•collaborators may delay discovery and preclinical development, provide insufficient funding for product development of targets selected by us, stop or abandon discovery and preclinical development for a product candidate, repeat or conduct new discovery and preclinical development for a product candidate;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•collaborators could independently develop, or develop with third parties, products that compete directly or indirectly with our products or product candidates if the collaborators believe that competitive products are more likely to be successfully developed than our products;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•product candidates discovered in collaboration with us may be viewed by our collaborators as competitive with their own product candidates or products, which may cause collaborators to cease to devote resources to the development of our product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•collaborators may not properly maintain or defend their intellectual property rights or intellectual property rights licensed to us or may use their proprietary information in such a way as to invite litigation that could jeopardize or invalidate our intellectual property or proprietary information or expose us to potential litigation;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•collaborators may infringe the intellectual property rights of third parties, which may expose us to litigation and potential liability; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•collaborations may be terminated for the convenience of the collaborator and, if terminated, we could be required to raise additional capital to pursue further development or commercialization of the applicable product candidates.

Additionally, subject to its contractual obligations to us, if a collaborator is involved in a business combination, the collaborator might deemphasize or terminate the development of any of our product candidates. If one of our collaborators terminates its agreement with us, we may find it more difficult to attract new collaborators and the perception of us in the business and financial communities could be adversely affected.

If our collaborations do not result in the successful development of products or product candidates, product candidates could be delayed and we may need additional resources to develop product candidates. All of the risks relating to product development, regulatory approval and commercialization described in this Transition Report on Form 10-KT also apply to the activities of our collaborators.

***We rely, and intend to continue to rely, on third parties to support or conduct our clinical trials and perform some of our research and preclinical studies. If these third parties do not satisfactorily carry out their contractual duties, fail to comply with applicable regulatory requirements or do not meet expected deadlines, our development programs may be delayed or subject to increased costs or we may be unable to obtain regulatory approval, each of which may have an adverse effect on our business, financial condition, results of operations and prospects.***

We do not have the ability to independently conduct all aspects of our clinical trials ourselves. As a result, we are dependent on third parties to conduct our ongoing and planned clinical trials of sebetralstat, including our ongoing KONFIDENT-KID clinical trial of

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sebetralstat in patients with HAE, and any future product candidates, as well as potentially preclinical studies of future product candidates. The timing of the initiation and completion of these trials will therefore be partially controlled by such third parties and may result in delays to our development programs. For example, we expect CROs, independent clinical investigators and consultants to play a significant role in the conduct of these trials and the subsequent collection and analysis of data. However, these investigators, CROs and other third parties are not our employees, and we will not be able to control all aspects of their activities. Nevertheless, we are responsible for ensuring that each clinical trial is conducted in accordance with the applicable protocol and legal, regulatory and scientific standards, and our reliance on the investigators, CROs and other third parties does not relieve us of our regulatory responsibilities. We and our CROs and other third parties are required to comply with GCP requirements, which are regulations and guidelines enforced by the FDA for product candidates in clinical development. Regulatory authorities enforce these GCP requirements through periodic inspections of trial sponsors, clinical trial investigators and clinical trial sites. If we or any of our CROs or clinical trial sites fail to comply with applicable GCP requirements, the data generated in our clinical trials may be deemed unreliable, and the FDA or other regulators may require us to perform additional clinical trials before approving our marketing applications. We cannot assure you that, upon inspection, the FDA or other regulators will determine that our clinical trials comply with GCPs. In addition, our clinical trials must be conducted with product manufactured under cGMP regulations. Our failure or the failure of third parties on whom we rely to comply with these regulations may require us to stop and/or repeat clinical trials, which would delay the regulatory approval process.

There is no guarantee that any such CROs, clinical trial investigators or other third parties on which we rely will devote adequate time and resources to our development activities or perform as contractually required. In addition, these third parties may be subject to supply chain or inflationary pressures that limit their ability to achieve anticipated timelines or result in a greater cost to us. For example, we are aware of recurrent shortages of non-human primates available for preclinical studies and although that is not expected to impact our current business, if we begin new product development programs we could be subject to longer development times or difficulty completing necessary research. If any of these third parties fail to meet expected deadlines, adhere to our clinical protocols or meet regulatory requirements, otherwise perform in a substandard manner, or terminate their engagements with us, the timelines for our development programs may be extended or delayed or our development activities may be suspended or terminated. If a clinical trial site terminates for any reason, we may experience the loss of follow-up information on subjects enrolled in such clinical trial site unless we are able to transfer those subjects to another qualified clinical trial site, which may be difficult or impossible.

In addition, with respect to investigator-sponsored trials that may be conducted, we would not control the design or conduct of these trials, and it is possible that the FDA will not view these investigator-sponsored trials as providing adequate support for future clinical trials or market approval, whether controlled by us or third parties, for any one or more reasons, including elements of the design or execution of the trials or safety concerns or other trial results. We expect that such arrangements will provide us certain information rights with respect to the investigator-sponsored trials, including access to and the ability to use and reference the data, including for our own regulatory submissions, resulting from the investigator-sponsored trials. However, we would not have control over the timing and reporting of the data from investigator-sponsored trials, nor would we own the data from the investigator-sponsored trials. If we are unable to confirm or replicate the results from the investigator-sponsored trials or if negative results are obtained, we would likely be further delayed or prevented from advancing further clinical development. Further, if investigators or institutions breach their obligations with respect to the clinical development of our product candidates, or if the data proves to be inadequate compared to the firsthand knowledge we might have gained had the investigator-sponsored trials been sponsored and conducted by us, then our ability to design and conduct any future clinical trials ourselves may be adversely affected. The investigators may design clinical trials with clinical endpoints that are more difficult to achieve, or in other ways that increase the risk of negative clinical trial results compared to clinical trials that we may design on our own. Negative results in investigator-sponsored clinical trials could have a material adverse effect on our efforts to obtain regulatory approval for our product candidates and the public perception of our product candidates. Additionally, the FDA or other regulators may disagree with the sufficiency of our right of reference to the preclinical, manufacturing or clinical data generated by these investigator-sponsored trials, or our interpretation of preclinical, manufacturing or clinical data from these investigator-sponsored trials. If so, the FDA or other regulators may require us to obtain and submit additional preclinical, manufacturing, or clinical data.

Furthermore, these third parties may also have relationships with other entities, some of which may be our competitors for whom they may also be conducting clinical trials or other pharmaceutical product development activities that could harm our competitive position. If these third parties do not successfully carry out their contractual duties, meet expected deadlines or conduct our clinical trials in accordance with regulatory requirements or our stated protocols, we will not be able to obtain, or may be delayed in obtaining, regulatory approval for our product candidates and will not be able to, or may be delayed in our efforts to, successfully commercialize our products.

**Risks Related to Our Intellectual Property**

***If we are unable to obtain and maintain intellectual property protection for our technology and products or if the scope of the intellectual property protection obtained is not sufficiently broad, our competitors could develop and commercialize technology and products similar or identical to ours, and our ability to successfully commercialize our technology and products may be impaired.***

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Our success depends in large part on our ability to obtain and maintain patent protection in the U.S., the E.U., and other countries with respect to our proprietary technology and products. We seek to protect our proprietary position by filing patent applications in the U.S. and abroad related to our novel technologies and product candidates, including EKTERLY (sebetralstat). This patent portfolio includes issued patents and pending patent applications covering compositions of matter and methods of use.

The patent prosecution process is expensive and time-consuming, and we may not be able to file and prosecute all necessary or desirable patent applications at a reasonable cost or in a timely manner. We may choose not to seek patent protection for certain innovations and may choose not to pursue patent protection in certain jurisdictions, and under the laws of certain jurisdictions, patents or other intellectual property rights may be unavailable or limited in scope. It is also possible that we will fail to identify patentable aspects of our discovery and preclinical and clinical development output before it is too late to obtain patent protection. Moreover, in some circumstances, we may not have the right to control the preparation, filing and prosecution of patent applications, or to maintain the patents, covering technology that we license from third parties. Therefore, these patents and applications may not be prosecuted and enforced in a manner consistent with the best interests of our business.

The patent position of biotechnology and pharmaceutical companies generally is highly uncertain, involves complex legal and factual questions, and has in recent years been the subject of much litigation. In addition, the laws of foreign countries may not protect our rights to the same extent as the laws of the U.S. For example, India and China do not allow patents for methods of treating the human body. Publications of discoveries in the scientific literature often lag behind the actual discoveries, and patent applications in the U.S. and other jurisdictions are typically not published until 18 months after filing, or in some cases not at all. Therefore, we cannot know with certainty whether we were the first to make the inventions claimed in our owned or licensed patents or pending patent applications, or that we were the first to file for patent protection of such inventions. If a third party has also filed a U.S. patent application prior to the effective date of the relevant provisions of the America Invents Act (i.e. before March 16, 2013) covering our products and product candidates, including EKTERLY (sebetralstat), or a similar invention, we may have to participate in an adversarial proceeding, known as an interference, declared by the USPTO to determine priority of invention in the U.S. As a result, the issuance, scope, validity, enforceability and commercial value of our patent rights are highly uncertain. Our pending and future patent applications may not result in patents being issued which protect our technology or products, in whole or in part, or which effectively prevent others from commercializing competitive technologies and products. Changes in either the patent laws or interpretation of the patent laws in the U.S., E.U., and other countries may diminish the value of our patents or narrow the scope of our patent protection.

Moreover, we may be subject to a third-party preissuance submission of prior art to the USPTO, or become involved in opposition, derivation, reexamination, inter partes review, post-grant review or interference proceedings challenging our patent rights or the patent rights of others. An adverse determination in any such submission, proceeding or litigation could reduce the scope of, or invalidate, our patent rights, allow third parties to commercialize our technology or products and compete directly with us, without payment to us, or result in our inability to manufacture or commercialize products without infringing third-party patent rights. In addition, if the breadth or strength of protection provided by our patents and patent applications is threatened, it could dissuade companies from collaborating with us to license, develop or commercialize EKTERLY (sebetralstat) or other current or future product candidates.

Even if our owned and licensed patent applications issue as patents, they may not issue in a form that will provide us with any meaningful protection, prevent competitors from competing with us or otherwise provide us with any competitive advantage. Our competitors may be able to circumvent our owned or licensed patents by developing similar or alternative technologies or products in a non-infringing manner.

The issuance of a patent is not conclusive as to its inventorship, scope, validity or enforceability, and our owned and licensed patents may be challenged in the courts or patent offices in the U.S. and abroad. Such challenges may result in loss of exclusivity or freedom to operate or in patent claims being narrowed, invalidated or held unenforceable, in whole or in part, which could limit our ability to stop others from using or commercializing similar or identical technology and products, or limit the duration of the patent protection of our technology and products. Given the amount of time required for the development, testing and regulatory review of new product candidates, patents protecting such product candidates might expire before or shortly after such candidates are commercialized. As a result, our owned and licensed patent portfolio may not provide us with sufficient rights to exclude others from commercializing products similar or identical to ours.

The risks described elsewhere pertaining to our patents and other intellectual property rights also apply to the intellectual property rights that we license, and any failure to obtain, maintain and enforce these rights could have a material adverse effect on our business. In some cases we may not have control over the prosecution, maintenance or enforcement of the patents that we license, and our licensors may fail to take the steps that we believe are necessary or desirable in order to obtain, maintain and enforce the licensed patents. Any inability on our part to protect adequately our intellectual property may have a material adverse effect on our business, operating results and financial position.

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***Obtaining and maintaining our patent protection depends on compliance with various procedural, document submission, fee payment and other requirements imposed by governmental patent agencies, and our patent protection could be reduced or eliminated for non-compliance with these requirements.***

Periodic maintenance fees, renewal fees, annuity fees and various other governmental fees on patents and/or applications will be due to be paid to the USPTO and various governmental patent agencies outside of the U.S. in several stages over the lifetime of the patents and/or applications. We employ an outside firm and rely on our outside counsel to pay these fees due to non-U.S. patent agencies. The USPTO and various non-U.S. governmental patent agencies require compliance with a number of procedural, documentary, fee payment and other similar provisions during the patent application process. We employ reputable law firms and other professionals to help us comply, and in many cases, an inadvertent lapse can be cured by payment of a late fee or by other means in accordance with the applicable rules. However, there are situations in which non-compliance can result in abandonment or lapse of the patent or patent application, resulting in partial or complete loss of patent rights in the relevant jurisdiction. In such an event, our competitors might be able to enter the market and this circumstance would have a material adverse effect on our business.

***We may become involved in lawsuits to protect or enforce our patents or other intellectual property, which could be expensive, time consuming and unsuccessful.***

Because competition in our industry is intense, competitors may infringe or otherwise violate our issued patents, patents of our licensors or other intellectual property. To counter infringement or unauthorized use, we may be required to file infringement claims, which can be expensive and time consuming. Any claims we assert against perceived infringers could provoke these parties to assert counterclaims against us alleging that we infringed their patents. In addition, in a patent infringement proceeding, a court may decide that a patent of ours is invalid or unenforceable, in whole or in part, construe the patent's claims narrowly or refuse to stop the other party from using the technology at issue on the grounds that our patents do not cover the technology in question. An adverse result in any litigation proceeding could put one or more of our patents at risk of being invalidated or interpreted narrowly. We may also elect to enter into license agreements in order to settle patent infringement claims or to resolve disputes prior to litigation, and any such license agreements may require us to pay royalties and other fees that could be significant. Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our confidential information could be compromised by disclosure.

***Third parties may initiate legal proceedings alleging that we are infringing their intellectual property rights, the outcome of which would be uncertain and could have a material adverse effect on the success of our business.***

Our commercial success depends upon our ability, and the ability of our collaborators, to develop, manufacture, market and sell EKTERLY (sebetralstat) and our other product candidates that receive regulatory approval and use our proprietary technologies without infringing the proprietary rights of third parties. There is considerable intellectual property litigation in the biotechnology and pharmaceutical industries. We may become party to, or threatened with, future adversarial proceedings or litigation regarding intellectual property rights with respect to our products and technology, including interference or derivation proceedings before the USPTO. Third parties may assert infringement claims against us based on existing patents or patents that may be granted in the future.

If we are found to infringe a third-party's intellectual property rights, we could be required to obtain a license from such third party to continue developing and marketing our products and technology. However, we may not be able to obtain any required license on commercially reasonable terms or at all. Even if we were able to obtain a license, it could be non-exclusive, thereby giving our competitors access to the same technologies licensed to us. We could be forced, including by court order, to cease commercializing the infringing technology or product. In addition, we could be found liable for monetary damages, including treble damages and attorneys' fees if we are found to have willfully infringed a patent. A finding of infringement could prevent us from commercializing our products or product candidates or force us to cease some of our business operations, which could materially harm our business. Claims that we have misappropriated the confidential information or trade secrets of third parties could have a similar negative impact on our business.

***If we are unable to protect the confidentiality of our trade secrets, our business and competitive position would be harmed.***

In addition to seeking patents for some of our technology, EKTERLY (sebetralstat) and other product candidates, we also rely on trade secrets, including unpatented know-how, technology and other proprietary information, to maintain our competitive position. We seek to protect these trade secrets, in part, by entering into non-disclosure and confidentiality agreements with parties who have access to them, such as our employees, corporate collaborators, outside scientific collaborators, contract manufacturers, consultants, advisors and other third parties. We seek to protect our confidential proprietary information, in part, by entering into confidentiality and invention or patent assignment agreements with our employees and consultants, however, we cannot be certain that such agreements have been entered into with all relevant parties. Moreover, to the extent we enter into such agreements, any of these parties may breach the agreements and disclose our proprietary information, including our trade secrets, and we may not be able to obtain adequate remedies for such breaches. Enforcing a claim that a party illegally disclosed or misappropriated a trade secret is difficult, expensive and time-consuming, and the

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outcome is unpredictable. In addition, some courts inside and outside the U.S. are less willing or unwilling to protect trade secrets. If any of our trade secrets were to be lawfully obtained or independently developed by a competitor, we would have no right to prevent them, or those to whom they communicate them, from using that technology or information to compete with us. If any of our trade secrets were to be disclosed to or independently developed by a competitor, our competitive position would be harmed.

**Risks Related to Employee Matters, Facilities, Managing Growth and Macroeconomic Conditions**

***Our future success depends on our ability to retain key executives and to attract, retain and motivate qualified personnel.***

We are highly dependent on the research and development, clinical and business development expertise of the principal members of our management, scientific and clinical team. Although we have entered into employment letter agreements with our executive officers, each of them may terminate their employment with us at any time. We do not maintain "key person" insurance for any of our executives or other employees. Recruiting and retaining qualified scientific, clinical, manufacturing, sales and marketing personnel will also be critical to our success. The loss of the services of any of our management team, other key employees or other scientific and medical advisors, and our inability to find suitable replacements, could impede the achievement of our research, development and commercialization objectives and seriously harm our ability to successfully implement our business strategy.

Furthermore, replacing executive officers and key employees may be difficult and may take an extended period of time because of the limited number of individuals in our industry with the breadth of skills and experience required to successfully develop, gain regulatory approval of and commercialize products. Competition to hire from this limited pool is intense, and we may be unable to hire, train, retain or motivate these key personnel on acceptable terms given the competition among numerous pharmaceutical and biotechnology companies for similar personnel. We also experience competition for the hiring of scientific and clinical personnel from universities and research institutions. In addition, we rely on consultants and advisors, including scientific and clinical advisors, to assist us in formulating our discovery and preclinical development and commercialization strategy. Our consultants and advisors may be employed by employers other than us and may have commitments under consulting or advisory contracts with other entities that may limit their availability to provide services to us. If we are unable to continue to attract and retain high quality personnel, our ability to pursue our growth strategy will be limited.

***We expect to continue to increase the size of our organization, and as a result, we may encounter difficulties in managing our growth, which could disrupt our operations.***

We have grown from 270 employees as of April 30, 2025 to 275 employees as of December 31, 2025, and anticipate continuing to add headcount as we further develop our selling, general and administrative capabilities. To manage our anticipated future growth, we must continue to implement and improve our managerial, operational and financial systems, expand our facilities and continue to recruit and train additional qualified personnel. Due to our limited financial resources and the limited experience of our management team in managing a company with such anticipated growth, we may not be able to effectively manage the expansion of our operations or recruit and train additional qualified personnel. The expansion of our operations may lead to significant costs and may divert our management and business development resources. Any inability to manage growth could delay the execution of our business plans or disrupt our operations.

***Business disruptions could seriously harm our future revenue and financial condition and increase our costs and expenses.***

Our operations, and those of our CROs and other contractors and consultants, could be subject to earthquakes, power shortages, telecommunications failures, water shortages, floods, hurricanes, typhoons, fires, extreme weather conditions, health epidemics and pandemics, and other natural or man-made disasters or business interruptions, for which we may not have insurance coverage. The occurrence of any of these business disruptions could seriously harm our operations and financial condition and increase our costs and expenses. We rely on third-party manufacturers to produce and process EKTERLY (sebetralstat) and our other product candidates. Our ability to obtain supplies of EKTERLY (sebetralstat) and our other product candidates could be disrupted if the operations of these suppliers are affected by a man-made or natural disaster or other business interruption.

***Actual or perceived failure to comply with privacy and data security laws, regulations and standards may cause our business to be materially adversely affected.***

We are, and may increasingly become, subject to various laws and regulations, as well as contractual obligations, relating to data privacy and security in the jurisdictions in which we operate. Personal privacy and data security have become significant issues in the U.S., Europe and in many other jurisdictions. The regulatory framework for privacy and security issues worldwide is rapidly evolving and is likely to remain uncertain for the foreseeable future. We maintain a large quantity of sensitive information, including confidential business information and patient health information in connection with our clinical development regarding the patients enrolled in our clinical trials. Any violations of these rules by us could subject us to civil and criminal penalties and adverse publicity and could harm our

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ability to initiate and complete clinical trials. We cannot provide assurance that current or future legislation will not prevent us from generating or maintaining personal data or that patients will consent to the use of their personal data (as necessary); either of these circumstances may prevent us from undertaking or publishing essential research and development, manufacturing, and commercialization, which could have a material adverse effect on our business, results of operations, financial condition, and prospects.

The myriad U.S. and international privacy and data breach laws are not always consistent, and compliance in the event of a widespread data breach is difficult and may be costly. In many jurisdictions, enforcement actions and consequences for noncompliance are also rising. For instance, companies that violate the EU's General Data Protection Regulation, including as implemented in the United Kingdom (collectively, the "GDPR"), can face fines of up to the greater of 20 million Euros under the E.U. GDPR / 17.5 million pounds under the U.K. GDPR, or 4% of their worldwide annual revenue, whichever is higher. In addition, we may be unable to transfer personal data from Europe and other jurisdictions to the U.S. or other countries due to data localization requirements or limitations on cross-border data flows. If there is no lawful manner for us to transfer personal data from the E.U., the U.K., or other jurisdictions to the U.S., or if the requirements for a legally-compliant transfer are too onerous, we could face significant adverse consequences, including the interruption or degradation of our operations, the need to relocate part of or all of our business or data processing activities to other jurisdictions (such as the E.U. and/or U.K.) at significant expense, increased exposure to regulatory actions, substantial fines and penalties, the inability to transfer data and work with partners, vendors and other third parties, and injunctions against our processing or transferring of personal data necessary to operate our business.

In addition to government regulation, privacy advocates and industry groups may propose new and different self-regulatory standards that either legally or contractually applies to us. Any inability to adequately address privacy and security concerns, even if unfounded, or comply with applicable privacy and data security laws, regulations and policies, could result in additional cost and liability to us, damage our reputation, and adversely affect our business. Additionally, all of these evolving compliance and operational requirements impose significant costs, such as costs related to organizational changes, implementing additional protection technologies, training employees and engaging consultants, which are likely to increase over time. In addition, such requirements may require us to modify our data processing practices and policies, distract management or divert resources from other initiatives and projects, all of which could have a material adverse effect on our business, financial condition, results of operations and prospects.

Enforcement actions and investigations by regulatory authorities related to data security incidents and privacy violations continue to increase. Any failure or perceived failure by us (or the third parties with whom we have contracted to process such information) to comply with applicable privacy and data security laws, policies or related contractual obligations, or any compromise of security that results in unauthorized access, use or transmission of, personal user information, could result in a variety of claims against us, including governmental enforcement actions and investigations, class action privacy litigation in certain jurisdictions and proceedings by data protection authorities, potentially amounting to significant compensation or damages liabilities, as well as associated costs, diversion of internal resources, and reputational harm. When such events occur, our reputation may be harmed, we may lose current and potential users and the competitive positions of our brand might be diminished, any or all of which could materially adversely affect our business, operating results, and financial condition. In addition, if our practices are not consistent or viewed as not consistent with legal and regulatory requirements, including changes in laws, regulations and standards or new interpretations or applications of existing laws, regulations and standards, we may become subject to audits, inquiries, whistleblower complaints, adverse media coverage, investigations, loss of export privileges, or severe criminal or civil sanctions, all of which may have a material adverse effect on our business, operating results, reputation, and financial condition.

***Our business and operations would suffer in the event of system failures, cyberattacks or a deficiency in our cybersecurity.***

Our internal computer systems and those of our CROs, third-party manufacturers, collaborators and other third parties on whom we rely are vulnerable to damage from computer viruses, unauthorized access, natural disasters, terrorism, war and telecommunication and electrical failures. Furthermore, we have little or no control over the security measures and computer systems of our third-party collaborators. The risk of a security breach or disruption, particularly through cyberattacks or cyber intrusion, including by computer hackers, foreign governments and cyber terrorists, has generally increased as the number, intensity, and sophistication of attempted attacks and intrusions from around the world have increased. In addition, the prevalent use of mobile devices that access confidential information increases the risk of data security breaches, which could lead to the loss of confidential information or other intellectual property. The costs to us or our CROs or other contractors or consultants we may utilize to mitigate network security problems, bugs, viruses, worms, cyberattacks, phishing attempts, malicious software programs and security vulnerabilities could be significant, and while we have implemented security measures to protect our data security and information technology systems, our efforts to address these problems may not be successful, and these problems could result in unexpected interruptions, delays, cessation of service and other harm to our business and our competitive position. For example, the loss of research data could delay development of our product candidates and the loss of clinical trial data from completed or ongoing or planned clinical trials, including our ongoing KONFIDENT-KID and KONFIDENT-S trials, could result in delays in our regulatory approval efforts and we may incur substantial costs to attempt to recover or reproduce the data. If any disruption or security breach resulted in a loss of or damage to our data or applications, or inappropriate

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disclosure of confidential or proprietary information, we could incur liability and/or the further development of our product candidates could be delayed or impaired.

In addition, such a breach may require notification to governmental agencies, the media or individuals pursuant to various federal and state privacy and security laws, if applicable, including HIPAA, as amended by HITECH, and its implementing rules and regulations, as well as regulations promulgated by the Federal Trade Commission and state breach notification laws. We would also be exposed to a risk of loss or litigation and potential liability under laws, regulations and contracts that protect the privacy and security of personal information. We would also be exposed to a risk of loss or litigation and potential liability, which could materially adversely affect our business, reputation, results of operations, financial condition and prospects. Activities outside of the U.S. implicate local and national data protection standards, impose additional compliance requirements and generate additional risks of enforcement for non-compliance. The GDPR and other data protection, privacy and similar national, state/provincial and local laws may restrict the access, use, storage, disclosure and other processing activities concerning patient health information abroad. Compliance efforts will likely be an increasing and substantial cost in the future.

In July 2023, the SEC adopted cybersecurity disclosure rules for public companies that require disclosure regarding cybersecurity risk management (including the board's role in overseeing cybersecurity risks, management's role and expertise in assessing and managing cybersecurity risks and processes for assessing, identifying and managing cybersecurity risks) in annual reports on Form 10-K. These cybersecurity disclosure rules also require the disclosure of material cybersecurity incidents on a Form 8-K, within four business days of determining an incident is material.

We also depend on our information technology infrastructure for communications among our personnel, contractors, consultants and vendors. System failures or outages could also compromise our ability to perform these functions in a timely manner, which could harm our ability to conduct business or delay our financial reporting.

**Risks Related to Ownership of Our Common Stock**

***Our stock price is volatile and our stockholders may not be able to resell shares of our common stock at or above the price they paid.***

The trading price of our common stock is highly volatile and could be subject to wide fluctuations in response to various factors, many of which are beyond our control. Factors affecting the market price of our common stock include those discussed in this "Risk Factors" section of this Transition Report on Form 10-KT and others such as:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•announcement of a strategic transaction or other significant events for us or our competitors;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•our decision to initiate a clinical trial or not to initiate a clinical trial;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•announcements of significant changes in our business or operations, including the decision not to pursue drug development programs;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•additions or departures of key personnel;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•adverse results or delays in clinical trials;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•changes in reimbursement or third-party coverage of treatments, or changes to treatment recommendations or guidelines applicable to treatment;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•announcements relating to collaboration partnerships or other strategic transactions undertaken by us;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•announcements of therapeutic innovations or new products by us or our competitors;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•adverse actions taken by regulatory agencies with respect to our clinical trials, manufacturing supply chain or sales and marketing activities;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•changes or developments in laws or regulations applicable to EKTERLY (sebetralstat) or any of our other product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•any adverse changes to our relationship with any manufacturers or suppliers;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the success of our testing and clinical trials;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the success of our efforts to acquire or license or discover additional product candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•any intellectual property infringement actions in which we may become involved;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•announcements concerning our competitors or the pharmaceutical industry in general;

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•achievement of expected product sales and profitability;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•manufacture, supply or distribution shortages;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•actual or anticipated fluctuations in our operating results;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•FDA or other regulatory actions affecting us or our industry or other healthcare reform measures in the U.S., the U.K. or the E.U.;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•changes in financial estimates or recommendations by securities analysts;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•trading volume of our common stock;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•sales of our common stock by us, our executive officers and directors or our stockholders in the future;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•general economic, industry and market conditions and overall fluctuations in the U.S. equity markets, including due to rising inflation and interest rates, changes in tariffs and trade restrictions and foreign exchange rates, labor shortages, supply chain issues, and global conflicts in Ukraine and the Middle East; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•other events or factors, many of which are beyond our control.

In addition, the stock markets in general, and the markets for pharmaceutical, biopharmaceutical and biotechnology stocks in particular, have experienced extreme volatility that may have been unrelated to the operating performance of the issuer. These broad market fluctuations may adversely affect the trading price or liquidity of our common stock. In the past, when the market price of a stock has been volatile, holders of that stock have sometimes instituted securities class action litigation against the issuer. If any of our stockholders were to bring such a lawsuit against us, we could incur substantial costs defending the lawsuit and the attention of our management would be diverted from the operation of our business, which could seriously harm our financial position. Any adverse determination in litigation could also subject us to significant liabilities.

***We incur significant costs as a result of operating as a public company, and our management devotes substantial time to compliance initiatives. We may fail to comply with the rules that apply to public companies, including Section 404 of the Sarbanes-Oxley Act of 2002, which could result in sanctions or other penalties that would harm our business.***

We incur significant legal, accounting and other expenses as a public company, including costs resulting from public company reporting obligations under the Exchange Act, and regulations imposing certain corporate governance practices. We must comply with numerous SEC and Nasdaq requirements relating to director independence, distributing annual and interim reports, stockholder meetings, approvals and voting, soliciting proxies, conflicts of interest and a code of conduct. Our management and other personnel have devoted, and will continue to need to devote, a substantial amount of time to ensure that we comply with all of these requirements. Moreover, the reporting requirements, rules and regulations increase our legal and financial compliance costs and make some activities more time-consuming and costly. Any changes we make to comply with these obligations may not be sufficient to satisfy our obligations as a public company on a timely basis, or at all. These reporting requirements, rules and regulations, coupled with the increase in potential litigation exposure associated with being a public company, could also make it more difficult for us to attract and retain qualified persons to serve on our Board of Directors ("Board") or board committees or to serve as executive officers, or to obtain certain types of insurance, including directors' and officers' insurance, on acceptable terms.

We are subject to Section 404 and the related rules of the SEC which generally require our management and independent registered public accounting firm to report on the effectiveness of our internal control over financial reporting. Section 404 requires an annual management assessment of the effectiveness of our internal control over financial reporting. As a smaller reporting company and a non-accelerated filer, we are entitled to rely on certain exemptions from various reporting requirements that are applicable to most public companies, including, but not limited to, the auditor attestation requirements of Section 404(b), which would require an attestation by our independent registered public accounting firm on the effectiveness of our internal controls over financial reporting. However, if in the future we become subject to the auditor attestation requirement of Section 404(b), our independent registered public accounting firm could detect problems that our management's assessment might not. Undetected material weaknesses in our internal control over financial reporting could lead to financial statement restatements and require us to incur the expense of remediation. In addition, if our independent registered public accounting firm is unable to express an opinion as to the effectiveness of our internal control over financial reporting, investors may lose confidence in the accuracy and completeness of our financial reports, and the market price of our common stock could be negatively affected.

During the course of the review and testing of our internal control for the purpose of providing the reports required by these rules, we may identify deficiencies and be unable to remediate them before we must provide the required reports. Furthermore, if we have a material weakness in our internal control over financial reporting, we may not detect errors on a timely basis and our financial statements may be materially misstated. We or our independent registered public accounting firm may not be able to conclude on an

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ongoing basis that we have effective internal control over financial reporting, which could harm our operating results, cause investors to lose confidence in our reported financial information and cause the trading price of our stock to fall. In addition, as a public company we are required to file accurate and timely quarterly and annual reports with the SEC under the Exchange Act. Any failure to report our financial results on an accurate and timely basis could result in sanctions, lawsuits, delisting of our shares from The Nasdaq Global Market or other adverse consequences that would materially harm our business.

***Shareholder Activism Could Cause Material Disruption to Our Business.***

Publicly traded companies have increasingly become subject to campaigns by activist investors advocating corporate actions such as actions related to environment, social and governance matters, financial restructuring, increased borrowing, dividends, share repurchases or even sales of assets or the entire company. Responding to proxy contests and other actions by such activist investors or others in the future could be costly and time-consuming, disrupt our operations and divert the attention of our Board and senior management from the pursuit of our business strategies, which could adversely affect our results of operations and financial condition.

***Provisions in our charter documents and under Delaware law could discourage a takeover that stockholders may consider favorable and may lead to entrenchment of management.***

Our amended and restated certificate of incorporation and amended and restated bylaws contain provisions that could significantly reduce the value of our shares to a potential acquirer or delay or prevent changes in control or changes in our management without the consent of our Board. The provisions in our charter documents include the following:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•a classified board of directors with three-year staggered terms, which may delay the ability of stockholders to change the membership of a majority of our Board;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•no cumulative voting in the election of directors, which limits the ability of minority stockholders to elect director candidates;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the required approval of at least 66 2/3% of the shares entitled to vote to remove a director for cause, and the prohibition on removal of directors without cause;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the ability of our Board to authorize the issuance of shares of preferred stock and to determine the price and other terms of those shares, including preferences and voting rights, without stockholder approval, which could be used to significantly dilute the ownership of a hostile acquirer;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the ability of our Board to alter our bylaws without obtaining stockholder approval;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the required approval of at least 66 2/3% of the shares entitled to vote at an election of directors to adopt, amend or repeal certain provisions of our bylaws and our amended and restated certificate of incorporation regarding the election and removal of directors;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•a prohibition on stockholder action by written consent, which forces stockholder action to be taken at an annual or special meeting of our stockholders;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the requirement that a special meeting of stockholders may be called only by or at the direction of our Board pursuant to a resolution adopted by a majority of the total number of directors that our Board would have if there were no vacancies, which may delay the ability of our stockholders to force consideration of a proposal or to take action, including the removal of directors; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•advance notice procedures that stockholders must comply with in order to nominate candidates to our Board or to propose matters to be acted upon at a stockholders' meeting, which may discourage or deter a potential acquirer from conducting a solicitation of proxies to elect the acquirer's own slate of directors or otherwise attempting to obtain control of us. In addition, these provisions would apply even if we were to receive an offer that some stockholders may consider beneficial.

We are also subject to the anti-takeover provisions contained in Section 203 of the Delaware General Corporation Law. Under Section 203, a corporation may not, in general, engage in a business combination with any holder of 15% or more of its capital stock unless the holder has held the stock for three years or, among other exceptions, the board of directors has approved the transaction.

***Claims for indemnification by our directors and officers may reduce our available funds to satisfy successful third-party claims against us and may reduce the amount of money available to us.***

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Our amended and restated certificate of incorporation and amended and restated bylaws provide that we will indemnify our directors and officers, in each case to the fullest extent permitted by Delaware law.

In addition, as permitted by Section 145 of the Delaware General Corporation Law, our amended and restated bylaws and our indemnification agreements that we have entered into with our directors and officers provide that:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•we will indemnify our directors and officers for serving us in those capacities or for serving other business enterprises at our request, to the fullest extent permitted by Delaware law. Delaware law provides that a corporation may indemnify such person if such person acted in good faith and in a manner such person reasonably believed to be in or not opposed to the best interests of the registrant and, with respect to any criminal proceeding, had no reasonable cause to believe such person's conduct was unlawful.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•we may, in our discretion, indemnify employees and agents in those circumstances where indemnification is permitted by applicable law.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•we are required to advance expenses, as incurred, to our directors and officers in connection with defending a proceeding, except that such directors or officers shall undertake to repay such advances if it is ultimately determined that such person is not entitled to indemnification.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•we will not be obligated pursuant to our amended and restated bylaws to indemnify a person with respect to proceedings initiated by that person against us or our other indemnitees, except with respect to proceedings authorized by our Board or brought to enforce a right to indemnification.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the rights conferred in our amended and restated bylaws are not exclusive, and we are authorized to enter into indemnification agreements with our directors, officers, employees and agents and to obtain insurance to indemnify such persons.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•we may not retroactively amend our amended and restated bylaw provisions to reduce our indemnification obligations to directors, officers, employees and agents.

***Our ability to use our net operating losses to offset future taxable income, if any, may be subject to certain limitations.***

Under the Tax Cuts and Jobs Act of 2017, ("TCJA"), net operating loss carryforwards ("NOLs") generated in taxable years beginning before January 1, 2018 may be carried forward up to twenty taxable years, and NOLs generated in taxable years beginning after December 31, 2017 will not expire, but will only be available to offset up to 80% of our taxable income in the taxable year (before taking into certain deductions). In addition, under Section 382 of the Internal Revenue Code of 1986, as amended, or the Code, a corporation that undergoes an "ownership change" (generally defined as a greater than 50-percentage-point cumulative change (by value) in the equity ownership of certain stockholders over a rolling three-year period) is subject to limitations on its ability to utilize its pre-change NOLs, to offset future taxable income. We have experienced ownership changes in the past that substantially limited our use of the NOLs available to us for U.S. federal income tax purposes and as a result we currently expect that approximately $76.7 million of our NOLs will go unutilized. If we undergo additional ownership changes (some of which changes may be outside our control), our ability to utilize our NOLs could be further limited by Section 382 of the Code. Our NOLs may also be impaired under state law and there may be periods in which certain states suspend our ability to use our NOLs. Accordingly, we may not be able to utilize a material portion of our NOLs against future taxable income. Furthermore, our ability to utilize our NOLs is conditioned upon our attaining profitability and generating U.S. federal taxable income. We have incurred net losses since our inception and anticipate that we will continue to incur significant losses for the foreseeable future; thus, we do not know whether or when we will generate the U.S. federal taxable income necessary to utilize our NOLs.

**General Risk Factors**

***Unstable or unfavorable global market and economic conditions may have adverse consequences on our business, financial condition and stock price.***

Our results of operations could be adversely affected by general conditions in the global economy and in the global financial markets. Challenging or uncertain economic conditions including those related to global epidemics, pandemic, or contagious diseases, regional geopolitical conflicts (including those in Ukraine and the Middle East), inflation, fluctuation in interest rates and foreign exchange rates, changes in tariffs and trade restrictions, uncertainty with respect to the federal debt ceiling and budget and government shutdowns related thereto, actual or perceived instability in the global banking system, disruptions in supply chains may adversely affect our general business strategy and stock price. In addition, a recession, depression or other sustained adverse market event could materially and adversely affect our business and the value of our common stock.

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If the current equity and credit markets deteriorate, it may make any necessary debt or equity financing more difficult, more costly and more dilutive. Failure to secure any necessary financing in a timely manner and on favorable terms could have a material adverse effect on our growth strategy, financial performance and stock price and could require us to delay or abandon development plans. There is also a risk that one or more of our current service providers, manufacturers and other partners may not survive these difficult economic times, which could directly affect our ability to attain our operating goals on schedule and on budget. While we do not have any clinical trial sites or operations in Ukraine or the Middle East, if the current conflict in Ukraine continues, there is the potential for trial sites in other eastern European countries to slow or stop enrollment, or to be unable to administer our clinical trials.

***Changes in tax laws or tax rulings could materially affect our financial position, results of operations and cash flows.***

The tax regimes we are subject to or operate under, including income and non-income taxes, are unsettled and may be subject to significant change. Changes in tax laws, regulations, or rulings, or changes in interpretations of existing laws and regulations, could materially affect our financial position and results of operations. For example, the TCJA made broad and complex changes to the Code, including changes to U.S. federal tax rates, additional limitations on the deductibility of interest, both positive and negative changes to the utilization of NOL carryforwards, allowing for the expensing of certain capital expenditures, and putting into effect the migration from a "worldwide" system of taxation to a more territorial system. Under the TCJA, research expenditures incurred by us in taxable years beginning after January 1, 2022 currently are subject to capitalization and amortization over five years in the case of domestic research and fifteen years in the case of foreign research. Future guidance from the IRS with respect to the Tax Act may affect us, and certain aspects of the TCJA could be repealed or modified in future legislation. The IRA, enacted on August 16, 2022, further amended the U.S. tax code, imposing a 15% minimum tax on "adjusted financial statement income" of certain corporations as well as an 1% excise tax on the repurchase or redemption of stock by certain publicly held corporations, beginning in 2023. In addition, it is uncertain if and to what extent various states will conform to the TCJA, the IRA or any newly enacted federal tax legislation.

As we continue to expand internationally, we will be subject to other jurisdictions around the world with increasingly complex tax laws, the application of which can be uncertain. The amount of taxes we pay in these jurisdictions could increase substantially as a result of changes in the applicable tax principles, including increased tax rates, new tax laws or revised interpretations of existing tax laws and precedents, which could have an adverse impact on our liquidity and results of operations. In addition, the authorities in several jurisdictions could review our tax returns and impose additional tax, interest and penalties, which could have an impact on us and on our results of operations. In addition, many countries in Europe and a number of other countries and organizations, have recently proposed or recommended changes to existing tax laws or have enacted new laws that could significantly increase our tax obligations in the countries where we do or intend to do business or require us to change the manner in which we operate our business.

***If securities or industry analysts do not publish research or reports about our business, or if they issue an adverse opinion regarding our stock, our stock price and trading volume could decline.***

The trading market for our common stock will be influenced by the research and reports that industry or securities analysts publish about us or our business. If any analysts who cover us issue an adverse regarding us, our business model, our intellectual property or our stock performance, or if our clinical trials and operating results fail to meet the expectations of analysts, our stock price may decline. If any of these analysts cease coverage of us or fail to publish reports on us regularly, we could lose visibility in the financial markets, which in turn could cause our stock price or trading volume to decline.

***We do not currently intend to pay dividends on our common stock, and, consequently, our stockholders' ability to achieve a return on their investment will depend on appreciation in the price of our common stock.***

We do not currently intend to pay any cash dividends on our common stock for the foreseeable future. We currently intend to invest our future earnings, if any, to fund our growth. Therefore, our stockholders are not likely to receive any dividends on their common stock for the foreseeable future. Since we do not intend to pay dividends, our stockholders' ability to receive a return on their investment will depend on any future appreciation in the market value of our common stock. There is no guarantee that our common stock will appreciate or even maintain the price at which our holders have purchased it.

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**Item 1B. Unresolved Staff Comments.**

None.

**Item 1C. Cybersecurity.**

**Risk Management & Strategy:**

We have developed and implemented a cybersecurity risk management program intended to protect the confidentiality, integrity, and availability of our critical systems and information with the aim to continually improve security to keep pace with the evolving cyber threat landscape.

Our strategy toward managing cybersecurity risk in our business is informed by and aligned with the core principles and methods outlined within the National Institute of Standards and Technology ("NIST") Cybersecurity Framework, while including elements of the International Organization for Standardization's ISO/IEC 27001 publication and industry best practices. This does not mean that we seek to meet any particular technical standards, specifications, or requirements, only that we use the NIST CSF or ISO 27001, and other resources as guides to help us identify, assess, and manage cybersecurity risks relevant to our business. Inclusive in these frameworks and our program are components for continuous improvement through feedback, self-review and external testing.

Our cybersecurity program leverages people, processes and technology to identify and respond to cybersecurity threats in a timely manner. As part of our cybersecurity program, we maintain various protections designed to safeguard against cyberattacks, including but not limited to firewalls, endpoint detection and response, anti-malware, immutable backups, multi-factor authentication schemes, data encryption, and security system information event monitoring to detect and respond quickly to any emergent threats. In addition, we periodically conduct intrusion and penetration testing through third parties to evaluate our cybersecurity response capability.

We also maintain a security awareness program with mandatory semi-annual training content and perform automated e-mail based phishing tests. Results of testing help to inform and provide continuous improvement of our security awareness training materials, approaches and strategies. We routinely communicate with employees about the potential for cybersecurity threats, including the latest adversary trends and social engineering techniques, and how to avoid them, and the best use of our established communications channels.

We perform a formal cybersecurity risk assessment each year. As part of our risk assessment, we consider the potential for cybersecurity threats, including but not limited to interruptions, outages and breaches to our operational and financial systems. We have policies, processes, internal controls and tools to assess, identify, and manage material risks from potential cybersecurity threats. We engage third-party service providers, with significant information technology and cybersecurity experience, to assist with designing, implementing and managing our information technology infrastructure and cybersecurity program.

In addition, we perform diligence on our strategic vendors and prospective vendors regarding their cybersecurity posture. Although we continue to invest in this diligence regarding our critical vendors, our control over the security posture of our vendors is limited, and there can be no assurance that we can prevent or significantly mitigate the risk of any compromise or failure in the information assets owned or controlled by such vendors.

**Governance:**

The Vice President of IT is responsible for implementing and maintaining the information security program. The Vice President of IT role is currently held by an individual who has over 20 years of experience in enterprise-level IT operations and management, cybersecurity operations and management and IT/Cyber architecture and strategy. The Vice President of IT reports to our Chief Financial Officer ("CFO"), who together are responsible for coordinating information security risk assessments and overseeing periodic testing of our cybersecurity controls. Our CFO meets with the Audit Committee of our Board periodically for the Audit Committee to provide guidance on the prioritization of risk remediation and ongoing implementation of cybersecurity improvements across our organization.

The Vice President of IT engages with our managed service providers to proactively address emerging threats based on industry reports and respond to any threats and incidents. Our managed service providers also provide continuous support and coverage of our information technology infrastructure. We utilize threat intelligence services from multiple organizations, allowing us to proactively respond to emerging cybersecurity threats.

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Our Board considers cybersecurity risk part of its risk oversight function and has delegated to the Audit Committee of our Board's oversight of cybersecurity and other information technology risks. The Audit Committee oversees management's implementation of our cybersecurity risk management program. The relevant members of management regularly update the Audit Committee with respect to cybersecurity risk, also on an ad-hoc basis as necessary, regarding any material cybersecurity incidents and any incidents with lesser impact potential. The Audit Committee periodically reports to the full Board regarding its activities, including those related to cybersecurity.

As of the date of this report, we are not aware of any material risks from cybersecurity threats that have materially affected or are reasonably likely to materially affect the Company, including our business strategy, results of operations, or financial condition. However, we are subject to various cybersecurity risks that may adversely affect our business, financial condition and results of operations. See Item 1A. Risk Factors, "*Our business and operations would suffer in the event of system failures, cyberattacks or a deficiency in our cybersecurity*" for further discussion.

**Item 2. Properties.**

Details of our principal properties as of December 31, 2025, are provided below:

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| | | | |
|:---|:---|:---|:---|
| **Location** | **Function** | **Square<br>footage** | **Initial Lease<br>Term End<br>Date** |
| Framingham, MA | Corporate headquarters | 32110 | 2035 |
| Cambridge, MA | Office space - subleased to third-party | 8300 | 2028 |
| Salt Lake City, UT | Office space | 6200 | 2032 |
| Cambridge, MA | Laboratory facility | 500 | 2028 |
| Porton Down, U.K. | Office space and laboratory facility | 13400 | 2028 |
| Dublin, Ireland | Office space | 1100 | 2028 |
| Tokyo, Japan | Office space | 237 | 2026 |
| Zug, Switzerland | Office space | 7200 | 2030 |
| Berlin, Germany | Office space | 215 | 2026 |

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We believe that our current and future facilities will be adequate for the foreseeable future. Refer to Note 12, *Leases,* in the Notes to the Consolidated Financial Statements for further details on the Company's leases.

**Item 3. Legal Proceedings.**

From time to time, we may become involved in various lawsuits and legal proceedings which arise in the ordinary course of business. We are currently not aware of any such legal proceedings or claims that we believe will have a material adverse effect on our business, financial condition or operating results.

**Item 4. Mine Safety Disclosures.**

Not Applicable.

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**PART II**

**Item 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities.**

**Market Information**

Our common stock is traded on the Nasdaq Global Market under the symbol "KALV."

**Holders**

As of March 18, 2026, there were 15 holders of record of our common stock. The actual number of holders is greater than this number of record holders and includes stockholders who are beneficial owners but whose shares are held in street name by brokers and other nominees.

**Dividends**

We have never declared or paid cash dividends on our capital stock. We do not expect to pay dividends on our common stock for the foreseeable future. Instead, we anticipate that all of our earnings, if any, will be used for the operation and growth of our business. Any future determination to declare cash dividends would be subject to the discretion of our Board and would depend upon various factors, including our results of operations, financial condition and capital requirements, restrictions that may be imposed by applicable law and our contracts and other factors deemed relevant by our Board.

**Recent Sales of Unregistered Securities**

None.

**Purchases of Equity Securities by the Issuer and Affiliated Purchasers**

None.

**Item 6. Reserved.**

Not applicable.

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**Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations.**

*The following discussion and analysis should be read in conjunction with our audited consolidated financial statements and the related notes that appear elsewhere in this Transition Report on Form 10-KT. This discussion contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the "Securities Act"), and Section 21E of the Exchange Act. These statements are often identified by the use of words such as "may," "will," "expect," "believe," "anticipate," "intend," "could," "estimate," or "continue," and similar expressions or variations. These statements are based on the beliefs and assumptions of our management based on information currently available to management, reflecting our current expectations that involve risks and uncertainties. Actual results and the timing of certain events may differ materially from those discussed or implied in these forward-looking statements due to a number of factors, including, but not limited to, those set forth in the section entitled "Risk Factors" and elsewhere in this Transition Report on Form 10-KT. You should review the risk factors for a more complete understanding of the risks associated with an investment in our securities. For further information regarding forward-looking statements, please refer to the "Special Note Regarding Forward-Looking Statements" at the beginning of Part I of this Transition Report on Form 10-KT. Our fiscal year end is December 31, and references throughout Item 7 to a given fiscal year are to the eight months ended on that date.*

**Management Overview**

We are a global pharmaceutical company dedicated to delivering life-changing oral therapies for individuals affected by rare diseases with significant unmet needs. On July 3, 2025, we received approval from the U.S. Food and Drug Administration (the "FDA") for our lead product candidate, EKTERLY<sup>®</sup> (sebetralstat), for the treatment of acute attacks of hereditary angioedema ("HAE") in adults and adolescents aged 12 years and older. EKTERTLY is the first and only oral on-demand therapy for HAE. Following FDA approval, EKTERLY received marketing authorization from the European Medicines Agency EMA, the U.K.'s Medicines and Healthcare products Regulatory Agency (MHRA, the Swiss Agency for Therapeutic Products, Japan's Ministry of Health, Labour and Welfare as well as regulatory agencies in Australia and Singapore. We currently market EKTERLY in the U.S. and Germany and have established commercialization partnerships for Japan, Canada, Brazil, Argentina, Colombia, and Mexico. We are incorporated in the State of Delaware and headquartered in Framingham, Massachusetts.

**Royalty Financing**

In November 2024, we, as guarantor, and KalVista Pharmaceuticals Limited, our wholly owned subsidiary (the "Subsidiary"), entered into a Purchase and Sale Agreement (the "PSA") with DRI Healthcare Acquisitions LP, an affiliate of DRI Healthcare Trust, later replaced with DRI UK LP ("DRI"), pursuant to which the Subsidiary sold to DRI the right to receive payments from the Subsidiary at a tiered percentage of future worldwide net sales of sebetralstat in exchange for an upfront payment of $100.0 million. Pursuant to the PSA, because sebetralstat was approved prior to October 1, 2025, the Subsidiary had the option to receive a one-time payment of $22.0 million, which it exercised in July 2025. As a result of receiving this one-time payment from DRI, the royalty rate on the first sales tranche of net sales up to and including $500.0 million was increased from 5.00% to 6.00% and the sales-based milestone amount payable if annual worldwide net sales of EKTERLY meet or exceed $550.0 million in any calendar year before January 1, 2031 was increased from $50.0 million to $57.0 million. See Note 14, *Purchase and Sale Agreement*, of the financial statements included in the Transition Report on Form 10-KT for additional details regarding the PSA.

**License, Supply and Distribution Agreement**

***Kaken Agreement***

In April 2025, we entered into a License, Supply and Distribution Agreement (the "Kaken Agreement") with Kaken Pharmaceutical Co., Ltd. ("Kaken"), pursuant to which we have licensed exclusive commercialization rights in Japan to Kaken for sebetralstat (the "Licensed Product") in exchange for a non-refundable upfront payment of $11.0 million, potential regulatory and sales milestone payments totaling approximately $13.0 million, and effective royalty payments in the mid-twenties that shall be payable for each unit of Licensed Product, which will reflect a percentage of the Japanese National Health Insurance price of the Licensed Product.

**Change in fiscal year**

On March 13, 2025, our Board of Directors approved a change to our fiscal year end from April 30 to December 31, effective December 31, 2025, resulting in an eight-month transition period from May 1, 2025 to December 31, 2025.

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**Financial Overview**

***Revenue***

Following FDA approval of EKTERLY on July 3, 2025, we began generating revenue from the sale of products in the U.S. We also generate product revenue from commercial sales in Germany, following approval received in October 2025.

***Cost of Revenue***

Cost of revenue consists of manufacturing costs and costs associated with the distribution of EKTERLY in the U.S. and Germany, following our receipt of the necessary regulatory approvals. Prior to receiving regulatory approval for EKTERLY in July 2025, we expensed such manufacturing and material costs as research and development expenses.

***Research and Development Expenses***

Research and development expenses primarily consist of costs associated with our research activities and preclinical and clinical development of product candidates. We contract with clinical research organizations to manage our clinical trials under agreed upon budgets for each study, with oversight by our clinical program managers. All research and development costs are expensed as incurred.

Costs for certain research and development activities, such as manufacturing development activities and clinical studies are recognized based on the contracted amounts, as adjusted for the percentage of work completed to date. Payments for these activities are based on the terms of the contractual arrangements, which may differ from the pattern of costs incurred, and are reflected on the consolidated balance sheets as prepaid or accrued expenses. We defer and capitalize non-refundable advance payments made for research and development activities until the related goods are delivered or the related services are performed.

We expect to continue to spend resources on research and development activities for the foreseeable future as we continue to conduct clinical development and toxicology studies. Product candidates in later stages of clinical development generally have higher development costs than those in earlier stages of clinical development, primarily due to the increased size and duration of later-stage clinical trials, additional drug manufacturing requirements, and later stage toxicology studies such as carcinogenicity studies. The process of conducting preclinical studies and clinical trials necessary to obtain regulatory approval is costly and time consuming. The probability of success for each product candidate is affected by numerous factors, including preclinical data, clinical data, competition, manufacturing capability and commercial viability. Accordingly, we may never succeed in achieving regulatory approval for any of our other product candidates.

Completion dates and costs for clinical development programs as well as our research program can vary significantly for each current and future product candidate and are difficult to predict. As a result, we cannot currently estimate with any degree of certainty the costs associated with development of our product candidates. We anticipate making determinations as to which programs and product candidates to pursue and how much funding to direct to each program and product candidate on an ongoing basis in response to the scientific success of early research programs, results of ongoing and future clinical trials, our ability to enter into collaborative agreements with respect to programs or potential product candidates, as well as ongoing assessments as to the commercial potential of each current or future product candidate.

***Selling, General and Administrative Expenses***

Selling, general and administrative expenses consist primarily of employee-related expenses, including salaries, benefits and equity-based compensation expenses for personnel, costs of establishing a commercial organization to sell, market and distribute our product candidates and costs in executive, finance, legal, medical affairs, information technology, human resources, investor relations, and commercial functions. Other significant selling, general and administrative expenses include facility costs not otherwise included in research and development expenses, legal fees relating to patent and corporate matters and fees for accounting, consulting services, and corporate expenses. We expect selling, general and administrative expenses to increase as we continue to invest in building the infrastructure to support the commercial sales of EKTERLY.

***Other (Expense) Income***

Other (expense) income, net consists of interest income earned on bank accounts and marketable securities, interest expense from the royalty liability and convertible notes, change in fair value of the derivative liability, research and development tax credits from the United Kingdom tax incentive programs, realized gains and losses from marketable securities and realized and unrealized exchange rate gains and losses on cash held in foreign currencies and transactions settled in foreign currencies.

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***Income Taxes***

We historically have incurred net losses and have had no corporate tax liabilities. We file U.S. Federal tax returns, as well as certain state returns. We also file returns in the U.K. Under the U.K. government's research and development tax incentive scheme, we have incurred qualifying research and development expenses and filed claims for research and development tax credits in accordance with the relevant tax legislation. The research and development tax credits are paid out to us in cash and reported as other income. For tax purposes, we capitalize and subsequently amortize all allowable R&D expenditures over five years for research activities conducted in the U.S. and over fifteen years for research activities conducted outside of the U.S.

**Critical Accounting Estimates**

Our management's discussion and analysis of our financial condition and results of operations is based on our financial statements, which we have prepared in accordance with generally accepted accounting principles in the U.S. ("U.S. GAAP"). The preparation of our financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of our financial statements and the reported revenue and expenses during the reported periods. We evaluate these estimates and judgments, including those described below, on an ongoing basis. We base our estimates on historical experience, known trends and events, contractual milestones and various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. See also Note 2, *Summary of Significant Accounting Policies,* to our Notes to Consolidated Financial Statements included in this Transition Report on Form 10-KT, which discusses the significant assumptions used in applying our accounting policies. Those accounting policies and estimates that we deem to be critical are as follows:

*Liability Related to the Royalty Obligation*

In November 2024, we entered into a royalty financing with DRI to monetize a portion of our future EKTERLY (sebetralstat) royalties in exchange for an upfront payment of $100.0 million. We accounted for the royalty financing arrangement as debt due to it being probable at the time of entering into the arrangement that we would have commercial sales of EKTERLY and our continuing involvement in the future sales of EKTERLY. We calculated the liability related to the sale of future royalties, effective interest rate and the related interest expense using our current estimate of anticipated future royalty payments under the arrangement, which we reassess quarterly based on the current net sales forecasts utilizing the prospective method. The amount that DRI will receive under the agreement is based on sales of EKTERLY (sebetralstat). As such, the repayment amounts that we estimate related to projections of future sebetralstat revenues contain subjective estimation, which we believe could lead to changes in estimates in the future. If there is a material change in our estimate, we will prospectively adjust the timing and amount of payments due, effective interest rate and the related interest expense.

Under the PSA, the Subsidiary has the option (the "Buy-Back Option") to repurchase future Revenue Participation Rights (as defined in the PSA) at any time until December 31, 2026 either (i) in the event of a change of control of the Subsidiary or (ii) in the event that confirmation that payment of the Revenue Participation Rights will not receive certain tax treatment has not been obtained. Additionally, DRI has an option (the "Put Option") to require the Subsidiary to repurchase future Revenue Participation Rights in the event of a change of control of the Subsidiary exercisable until December 31, 2026. The Buy-Back and Put Options are considered embedded derivatives requiring bifurcation as a single compound derivative instrument. The Company estimated the fair value of the derivative liability using a "with-and-without" method. The with-and-without methodology involves valuing the whole instrument on an as-is basis and then valuing the instrument without the individual embedded derivative. The difference between the entire instrument with the embedded derivative compared to the instrument without the embedded derivative is the fair value of the derivative liability. The initial fair value allocated to the derivative liability was recorded against the royalty obligation as a debt discount, which is being amortized in interest expense on the consolidated statement of operations over the expected term using the effective interest method. The embedded derivative is subsequently remeasured at fair value each reporting period.

There are numerous factors, most of which are not within our control, that could materially impact the amount and timing of future royalty payments and could result in changes to our estimate of future royalty payments to DRI. Such factors include, but are not limited to, the expected commercial sales of EKTERLY (sebetralstat), competing products or other significant events. These factors and other events or circumstances could result in reduced royalty payments from expected sales of EKTERLY (sebetralstat), which would result in a reduction of our royalty revenue and interest expense over the life of the agreement. Conversely, if sales of EKTERLY (sebetralstat) are more than amounts we estimated, the royalty revenue payments and non-cash interest expense we record would be greater over the life of the arrangement.

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*Product Revenue*

To determine revenue recognition for arrangements within the scope of ASC Topic 606, *Revenue from Contracts with Customers*, we perform the following five steps: (1) identify the contracts with a customer; (2) identify the performance obligations in the contract; (3) determine the transaction price; (4) allocate the transaction price to the performance obligations in the contract; and (5) recognize revenue when or as we satisfy a performance obligation.

Net revenue from sales of EKTERLY is recorded at net selling price (transaction price), which includes reserves for variable consideration such as estimated government rebates, patient assistance programs, prompt payment discounts, distribution fees, and product returns. These estimated reserves, representing our best estimates of the amount of consideration to which we expect to be entitled based on the terms of the applicable contracts and statutory requirements. The related reserves are recorded as reductions of accounts receivable when no payments are required of us or a current liability when payment is expected. Actual amounts of consideration may differ from our estimates. If actual results vary from estimates, these estimates are adjusted, which would affect net product revenue and earnings in the period such variances become known.

*Rebates*. We estimate rebates we will provide to commercial payors and governmental programs, including Medicaid and Medicare, and deduct these estimated amounts from total gross product revenues at the time the revenues are recognized, resulting in a reduction of product revenue and the establishment of a current liability. Governmental rebate reserves are calculated based on the terms of applicable government statutory requirements and estimated product utilization by eligible patients.

*Patient assistance*. We provide financial assistance programs such as co-pay assistance to eligible commercially insured patients to help reduce out-of-pocket costs. The calculation is based on claims processed during a given period. Reserves for these programs are recorded in the same period in which the related revenue is recognized, resulting in a reduction of product revenue and establishment of a current liability.

*Prompt payment discounts*. We estimate credits to be granted to specialty pharmacies that remit payment within established incentive periods. These amounts are recorded as reductions of product revenue and accounts receivable at the time the related revenue is recognized.

*Distribution fees*. Distribution fees relate to payments made to customers in the distribution channel that provide inventory management, data reporting and product distribution services. These fees are generally recorded as a reduction of product revenue and a current liability at the time related revenues are recognized. If the services provided by the customer are distinct from the sale of product, the payments are instead classified as selling, general and administrative expenses.

*Product returns*. Reserves for estimated product returns are established in the period that the related revenue is recognized and recorded as reductions of both product revenue and accounts receivable.

**Results of Operations**

This section of this Transition Report on Form 10-KT generally discusses the eight-month transition period ended December 31, 2025 compared with the same period of the period year, which is unaudited, and year-to-year comparisons between the twelve-month periods ended April 30, 2025 and 2024.

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***Eight-Month Transition Period Ended December 31, 2025 Compared With the Eight-Month Period Ended December 31, 2024 (unaudited)***

The table below summarizes the key components of our results of operations for the periods indicated (in thousands):

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Eight Months Ended<br>December 31,** | **Change** | **Change** |
|  | **2025** | **2024<br>(unaudited)** | $**%** | **%** |
| Product revenue, net | $49078 | $— |  | 100% |
| Operating expenses: |  |  |  |  |
| &nbsp;&nbsp;Cost of revenue | 3081 |  |  | 100% |
| &nbsp;&nbsp;Research and development | 33371 | 52166 |  | -36% |
| &nbsp;&nbsp;Selling, general and administrative | 124663 | 64864 |  | 92% |
| &nbsp;&nbsp;&nbsp;&nbsp;Total operating expenses | 161115 | 117030 |  | 38% |
| Operating loss | (112037) | (117030) |  | -4% |
| &nbsp;&nbsp;&nbsp;&nbsp;Other income | 1480 | 6576 |  | -77% |
| Loss before income tax (benefit) expense | $(110557) | $(110454) |  | 0% |

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*Product revenue, net*. Product revenue, net was $49.1 million for the eight-months ended December 31, 2025 compared with $0 in the same period in the prior year as a result of our commercial launch of EKTERLY in the U.S. in July 2025, following the FDA approval of EKTERLY on July 3, 2025, and in Germany in the fourth quarter of 2025.

*Cost of revenue*. Cost of revenue was $3.1 million for the eight-months ended December 31, 2025 compared with $0 in the same period in the prior year and primarily consisted of manufacturing costs and costs associated with the distribution of EKTERLY in the U.S. and Germany following regulatory approvals.

*Research and development expenses*. Research and development expenses decreased by $18.8 million for the eight-months ended December 31, 2025 compared with the same period in the prior year. The decrease was primarily due to decreases in spending on sebetralstat of $13.6 million, personnel costs of $1.1 million, and other R&D activities of $4.0 million.

The table below summarizes research and development expenses by major programs or categories for the periods indicated (in thousands):

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Eight Months Ended<br>December 31,** | **Change** | **Change** |
|  | **2025** | **2024<br>(unaudited)** | $**%** | **%** |
| &nbsp;&nbsp;Sebetralstat | $8556 | $22172 |  | -61% |
| &nbsp;&nbsp;Personnel | 19228 | 20365 |  | -6% |
| &nbsp;&nbsp;Other R&D | 5587 | 9629 |  | -42% |
| Total research and development | $33371 | $52166 |  | -36% |

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Other R&D costs decreased primarily due to decreased spending on preclinical activities and a transition to recognizing expense associated with sebetralstat pre-commercial awareness within selling, general and administrative expenses. We anticipate these costs to remain approximately at current levels as the KONFIDENT-S and KONFIDENT-KID trials are ongoing.

*Selling, general and administrative expenses*. Selling, general and administrative expenses increased by $59.8 million for the eight-months ended December 31, 2025 compared with the same period in the prior year primarily due to increases in personnel costs of $36.2 million, marketing and advertising costs of $6.0 million, professional fees of $5.1 million, commercial strategy costs of $4.1 million, medical related expenses of $2.7 million, and other administrative expenses of $5.7 million. We anticipate that these expenses will continue at or above current levels to support the commercialization of EKTERLY.

*Other income*. Other income decreased by $5.1 million for the eight-months ended December 31, 2025 compared with the same period in the prior year primarily due to an increase in interest expense of $11.1 million offset by a change in the fair value of the derivative liability of $3.8 million and an increase in interest income of $1.7 million attributable to higher average cash and investment balances and the royalty and convertible notes transactions.

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***Twelve Months Ended April 30, 2025 Compared to the Twelve Months Ended April 30, 2024***

The table below summarizes the key components of our results of operations for the periods indicated (in thousands):

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** | **Change** | **Change** |
|  | **2025** | **2024** | $**%** | **%** |
| Operating expenses: |  |  |  |  |
| &nbsp;&nbsp;Research and development | 71709 | 86167 |  | -17% |
| &nbsp;&nbsp;Selling, general and administrative | 116286 | 54278 |  | 114% |
| &nbsp;&nbsp;&nbsp;&nbsp;Total operating expenses | 187995 | 140445 |  | 34% |
| Operating loss | (187995) | (140445) |  | 34% |
| &nbsp;&nbsp;&nbsp;&nbsp;Other income | 7943 | 13801 |  | -42% |
| Loss before income tax (benefit) expense | $(180052) | $(126644) |  | 42% |

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*Revenue*. No revenue was recognized in the twelve months ended April 30, 2025 or 2024.

*Research and development expenses*. Research and development expenses were $71.7 million in the twelve months ended April 30, 2025 compared to $86.2 million in the prior year. The decrease of $14.5 million was primarily due to decreases in R&D spending on sebetralstat of $7.3 million and personnel costs of $2.7 million as our focus shifted to building out the commercialization of sebetralstat pending FDA approval. In addition, the decrease was further driven by a decline in other R&D activities of $4.4 million. The impact of exchange rate changes on research and development expenses was an increase of approximately $0.9 million compared to the prior year, which is reflected in the figures above.

The table below summarizes research and development expenses by major programs or categories for the periods indicated (in thousands):

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** | **Change** | **Change** |
|  | **2025** | **2024** | $**%** | **%** |
| &nbsp;&nbsp;Sebetralstat | $29211 | $36544 |  | -20% |
| &nbsp;&nbsp;Personnel | 29481 | 32229 |  | -9% |
| &nbsp;&nbsp;Other R&D | 13017 | 17394 |  | -25% |
| Total research and development | $71709 | $86167 |  | -17% |

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Other R&D costs decreased primarily due to decreased spending on preclinical activities and a transition to recognizing expense associated with sebetralstat pre-commercial awareness to Selling, general and administrative expenses, as the nature of the expenses no longer represented research activities.

*Selling, general and administrative expenses*. Selling, general and administrative expenses were $116.3 million in the twelve months ended April 30, 2025 compared to $54.3 million in the prior year. The increase of $62.0 million was primarily due to increases of $25.5 million in employee-related expenses primarily from the build out of the commercial and sales organization, $19.2 million in commercial expenses, $8.5 million in sebetralstat medical awareness expenses, $3.9 million in professional fees and $4.8 million in other administrative expenses.

*Other (expense) income*. Other income was $7.9 million for the twelve months ended April 30, 2025 compared to $13.8 million in the prior year. The decrease of $5.9 million was primarily due to a decrease of $3.3 million in income from research and development tax credit as a result of less qualified R&D spending, a $5.8 million increase in interest expense from the royalty obligation and a $1.7 million expense recorded on the change in fair value of the derivative liability. The decrease was partially offset by an increase of $2.5 million in interest income attributable to higher average cash and investment balances, and foreign currency exchange rate gains of $2.3 million from transactions denominated in foreign currencies in our foreign subsidiaries and other increases.

**Liquidity and Capital Resources**

The eight-month period ended December 31, 2025 is the first period in which we generated revenue from product sales following FDA approval of EKTERLY on July 3, 2025. For the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024, we incurred losses and cash outflows from operating activities. As of December 31, 2025, we had an accumulated deficit of $762.7 million and cash, cash equivalents and marketable securities totaling $300.2 million. We have funded operations primarily through the issuance of capital stock, pre-funded warrants, convertible debt, and royalty financing. Our working capital, primarily cash and marketable securities, is anticipated to be sufficient to fund our operations for at least the next twelve months from the date these

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consolidated financial statements are issued.

***Sources of Liquidity***

In July 2024, we filed a registration statement on Form S-3 (the "Registration Statement") with the U.S. Securities and Exchange Commission (the "SEC"), pursuant to which we may offer and sell securities having an aggregate public offering price of up to $300 million.

In November 2024, we entered into an underwriting agreement with Jefferies LLC, BofA Securities, Inc., TD Securities (USA) LLC and Stifel Nicolaus & Company, Incorporated, as the representatives of several underwriters to sell an aggregate of 5,500,000 shares of our common stock at an offering price of $10.00 per share (the "November 2024 Offering") pursuant to the Registration Statement. The net proceeds from the November 2024 Offering, after deducting expenses, were approximately $51.3 million.

Also in November 2024, we entered into a securities purchase agreement with DRI to sell an aggregate of 500,000 shares of our common stock at a price of $10.00 per share in a private placement. The net proceeds from the private placement, after deducting placement agent fees and other expenses, were approximately $4.7 million.

In July 2025, we received a one-time cash payment of $22.0 million as a result of obtaining FDA approval of sebetralstat before October 1, 2025, pursuant to the PSA with DRI.

In April 2025, we entered into the Kaken Agreement pursuant to which we have licensed exclusive commercialization rights in Japan to Kaken Pharmaceutical Co., Ltd. for the Licensed Product (as defined in the Kaken Agreement) in exchange for a non-refundable upfront payment of $11.0 million, potential regulatory and sales milestone payments totaling approximately $13.0 million and effective royalty payments in the mid-twenties percentage that shall be payable for each unit of revenue of Licensed Product that we supply, which reflect a percentage of the Japanese National Health Insurance price of the Licensed Product. In June 2025, we received the upfront payment of $11.0 million.

In July 2025, we entered into a sales agreement with TD Securities (USA) LLC ("TD Cowen") pursuant to which we may offer and sell, from time to time at our sole discretion, shares of our common stock having an aggregate offering price of up to $100.0 million (the "ATM Shares"), under the prospectus supplement, dated July 10, 2025, to the Registration Statement, through TD Cowen as sales agent. As of December 31, 2025, we have not offered or sold any ATM Shares pursuant to the Registration Statement.

In September 2025, we entered into an indenture agreement with U.S. Bank Trust Company, National Association, as trustee, to issue $143.8 million aggregate principal amount of convertible senior notes (the "Notes"). The Notes are senior, unsecured obligations of the Company and bear interest at a rate of 3.25% per year, payable semi-annually in arrears on April 1 and October 1 of each year, beginning on April 1, 2026. The net proceeds were $139.1 million after deducting the discount and offering expenses of $4.7 million. The effective interest rate on the Notes is 3.85%.

***Cash Flows***

The table below summarizes the net cash flow activity for the periods indicated (in thousands):

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Eight Months Ended<br>December 31,** | **Change** | **Change** |
|  | **2025** | **2024<br>(unaudited)** | $**%** | **%** |
| &nbsp;&nbsp;Cash used in operating activities | $(81621) | $(97784) |  | -17% |
| &nbsp;&nbsp;Cash provided by investing activities | 18684 | 94233 |  | -80% |
| &nbsp;&nbsp;Cash provided by financing activities | 162641 | 154755 |  | 5% |
| &nbsp;&nbsp;Effect of exchange rate changes | (1831) | (17) |  | 10671% |
| Increase in cash, cash equivalents and restricted cash | $97873 | $151187 |  | -35% |

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*Cash used in operating activities*

Cash used in operating activities was $81.6 million for the eight-months ended December 31, 2025 and primarily consisted of a net loss of $109.5 million adjusted for stock-based compensation of $11.4 million, interest expense and issuance cost amortization associated with the sale of future royalties and interest expense associated with the convertible notes of $11.8 million, and other changes in net working capital. Cash used in operating activities was $97.8 million for the eight-months ended December 31, 2024 and primarily consisted of a net loss of $110.5 million adjusted for stock-based compensation of $7.8 million, an increase in accrued expenses and other liabilities and the research and development tax credit receivable of $12.5 million and $3.0 million, respectively, and other changes in net

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working capital.

*Cash provided by investing activities*

Cash provided by investing activities for the eight-months ended December 31, 2025 was $18.7 million and primarily consisted of the sales and maturities of marketable securities of $105.4 million offset by purchases of marketable securities of $84.8 million, as compared to $94.2 million provided by investing activities during the same period in the prior year primarily due to the sales and maturities of marketable securities of $95.4 million.

*Cash provided by financing activities*

Cash provided by financing activities for the eight-months ended December 31, 2025 was $162.6 million and primarily consisted of the proceeds from the sale of convertible notes of $139.1 million and an increase in the royalty liability of $21.7 million related to our drawdown of the optional milestone payment from DRI following FDA approval of EKTERLY. Cash provided by financing activities during the same period in the prior year was $154.8 million and primarily consisted of the proceeds from the DRI royalty agreement of $95.4 million and proceeds from the issuance of common stock of $55.9 million.

The table below summarizes the net cash flow activity for the periods indicated (in thousands):

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** | **Change** | **Change** |
|  | **2025** | **2024** | $**%** | **%** |
| &nbsp;&nbsp;Cash used in operating activities | $(152907) | $(89231) |  | 71% |
| &nbsp;&nbsp;Cash provided by (used in) investing activities | 91024 | (84719) |  | -207% |
| &nbsp;&nbsp;Cash provided by financing activities | 159727 | 150714 |  | 6% |
| &nbsp;&nbsp;Effect of exchange rate changes | 2639 | (1213) |  | -318% |
| Increase (decrease) in cash, cash equivalents and restricted cash | $100483 | $(24449) |  | -511% |

---

*Cash used in operating activities*

Cash used in operating activities was $152.9 million for the twelve months ended April 30, 2025 and primarily consisted of a net loss of $183.4 million adjusted for stock-based compensation of $12.3 million, an increase of deferred revenue related to the upfront payment of $11.0 million from Kaken, a decrease in the research and development tax credit receivable of $7.3 million, and other changes in net working capital. The research and development tax credit receivable decreased due to the lower tax credit rate which occurred in April 2024 and decreased qualified R&D spending. Cash used in operating activities was $89.2 million for the twelve months ended April 30, 2024 and primarily consisted of a net loss of $126.6 million adjusted for stock-based compensation of $21.9 million, a decrease in the research and development tax credit receivable of $8.2 million, and other changes in net working capital.

*Cash provided by (used in) investing activities*

Cash provided by investing activities was $91.0 million for the twelve months ended April 30, 2025 and primarily consisted of sales and maturities of marketable securities of $122.5 million offset by purchases of marketable securities of $30.5 million. Cash used in investing activities was $84.7 million for the twelve months ended April 30, 2024 and primarily consisted of purchases of marketable securities of $189.2 million and spend on website development costs of $0.4 million offset by sales and maturities of marketable securities of $105.0 million.

*Cash provided by financing activities*

Cash provided by financing activities was $156.9 million for the twelve months ended April 30, 2025 and consisted of $95.2 million in net proceeds from the Royalty Agreement, $55.9 million from the issuance of common stock and $5.7 million from the issuance of common stock from equity incentive plans. Cash provided by financing activities was $150.7 million for the twelve months ended April 30, 2024 and primarily consisted of the $150.1 million in net proceeds from the February 2024 Underwritten Offering of common stock and pre-funded warrants.

------

**Recent Accounting Pronouncements**

A description of recently issued accounting pronouncements that may potentially impact our financial position, results of operations or cash flows is disclosed in Note 2, *Summary of Significant Accounting Policies*, to our notes to the consolidated financial statements.

**Item 7A. Quantitative and Qualitative Disclosures About Market Risk.**

We are a smaller reporting company as defined by Rule 12b-2 of the Exchange Act and are not required to provide the information required under this item.

**Item 8. Financial Statements and Supplementary Data.**

The financial statements required to be filed are listed in Item 15 of this Transition Report on Form 10-KT and incorporated herein by reference.

**Item 9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure.**

None.

**Item 9A. Controls and Procedures.**

*Evaluation of Disclosure Controls and Procedures*

As required by Rule 13a-15(b) under the Exchange Act of 1934, our management, under the supervision and with the participation of our Chief Executive Officer, has evaluated the effectiveness of the design and operation of our disclosure controls and procedures as of December 31, 2025. The term "disclosure controls and procedures", as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company's management, including its principal executive and principal financial officers, as appropriate, to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of December 31, 2025 our Chief Executive Officer has concluded that, as of December 31, 2025, our disclosure controls and procedures were effective at the reasonable assurance level.

*Management's Annual Report on Internal Control Over Financial Reporting*

Our management is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rules 13a-15(f) and 15d-15(f) promulgated under the Exchange Act as a process designed by, or under the supervision of, our principal executive and principal financial officers and effected by our Board of Directors, management and other personnel to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with U.S. GAAP. Our internal control over financial reporting includes those policies and procedures that:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect our transactions and dispositions of our assets;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with U.S. GAAP, and that our receipts and expenditures are being made only in accordance with authorizations of our management and directors; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of our assets that could have a material effect on our financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and

------

presentation. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Our management, with the participation of our principal executive officer and principal financial officer, assessed the effectiveness of our internal control over financial reporting as of December 31, 2025. In making this assessment, management used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in its 2013 *Internal Control – Integrated Framework*. Based on our assessment, our management has concluded that, as of December 31, 2025, our internal control over financial reporting is effective based on those criteria.

This Transition Report on Form 10-KT does not include an attestation report of our registered public accounting firm regarding internal control over financial reporting. As a smaller reporting company and a non-accelerated filer, we are entitled to rely on an exemption permitting us not to comply with the requirement under Section 404(b) of the Sarbanes-Oxley Act of 2002 that our independent registered public accounting firm provide an attestation on the management's assessment of the effectiveness of our internal control over financial reporting.

*Changes in Internal Controls over Financial Reporting*

There were no changes in our internal control over financial reporting that occurred during the most recently completed fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

**Item 9B. Other Information.**

*Insider Trading Arrangements and Policies*

During the three months ended December 31, 2025, none of our directors or officers adopted, modified, or terminated a "Rule 10b5-1 trading agreement"; or a "non-Rule 10b5-1 trading agreement" as each term is defined in Item 408(a) of Regulation S-K.

**Item 9C. Disclosure Regarding Jurisdictions That Prevent Inspections**

Not Applicable.

------

**PART III**

**Item 10. Directors, Executive Officers and Corporate Governance.**

The information required by this Item 10 will be set forth in our Proxy Statement for the Annual Meeting of Stockholders to be held in 2026 (the "2026 Proxy Statement"), which will be filed with the SEC within 120 days of December 31, 2025, and is incorporated by reference into this Transition Report on Form 10-KT.

We have insider trading policies and procedures that govern the purchase, sale, and other dispositions of our securities by directors, officers, employees, contractors, advisors, and consultants, and by us, that we believe are reasonably designed to promote compliance with insider trading laws, rules and regulations and the listing standards of Nasdaq. A copy of our Insider Trading Policy is incorporated by reference with this Transition Report on Form 10-KT as Exhibit 19.1.

**Item 11. Executive Compensation.**

The information required by this Item 11 will be set forth in our 2026 Proxy Statement to be filed with the SEC within 120 days of December 31, 2025, and is incorporated by reference into this Transition Report on Form 10-KT.

**Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.**

The information required by this Item 12 will be set forth in our 2026 Proxy Statement to be filed with the SEC within 120 days of December 31, 2025, and is incorporated by reference into this Transition Report on Form 10-KT.

**Item 13. Certain Relationships and Related Transactions, and Director Independence.**

The information required by this Item 13 will be set forth in our 2026 Proxy Statement to be filed with the SEC within 120 days of December 31, 2025, and is incorporated by reference into this Transition Report on Form 10-KT.

**Item 14. Principal Accountant Fees and Services.**

The information required by this Item 14 will be set forth in our 2026 Proxy Statement to be filed with the SEC within 120 days of December 31, 2025, and is incorporated by reference into this Transition Report on Form 10-KT.

------

**PART IV**

**Item 15. Exhibits and Financial Statement Schedules.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) The following documents are filed as part of, or incorporated by reference into, this Transition Report on Form 10-KT:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) *Consolidated Financial Statements.* See Index to Financial Statements beginning on page F-1 of this Transition Report, which are incorporated by reference.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) *Financial Statement Schedules.* All schedules have been omitted because the information required to be presented in them is not applicable or is shown in the financial statements or related notes.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) *Exhibits.* We have filed, or incorporated into this Transition Report on Form 10-KT by reference, the exhibits listed on the accompanying Exhibit Index.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) *Exhibits.*

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
|  |  | Incorporated by reference | Incorporated by reference | Incorporated by reference | Incorporated by reference |  |
| Exhibit<br>Number | Description of Document | Form | File<br>No. | Exhibit | Filing Date | Filed<br>Herewith |
| 3.1 | [<u>Amended and Restated Certificate of Incorporation.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017023068801/kalv-ex3_1.htm) | 10-Q | 001-36830 | 3.1 | December 7, 2023 |  |
| 3.2 | [<u>Amended and Restated Bylaws.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017023027974/kalv-ex3_1.htm) | 8-K | 001-36830 | 3.1 | June 14, 2023 |  |
| 4.1 | [<u>Form of Common Stock Certificate.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000119312515018035/d781411dex42.htm) | S-1/A | 333-201278 | 4.2 | January 23, 2015 |  |
| 4.2 | [<u>Description of Registrant's Securities.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017025095011/kalv-ex4_2.htm) | 10-K | 001-36830 | 4.2 | July 20, 2025 |  |
| 4.3 | [<u>Form of Pre-Funded Warrant (February 2024 Offering).</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017024029314/kalv-ex4_1.htm) | 10-Q | 001-36830 | 4.1 | March 11, 2024 |  |
| 4.4 | [<u>Indenture, dated as of September 29, 2025, between KalVista Pharmaceuticals, Inc. and U.S. Bank Trust Company, National Association, as trustee.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000119312525274442/kalv-ex4_1.htm) | 10-Q | 001-36830 | 4.1 | November 10, 2025 |  |
| 4.5 | [<u>Form of 3.250% Convertible Senior Notes due 2031</u>](https://www.sec.gov/Archives/edgar/data/1348911/000119312525274442/kalv-ex4_1.htm) | 10-Q | 001-36830 | 4.2 | November 10, 2025 |  |
| 10.1# | [<u>Form of Indemnification Agreement.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000119312525230906/d42627dex101.htm) | 8-K | 001-36830 | 10.1 | October 6, 2025 |  |
| 10.2# | [<u>2017 Equity Incentive Plan.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000119312517067690/d352394ddef14a.htm) | DEF 14A | 001-36830 | Appendix A | March 2, 2017 |  |
| 10.3# | [<u>2017 Employee Stock Purchase Plan.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000119312517067690/d352394ddef14a.htm) | DEF 14A | 001-36830 | Appendix B | March 2, 2017 |  |
| 10.4# | [<u>Forms of Equity Agreements under the 2017 Equity Incentive Plan.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000156459018016455/kalv-ex991_20.htm) | 8-K | 001-36830 | 99.1 | June 29, 2018 |  |
| 10.5# | [<u>Enrollment/Change Form under the 2017 Employee Stock Purchase Plan.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000156459020009778/kalv-ex994_35.htm) | S-8<br>| 333-237059 | 99.4 | March 10, 2020 |  |
| 10.6 | [<u>Office Lease Agreement by and between the Registrant and 55 Cambridge Parkway, LLC, dated May 30, 2017.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000156459017014286/kalv-ex1012_227.htm) | 10-K | 001-36830 | 10.12 | July 27, 2017 |  |
| 10.7 | [<u>First Amendment of Lease, dated November 20, 2020, to the Office Lease Agreement by and between the Registrant and 55 Cambridge Parkway, LLC, dated May 19, 2017.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000156459020056718/kalv-ex101_114.htm) | 10-Q | 001-36830 | 10.1 | December 10, 2020 |  |
| 10.8 | [<u>Office Lease Agreement by and between the Registrant and OC 990 Corporate Center Associates, LLC dated July 22, 2024.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017024103981/kalv-ex10_1.htm) | 10-Q | 001-36830 | 10.1 | September 5, 2024 |  |
| 10.9 | [<u>Underlease by and between the Registrant and Wiltshire Council, dated April 30, 2018.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000156459018010068/kalv-ex101_6.htm) | 8-K | 001-36830 | 10.1 | May 2, 2018 |  |
| 10.10# | [<u>Amended and Restated Executive Employment Agreement between Registrant and Paul K. Audhya, dated September 9, 2024.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017024105182/kalv-ex10_3.htm) | 8-K | 001-36830 | 10.3 | September 10, 2024 |  |
| 10.11# | [<u>Amended and Restated Executive Employment Agreement between the Registrant and Benjamin L. Palleiko, dated September 9, 2024.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017024105182/kalv-ex10_2.htm) | 8-K | 001-36830 | 10.2 | September 10, 2024 |  |

---

------

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| 10.12# | [<u>Executive Employment Agreement between the Registrant and Bilal Arif, dated September 18, 2025.</u>](kalv-ex10_12.htm) |  |  |  |  | X |
| 10.13 | [<u>Amended and Restated 2021 Equity Inducement Plan and forms of agreement.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017025006240/kalv-ex99_5.htm) | S-8 | 333-292960 | 99.5 | January 26, 2026 |  |
| 10.14 | [<u>Securities Purchase Agreement by and between KalVista Pharmaceuticals, Inc. and DRI Healthcare Acquisitions LP, dated November 4, 2024.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000119312524250665/d907269dex12.htm) | 8-K | 001-36830<br>| 1.2 | November 4, 2024 |  |
| 10.15 | [<u>Purchase and Sale Agreement by and among the Registrant, as guarantor, KalVista Pharmaceuticals Ltd. and DRI Healthcare Acquisitions LP, dated November 4, 2024.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017025037995/kalv-ex10_1.htm) | 10-Q | 001-36830<br>| 10.1 | March 12, 2025 |  |
| 10.16 | [<u>Debenture by and between KalVista Pharmaceuticals Ltd and DRI Healthcare Acquisitions LP, dated November 4, 2024.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017025037995/kalv-ex10_2.htm) | 10-Q | 001-36830<br>| 10.2 | March 12, 2025 |  |
| 10.17 | [<u>License, Supply, and Distribution Agreement between Kaken Pharmaceutical Co., Ltd and KalVista Pharmaceuticals, Ltd, dated April 8, 2025.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017025095011/kalv-ex10_23.htm) | 10-K | 001-36830 | 10.23 | July 10, 2025 |  |
| 10.18 | [<u>Sales Agreement between the Company and TD Securities (USA) LLC, dated July 10, 2025.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017025095011/kalv-ex10_24.htm) | 10-K | 001-36830 | 10.24 | July 10, 2025 |  |
| 10.19 | [<u>Amendment to Purchase and Sale Agreement, dated May 22, 2025, by and among KalVista Pharmaceuticals Limited, DRI Healthcare Acquisitions LP, and solely for the purposes of the Guarantor Provisions therein, KalVista Pharmaceuticals, Inc.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000119312525274442/kalv-ex10_1.htm) | 10-Q | 001-36830 | 10.1 | November 10, 2025 |  |
| 10.20 | [<u>Second Amendment to Purchase and Sale Agreement, dated September 2, 2025, by and among KalVista Pharmaceuticals Limited, DRI Healthcare Acquisitions LP, DRI UK LP, and solely for the purposes of the Guarantor Provisions therein, KalVista Pharmaceuticals, Inc.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000119312525274442/kalv-ex10_2.htm) | 10-Q | 001-36830 | 10.2 | November 10, 2025 |  |
| 10.21 | [<u>Third Amendment to Purchase and Sale Agreement, dated February 3, 2026, by and among KalVista Pharmaceuticals Limited, DRI UK LP, and solely for the purposes of the Guarantor Provisions therein, KalVista Pharmaceuticals, Inc.</u>](kalv-ex10_21.htm) |  |  |  |  | X |
| 19.1 | [<u>Insider Trading Policy.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017025095011/kalv-ex19_1.htm) | 10-K | 001-36830 | 19.1 | July 10, 2025 |  |
| 21.1 | [<u>Subsidiaries of the Registrant.</u>](kalv-ex21_1.htm) |  |  |  |  | X |
| 23.1 | [<u>Consent of Deloitte & Touche LLP.</u>](kalv-ex23_1.htm) |  |  |  |  | X |
| 24.1 | [<u>Power of Attorney. (See signature page hereto.)</u>](#power_of_attorney) |  |  |  |  | X |
| 31.1 | [<u>Certification of Principal Executive Officer, pursuant to Rule 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</u>](kalv-ex31_1.htm) |  |  |  |  | X |
| 31.2 | [<u>Certification of Principal Financial Officer, pursuant to Rule 13a-14(a)/15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</u>](kalv-ex31_2.htm) |  |  |  |  | X |
| 32.1\* | [<u>Certification of Chief Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.</u>](kalv-ex32_1.htm) |  |  |  |  | X |
| 32.2\* | [<u>Certification of Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.</u>](kalv-ex32_2.htm) |  |  |  |  | X |
| 97.1 | [<u>Compensation Recovery Policy.</u>](https://www.sec.gov/Archives/edgar/data/1348911/000095017024082965/kalv-ex97_1.htm) | 10-K | 001-36830 | 97.1 | July 11, 2024 |  |
| 101.INS | Inline XBRL Instance Document - the instance document does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document. |  |  |  |  | X |

---

------

---

| | | |
|:---|:---|:---|
| 101.SCH | Inline XBRL Taxonomy Extension Schema Document. | X |
| 101.CAL | Inline XBRL Taxonomy Extension Calculation Linkbase Document. | X |
| 101.DEF | Inline XBRL Taxonomy Extension Definition Linkbase Document. | X |
| 101.LAB | Inline XBRL Taxonomy Extension Labels Linkbase Document. | X |
| 101.PRE | Inline XBRL Taxonomy Extension Presentation Linkbase Document. | X |
| 104 | Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) | X |

---

------

# Management contract or compensatory plan or arrangement.

\* This certification is deemed not filed for purpose of section 18 of the Exchange Act or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act or the Exchange Act.

<sup>^</sup> Registrant has omitted schedules and exhibits pursuant to Item 601(a)(5) of Regulation S-K. The Registrant agrees to furnish supplementally a copy of the omitted schedules and exhibits to the SEC upon request.

**Item 16. Form 10-K Summary.**

None.

------

**SIGNATURES**

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Transition Report on Form 10-KT to be signed on its behalf by the undersigned, thereunto duly authorized.

---

| | | |
|:---|:---|:---|
|  | KalVista Pharmaceuticals, Inc. | KalVista Pharmaceuticals, Inc. |
| Date: March 25, 2026 | By: | /s/ Benjamin L. Palleiko |
|  |  | Benjamin L. Palleiko |
|  |  | Chief Executive Officer |

---

**POWER OF ATTORNEY**

Each person whose individual signature appears below hereby authorizes and appoints Benjamin L. Palleiko and Brian Piekos, and each of them, with full power of substitution and resubstitution and full power to act without the other, as his or her true and lawful attorney-in-fact and agent to act in his or her name, place and stead and to execute in the name and on behalf of each person, individually and in each capacity stated below, and to file any and all amendments to this Transition Report on Form 10-KT and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing, ratifying and confirming all that said attorneys-in-fact and agents or any of them or their or his substitute or substitutes may lawfully do or cause to be done by virtue thereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Report has been signed below by the following persons on behalf of the Registrant in the capacities and on the dates indicated.

---

| | | |
|:---|:---|:---|
| **Name** | **Title** | **Date** |
| /s/ Benjamin L Palleiko | Chief Executive Officer and Director | March 25, 2026 |
| Benjamin L. Palleiko | (Principal Executive Officer) |  |
| /s/ Brian Piekos | Chief Financial Officer | March 25, 2026 |
| Brian Piekos | (Principal Financial and Accounting Officer) |  |
| /s/ Brian J.G. Pereira | Director and Chairman | March 25, 2026 |
| Brian J.G. Pereira, M.D. |  |  |
| /s/ William Fairey | Director | March 25, 2026 |
| William Fairey |  |  |
| /s/ Laurence Reid | Director | March 25, 2026 |
| Laurence Reid, Ph.D. |  |  |
| /s/ Bethany Sensenig | Director | March 25, 2026 |
| Bethany Sensenig |  |  |
| /s/ Nancy Stuart | Director | March 25, 2026 |
| Nancy Stuart |  |  |
| /s/ Patrick Treanor | Director | March 25, 2026 |
| Patrick Treanor |  |  |
| /s/ Edward W. Unkart | Director | March 25, 2026 |
| Edward W. Unkart |  |  |

---

------

**KALVISTA PHARMACEUTICALS, INC.**

**INDEX TO CONSOLIDATED FINANCIAL STATEMENTS**

---

| | |
|:---|:---|
| [<u>Report of Independent Registered Public Accounting Firm (PCAOB ID No.</u> 34<u>)</u>](#report_of_independent_registered) | F-2 |
| [<u>Consolidated Balance Sheets</u>](#consolidated_balance_sheets) | F-4 |
| [<u>Consolidated Statements of Operations and Comprehensive Loss</u>](#consolidated_statements_operations_compr) | F-5 |
| [<u>Consolidated Statements of Changes in Stockholders' (Deficit) Equity</u>](#consolidated_statements_changes_in_stock) | F-6 |
| [<u>Consolidated Statements of Cash Flows</u>](#consolidated_statements_cash_flows) | F-7 |
| [<u>Notes to Consolidated Financial Statements</u>](#notes_to_consolidated_financial_stmt) | F-8 |

---

------

**REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM**

To the stockholders and the Board of Directors of KalVista Pharmaceuticals, Inc.

**Opinion on the Financial Statements**

We have audited the accompanying consolidated balance sheets of KalVista Pharmaceuticals, Inc. and subsidiaries (the "Company") as of December 31, 2025 and April 30, 2025 and 2024, the related consolidated statements of operations and comprehensive loss, changes in stockholders' (deficit) equity, and cash flows, for the eight month transition period ended December 31, 2025 and for each of the two years in the period ended April 30, 2025, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and April 30, 2025 and 2024, and the results of its operations and its cash flows for the eight month transition period ended December 31, 2025 and for each of the two years in the period ended April 30, 2025, in conformity with accounting principles generally accepted in the United States of America.

**Basis for Opinion**

These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (PCAOB) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits, we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company's internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

**Critical Audit Matter**

The critical audit matter communicated below is a matter arising from the current-period audit of the financial statements that was communicated or required to be communicated to the audit committee and that (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

***Product Revenue — Identification of Customer and Recognition of Revenue — Refer to Note 2 to the financial statements***

*Critical Audit Matter Description*

The Company recognizes revenue from product sales in accordance with ASC 606, *Revenue from Contracts with Customers*, ("ASC 606") whereby revenue is recognized when a customer obtains control of promised goods. The Company satisfies its performance obligation for product sales at a point in time by transferring the control of a promised good to a customer.

Given the judgments necessary to identify the customer, auditing such judgement required extensive audit effort due to the complexity of evaluating the terms of its contracts with its distributors and specialty pharmacy companies and a high degree of auditor judgment when performing audit procedures and evaluating the results of those procedures.

*How the Critical Audit Matter Was Addressed in the Audit*

Our audit procedures related to testing management's identification of the customer and the point in time the customer obtains control of the promised good in the transaction included the following, among others:

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Read the revenue and revenue-related contract agreements and assessed the Company's application of ASC 606, including the Company's conclusion on the identification of customers.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Utilizing the assistance of our professionals with specialized knowledge and skills in the relevant technical accounting guidance, we evaluated the Company's accounting for contractual provisions that could affect the timing and amount of revenue by evaluating the terms against the relevant technical accounting guidance and assessing whether the identification of the customer was acceptable and accordingly, the timing of revenue recognition at the point in time of delivery of product to the customers is appropriate.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•We selected a sample of product sales and we performed the following:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Evaluated whether the identification of the customer was in accordance with ASC 606 and the Company's accounting policy.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Tested the accuracy and occurrence of recognition of revenue to be the point in time the customer obtained control of the promised goods in the transaction by vouching the product delivery information to shipping proof of delivery.

/s/ Deloitte & Touche LLP

Boston, Massachusetts

March 25, 2026

We have served as the Company's auditor since 2016.

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**KALVISTA PHARMACEUTICALS, INC.**

**Consolidated Balance Sheets**

**(in thousands, except share and per share amounts)**

---

| | | | |
|:---|:---|:---|:---|
|  | **December 31,<br>2025** | **April 30,<br>2025** | **April 30,<br>2024** |
| **Assets** |  |  |  |
| Current assets: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Cash and cash equivalents | $229342 | $131615 | $31789 |
| &nbsp;&nbsp;&nbsp;&nbsp;Marketable securities | 70872 | 89002 | 178612 |
| &nbsp;&nbsp;&nbsp;&nbsp;Accounts receivable, net | 2593 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Inventory | 3428 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Research and development tax credit receivable | 6200 | 1383 | 8439 |
| &nbsp;&nbsp;&nbsp;&nbsp;Prepaid expenses and other current assets | 7712 | 19690 | 6850 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total current assets | 320147 | 241690 | 225690 |
| Property and equipment, net | 3034 | 1988 | 2227 |
| Right of use assets | 9825 | 5544 | 6920 |
| Other assets | 2369 | 1548 | 567 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total assets | $335375 | $250770 | $235404 |
| **Liabilities and stockholders' (deficit) equity** |  |  |  |
| Current liabilities: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Accounts payable | $8268 | $4883 | $9107 |
| &nbsp;&nbsp;&nbsp;&nbsp;Accrued expenses and other current liabilities | 33897 | 27307 | 12398 |
| &nbsp;&nbsp;&nbsp;&nbsp;Deferred revenue - current portion |  | 11000 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Lease liability - current portion | 1621 | 1977 | 1302 |
| &nbsp;&nbsp;&nbsp;&nbsp;Royalty obligation - current portion | 13569 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total current liabilities | 57355 | 45167 | 22807 |
| Deferred revenue - net of current portion | 11714 |  |  |
| Lease liability - net of current portion | 10727 | 4330 | 6015 |
| Royalty obligation - net of current portion | 119063 | 105882 |  |
| Convertible notes | 139227 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total liabilities | 338086 | 155379 | 28822 |
| Commitments and Contingencies (Note 11) |  |  |  |
| Stockholders' (deficit) equity: |  |  |  |
| Common stock, $0.001 par value; 100,000,000 shares authorized at<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;December 31, 2025, April 30, 2025 and April 30, 2024; 50,900,777,<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;49,762,048 and 42,521,975 shares issued and outstanding at<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;December 31, 2025, April 30, 2025 and April 30, 2024, respectively | 51 | 50 | 42 |
| Additional paid-in capital | 767061 | 753725 | 679754 |
| Accumulated deficit | (762694) | (653170) | (469726) |
| Accumulated other comprehensive loss | (7129) | (5214) | (3488) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total stockholders' (deficit) equity | (2711) | 95391 | 206582 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total liabilities and stockholders' (deficit) equity | $335375 | $250770 | $235404 |

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*The accompanying notes are an integral part of these consolidated financial statements.*

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**KALVISTA PHARMACEUTICALS, INC.**

**Consolidated Statements of Operations and Comprehensive Loss**

**(in thousands, except share and per share amounts)**

---

| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended** | **Twelve Months Ended** | **Twelve Months Ended** |
|  | **December 31,** | **April 30,** | **April 30,** |
|  | **2025** | **2025** | **2024** |
| Product revenue, net | $49078 | $— | $— |
| Operating expenses: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Cost of revenue | 3081 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Research and development | 33371 | 71709 | 86167 |
| &nbsp;&nbsp;&nbsp;&nbsp;Selling, general and administrative | 124663 | 116286 | 54278 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total operating expenses | 161115 | 187995 | 140445 |
| Operating loss | (112037) | (187995) | (140445) |
| Other (expense) income: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Interest income | 5789 | 6435 | 3896 |
| &nbsp;&nbsp;&nbsp;&nbsp;Interest expense | (12895) | (5785) |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Foreign currency exchange gain | 30 | 2481 | 138 |
| &nbsp;&nbsp;&nbsp;&nbsp;Other income, net | 8556 | 4812 | 9767 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total other income | 1480 | 7943 | 13801 |
| Loss before income tax (benefit) expense | (110557) | (180052) | (126644) |
| &nbsp;&nbsp;&nbsp;&nbsp;Income tax (benefit) expense | (1033) | 3392 |  |
| Net loss | $(109524) | $(183444) | $(126644) |
| Other comprehensive (loss) income: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Foreign currency translation loss | (1004) | (2523) | (394) |
| &nbsp;&nbsp;&nbsp;&nbsp;Unrealized holding gain on marketable securities | 316 | 2358 | 1291 |
| &nbsp;&nbsp;&nbsp;&nbsp;Reclassification adjustment for realized holding gain on marketable securities included in net loss | (1227) | (1561) | (1325) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total other comprehensive (loss) | (1915) | (1726) | (428) |
| Comprehensive loss | $(111439) | $(185170) | $(127072) |
| Weighted average shares outstanding-basic and diluted | 53870007 | 49652878 | 36786575 |
| Net loss per share |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Basic and diluted | $(2.03) | $(3.69) | $(3.44) |

---

*The accompanying notes are an integral part of these consolidated financial statements.*

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**KALVISTA PHARMACEUTICALS, INC.**

**Consolidated Statements of Changes in Stockholders' (Deficit) Equity**

**(in thousands, except share and per share amounts)**

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
|  | **Common stock** | **Common stock** |  |  |  |  |
|  | **Shares** | **Amount** | **Additional<br>Paid-in<br>Capital** | **Accumulated<br>Deficit** | **Accumulated<br>Other<br>Comprehensive<br>Loss** | **Total<br>Stockholders'<br>(Deficit) Equity** |
| **Balance at April 30, 2023** | 34171138 | $34 | $507133 | $(343082) | $(3060) | $161025 |
| &nbsp;&nbsp;Issuance of common stock from equity incentive plans | 25182 |  | 184 |  |  | 184 |
| &nbsp;&nbsp;Issuance of common stock from employee stock purchase plan | 68677 |  | 462 |  |  | 462 |
| &nbsp;&nbsp;Release of restricted stock units | 1058213 | 1 | (1) |  |  |  |
| &nbsp;&nbsp;Issuance of common stock, net of offering costs of $0.5 million | 7016312 | 7 | 96938 |  |  | 96945 |
| &nbsp;&nbsp;Issuance of pre-funded warrants for the purchase of common stock |  |  | 53123 |  |  | 53123 |
| &nbsp;&nbsp;Exercise of pre-funded warrants for the purchase of common stock | 182453 |  |  |  |  |  |
| &nbsp;&nbsp;Stock-based compensation |  |  | 21915 |  |  | 21915 |
| &nbsp;&nbsp;Net loss |  |  |  | (126644) |  | (126644) |
| &nbsp;&nbsp;Foreign currency translation loss |  |  |  |  | (394) | (394) |
| &nbsp;&nbsp;Unrealized holding gain on marketable securities |  |  |  |  | 1291 | 1291 |
| &nbsp;&nbsp;Reclassification adjustment for realized holding gain on marketable securities included in net loss |  |  |  |  | (1325) | (1325) |
| **Balance at April 30, 2024** | 42521975 | 42 | 679754 | (469726) | (3488) | 206582 |
| &nbsp;&nbsp;Issuance of common stock from equity incentive plans | 589739 | 1 | 4900 |  |  | 4901 |
| &nbsp;&nbsp;Issuance of common stock from employee stock purchase plan | 104173 |  | 875 |  |  | 875 |
| &nbsp;&nbsp;Release of restricted stock units | 546161 | 1 |  |  |  | 1 |
| &nbsp;&nbsp;Issuance of common stock, net of offering costs of $0.5 million | 6000000 | 6 | 55905 |  |  | 55911 |
| &nbsp;&nbsp;Stock-based compensation |  |  | 12291 |  |  | 12291 |
| &nbsp;&nbsp;Net loss |  |  |  | (183444) |  | (183444) |
| &nbsp;&nbsp;Foreign currency translation loss |  |  |  |  | (2523) | (2523) |
| &nbsp;&nbsp;Unrealized holding gain on marketable securities |  |  |  |  | 2358 | 2358 |
| &nbsp;&nbsp;Reclassification adjustment for realized holding gain on marketable securities included in net loss |  |  |  |  | (1561) | (1561) |
| **Balance at April 30, 2025** | 49762048 | 50 | 753725 | (653170) | (5214) | 95391 |
| &nbsp;&nbsp;Issuance of common stock from equity incentive plans | 207988 |  | 1228 |  |  | 1228 |
| &nbsp;&nbsp;Issuance of common stock from employee stock purchase plan | 92127 |  | 694 |  |  | 694 |
| &nbsp;&nbsp;Release of restricted stock units | 838614 | 1 | (1) |  |  |  |
| &nbsp;&nbsp;Stock-based compensation |  |  | 11415 |  |  | 11415 |
| &nbsp;&nbsp;Net loss |  |  |  | (109524) |  | (109524) |
| &nbsp;&nbsp;Foreign currency translation loss |  |  |  |  | (1004) | (1004) |
| &nbsp;&nbsp;Unrealized holding gain on marketable securities |  |  |  |  | 316 | 316 |
| &nbsp;&nbsp;Reclassification adjustment for realized holding gain on marketable securities included in net loss |  |  |  |  | (1227) | (1227) |
| **Balance at December 31, 2025** | 50900777 | $51 | $767061 | $(762694) | $(7129) | $(2711) |

---

*The accompanying notes are an integral part of these consolidated financial statements.*

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**KALVISTA PHARMACEUTICALS, INC.**

**Consolidated Statements of Cash Flows**

**(in thousands)**

---

| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2025** | **2024** |
| **Cash flows from operating activities:** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Net loss | $(109524) | $(183444) | $(126644) |
| &nbsp;&nbsp;&nbsp;&nbsp;Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Depreciation and amortization | 969 | 941 | 816 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stock-based compensation expense | 11415 | 12291 | 21915 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Realized gain from sale of marketable securities | (1227) | (1561) | (1325) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Non cash operating lease expense | 572 | 370 | (12) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Amortization of (discount) premium on marketable securities | (637) | 14 | 92 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Foreign currency exchange loss (gain) | (555) | (4175) | 760 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Non-cash interest expense and amortization of issuance costs | 11796 | 5872 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Fair value adjustment to derivative liability | 3426 | 1750 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Impairment of right of use assets | 1190 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Changes in operating assets and liabilities: |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Research and development tax credit receivable | (4809) | 7251 | 8176 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accounts receivable, net | (2593) |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Inventory | (3428) |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prepaid expenses and other assets | 10778 | (12232) | (538) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accounts payable | 4191 | (4971) | 4320 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accrued expenses and other liabilities | (3828) | 14429 | 3209 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deferred revenue | 643 | 10558 |  |
| Net cash used in operating activities | (81621) | (152907) | (89231) |
| **Cash flows from investing activities:** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Purchases of marketable securities | (84784) | (30571) | (189231) |
| &nbsp;&nbsp;&nbsp;&nbsp;Sales and maturities of marketable securities | 105364 | 122524 | 104955 |
| &nbsp;&nbsp;&nbsp;&nbsp;Acquisition of property and equipment | (1707) | (434) | (42) |
| &nbsp;&nbsp;&nbsp;&nbsp;Capitalized website development costs | (189) | (495) | (401) |
| Net cash provided by (used in) investing activities | 18684 | 91024 | (84719) |
| **Cash flows from financing activities:** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Proceeds from sale of convertible notes, net of offering costs | 139049 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Proceeds from the royalty agreement, net of issuance costs | 21670 | 98040 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Issuance of common stock, net of issuance costs |  | 55911 | 96945 |
| &nbsp;&nbsp;&nbsp;&nbsp;Issuance of pre-funded warrants |  |  | 53123 |
| &nbsp;&nbsp;&nbsp;&nbsp;Issuance of common stock from equity incentive plans | 1228 | 4901 | 184 |
| &nbsp;&nbsp;&nbsp;&nbsp;Issuance of common stock from employee stock purchase plan | 694 | 875 | 462 |
| Net cash provided by financing activities | 162641 | 159727 | 150714 |
| &nbsp;&nbsp;&nbsp;&nbsp;Effect of exchange rate changes | (1831) | 2639 | (1213) |
| &nbsp;&nbsp;&nbsp;&nbsp;Net increase (decrease) in cash, cash equivalents and restricted cash | 97873 | 100483 | (24449) |
| Cash, cash equivalents and restricted cash at beginning of the period | 132272 | 31789 | 56238 |
| Cash, cash equivalents and restricted cash at end of the period | $230145 | $132272 | $31789 |
| &nbsp;&nbsp;&nbsp;&nbsp;Less: Restricted cash in other assets | 803 | 657 |  |
| Cash and cash equivalents | $229342 | $131615 | $31789 |
| **Supplemental disclosure of cash flow information** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Cash paid for interest | $822 | $— | $— |
| **Supplemental disclosure of non-cash activities** |  |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Lease liabilities arising from obtaining right of use assets | $5680 | $725 | $162 |
| &nbsp;&nbsp;&nbsp;&nbsp;Property and equipment included in accounts payable and accrued expenses | $55 | $— | $— |
| &nbsp;&nbsp;&nbsp;&nbsp;Website development costs included in accounts payable | $— | $— | $31 |

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*The accompanying notes are an integral part of these consolidated financial statements.*

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**KALVISTA PHARMACEUTICALS, INC.**

**Notes to Consolidated Financial Statements**

**Note 1. Organization and Nature of Business**

KalVista Pharmaceuticals, Inc. ("KalVista" or the "Company") is a global pharmaceutical company dedicated to delivering life-changing oral therapies for individuals affected by rare diseases with significant unmet needs. On July 3, 2025, the Company received approval from the U.S. Food and Drug Administration (the "FDA") for its lead product candidate, EKTERLY<sup>®</sup> (sebetralstat), for the treatment of acute attacks of hereditary angioedema ("HAE") in adults and adolescents aged 12 years and older. EKTERLY is the first and only oral on-demand therapy for HAE. Following FDA approval, EKTERLY received marketing authorization from the European Medicines Agency, the U.K.'s Medicines and Healthcare products Regulatory Agency, the Swiss Agency for Therapeutic Products, Swissmedic, Japan's Ministry of Health, Labour and Welfare as well as regulatory agencies in Australia and Singapore. The Company markets EKTERLY in the U.S. and Germany and has established commercialization partnerships for Japan, Canada, Brazil, Argentina, Colombia, and Mexico. The Company is incorporated in the State of Delaware and headquartered in Framingham, Massachusetts.

These regulatory approvals were based on data from the phase 3 KONFIDENT clinical trial, published in the New England Journal of Medicine. Prior to the approval of EKTERLY, all on-demand treatment options approved in the U.S. required intravenous or subcutaneous administration, which carries a significant treatment burden. Even with the use of long-term prophylaxis, most people living with HAE continue to have unpredictable attacks and require ready access to on-demand medication.

The Company has funded its operations primarily through a combination of equity financings, collaborations, strategic partnerships, royalty financings, licensing arrangements, convertible debt, and product sales. As of December 31, 2025, the Company had an accumulated deficit of $762.7 million and cash, cash equivalents and marketable securities totaling $300.2 million. The Company anticipates that it will continue to incur losses for the foreseeable future, and it expects those losses to continue as it begins to commercialize EKTERLY. The Company is subject to risks and uncertainties common to companies in the pharmaceutical industry with development and commercial operations, and it may encounter unforeseen expenses, difficulties, complications, delays and other unknown factors that may adversely affect its business. The Company currently anticipates that, based upon its operating plans and existing capital resources, it has sufficient funding to operate for at least the next twelve months.

The Company may seek to finance future cash needs through equity offerings, debt financing, corporate partnerships, and product sales.

***Change in fiscal year***

On March 13, 2025, the Company's Board of Directors ("Board") approved a change to the Company's fiscal year end from April 30 to December 31, effective December 31, 2025, resulting in an eight-month transition period from May 1, 2025 to December 31, 2025. Beginning with the Quarterly Report on Form 10-Q for the quarter ending September 30, 2025, the Company began to file reports based on the new fiscal year, pursuant to Rule 15d-10(e)(2) of the Exchange Act.

**Note 2. Summary of Significant Accounting Policies**

***Basis of Presentation***

The accompanying consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States ("U.S. GAAP"), include the accounts of the Company and its wholly-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.

***Segment Reporting***

The chief operating decision maker, the CEO, manages the Company's operations as a single operating segment for the purposes of assessing performance and making operating decisions.

***Use of Estimates***

The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of expenses during the reporting period. Accounting estimates and

------

management judgments reflected in the consolidated financial statements include: the accrual of research and development expenses, stock-based compensation, operating lease liabilities, product revenue reserves, interest expense on the royalty obligation, and assumptions used to value the embedded derivative in the royalty obligation. Although these estimates are based on the Company's knowledge of current events and actions it may undertake in the future, actual results may materially differ from these estimates and assumptions.

***Foreign Currency***

The functional currency of each of the Company's foreign subsidiaries is primarily the local currency of the country in which the subsidiary operates. The Company's asset and liability accounts are translated at the current exchange rate as of the balance sheet date. Revenue and expense accounts are translated at the average exchange rate over the period. Adjustments resulting from the translation of the financial statements of the Company's foreign subsidiaries into U.S. dollars are accumulated as a separate component of stockholders' equity within accumulated other comprehensive income. Gains or losses resulting from transactions denominated in foreign currencies are included in foreign currency losses, net, within the consolidated statements of operations and comprehensive loss.

***Recent Accounting Pronouncements***

*Recently issued but not yet adopted*

In November 2024, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2024-03, Income Statement-Reporting Comprehensive Income-Expense Disaggregation Disclosures, which requires public business entities to disclose, on an annual and interim basis, disaggregated information about certain income statement expense line items. The required information includes purchases of inventory, employee compensation, depreciation, intangible asset amortization and depletion. The standard will be effective for the Company beginning with annual financial statements for the fiscal year ending December 31, 2027. The Company has not yet determined the impact of adopting this guidance on its financial statements.

*Recently adopted*

In December 2023, the FASB issued ASU 2023-09, Improvements to Income Tax Disclosures, which requires disclosure of disaggregated income taxes paid, prescribes standard categories for the components of the effective tax rate reconciliation, and modifies other income tax-related disclosures. ASU 2023-09 is effective for fiscal years beginning after December 15, 2024. The Company adopted ASU 2023-09 for the current year on a prospective basis. The adoption of ASU 2023-09 resulted in additional disclosures (see Note 16, *Income Taxes*) but did not have a material impact on the consolidated financial statements.

The Company does not expect any other recently issued accounting standards to have a material impact to its financial statements or disclosures.

***Cash and Cash Equivalents***

Cash and cash equivalents consist of readily available checking and bank deposit accounts and marketable securities. Cash equivalents are carried at cost which approximates fair value due to their short-term nature. The Company considers all highly liquid investments with an original maturity of 90 days or less to be cash equivalents.

The Company maintains its cash and cash equivalent balances with financial institutions that management believes are of high credit quality. The Company's cash and cash equivalent accounts at times may exceed federally insured limits. The Company has not experienced any losses in such accounts. The Company believes it is not exposed to any significant credit risk of cash and cash equivalents.

***Investments***

The Company classifies all of its debt securities as available-for-sale ("AFS"). AFS debt securities are recorded at fair value and unrealized gains and losses are included in accumulated other comprehensive loss in the consolidated balance sheets. Realized gains and losses are reported in other income, net in the consolidated statements of operations and comprehensive loss, on a specific identification basis with transactions recorded on a trade date basis.

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***Accounts Receivable, net***

The Company's trade accounts receivable arise from product sales and represent amounts due from specialty distributors and specialty pharmacy providers in the U.S. and retail pharmacies in international markets. The Company monitors the financial performance and creditworthiness of its customers so that it can properly assess and respond to changes in its customers' credit profile. The Company reserves against these receivables for estimated losses that may arise from a customer's inability to pay. Amounts determined to be uncollectible are charged or written-off against the reserve.

***Inventory***

The Company values inventory at the lower of cost or estimated net realizable value with cost determined on a first-in, first-out basis. Raw materials and work-in-process include all inventory costs prior to packaging and labeling, including raw material, active product ingredient, and the drug product. Finished goods include packaged and labeled products. At each reporting date, the Company evaluates the carrying value of inventory and provides valuation reserves for any estimated excess, obsolete, short-dated or unmarketable inventory. In the event that certain batches or units of product do not meet quality specifications, the Company will record a write-down of any potential unmarketable inventory to its estimated net realizable value and record the expense as cost of revenue in the consolidated statements of operations and comprehensive loss. Prior to obtaining initial regulatory approval for an investigational product candidate, costs relating to production of pre-launch inventory are expensed as research and development expense in the period incurred. After initial regulatory approval has been received, inventory costs are capitalized.

***Research and Development Tax Credit Receivable***

The research and development tax credit receivable consists of research and development expenses that have been claimed as research and development tax credits in accordance with the relevant U.K. tax legislation. These refundable tax credits are payable to the Company in cash and are carried on the consolidated balance sheet at the amount claimed and expected to be received from the U.K. government within the next 12 months.

***Restricted Cash***

Restricted cash consists of deposits held at financial institutions that are used to collateralize irrevocable letters of credit required under the Company's lease agreements. Restricted cash is reported in other assets on the consolidated balance sheets.

***Property and Equipment***

Property and equipment are stated at cost less accumulated depreciation. Expenditures for repairs and maintenance are charged to expense as incurred. Upon retirement or sale, the costs of the assets disposed of and the related accumulated depreciation are eliminated from the accounts and any resulting gain or loss is reflected in the consolidated statements of operations and comprehensive loss. Depreciation is recorded using the straight-line method over the estimated useful lives of the assets, which are as follows:

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| | |
|:---|:---|
| **Asset Classification** | **Estimated Useful Life** |
| Equipment | 1 - 5 years |
| Furniture and fixtures | 1 - 5 years |
| Software and computer equipment | 3 - 4 years |
| Leasehold improvements | Lesser of lease term or 15 years |

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***Impairment of Long-Lived Assets***

Long-lived assets are assessed for impairment whenever events or changes in circumstances indicate that the carrying value of such assets, or asset groups, may not be recoverable. Whenever events or changes in circumstances suggest that the carrying amount of long-lived assets may not be recoverable, the future undiscounted cash flows expected to be generated by the asset, or asset groups, from its use or eventual disposition is estimated. If the sum of the expected future undiscounted cash flows is less than the carrying amount of those assets, or asset groups, an impairment loss is recognized based on the excess of the carrying amount over the fair value of the assets, or asset groups.

***Leases***

The Company determines if an arrangement contains an operating or finance lease at inception and will utilize the short-term lease exception for certain temporary lab and office space arrangements with terms of 12 months or less. As of December 31, 2025, the

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Company maintained only operating leases. The Company recognizes a right-of-use operating lease asset and associated short and long-term operating lease liability in the consolidated balance sheets for operating leases greater than one year. The right-of-use assets represent the right to use an underlying asset for the lease term and the lease liabilities represent the obligation to make lease payments arising from the lease arrangement. The Company recognizes the right-of-use operating lease assets and lease liabilities based on the present value of the future minimum lease payments that will be paid over the lease term, adjusted for items such as prepayments or incentives received. The Company determines the lease term at the inception of each lease, and in certain cases the lease term could include renewal options if it is concluded it is reasonably certain the renewal option will be exercised. When a lease option is exercised that was not previously included in the initial lease term, the right-of-use asset and lease liabilities are reassessed for the new lease term.

As the leases do not provide an interest rate implicit in the lease, the Company uses the incremental borrowing rate as the discount rate, based on the information available as of the lease inception date or at the lease option extension date in determining the present value of future payments. The Company recognizes rent expense for the minimum lease payments on a straight-line basis over the expected term of the lease. The Company has elected the practical expedient which allows non-lease components to be combined with the lease components for all existing asset classes and will therefore include any fixed additional rent amounts in its lease payments. Any variable lease payments are excluded from the lease liability and are recognized in the period incurred.

***Deferred Royalty Obligation***

The Company treats the debt obligation to DRI UK LP, an affiliate of DRI Healthcare Trust ("DRI") discussed further in Note 14, *Purchase and Sale Agreement*, as a deferred royalty obligation, amortized using the effective interest rate method over the estimated life of the revenue stream. The Company periodically assesses its expected revenues using internal projections, imputes interest on the carrying value of the deferred royalty obligation, and records interest expense using the imputed effective interest rate. To the extent its estimates of future revenues are greater or less than previous estimates or the estimated timing of such payments is materially different than previous estimates, the Company will account for any such changes by adjusting the effective interest rate on a prospective basis. The assumptions used in determining the expected repayment term of the deferred royalty obligation and amortization period of the issuance costs require that the Company makes estimates that could impact the classification of such costs, as well as the period over which such costs will be amortized.

***Embedded Derivative Liability***

The Company evaluates all its financial instruments to determine if such instruments contain features that qualify as embedded derivatives per ASC 815, *Derivatives and Hedging*, ("ASC 815"). The Purchase and Sale Agreement ("PSA") with DRI contains certain features that meet the definition of an embedded derivative requiring bifurcation as a separate compound financial instrument (the "Derivative Liability"). The Derivative Liability was recorded at fair value upon entering into the PSA and is subsequently remeasured to fair value at each reporting period with the corresponding change in fair value recognized in other income, net, in the consolidated statements of operations and comprehensive loss. The PSA was initially valued and is remeasured using Monte Carlo simulation models to perform the "with-and-without" method, which involves valuing the PSA with the embedded derivative and then valuing it without the embedded derivative. The Monte Carlo simulation model requires the use of Level 3 unobservable inputs, primarily the amount and timing of expected future revenue, the estimated volatility of these revenues, the discount rate corresponding to the risk of revenue, and the probability of a change in control. The difference between values is determined to be the estimated fair value of the Derivative Liability. Bifurcated embedded derivatives are classified with the related host contract in the Company's consolidated balance sheets. Refer to Note 3, *Fair Value Measurements,* for details regarding the fair value.

***Convertible Notes***

Convertible instruments are accounted for as a single unit of account in the Company's consolidated balance sheets as the conversion feature is not bifurcated from the host debt instrument, which would require the feature to be separately accounted for as a derivative under ASC 815. Debt issuance costs are recorded as contra-liabilities in the Company's consolidated balance sheets that are amortized to interest expense over the term of the note using the effective interest rate. Interest expense is recognized based on the contractual interest rate and includes the amortization of debt discounts and issuance costs.

***Revenue recognition***

The Company recognizes revenue from product sales and partnership arrangements. In accordance with ASC 606, *Revenue from Contracts with Customers*, revenue is recognized when a customer obtains control of promised goods or services. The amount of revenue recognized reflects the consideration to which the Company expects to be entitled to receive in exchange for these goods and services.

To determine revenue recognition for arrangements within the scope of ASC Topic 606, *Revenue from Contracts with Customers*, the Company performs the following five steps: (1) identify the contracts with a customer; (2) identify the performance

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obligations in the contract; (3) determine the transaction price; (4) allocate the transaction price to the performance obligations in the contract; and (5) recognize revenue when or as we satisfy a performance obligation.

Performance obligations promised in a contract are identified based on the goods and services that will be transferred to the customer that are both capable of being distinct, whereby the customer can benefit from the good or service either on its own or together with other available resources, and are distinct in the context of the contract, whereby the transfer of the good or service is separately identifiable from other promises in the contract. To the extent a contract includes multiple promised goods and services, the Company must apply judgment to determine whether promised goods and services are capable of being distinct and distinct in the context of the contract. If these criteria are not met, the promised goods and services are accounted for as a combined performance obligation.

The transaction price is determined based on the consideration to which the Company will be entitled in exchange for transferring goods and services to the customer. To the extent the transaction price includes variable consideration, the Company estimates the amount of variable consideration that should be included in the transaction price utilizing either the expected value method or the most likely amount method depending on the nature of the variable consideration. Variable consideration is included in the transaction price if, in the Company's judgment, it is probable that a significant future reversal of cumulative revenue under the contract will not occur. Any estimates, including the effect of the constraint on variable consideration, are evaluated at each reporting period for any changes.

If the contract contains a single performance obligation, the entire transaction price is allocated to the single performance obligation. Contracts that contain multiple performance obligations require an allocation of the transaction price to each performance obligation on a relative standalone selling price basis unless the transaction price is variable and meets the criteria to be allocated entirely to a performance obligation or to a distinct service that forms part of a single performance obligation. The consideration to be received is allocated among the separate performance obligations based on relative standalone selling prices.

The Company satisfies performance obligations either over time or at a point in time. Revenue is recognized over time if either: (1) the customer simultaneously receives and consumes the benefits provided by the entity's performance, (2) the entity's performance creates or enhances an asset that the customer controls as the asset is created or enhanced or (3) the entity's performance does not create an asset with an alternative use to the entity and the entity has an enforceable right to payment for performance completed to date. If the entity does not satisfy a performance obligation over time, the related performance obligation is satisfied at a point in time by transferring the control of a promised good or service to a customer. ASC 606 requires the Company to select a single revenue recognition method for the performance obligation that faithfully depicts the Company's performance in transferring control of the goods and services. The guidance allows for two methods to measure progress toward complete satisfaction of a performance obligation, depending on the facts and circumstances:

Output methods - recognize revenue on the basis of direct measurements of the value to the customer of the goods or services transferred to date relative to the remaining goods or services promised under the contract (e.g., surveys of performance completed to date, appraisals of results achieved, milestones reached, time elapsed, and units of produced or units delivered); and

Input methods - recognize revenue on the basis of the entity's efforts or inputs to the satisfaction of a performance obligation (e.g., resources consumed, labor hours expended, costs incurred, or time elapsed) relative to the total expected inputs to the satisfaction of that performance obligation.

Licenses of intellectual property: If the license to the Company's intellectual property is determined to be distinct from the other performance obligations identified in the arrangement, the Company must consider the nature of the intellectual property to which the customer will have rights (i.e., access at a point in time or benefit of intellectual property enhancements over time). The Company recognizes revenue from non-refundable, up-front fees allocated to the license at a point in time/over the period the license is transferred to the customer and the customer is able to use and benefit from the license. For licenses that are bundled with other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress for purposes of recognizing revenue from non-refundable, up-front fees. The Company evaluates the measure of progress at each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.

Milestone payments: At the inception of each arrangement that includes development and regulatory milestone payments for promised goods and services, the Company evaluates the circumstances of whether the milestones will be reached and estimates the amount to be included in the transaction price that will not cause a significant revenue reversal.

Up-front payments: Up-front payments and fees are recorded as deferred revenue upon receipt or when due and may require deferral of revenue recognition to a future period until the Company performs its obligations under these arrangements. Amounts payable to the Company are recorded as a receivable within prepaid expenses and other current assets in the consolidated balance sheets when the

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Company's right to consideration is unconditional. The Company does not assess whether a contract has a significant financing component if the expectation at contract inception is such that the period between payment by the customer and the transfer of the promised goods or services to the customer will be one year or less.

*Variable Consideration*

Net revenue from sales of EKTERLY is recorded at net selling price (transaction price), which includes reserves for variable consideration such as estimated government rebates, patient assistance programs, prompt payment discounts, distribution fees, and product returns. These estimated reserves, representing the Company's best estimates of the amount of consideration to which we expect to be entitled based on the terms of the applicable contracts and statutory requirements. The related reserves are recorded as reductions of accounts receivable when no payments are required or a current liability when payment is expected. Actual amounts of consideration may differ from our estimates. If actual results vary from estimates, these estimates are adjusted, which would affect net product revenue and earnings in the period such variances become known.

Rebates: The Company estimates rebates it will provide to commercial payors and governmental programs, including Medicaid and Medicare, and deduct these estimated amounts from total gross product revenues at the time the revenues are recognized, resulting in a reduction of product revenue and the establishment of a current liability. Governmental rebate reserves are calculated based on the terms of applicable government statutory requirements and estimated product utilization by eligible patients.

Patient assistance: The Company provides financial assistance programs such as co-pay assistance to eligible commercially insured patients to help reduce out-of-pocket costs. The calculation is based on claims processed during a given period. Reserves for these programs are recorded in the same period in which the related revenue is recognized, resulting in a reduction of product revenue and establishment of a current liability.

Prompt payment discounts: The Company estimates credits to be granted to specialty pharmacies that remit payment within established incentive periods. These amounts are recorded as reductions of product revenue and accounts receivable at the time the related revenue is recognized.

Distribution fees: Distribution fees relate to payments made to customers in the distribution channel that provide inventory management, data reporting and product distribution services. These fees are generally recorded as a reduction of product revenue and a current liability at the time related revenues are recognized. If the services provided by the customer are distinct from the sale of product, the payments are instead classified as selling, general and administrative expenses.

Product returns: Reserves for estimated product returns are established in the period that the related revenue is recognized and recorded as reductions of both product revenue and accounts receivable.

***Cost of Revenue***

The Company's cost of revenue is comprised of direct costs related to its commercial revenue, including manufacturing costs and indirect costs associated with the manufacturing and distribution of its products. The Company also may include certain period costs related to manufacturing services and inventory adjustments in cost of revenue. Cost of revenue for EKTERLY does not currently include the full cost of manufacturing until the Company manufactures and sells additional inventory after exhausting its pre-launch supply. Such pre-launch supply has previously been recorded as research and development expense.

***Contract Balances***

The Company recognizes a contract asset when the Company transfers goods or services to a customer before the customer pays consideration or before payment is due, excluding any amounts presented as a receivable (i.e., accounts receivable). A contract asset is an entity's right to consideration in exchange for goods or services that the entity has transferred to a customer. The contract liabilities (i.e., deferred revenue) primarily relate to contracts where the Company has received payment but has not yet satisfied the related performance obligations. The advance consideration received from customers for research and development services and/or licenses is a contract liability, recorded as deferred revenue, until the underlying performance obligations are transferred to the customer.

***Research and Development***

Research and development costs are expensed as incurred and include, but are not limited to:

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Employee-related expenses including salaries, benefits, travel, and share-based compensation expense for research and development personnel;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Costs to manufacture the commercial drug supply of EKTERLY prior to FDA approval;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Costs associated with preclinical and development activities;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Costs associated with regulatory operations.

Costs for certain research and development activities, such as manufacturing development activities and clinical studies are recognized based on the contracted amounts adjusted for the percentage of work completed to date. Payments for these activities are based on the terms of the contractual arrangements, which may differ from the pattern of costs incurred, and are reflected on the consolidated balance sheets as prepaid or accrued expenses. The Company defers and capitalizes non-refundable advance payments made by the Company for research and development activities until the related goods are delivered or the related services are performed.

***Income Taxes***

The Company accounts for income taxes using an asset and liability approach. Under this method, deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective income tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The Company evaluates the realizability of its deferred tax assets and establishes a valuation allowance when it is more likely than not that all or a portion of deferred tax assets will not be realized. The Company has provided a full valuation allowance on its deferred tax assets.

Relative to accounting for uncertainties in tax positions, the Company recognizes the tax benefit of tax positions to the extent that the benefit will more likely than not be realized. The determination as to whether the tax benefit will more likely than not be realized is based upon the technical merits of the tax position as well as consideration of the available facts and circumstances. For those tax positions where it is more likely than not that a tax benefit will be sustained, the Company records the largest amount of tax benefit with a greater than 50% likelihood of being realized upon ultimate settlement with a taxing authority having full knowledge of all relevant information. For those income tax positions where it is not more likely than not that a tax benefit will be sustained, the Company does not recognize a tax benefit in the financial statements.

The Company recognizes interest and penalties related to uncertain tax positions, if any, as a component of income tax expense. As the Company has no uncertain tax positions, there were no interest or penalties charges recognized in the statement of operations for any years.

***Stock-Based Compensation***

The Company accounts for stock-based compensation arrangements at fair value. The fair value is recognized over the period during which the recipient is required to provide services (usually the vesting period), on a straight-line basis. Forfeitures are recognized as they are incurred.

***Net Loss Per Share***

Basic net loss per share is computed by dividing net loss by the weighted average number of common shares outstanding during the period. Diluted net loss per share is computed by dividing net loss by the sum of the weighted average number of common shares and the number of potential dilutive common share equivalents outstanding during the period. In computing diluted earnings per share, common share equivalents are not considered in periods in which a net loss is reported, as the inclusion of the common share equivalents would be anti-dilutive.

All shares underlying pre-funded warrants are included in the weighted- average number of shares of common stock used to calculate basic and diluted net loss per share because the shares may be issued for little consideration, are fully vested and exercisable after the original purchase date.

***Fair Value Measurement***

The Company classifies fair value measurements using a three-level hierarchy that prioritizes the inputs used to measure fair value. This hierarchy requires entities to maximize the use of observable inputs and minimize the use of unobservable inputs. The three levels of inputs used to measure fair value are as follows:

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Level 1 - Quoted market prices in active markets for identical assets or liabilities;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Level 2 - Observable inputs other than quoted market prices included in Level 1, such as quoted market prices for markets that are not active or other inputs that are observable or can be corroborated by observable market data;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•Level 3 - Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities, including certain pricing models, discounted cash flow methodologies, and similar techniques that use significant unobservable inputs.

See Note 3, *Fair Value Measurements,* for additional information related to fair value measurements.

**Note 3. Fair Value Measurements**

The following tables present information about financial assets and liabilities that have been measured at fair value and indicate the fair value hierarchy of the valuation inputs utilized to determine such fair value for each of the periods indicated (in thousands):

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **As of December 31, 2025** | **As of December 31, 2025** | **As of December 31, 2025** | **As of December 31, 2025** |
|  | **Total** | **Level 1** | **Level 2** | **Level 3** |
| Assets |  |  |  |  |
| &nbsp;&nbsp;Cash equivalents | $61211 | $61211 | $— | $— |
| &nbsp;&nbsp;Corporate debt securities | 53969 |  | 53969 |  |
| &nbsp;&nbsp;U.S. government agency securities | 16903 |  | 16903 |  |
| Total assets | $132083 | $61211 | $70872 | $— |
| Liabilities |  |  |  |  |
| &nbsp;&nbsp;Derivative liability | $5020 | $— | $— | $5020 |
| Total liabilities | $5020 | $— | $— | $5020 |

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **As of April 30, 2025** | **As of April 30, 2025** | **As of April 30, 2025** | **As of April 30, 2025** |
|  | **Total** | **Level 1** | **Level 2** | **Level 3** |
| Assets |  |  |  |  |
| &nbsp;&nbsp;Cash equivalents | $98644 | $98644 | $— | $— |
| &nbsp;&nbsp;Corporate debt securities | 75243 |  | 75243 |  |
| &nbsp;&nbsp;U.S. government agency securities | 13759 |  | 13759 |  |
| Total assets | $187646 | $98644 | $89002 | $— |
| Liabilities |  |  |  |  |
| &nbsp;&nbsp;Derivative liability | $6440 | $— | $— | $6440 |
| Total liabilities | $6440 | $— | $— | $6440 |

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **As of April 30, 2024** | **As of April 30, 2024** | **As of April 30, 2024** | **As of April 30, 2024** |
|  | **Total** | **Level 1** | **Level 2** | **Level 3** |
| Assets |  |  |  |  |
| &nbsp;&nbsp;Cash equivalents | $11143 | $11143 | $— | $— |
| &nbsp;&nbsp;Corporate debt securities | 130423 |  | 130423 |  |
| &nbsp;&nbsp;U.S. government agency securities | 48189 |  | 48189 |  |
| Total assets | $189755 | $11143 | $178612 | $— |

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The carrying amounts reported in the consolidated balance sheets for cash and cash equivalents, accounts receivable, net and accounts payable approximated fair value because of the immediate or short-term maturity of these financial instruments. For fair value information related to the Company's debt facilities, refer to Note 13, *Indebtedness*.

***Derivative Liability***

The estimated fair value of the derivative liability as of December 31, 2025 relates to the PSA that the Company, as guarantor, and KalVista Pharmaceuticals Limited, a wholly owned subsidiary of the Company (the "Subsidiary"), entered into with DRI in November 2024 and was determined using Level 3 inputs. Refer to Note 14, *Purchase and Sale Agreement,* for a description of the PSA. The fair value measurement of the derivative liability is sensitive to changes in the unobservable inputs used to value the financial instrument. Changes in the inputs could result in changes to the fair value of each financial instrument.

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The embedded derivative liability associated with the royalty obligation contained in the PSA, as discussed further in Note 14, *Purchase and Sale Agreement,* is measured at fair value using an option pricing Monte Carlo simulation model and is included as a component of the royalty obligation in the consolidated balance sheets. The embedded derivative liability is subject to remeasurement at the end of each reporting period, with changes in fair value recognized as a component of other income, net, in the consolidated statements of operations and comprehensive loss. The assumptions used in the option pricing Monte Carlo simulation model incorporates certain Level 3 inputs including: (1) the risk-adjusted discount rate and (2) the probability of a change in control occurring during the term of the instrument.

The Company recorded $4.4 million for the initial fair value of the derivative liability upon the closing of the PSA and subsequently recorded an incremental $2.0 million when the $22.0 million drawdown was recorded by the Company. The initial fair value allocated to the derivative liability was recorded against the royalty obligation as a debt discount, which is being amortized in interest expense in the consolidated statements of operations and comprehensive loss over the expected term using the effective interest method. The embedded derivative is subsequently remeasured at fair value each reporting period, with the change in fair value being recorded as a component of other income, net in the consolidated statements of operations and comprehensive loss. For the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025, the Company recognized $3.4 million decrease and $1.7 million increase, respectively, as a component of other income, net as the change in fair value for the embedded derivative liability, recorded as a component of the royalty obligation in the consolidated balance sheets. Refer to Note 14, *Purchase and Sale Agreement,* for details regarding the valuation methodology related to the embedded derivative and its related inputs.

***Marketable Securities***

The objectives of the Company's investment policy are to ensure the safety and preservation of invested funds, as well as to maintain liquidity sufficient to meet cash flow requirements. The Company invests its excess cash in securities issued by financial institutions, commercial companies, and government agencies that management believes to be of high credit quality in order to limit the amount of its credit exposure. The Company has not realized any material losses from its investments.

Management evaluated the unrealized losses in AFS debt securities as of December 31, 2025. The Company believes that the unrealized losses on AFS debt securities represent a temporary decline that is primarily attributable to interest rate changes. It is not considered likely that the Company will be required to sell the investments before full recovery of the amortized cost basis of the AFS debt securities, which may be at maturity. As a result, no allowance was recorded.

For the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024 the Company recorded $1.2 million, $1.6 million, and $1.3 million in realized gains, respectively.

The following tables summarize the fair value of the Company's marketable securities by type for each of the periods indicated (in thousands):

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **As of December 31, 2025** | **As of December 31, 2025** | **As of December 31, 2025** | **As of December 31, 2025** |
|  | **Amortized Cost** | **Gross<br>Unrealized Gains** | **Gross<br>Unrealized Losses** | **Fair Market Value** |
| &nbsp;&nbsp;Corporate debt securities | $53896 | $92 | $(19) | $53969 |
| &nbsp;&nbsp;U.S. government agency securities | 16855 | 48 |  | 16903 |
| Total | $70751 | $140 | $(19) | $70872 |

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **As of April 30, 2025** | **As of April 30, 2025** | **As of April 30, 2025** | **As of April 30, 2025** |
|  | **Amortized Cost** | **Gross<br>Unrealized Gains** | **Gross<br>Unrealized Losses** | **Fair Market Value** |
| &nbsp;&nbsp;Corporate debt securities | $74150 | $1093 | $— | $75243 |
| &nbsp;&nbsp;U.S. government agency securities | 13594 | 165 |  | 13759 |
| Total | $87744 | $1258 | $— | $89002 |

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **As of April 30, 2024** | **As of April 30, 2024** | **As of April 30, 2024** | **As of April 30, 2024** |
|  | **Amortized Cost** | **Gross<br>Unrealized Gains** | **Gross<br>Unrealized Losses** | **Fair Market Value** |
| &nbsp;&nbsp;Corporate debt securities | $130099 | $600 | $(276) | $130423 |
| &nbsp;&nbsp;U.S. government agency securities | 48228 | 83 | (122) | 48189 |
| Total | $178327 | $683 | $(398) | $178612 |

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The following table summarizes the scheduled maturity for the Company's marketable securities at December 31, 2025 (in thousands):

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| | |
|:---|:---|
| &nbsp;&nbsp;Maturing in one year or less | $24169 |
| &nbsp;&nbsp;Maturing after one year through two years | 39390 |
| &nbsp;&nbsp;Maturing after two years through four years | 7313 |
| Total | $70872 |

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**Note 4. Product Revenue and Accounts Receivable**

In the U.S., the Company had product sales to certain customers that each accounted for more than 10% of total gross product sales. Sales for each of these customers as a percentage of the Company's total U.S. gross product revenue are as follows:

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| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2025** | **2024** |
| &nbsp;&nbsp;Customer A | 39% | 0% | 0% |
| &nbsp;&nbsp;Customer B | 32% | 0% | 0% |
| &nbsp;&nbsp;Customer C | 20% | 0% | 0% |

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As of December 31, 2025, one entity accounted for greater than 10% of accounts receivable, net. No other individual entity accounted for greater than 10%. The Company does not have a reserve related to credit losses against its accounts receivable and expects to collect accounts receivable in the ordinary course of business.

**Note 5. Prepaid Expenses and Other Current Assets**

The following table summarizes the components of prepaid expenses and other current assets for each of the periods indicated (in thousands):

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| | | | |
|:---|:---|:---|:---|
|  | **As of** | **As of April 30,** | **As of April 30,** |
|  | **December 31, 2025** | **2025** | **2024** |
| &nbsp;&nbsp;Other prepaid expenses | $4312 | $5125 | $2833 |
| &nbsp;&nbsp;Interest and other receivables | 1664 | 1826 | 1409 |
| &nbsp;&nbsp;VAT receivable | 845 | 932 | 1023 |
| &nbsp;&nbsp;Prepaid clinical activities | 891 | 807 | 1585 |
| &nbsp;&nbsp;Kaken receivable (Note 15) |  | 11000 |  |
| Total prepaid expenses and other current assets | $7712 | $19690 | $6850 |

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**Note 6. Inventory**

The following table summarizes the components of inventory for each of the periods indicated (in thousands). No inventory reserves existed at December 31, 2025 or April 30, 2025 or 2024.

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| | | | |
|:---|:---|:---|:---|
|  | **As of** | **As of April 30,** | **As of April 30,** |
|  | **December 31, 2025** | **2025** | **2024** |
| &nbsp;&nbsp;Raw materials | $2525 | $— | $— |
| &nbsp;&nbsp;Work in process | 529 |  |  |
| &nbsp;&nbsp;Finished goods | 374 |  |  |
| Total inventory | $3428 | $— | $— |

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**Note 7. Property and Equipment**

The following table summarizes the components of property and equipment, net for each of the periods indicated (in thousands):

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| | | | |
|:---|:---|:---|:---|
|  | **As of** | **As of April 30,** | **As of April 30,** |
|  | **December 31, 2025** | **2025** | **2024** |
| &nbsp;&nbsp;Leasehold improvements | $3454 | $3091 | $2859 |
| &nbsp;&nbsp;Equipment | 2866 | 2660 | 2409 |
| &nbsp;&nbsp;Furniture & fixtures | 1646 | 571 | 402 |
| &nbsp;&nbsp;Software and computer equipment | 442 | 413 | 269 |
| Total property and equipment at cost | 8408 | 6735 | 5939 |
| Less: Accumulated depreciation | (5374) | (4747) | (3712) |
| Property and equipment, net | $3034 | $1988 | $2227 |

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For the eight-month period ended December 31, 2025 and the twelve months ended April 30, 2025 and 2024, the Company recorded depreciation expense of $0.7 million, $0.9 million, and $0.8 million, respectively.

**Note 8. Accrued Expenses**

The following table summarizes the components of accrued expenses for each of the periods indicated (in thousands):

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| | | | |
|:---|:---|:---|:---|
|  | **As of** | **As of April 30,** | **As of April 30,** |
|  | **December 31, 2025** | **2025** | **2024** |
| &nbsp;&nbsp;Compensation and benefits | $18482 | $16123 | $6687 |
| &nbsp;&nbsp;Product revenue related reserves | 4752 |  |  |
| &nbsp;&nbsp;Professional fees | 3960 | 4315 | 2042 |
| &nbsp;&nbsp;Research expenses | 3412 | 6063 | 3416 |
| &nbsp;&nbsp;Other | 2084 | 806 | 253 |
| &nbsp;&nbsp;Accrued interest | 1207 |  |  |
| Total accrued expenses and other current liabilities | $33897 | $27307 | $12398 |

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**Note 9. Stockholders' Equity**

***Direct Offerings***

In April 2024, all pre-funded warrants from a December 2022 Offering were exercised in a cashless exercise, resulting in an issuance of 182,453 shares of common stock.

In February 2024, the Company entered into an underwriting agreement with Jefferies LLC, Leerink Partners LLC, Stifel, Nicolaus & Company, Incorporated, and Cantor Fitzgerald & Co., as the representatives of several underwriters to sell an aggregate of 7,016,312 shares of our common stock at price of $15.25 per share and pre-funded warrants to purchase up to 3,483,688 shares of common stock at a price of $15.249 per pre-funded warrant (the "February 2024 Offering"). The purchase price per share of each pre-funded warrant represents the per share offering price for the common stock, less the $0.001 per share exercise price of each pre-funded warrant. The net proceeds from the Offering, after deducting $0.5 million in expenses, were approximately $150.1 million. The pre-funded warrants do not expire and are exercisable at any time after the issuance date. The Company evaluated the pre-funded warrants for liability or equity classification in accordance with the provisions of ASC Topic 480, *Distinguishing Liabilities from Equity*, and determined that equity treatment was appropriate because the pre-funded warrants did not meet the definition of liability instruments and met the criteria for permanent equity. As of December 31, 2025, no pre-funded warrants from the February 2024 Offering have been exercised.

In November 2024, the Company entered into an underwriting agreement with Jefferies LLC, BofA Securities, Inc., TD Securities (USA) LLC and Stifel Nicolaus & Company, Incorporated, as the representatives of the several underwriters, pursuant to which the Company agreed to issue and sell an aggregate of 5,500,000 shares of its common stock at an offering price of $10.00 per share. The net proceeds from the November 2024 Offering, after deducting estimated expenses, were approximately $51.3 million.

In November 2024, the Company entered into a securities purchase agreement with DRI Healthcare Acquisitions LP, pursuant to which the Company agreed to sell and issue an aggregate of 500,000 shares of Common Stock, at a purchase price of $10.00 per share in

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a private placement. The net proceeds from the private placement, after deducting placement agent fees and other expenses, were approximately $4.7 million.

In July 2025, the Company entered into a sales agreement with TD Securities (USA) LLC ("TD Cowen") pursuant to which the Company may offer and sell, from time to time at its sole discretion, shares of common stock having an aggregate offering price of up to $100.0 million (the "ATM Shares"), under the prospectus supplement, dated July 10, 2025, to the Registration Statement on Form S-3 (the "Registration Statement"), filed with the U.S. Securities and Exchange Commission on July 19, 2024, through TD Cowen as sales agent. As of December 31, 2025, the Company has not offered or sold any ATM Shares pursuant to the Registration Statement.

**Note 10. Stock-Based Compensation**

***Equity Plans***

The Company has four plans that provide for equity-based compensation; two of which are legacy plans for which no further grants are to be made. There are 7,861,748 shares of the Company's common stock that are reserved for issuance upon exercise or settlement of stock options or other awards under these four plans. In general, initial stock awards vest 25% after one year and then ratably on a monthly basis thereafter and recurring stock awards vest on a monthly or quarterly basis, such that the underlying shares will be fully vested on the fourth anniversary of the grant. Stock awards expire ten years from the date of grant.

In March 2017, the Company approved the 2017 Equity Incentive Plan (the "2017 Plan"). The 2017 Plan initially authorized 1,000,000 shares of common stock to be issued and, in subsequent years, an aggregate of 8,372,227 shares of common stock, inclusive of roll-over shares from the Company's 2015 Equity Plan, were approved and added to the 2017 Plan. As of December 31, 2025, 1,027,093 shares remain available for grant under the 2017 Plan.

In July 2021, the Company approved the 2021 Equity Inducement Plan (as amended and restated, the "2021 Inducement Plan") to reserve 350,000 shares of its common stock to be used exclusively for grants of awards as a material inducement to such individuals' entry into employment with the Company within the meaning of Rule 5635(c)(4) of the Nasdaq Listing Rules. In June 2023 and 2024 and January 2025, the Company amended and restated the 2021 Inducement Plan to register 500,000, 600,000, and 500,000 additional shares, respectively, of its common stock. As of December 31, 2025, 61,245 shares remaining available to be issued under the 2021 Inducement Plan.

In March 2017, the Company approved the 2017 Employee Stock Purchase Plan (the "ESPP") to reserve 100,000 shares of common stock for issuance and in subsequent years, an aggregate of 1,783,849 shares of common stock were approved and added to the ESPP. Through payroll deductions, full-time employees have the option to purchase the Company's common stock at a discount of 15% from the market price during predetermined offering periods each year. At December 31, 2025, 1,549,616 shares remain available for purchase under the ESPP.

***Stock-based Compensation Expense***

The Company recognizes stock-based compensation expense over the requisite service period based on the grant date fair value of the award. The Company has elected to use the Black-Scholes option pricing model to determine the fair value of awards granted. The determination of the fair value of stock-based awards utilizing the Black-Scholes model is affected by the share price and a number of assumptions, including expected volatility, expected life, risk-free interest rate, and expected dividends. Expected volatility is determined by using available historical price information of the Company's common stock. The expected life of the awards is estimated based on the simplified method. The risk-free interest rate assumption is based on observed interest rates appropriate for the terms of the awards. The dividend yield assumption is based on history and expectation of paying no dividends. Forfeitures have not been material in the periods presented.

The fair value of share-based awards granted during the periods indicated was measured with the following weighted-average assumptions for:

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| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2025** | **2024** |
| &nbsp;&nbsp;Risk-free rate | 3.85% | 4.21% | 4.29% |
| &nbsp;&nbsp;Expected life of the options | 6.25 years | 6.25 years | 6.25 years |
| &nbsp;&nbsp;Expected volatility of the underlying stock | 78.45% | 79.85% | 81.38% |
| &nbsp;&nbsp;Expected dividend rate | 0% | 0% | 0% |

---

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Stock-based compensation was reflected in the Company's consolidated statements of operations and comprehensive loss for each of the periods indicated (in thousands):

---

| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2025** | **2024** |
| &nbsp;&nbsp;Cost of revenue | $87 | $— | $— |
| &nbsp;&nbsp;Research and development | 3896 | 4959 | 9305 |
| &nbsp;&nbsp;Selling, general and administrative | 7432 | 7332 | 12610 |
| Total stock-based compensation expense | $11415 | $12291 | $21915 |

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***Stock Options***

The following table summarizes option activity for the eight-month period ended December 31, 2025:

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| | | | | |
|:---|:---|:---|:---|:---|
|  | **Shares** | **Weighted Average Exercise Price** | **Weighted Average Remaining Contractual Life (Years)** | **Aggregate Intrinsic Value (in thousands)** |
| Outstanding at April 30, 2025 | 4365952 | $13.08 | 6.46 | $12612 |
| &nbsp;&nbsp;Granted | 836920 | 11.94 |  |  |
| &nbsp;&nbsp;Exercised | (215698) | 6.07 |  |  |
| &nbsp;&nbsp;Cancelled | (236496) | 12.13 |  |  |
| Outstanding at December 31, 2025 | 4750678 | $13.24 | 6.61 | $20470 |
| Exercisable at December 31, 2025 | 2819490 | $14.69 | 4.97 | $10784 |
| Vested and expected to vest at December 31, 2025 | 4750678 | $13.24 | 6.61 | $20470 |

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The weighted-average grant date fair value of stock options granted during the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024 was $8.49, $7.75, and $7.57, respectively. The total intrinsic value (the amount by which the fair market value exceeded the exercise price) of stock options exercised during the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024 was $1.8 million, $2.5 million and $0.1 million, respectively.

As of December 31, 2025, there was $14.2 million of unrecognized stock-based compensation expense related to unvested options, which is expected to be recognized over a weighted-average period of 2.7 years.

***Restricted Stock Units***

During the eight-month period ended December 31, 2025, the Company granted Restricted Stock Units ("RSUs") from the 2017 Plan. These RSUs are subject to a service condition and vest over a four-year period with quarterly vesting.

The following table summarizes RSU activity for the eight-month period ended December 31, 2025:

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| | | |
|:---|:---|:---|
|  | **Shares** | **Weighted Average Grant Date Fair Value** |
| Outstanding at April 30, 2025 | 2610822 | $10.13 |
| &nbsp;&nbsp;Awarded | 117920 | 12.53 |
| &nbsp;&nbsp;Released | (600364) | 9.95 |
| &nbsp;&nbsp;Forfeited | (105646) | 9.36 |
| Outstanding at December 31, 2025 | 2022732 | $10.37 |

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As of December 31, 2025, the unrecognized stock-based compensation expense related to the outstanding and unvested RSUs was $20.0 million, which is expected to be recognized over a weighted-average period of 2.9 years.

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***Performance Stock Units***

The following table summarizes Performance Stock Units ("PSUs") for the eight-month period ended December 31, 2025:

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| | | |
|:---|:---|:---|
|  | **Shares** | **Weighted Average Grant Date Fair Value** |
| Outstanding at April 30, 2025 | 238250 | $8.36 |
| &nbsp;&nbsp;Awarded |  |  |
| &nbsp;&nbsp;Released | (238250) | 8.36 |
| &nbsp;&nbsp;Forfeited |  |  |
| Outstanding at December 31, 2025 |  | $— |

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In January 2023, the Company granted 360,000 PSUs to executives under the 2017 Plan with a grant date fair value of $6.82. The performance-based metric for the awards was the FDA approval of a New Drug Application ("NDA") for sebetralstat. Upon successful completion of the performance metric, 100% of the PSUs vested in full. This performance metric was certified by the Compensation Committee of the Board in July 2025, upon which $1.2 million of stock-based compensation expense related to these awards was recognized. As of December 31, 2025, there were no shares outstanding.

In June 2023, the Company granted 306,667 PSUs to executives under the 2017 Plan with a grant date fair value of $9.99. The performance-based metric for the awards was the full enrollment for the KVD900-301 clinical trial. This performance metric was certified by the Compensation Committee of the Company's Board in July 2023, with twelve months of quarterly vesting beginning in August 2023. As of December 31, 2025, the cumulative expense from these awards has been recognized and there were no shares outstanding.

In January 2024, the Company granted 306,667 PSUs to executives under the 2017 Plan with a grant date fair value of $12.71. The performance-based metric for the awards was the success of the Company's Phase 3 clinical trial of the sebetralstat program. This performance metric was certified by the Compensation Committee of the Company's Board in February 2024, with twelve months of quarterly vesting beginning in February 2024. As of December 31, 2025, the cumulative expense from these awards has been recognized and there were no shares outstanding.

In January 2024, the Company granted 81,000 PSUs to employees under the 2017 Plan with a grant date fair value of $12.85. The performance-based metrics for the awards was the successful NDA filing for sebetralstat program and the FDA approval of the NDA. Upon successful completion of the NDA filing metric, which occurred in June 2024, 25% of the PSUs vested. The remaining 75% of the PSUs vested upon successful completion of the FDA. This performance metric was certified by the Compensation Committee of the Board in July 2025, upon which the remaining compensation expense, $0.8 million, related to these awards was recognized. As of December 31, 2025, there were no shares outstanding.

**Note 11. Commitments and Contingencies**

***Commitments***

**Clinical Studies:** The Company enters into contractual agreements with contract research organizations in connection with preclinical and toxicology studies and clinical trials. Amounts due under these agreements are invoiced to the Company on predetermined schedules during the course of the studies and clinical trials and are not refundable regardless of the outcome. The Company has a contractual obligation related to the expected future costs to be incurred to complete the ongoing preclinical studies and clinical trials. The remaining clinical commitments, which have cancellation provisions, totaled $13.3 million as of December 31, 2025.

***Contingencies***

From time to time, the Company may have certain contingent liabilities that arise in the ordinary course of business activities. The Company accrues a liability for such matters when it is probable that future expenditures will be made and such expenditures can be reasonably estimated. There were no contingent liabilities requiring accrual at December 31, 2025 and April 30, 2025 and 2024.

***Indemnification***

In the normal course of business, the Company enters into contracts and agreements that contain a variety of representations and warranties and provide for general indemnification. The Company's exposure under these agreements is unknown because it involves future claims that may be made against the Company but have not yet been made. To date, the Company has not paid any claims or been

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required to defend any action related to its indemnification obligations. However, the Company may record charges in the future as a result of these indemnification obligations. No amounts associated with such indemnifications have been recorded to date.

**Note 12. Leases**

The Company maintains leases for office space and research laboratory space, and as of December 31, 2025, all leases were classified as operating leases. These leases have remaining lease terms ranging from 1 to 10 years, some of which include options to extend or terminate the leases.

Pursuant to the headquarters lease in Framingham, which commenced in September 2025, the Company provided a security deposit in the form of a letter of credit in the amount of $0.7 million, which is classified within other assets in the consolidated balance sheets.

Total rent expense was approximately $2.2 million, $2.7 million, and $2.0 million for the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024, respectively, and is reflected in selling, general and administrative expenses and research and development expenses as determined by the underlying activities.

In September 2025, the Company entered into a sublease agreement for the entirety of its office space in Cambridge for the remaining lease term for total rental payments of approximately $1.2 million. As a result of the sublease, the Company recorded an impairment charge of $1.2 million to the right of use asset related to the sublease, reducing the carrying value of the lease asset to its estimated fair value. The impairment charge is included in selling, general and administrative expenses in the consolidated statements of operations and comprehensive loss. During the eight-month period ended December 31, 2025, the Company recognized $0.1 million of sublease income, which is included in other income, net in the consolidated statements of operations and comprehensive loss.

The following table summarizes lease costs included in research and development and selling, general and administrative expense for the periods indicated (in thousands):

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| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2025** | **2024** |
| &nbsp;&nbsp;Operating lease costs | $1861 | $2211 | $1813 |
| &nbsp;&nbsp;Short-term lease costs | 277 | 508 | 114 |
| &nbsp;&nbsp;Variable lease costs | 209 | 292 | 238 |
| Total lease costs | $2347 | $3011 | $2165 |

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The following table summarizes the maturity of undiscounted payments due under lease liabilities and the present value of those liabilities as of December 31, 2025 (in thousands):

---

| | |
|:---|:---|
| **Years ending December 31,** |  |
| &nbsp;&nbsp;2026 | $2559 |
| &nbsp;&nbsp;2027 | 2977 |
| &nbsp;&nbsp;2028 | 2448 |
| &nbsp;&nbsp;2029 | 1470 |
| &nbsp;&nbsp;2030 | 1482 |
| &nbsp;&nbsp;Thereafter | 6271 |
| Total minimum lease payments | 17207 |
| &nbsp;&nbsp;Less: imputed interest | 4859 |
| Total operating lease liabilities | $12348 |
| Included in the consolidated balance sheet: |  |
| &nbsp;&nbsp;Lease liability - current portion | $1621 |
| &nbsp;&nbsp;Lease liability - net of current portion | 10727 |
| Total operating lease liabilities | $12348 |

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The following table summarizes supplemental lease information as of the periods indicated:

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| | | | |
|:---|:---|:---|:---|
|  | **As of** | **As of April 30,** | **As of April 30,** |
|  | **December 31, 2025** | **2025** | **2024** |
| &nbsp;&nbsp;Operating cash flows used for operating leases | 1316 | 1765 | 1683 |
| &nbsp;&nbsp;Weighted-average remaining lease term (years) | 7.4 | 3.9 | 5.0 |
| &nbsp;&nbsp;Weighted-average discount rate | 11.0% | 9.0% | 9.0% |

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**Note 13. Indebtedness**

In September 2025, the Company issued $143.8 million aggregate principal amount of convertible notes (the "Notes") due on October 1, 2031. The Notes are senior, unsecured obligations of the Company and bear interest at a rate of 3.25% per year, payable semi-annually in arrears on April 1 and October 1 of each year, beginning on April 1, 2026. The net proceeds were $139.1 million after deducting the discount and offering expenses of $4.7 million. The debt discount is amortized under the effective interest method and recorded as additional interest expense over the life of the Notes. The effective interest rate on the Notes is 3.85%.

The Notes are not redeemable by the Company prior to October 5, 2028. On or after October 5, 2028 and prior to July 1, 2031, the Company may redeem for cash all or part of the Notes at a redemption price equal to the principal amount of the Notes to be redeemed, plus accrued and unpaid interest, based on certain criteria, as noted in the indenture agreement.

Upon conversion, the Company may pay cash, deliver shares of its common stock or a combination of cash and common stock, as determined by the Company at its discretion. The Notes may be convertible into shares of the Company's common stock under certain circumstances prior to maturity at a conversion rate of 59.4919 shares per $1,000 principal amount of the Notes, which represents an initial conversion price of $16.81 per share, subject to adjustment.

The table below summarizes the Company's debt instruments for the periods indicated (in thousands):

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| | | | |
|:---|:---|:---|:---|
|  | **As of** | **As of April 30,** | **As of April 30,** |
|  | **December 31, 2025** | **2025** | **2024** |
| &nbsp;&nbsp;Principal amount of the Notes | $143750 | $— | $— |
| &nbsp;&nbsp;Unamortized discount - debt issuance costs | (4523) |  |  |
| Carrying value of debt instruments | $139227 | $— | $— |
| Fair value of debt instruments | $182830 | $— | $— |

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For the eight-month period ended December 31, 2025, interest expense attributable to the Notes totaled $1.4 million, which is inclusive of $0.2 million of amortization of debt discounts. The fair value of the Notes is based on open market trades and is classified as Level 2 in the fair value hierarchy.

The table below summarizes the total principal and contractual interest payments due under the Notes (in thousands):

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| | | | |
|:---|:---|:---|:---|
|  | **Principal** | **Interest** | **Total** |
| &nbsp;&nbsp;2026 | $— | $4750 | $4750 |
| &nbsp;&nbsp;2027 |  | 4737 | 4737 |
| &nbsp;&nbsp;2028 |  | 4750 | 4750 |
| &nbsp;&nbsp;2029 |  | 4737 | 4737 |
| &nbsp;&nbsp;2030 |  | 4737 | 4737 |
| &nbsp;&nbsp;Thereafter | 143750 | 4750 | 148500 |
| Total payments | $143750 | $28461 | $172211 |

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**Note 14. Purchase and Sale Agreement**

***Royalty Liability***

In November 2024, the Company entered into a PSA pursuant to which it is potentially eligible to receive payments from DRI up to $179.0 million. Under the terms of the synthetic royalty financing agreement, the Subsidiary received an upfront payment of $100.0

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million in exchange for tiered royalty payments on worldwide net sales of sebetralstat, as follows: 5.00% on annual net sales up to and including $500.0 million (the "First Tier Royalty Rate"); 1.10% on annual net sales above $500.0 million and up to and including $750.0 million; and 0.25% on annual net sales above $750.0 million.

Beginning in calendar year 2031, the First Tier Royalty Rate for any calendar year will be determined based on annual net sales of sebetralstat for the prior calendar year: 5.00% if the prior year's annual net sales are at or above $500.0 million or 5.65% if the prior year's annual net sales are below $500.0 million. Additionally, if sebetralstat achieves annual net sales of at least $550.0 million in any calendar year ending before January 1, 2031, the Subsidiary will earn a sales-based milestone payment of $50.0 million.

As sebetralstat was approved prior to October 1, 2025, the Subsidiary elected to receive the one-time cash payment of $22.0 million in July 2025. As a result, the First Tier Royalty Rate on net sales up to and including $500.0 million increased from 5.00% to 6.00% and the sales-based milestone increased from $50.0 million to $57.0 million. Additionally, beginning in calendar year 2031, the First Tier Royalty Rate will increase from 5.00% to 6.00% if the prior year's annual net sales are at or above $500.0 million and from 5.65% to 6.75% if the prior year's annual net sales are below $500.0 million.

On receipt of the $100.0 million payment from DRI, the Company recorded a royalty obligation of $93.6 million, net of the initial fair value of the bifurcated embedded derivative liability upon execution of the PSA, and debt issuance costs incurred. With the additional $22.0 million payment from DRI obtained in July 2025, the Company recorded a royalty obligation of $122.9 million, net of the fair value of the bifurcated embedded derivative liability.

The PSA is considered a sale of future revenues and is accounted for as long-term debt recorded at amortized cost using the effective interest rate method. The effective interest rate is calculated based on the rate that would enable the debt to be repaid in full over the anticipated life of the arrangement. The Company recorded $11.5 million and $5.7 million of interest expense for the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025, respectively, related to this arrangement in the consolidated statements of operations and comprehensive loss. The interest rate on this liability may vary during the term of the agreement depending on a number of factors, including the level of forecasted net sales. The Company evaluates the interest rate quarterly based on its current net sales forecasts utilizing the prospective method. A significant increase or decrease in actual or forecasted net sales may materially impact the revenue interest liability, interest expense, other income, and the time period for repayment. The royalty obligation, net of the bifurcated embedded derivative liability, had a net carrying amount of $127.6 million as of December 31, 2025.

The PSA is denominated in U.S. Dollars and was executed with the Company's wholly owned U.K. Subsidiary, whose functional currency is the British Pound.

***Embedded Derivative Liability***

Under the PSA, the Subsidiary has the option (the "Buy-Back Option") to repurchase future Revenue Participation Rights at any time until December 31, 2026 either (i) in the event of a change of control of the Subsidiary or (ii) in the event that confirmation that payment of the Revenue Participation Rights will not receive certain tax treatment has not been obtained. Additionally, DRI has an option (the "Put Option") to require the Subsidiary to repurchase future Revenue Participation Rights in the event of a change of control of the Subsidiary exercisable until December 31, 2026. If the Put Option or the Buy-Back Option is exercised terminating the PSA, the required repurchase price is an amount equal to (a) 1.5 multiplied by (b) the Investment Amount, net of the sum of any payments received by DRI prior to such Put Option or Buy-Back Option repurchase date, as applicable.

The Buy-Back and Put Options are considered embedded derivatives requiring bifurcation as a single compound derivative instrument. The Company estimated the fair value of the derivative liability using a "with-and-without" method. The with-and-without methodology involves valuing the whole instrument on an as-is basis and then valuing the instrument without the individual embedded derivative. The difference between the entire instrument with the embedded derivative compared to the instrument without the embedded derivative is the fair value of the derivative liability.

The Company recorded $4.4 million for the initial fair value of the derivative liability upon the closing of the PSA and subsequently recorded an incremental $2.0 million when the $22.0 million drawdown was recorded by the Company. The initial fair value allocated to the derivative liability was recorded against the royalty obligation as a debt discount, which is being amortized in interest expense in the consolidated statements of operations and comprehensive loss over the expected term using the effective interest method. The embedded derivative is subsequently remeasured at fair value each reporting period, with the change in fair value being recorded as a component of other income, net in the consolidated statements of operations and comprehensive loss. The Company recognized a $3.4 million decrease and $1.7 million increase for the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025, respectively, as a component of other income, net as the change in fair value for the embedded derivative liability. Bifurcated embedded derivatives are classified with the related host contract in the Company's consolidated balance sheets. Of the $132.6 million royalty obligation as of December 31, 2025, the embedded derivative had a fair value of $5.0 million.

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The estimated probability and timing of underlying events triggering the exercisability of the Buy-Back and Put Options contained in the PSA, forecasted cash flows and the discount rate are significant unobservable inputs used to determine the estimated fair value of the entire instrument with the embedded derivative. Management concluded the Buy-Back Option probability was in the lower quartile of possible outcomes. At inception, the estimated market yield used for the valuation of the derivative liability was 9.15%. As of December 31, 2025, the estimated market yield used for the valuation of the derivative liability was 12.00%.

**Note 15. License, Supply and Distribution Agreement**

***Kaken Pharmaceutical Co., Ltd***

In April 2025, the Company entered into a License, Supply and Distribution Agreement (the "Kaken Agreement") with Kaken Pharmaceutical Co., Ltd. ("Kaken") pursuant to which the Company licensed exclusive commercialization rights in Japan to Kaken for the Licensed Product (as defined in the Kaken Agreement) in exchange for a non-refundable upfront payment of $11.0 million, potential regulatory and sales milestone payments totaling approximately $13.0 million, and effective royalty payments in the mid-twenties percentage that shall be payable for each unit of revenue of Licensed Product that the Company supplies, which reflect a percentage of the Japanese National Health Insurance price of the Licensed Product. The Kaken Agreement has a 10-year initial term.

Per the terms of the Kaken Agreement, the Company is responsible for obtaining and maintaining all regulatory approvals, performing regulatory submissions for the Licensed Product in Japan and supplying the Licensed Product to Kaken. Kaken received an exclusive license to commercialize the Licensed Product in Japan, including the right to ship, store, and distribute the Licensed Product for such commercialization during the term of the Kaken Agreement. The Company retains manufacturing rights for the Licensed Product and is responsible for the Company's own costs associated with the performance of activities under the Kaken Agreement.

Under the terms of the Kaken Agreement, Kaken paid the Company a non-refundable upfront payment of $11.0 million in June 2025. The obligations have not been met, and as such, the $11.0 million non-refundable upfront payment has been recorded as deferred revenue in the consolidated balance sheets as of December 31, 2025.

The potential regulatory and sales milestone payments that the Company is eligible to receive will be recorded if and when they become probable.

Any future potential revenue from units sold to Kaken will be recorded in accordance with ASC 606.

**Note 16. Income Taxes**

The following table summarizes the components of the Company's (loss) income before income taxes for the periods indicated (in thousands):

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| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2025** | **2024** |
| &nbsp;&nbsp;Domestic | $(116817) | $(91644) | $(52661) |
| &nbsp;&nbsp;Foreign | 6260 | (88408) | (73983) |
| Total | $(110557) | $(180052) | $(126644) |

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For the eight-month period ended December 31, 2025, the Company recorded $1.0 million of income tax benefit in the U.K., all of which relates to the current year provision. For the twelve months ended April 30, 2025, the Company recorded $3.4 million of income tax expense in the U.K. For the twelve months ended April 30, 2024, the Company did not record any income tax benefit or expense in any jurisdiction.

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A reconciliation between the effective tax rates and statutory rates for the twelve months ended April 30, 2025 and 2024 is as follows:

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| | | |
|:---|:---|:---|
|  | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2024** |
| &nbsp;&nbsp;Income tax benefit at U.S. federal statutory rate | 21.0% | 21.0 |
| &nbsp;&nbsp;Foreign rate differential | 1.8 | 2.3 |
| &nbsp;&nbsp;Nondeductible expenses - UK R&D credit | (0.4) | (8.3) |
| &nbsp;&nbsp;UK income from royalty financing | (15.3) |  |
| &nbsp;&nbsp;162(m) permanent adjustment | (0.4) | (1.9) |
| &nbsp;&nbsp;Other | (0.2) | (0.4) |
| &nbsp;&nbsp;GILTI | (7.2) |  |
| &nbsp;&nbsp;Valuation allowance | (1.3) | (12.7) |
|  | (2.0)% |  |

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As described in Note 2, *Summary of Significant Accounting Policies*, the Company elected to prospectively adopt the guidance of ASU 2023-09. The table below reconciles the U.S. federal statutory rate of 21% to the Company's effective tax rate for the eight-months ended December 31, 2025.

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| | | |
|:---|:---|:---|
|  | **Eight Months Ended December 31, 2025** | **Eight Months Ended December 31, 2025** |
|  | **Amount (in thousands)** | **Percent** |
| Loss before income tax expense | $(110557) |  |
| Income tax benefit at U.S. federal statutory rate | (23217) | 21.0% |
| State and local income taxes (net of federal income tax effect) |  |  |
| Foreign tax effects: |  |  |
| &nbsp;&nbsp;Switzerland |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Rate differential | 830 | (0.8) |
| &nbsp;&nbsp;&nbsp;&nbsp;Valuation allowance | 1462 | (1.3) |
| &nbsp;&nbsp;&nbsp;&nbsp;Other | 15 |  |
| &nbsp;&nbsp;United Kingdom |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Valuation allowance | 568 | (0.5) |
| &nbsp;&nbsp;&nbsp;&nbsp;Tax credits | (5122) | 4.6 |
| &nbsp;&nbsp;&nbsp;&nbsp;Other | (369) | 0.3 |
| &nbsp;&nbsp;Other foreign countries | 268 | (0.2) |
| Changes in valuation allowance | 13968 | (12.6) |
| Tax credits | (41) |  |
| Nontaxable or nondeductible items |  |  |
| &nbsp;&nbsp;162(m) | 758 | (0.7) |
| &nbsp;&nbsp;Stock-based compensation | 486 | (0.4) |
| &nbsp;&nbsp;GILTI | 9104 | (8.2) |
| &nbsp;&nbsp;Other nontaxable or nondeductible | 92 | (0.1) |
| Other adjustments |  |  |
| &nbsp;&nbsp;Other items | 165 | (0.1) |
| Total income tax benefit and effective rate | $(1033) | 1.0% |

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The following table summarizes the tax effect of significant temporary differences representing deferred tax assets and liabilities for the periods indicated (in thousands):

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| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2025** | **2024** |
| Deferred tax assets: |  |  |  |
| &nbsp;&nbsp;Net operating loss carryforwards | 86363 | 54638 | 50179 |
| &nbsp;&nbsp;Operating lease liabilities | 2733 | 1124 | 1406 |
| &nbsp;&nbsp;174 capitalization | 168 | 1717 | 2168 |
| &nbsp;&nbsp;Stock-based compensation | 5504 | 4535 | 3708 |
| &nbsp;&nbsp;Other | 18807 | 4170 | 2506 |
| &nbsp;&nbsp;Valuation allowance | (111198) | (65064) | (58537) |
| Total deferred tax assets, net of valuation allowance | $2377 | $1120 | $1430 |
| Deferred tax liabilities: |  |  |  |
| &nbsp;&nbsp;Right of use assets | (2131) | (943) | (1325) |
| &nbsp;&nbsp;Other | (246) | (177) | (105) |
| Total deferred tax liabilities | $(2377) | $(1120) | $(1430) |
| Net deferred tax asset | $— | $— | $— |

---

Management of the Company has determined it is not more likely than not that the Company will recognize the benefits of net deferred tax assets, the majority of which are NOLs, and has provided a valuation allowance for the full amount of deferred tax assets as of December 31, 2025 and April 30, 2025 and 2024. During the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024 the valuation allowance increased by $46.1 million, $6.5 million, and $13.3 million, respectively. Realization of deferred tax assets is dependent upon the generation of future taxable income.

The ability to utilize the Company's domestic net operating losses is limited due to changes in ownership as defined by Section 382 of the Internal Revenue Code (the "Code"). Under the provisions of Sections 382 and 383 of the Code, a change of control, as defined in the Code, imposes an annual limitation on the amount of the Company's pre-change net operating loss and tax credit carryforwards, and other tax attributes that can be used to reduce future tax liabilities. The Company determined that ownership changes occurred as a result of public offerings in December 2005, a transaction in November 2016, and public offerings in February 2019 and December 2022. The Company most recently underwent a change of ownership on December 28, 2022. The Company evaluated the 382 position for the period of December 29, 2022 through December 31, 2025 and concluded that the Company did not have any ownership changes during the period of December 29, 2022 to December 31, 2025.

The Company has $111.0 million of NOLs subject to 382 limitation. As a result of these ownership changes, it is estimated that the effect of Section 382 will generally limit the amount of the net operating loss carryforwards that are available to offset future taxable income to approximately $1.5 million, annually. Due to this annual limitation, the Company expects $76.7 million of federal NOL to go unutilized.

As of December 31, 2025, the Company has available NOL carryforwards for U.S. federal income taxes of $6.1 million generated prior to the Tax Cuts and Jobs Act, that expire in 2036. The Company has an additional $90.9 million in NOL carryforwards generated after the Tax Cuts and Jobs Act that can be carried forward indefinitely. Of the $6.1 million of NOL expiring in 2036, $3.7 million remains subject to the Section 382 limitation for the change of ownership that occurred on November 21, 2016, and is subject to an annual 382 limitation of $0.3 million, and $2.4 million of NOLs are only subject to a $1.5 million annual limitation. Of the remaining $90.9 million of indefinite NOL, $23.0 million is subject to an annual 382 limitation of $1.5 million. The Company also has NOL carryforwards for state income taxes of $166.3 million that begin to expire in 2036, NOL carryforwards for U.K. income taxes of $216.7 million that do not expire, and $3.8 million of NOLs carryforwards in Japan that begin to expire in 2034.

The Company has $1.5 million of R&D credit carryforward subject to 383 limitation. As a result of these ownership changes, it is estimated that the effect of Section 383 will be the limitation of all of these R&D credit carryforwards, with $1.5 million of credit to expire unutilized.

The Company recognizes the financial statement effects of a tax position when it becomes more likely than not, based upon the technical merits, that the position will be sustained upon examination. The Company files U.S. Federal tax returns, as well as certain state returns. The Company also files returns in the United Kingdom. The Company is subject to U.S. Federal, state, and U.K. income tax examinations by authorities for tax years ending after 2021. There are currently no federal, state, or U.K. audits in process. Tax year 2021 and subsequent years contain matters that could be subject to differing interpretations of the applicable tax laws and regulations as it relates to the amount and or timing of income, deductions, and tax credits. Although the outcome of tax audits is always uncertain,

------

management has analyzed the Company's tax positions taken for all open tax years and has concluded that no provision for unrecognized tax benefits from uncertain tax positions is required in the Company's consolidated financial statements for the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024.

The One Big Beautiful Bill Act ("OBBBA") was signed into law on July 4, 2025, and makes changes to the deductibility of certain business expenditures including interest expense, research and development expenditures, and property and equipment, and makes changes to elements of U.S. cross-border taxation. The Company implemented the changes enacted under the OBBBA, which impacted the Company's deferred tax assets as of July 4, 2025, the date of enactment, via the reversal of approximately $1.7 million of deferred tax assets resulting from capitalized research expenses incurred through December 31, 2024. The reversal is reflected in the Company's consolidated financial statements for the eight-month period ended December 31, 2025.

Under the U.K. government's research and development tax incentive scheme, the Company incurred qualifying research and development expenses and filed claims for research and development tax credits in accordance with the relevant tax legislation. The research and development tax credits are paid to the Company in cash and reported as other income. In March 2026, the Company received an enquiry from HMRC opening a check on its R&D credit for the April 30, 2024 tax year.

**Note 17. Net Loss per Share**

Basic net loss per share is computed by dividing the net loss by the weighted average number of common shares outstanding during the period. Diluted net loss per share is computed by dividing net loss by the sum of the weighted average number of common shares and the number of potential dilutive common share equivalents outstanding during the period. Potential dilutive common share equivalents consist of shares to be issued upon conversion of convertible notes, outstanding options, unvested restricted stock units, unvested performance stock units, and shares committed to be purchased under the employee stock purchase plan.

Potential dilutive common share equivalents consist of:

---

| | | | |
|:---|:---|:---|:---|
|  | **December 31,** | **April 30,** | **April 30,** |
|  | **2025** | **2025** | **2024** |
| &nbsp;&nbsp;Common stock issuable under equity incentive plans | 6841669 | 7311578 | 5661896 |
| &nbsp;&nbsp;Common stock issuable upon conversion of notes | 8551960 |  |  |
| Total | 15393629 | 7311578 | 5661896 |

---

In computing diluted earnings per share, common share equivalents are not considered in periods in which a net loss is reported, as the inclusion of the common share equivalents would be anti-dilutive. As a result, there is no difference between the Company's basic and diluted loss per share for the periods presented.

The weighted average number of common shares used in the basic and diluted net loss per common share calculations includes the weighted-average pre-funded warrants outstanding during the period as they are exercisable at any time for nominal cash consideration. There were 3,483,688 pre-funded warrants outstanding at December 31, 2025 and April 30, 2025 and 2024.

**Note 18. Defined Contribution Plans**

Employees of the U.S. parent company are eligible to participate in the Company's 401(k) Plan in which a percentage of employee contributions are supplemented by matching contributions by the Company. Participation in a personal pension plan is available to all non-U.S. based employees upon commencement of their employment. Employer contributions are made in accordance with local regulations as well as the terms and conditions of the employment contract. Total employer contributions to the plans for the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024 were $1.7 million, $1.9 million, and $1.1 million, respectively.

**Note 19. Segment Information**

Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision-maker ("CODM") in deciding how to allocate resources and assess performance. The Company operates in one business segment. The Company's CODM is its Chief Executive Officer, who reviews financial information presented on a consolidated basis. The CODM's financial review is focused on the consolidated financial results of the Company which is used as the basis for financial performance assessment and allocation of resources.

------

The following table presents selected financial information with respect to the Company's single operating segment for the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024 (in thousands):

---

| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2025** | **2024** |
| Product revenue, net | $49078 | $— | $— |
| Segment expenses and other segment items |  |  |  |
| &nbsp;&nbsp;Cost of revenue | 3081 |  |  |
| &nbsp;&nbsp;Clinical development | 14723 | 43166 | 46520 |
| &nbsp;&nbsp;Research | 12851 | 19713 | 36074 |
| &nbsp;&nbsp;Regulatory & QA | 5239 | 8830 | 3573 |
| &nbsp;&nbsp;Commercial | 89441 | 62859 | 18481 |
| &nbsp;&nbsp;Other SG&A | 35780 | 53427 | 35797 |
| &nbsp;&nbsp;Other income | (1480) | (7943) | (13801) |
| &nbsp;&nbsp;Income tax (benefit) expense | (1033) | 3392 |  |
| Segment net loss | (109524) | (183444) | (126644) |
| *Reconciliation of segment profit or loss:* |  |  |  |
| &nbsp;&nbsp;Adjustments and reconciling items |  |  |  |
| Consolidated net loss | $(109524) | $(183444) | $(126644) |

---

**Note 20. Other Income, Net**

The following table summarizes the components of other income, net for the periods indicated (in thousands):

---

| | | | |
|:---|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Twelve Months Ended<br>April 30,** | **Twelve Months Ended<br>April 30,** |
|  | **2025** | **2025** | **2024** |
| &nbsp;&nbsp;R&D tax credit | $3722 | $5014 | $8452 |
| &nbsp;&nbsp;Realized gain on sale of marketable securities | 1227 | 1561 | 1325 |
| &nbsp;&nbsp;Change in fair value of derivative liability | 3390 | (1760) |  |
| &nbsp;&nbsp;Other | 217 | (3) | (10) |
| Total other income, net | $8556 | $4812 | $9767 |

---

As of December 31, 2025 and April 30, 2025 and 2024 the Company had research and development tax credits receivable totaling $6.2 million, $1.4 million and $8.4 million, respectively. This tax credit is related to a tax scheme for small and medium enterprises in the U.K. as well as an R&D expenditure credit system that allows the Company to file a claim for cash credit in proportion to the Company's R&D expenditure for the year. This amount is included in other income as it is a refundable credit that does not depend on the Company's ongoing tax status or position. For the eight-month period ended December 31, 2025 and twelve months ended April 30, 2025 and 2024, the Company recognized $3.7 million, $5.0 million, and $8.5 million related to these programs, respectively.

The Company receives tax credits from the U.K. government based on claims made under the Small Medium Enterprise (SME) research and development tax relief program. Qualifying expenditures largely relate to research and development activities performed by third parties on the Company's behalf, as well as employment costs for research staff and consumables incurred. The research and development tax credits are recognized when the qualifying expenditure has been incurred and there is reasonable assurance that the reimbursement will be received.

**Note 21. Transition Period Comparative Data**

As discussed in *Note 1, Organization and Nature of Business,* this Transition Report on Form 10-KT includes information for the eight-months ended December 31, 2025 and twelve months ended April 30, 2025 and 2024. A condensed consolidated statement of

------

operations for the eight-months ended December 31, 2025 and December 31, 2024 is presented in the table below (in thousands). The data for the eight-months ended December 31, 2024 is unaudited.

---

| | | |
|:---|:---|:---|
|  | **Eight Months Ended<br>December 31,** | **Eight Months Ended<br>December 31,** |
|  | **2025** | **2024** |
| Product revenue, net | $49078 | $— |
| &nbsp;&nbsp;Total operating expenses | 161115 | 117030 |
| Operating loss | (112037) | (117030) |
| &nbsp;&nbsp;Total other income | 1480 | 6576 |
| Loss before income tax (benefit) expense | (110557) | (110454) |
| &nbsp;&nbsp;Income tax (benefit) expense | (1033) |  |
| Net loss | $(109524) | $(110454) |
| Weighted average shares outstanding-basic and diluted | 53870007 | 47958970 |
| Net loss per share |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;Basic and diluted | (2.03) | (2.30) |

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## Exhibit 10.12

**Exhibit 10.12**

**EXECUTIVE EMPLOYMENT AGREEMENT**

This Executive Employment Agreement ("**Agreement**") is made and entered into on this 18th day of September, 2025 by and between KalVista Pharmaceuticals, Inc., a Delaware corporation (the "**Company**"), and **Bilal Arif** (hereinafter, the "**Executive**").

**RECITALS**

WHEREAS, the Company desires to employ the Executive and the Executive desires to be employed by the Company on the terms herein described.

NOW, THEREFORE, in consideration of the premises and mutual covenants set forth herein, and for other good and valuable consideration, the receipt and sufficiency of which are mutually acknowledged, the Company and the Executive hereby agree as follows:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**1. Employment**. The Company hereby agrees to employ the Executive and the Executive hereby agrees to serve the Company during the Term of Employment on the terms and conditions set forth herein. Executive's employment under this Agreement shall commence on or about **October 6, 2025** (as applicable, the "**Employment Start Date**").

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**2. Position and Duties of Executive**. During the Term of Employment, the Executive shall be employed and serve as the **Chief Operating Officer** of the Company, and shall have such duties typically associated with such title, including, without limitation supervising operations and management of the Company and its subsidiaries. The Executive shall faithfully and diligently perform all services as may be assigned to Executive by the CEO, and shall exercise such power and authority as may from time to time be delegated to Executive by the CEO. The Executive shall devote Executive's full business time, attention and efforts to the performance of Executive's duties under this Agreement, render such services to the best of Executive's ability, and use Executive's reasonable best efforts to promote the interests of the Company. The Executive shall not engage in any other business or occupation during the Term of Employment, including, without limitation, any activity that (i) conflicts with the interests of the Company or its subsidiaries, (ii) interferes with the proper and efficient performance of Executive's duties for the Company, or (iii) interferes with the exercise of Executive's judgment in the Company's best interests. Notwithstanding the foregoing or any other provision of this Agreement, it shall not be a breach or violation of this Agreement for the Executive to (w) serve on <u>one</u> outside corporate or scientific advisory board with prior notice to the Company, (x) serve on civic or charitable boards or committees, (y) deliver lectures or fulfill speaking engagements, or (z) manage personal investments, so long as any such activities do not interfere with or detract from the performance of the Executive's responsibilities to the Company in accordance with this Agreement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**3. Compensation and Benefits.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) ***Base Salary***. The Executive shall receive a Base Salary at the annual rate of **$520,000** with such Base Salary payable in installments consistent with the Company's normal payroll schedule, subject to applicable withholding and other taxes. The Base Salary shall be reviewed, at least annually, for merit increases and may, by action and in the discretion of the Board (or its Compensation Committee), be increased at any time or from time to time, but may not be decreased from the then current Base Salary.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) ***Bonuses***. During the Term of Employment, the Executive shall participate in the Company's annual incentive compensation plan, program and/or arrangements applicable to senior-level executives, as established and modified from time to time by the Compensation Committee of the Board in its sole discretion. During the Term of Employment, the Executive shall have a target bonus opportunity under such plan or program equal to **40%** of Executive's then-current Base Salary (the "**Target Bonus**"), based on satisfaction of performance criteria to be established by the Compensation Committee of the Board within the first three months of each fiscal year that begins during the Term of Employment. Payment of any earned bonus for the fiscal year in which Executive commences employment will be pro-rated based upon the number of days Executive is employed during such year. Payment of annual incentive compensation awards shall be made in the same manner and at the same time that other senior-level executives receive their annual incentive compensation awards, but in no event later than 2 ½ months following the

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last day of the applicable Company fiscal year, and, except as otherwise provided herein, will be subject to the Executive's continued employment through the last day of the applicable Company fiscal year.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) ***Compensation/Benefit Programs***. During the Term of Employment, the Executive shall be entitled to participate in all medical, dental, hospitalization, accidental death and dismemberment, disability, travel and life insurance plans, 401(k) plans, and any and all other plans as are presently and hereinafter offered by the Company to its executive personnel, subject to the general eligibility and participation provisions set forth in such plans.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) ***Equity Awards***. Subject to the approval of the Board (or its Compensation Committee), Executive will be granted an option (the "**Initial Option**") to purchase **100,000 shares** of the Company's common stock (the "**Shares**") at an exercise price per share equal to the closing price per share of Company Common Stock as reported on The Nasdaq Global Market on the date of grant, or, if no closing sale price is reported on the date of grant, the closing sale price of the Common Stock on the next day for which a closing sale price is reported as determined by the Board (or its Compensation Committee). The Initial Option shall vest over a four (4) year period, with (i) 25% of the Shares subject to the Initial Option vesting on the one (1) year anniversary of the Executive's Employment Start Date (such one year anniversary, the "**First Vesting Date**") and (ii) thereafter, 1/48th of the Shares subject to the Initial Option vesting on each successive monthly anniversary of the First Vesting Date, subject to the terms and conditions of the Company's 2021 Equity Inducement Plan, the applicable award agreement evidencing the Initial Option and Executive's continued service through each applicable vesting date. Thereafter, during the Term of Employment, the Executive shall be eligible to be granted Equity Awards. The number and type of such Equity Awards, and the terms and conditions thereof, shall be determined by the Board (or its Compensation Committee), in its discretion.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) ***Vacation***. The Executive shall be entitled to 25 days of paid vacation each calendar year during the Term of Employment, subject to the terms of the Company's then effective vacation or paid time off policy.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) ***Reimbursement of Reasonable Business Expenses****.* Subject to submission of proper substantiation by the Executive, and subject to such rules and guidelines as the Company may from time to time adopt with respect to the reimbursement of reasonable business expenses of executive personnel, the Company shall reimburse the Executive for all reasonable expenses actually paid or incurred by the Executive during the Term of Employment in the course of and pursuant to the business of the Company. The Executive shall account to the Company in writing for all expenses for which reimbursement is sought and shall supply to the Company copies of all relevant invoices, receipts or other evidence reasonably requested by the Company.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**4. Termination.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) ***General***. The Term of Employment shall terminate upon termination of Executive's employment for any reason. Upon any termination of Executive's employment for any reason, except as may otherwise be requested by the Company in writing and agreed upon in writing by Executive, the Executive shall resign from any and all directorships, committee memberships or any other positions Executive holds with the Company or any of its Related Entities.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) ***Termination by the Company for Cause****.* The Company shall at all times have the right, upon written notice to the Executive, to terminate the Term of Employment for Cause. In no event shall a termination of the Executive's employment for Cause occur unless the Company gives written notice to the Executive in accordance with this Agreement stating with reasonable specificity the events or actions that constitute Cause. In the event that the Term of Employment is terminated by the Company for Cause, Executive shall be entitled only to the Accrued Obligations.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) ***Death***. In the event that the Term of Employment is terminated due to the Executive's death, the Executive's estate shall be entitled to (i) the Accrued Obligations and (ii) any insurance benefits to which Executive and Executive's beneficiaries are entitled as a result of Executive's death.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) ***Termination Without Cause outside of a Change in Control of the Company or Resignation With Good Reason outside of a Change in Control of the Company***. The Company may terminate the Term of Employment without Cause, and the Executive may terminate the Term of Employment for Good Reason, at any time upon written

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notice. If the Term of Employment is terminated by the Company without Cause (other than due to the Executive's death or disability, in accordance with law) or by the Executive for Good Reason, in either case prior to the date of a Change in Control or more than two years after a Change in Control, the Executive shall be entitled to the following:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) The Accrued Obligations;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) A lump sum payment equal to **12 months** of Executive's then-current Base Salary;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) Provided that the Executive timely elects continued coverage under COBRA, the Company will reimburse the Executive for the monthly COBRA cost of continued health and dental coverage of the Executive and Executive's qualified beneficiaries paid by the Executive under the health and dental plans of the Company, less the amount that the Executive would be required to contribute for health and dental coverage if the Executive were an active employee of the Company, for **12 months** (or, if less, for the duration that such COBRA coverage is available to Executive). Notwithstanding the above, if the Company determines in its sole discretion that it cannot provide the COBRA benefits described herein without violating applicable law (including, without limitation, Section 2716 of the Public Health Service Act), the Company shall in lieu thereof provide Executive with a taxable lump sum payment in an amount equal to the then-unreimbursed monthly COBRA premiums.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) ***Termination by Executive Without Good Reason***. The Executive may terminate Executive's employment without Good Reason by providing the Company 30 days' written notice of such termination. In the event of a termination of employment by the Executive under this <u>Section 4(e)</u>, the Executive shall be entitled only to the Accrued Obligations. In the event of termination of the Executive's employment under this <u>Section 4(e)</u>, the Company may, in its sole and absolute discretion, by written notice, accelerate such date of termination and still have it treated as a termination without Good Reason.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) ***Termination Without Cause in connection with a Change in Control of the Company or Resignation With Good Reason in connection with a Change in Control of the Company***. If the Executive's employment is terminated by the Company (or any entity to which the obligations and benefits under this Agreement have been assigned pursuant to <u>Section 9(b)</u>) without Cause (other than due to the Executive's death or disability, in accordance with law) or by the Executive for Good Reason, in either case during the two year period commencing upon a Change in Control, then the Executive shall be entitled to the following:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) The Accrued Obligations;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) A lump sum payment equal to **12 months** of Executive's then-current Base Salary;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) A lump sum payment equal to the Executive's full Target Bonus for the fiscal year in which the Termination Date occurs;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) Provided that the Executive timely elects continued coverage under COBRA, the Company will reimburse the Executive for the monthly COBRA cost of continued health and dental coverage of the Executive and Executive's qualified beneficiaries paid by the Executive under the health and dental plans of the Company, less the amount that the Executive would be required to contribute for health and dental coverage if the Executive were an active employee of the Company, for **12 months** (or, if less, for the duration that such COBRA coverage is available to Executive). Notwithstanding the above, if the Company determines in its sole discretion that it cannot provide the COBRA benefits described herein without violating applicable law (including, without limitation, Section 2716 of the Public Health Service Act), the Company shall in lieu thereof provide Executive with a taxable lump sum payment in an amount equal to the then-unreimbursed monthly COBRA premiums.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v) Each of the Executive's then-outstanding unvested Equity Awards, including awards that would otherwise vest upon satisfaction of performance metrics or factors other than the continuation of the Executive's employment with the Company (the "***Performance-Based Equity Awards***") shall automatically accelerate and become fully vested and, if applicable exercisable, and any forfeiture restrictions thereon shall immediately lapse, effective as of the date of such termination; provided, however the grant agreement for

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the Performance-Based Equity Awards may provide for alternative treatment upon such a termination and, absent any such treatment in such grant agreement, the vesting acceleration provided for herein shall be deemed to have been met based on the achievement of the Performance-Based Equity Award "at target" or, if determinable, actual performance.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vi) Notwithstanding anything to the contrary herein or in any equity plan or any award agreement applicable to Equity Awards granted thereunder, if the successor or acquiring corporation (if any) of the Company refuses to assume, convert, replace or substitute the Executive's unvested Equity Awards in connection with a Change in Control, each of the Executive's unvested Equity Awards that are not assumed, converted, replaced or substituted, shall accelerate and become fully vested and if applicable, exercisable, effective immediately prior to the Change in Control. With respect to Performance-Based Equity Awards, the grant agreement may provide for alternative treatment and, absent any such treatment in such grant agreement, the vesting acceleration provided for herein shall be deemed to have been met based on the achievement of the Performance-Based Equity Award "at target" or, if determinable, actual performance.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g) ***Release***. All rights, payments and benefits due to the Executive under this <u>Section 4</u> (other than the Accrued Obligations) shall be conditioned on the Executive's execution of a general release of claims against the Company and its affiliates substantially in the form attached hereto as <u>Exhibit A</u> (the "**Release**") and on that Release becoming irrevocable within 60 days following the Termination Date. The severance described in this <u>Section 4</u> (other than Accrued Obligations) shall be paid no later than the first business day following the sixtieth (60th) day following the termination of employment of Executive and in compliance with the timeframe required under Section 409A as set forth herein, and the first payment will include the payments due and owing prior to that payment date but for the application of this sentence. If the Straddle Period (as defined below) spans two (2) calendar years, then the cash payments under this <u>Section 4</u> (other than Accrued Obligations) shall first be made on the first business day in the second calendar year that occurs after the expiration of the sixty (60)-day period in which the Release must be delivered and effective, as described in this <u>Section 4</u>. The "**Straddle Period**" shall mean the sixty (60)-day period following a termination of employment in which the Release is to be executed and become irrevocable pursuant to this <u>Section 4</u>.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h) ***280G***. Notwithstanding anything in this Agreement to the contrary, if any payment or distribution to the Executive pursuant to this Agreement or otherwise ("**Payment**") would (i) constitute a "parachute payment" within the meaning of Section 280G of the Code and (ii) but for this sentence, be subject to the excise tax imposed by Section 4999 of the Code (the "**Excise Tax**"), then such Payment shall either be (A) delivered in full or (B) delivered as to such lesser extent as would result in no portion of such Payment being subject to the Excise Tax, whichever of the foregoing amounts, after taking into account the applicable federal, state and local income taxes and the Excise Tax, results in the receipt by the Executive on an after-tax basis of the largest payment, notwithstanding that all or some portion of the Payment may be taxable under Section 4999 of the Code. The Company shall appoint a nationally recognized independent registered public accounting firm or other professional firm to make the determinations required hereunder. The Company shall bear all expenses with respect to the determinations by such professional firm required to be made hereunder. Any good faith determinations of the professional firm made hereunder shall be final, binding and conclusive upon the Company and Executive.

If the Internal Revenue Service (the "**IRS**") determines that any Payment is subject to the Excise Tax, then this paragraph shall apply, and the enforcement of this paragraph shall be the exclusive remedy to the Company. If, notwithstanding any reduction described in the immediately preceding paragraph hereof (or in the absence of any such reduction), the IRS determines that Executive is liable for the Excise Tax as a result of the receipt of one or more Payments, then Executive shall be obligated to surrender or pay back to the Company, within one-hundred twenty (120) days after a final IRS determination, an amount of such payments or benefits equal to the "**Repayment Amount**." The Repayment Amount with respect to such Payments shall be the smallest such amount, if any, as shall be required to be surrendered or paid to the Company so that Executive's net proceeds with respect to such Payments (after taking into account the payment of the Excise Tax imposed on such Payments) shall be maximized. Notwithstanding the foregoing, the Repayment Amount with respect to such Payments shall be zero (0) if a Repayment Amount of more than zero (0) would not eliminate the Excise Tax imposed on such Payments or if a Repayment Amount of more than zero would not maximize the net amount received by Executive from the Payments. If the Excise Tax is not eliminated pursuant to this paragraph, Executive shall pay the Excise Tax.

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) ***Cooperation***. Following the Term of Employment, the Executive shall give Executive's assistance and cooperation willingly, upon reasonable advance notice with due consideration for Executive's other business or personal commitments, in any matter relating to Executive's position with the Company, or Executive's expertise or experience as the Company may reasonably request, including Executive's attendance and truthful testimony where deemed appropriate by the Company, with respect to any investigation or the Company's defense or prosecution of any existing or future claims or litigations or other proceedings relating to matters in which Executive was involved or potentially had knowledge by virtue of Executive's employment with the Company. In no event shall Executive's cooperation materially interfere with Executive's services for a subsequent employer or other similar service recipient. To the extent permitted by law, the Company agrees that (i) it shall promptly reimburse the Executive for Executive's reasonable and documented expenses in connection with Executive's rendering assistance and/or cooperation under this <u>Section 4(i)</u> upon Executive's presentation of documentation for such expenses and (ii) the Executive shall be reasonably compensated for any continued material services as required under this <u>Section 4(i)</u>.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j) ***Return of Company Property***. Upon the Termination Date, the Executive or Executive's personal representative shall return all Company property in Executive's possession, including but not limited to all computer equipment (hardware and software), telephones, facsimile machines, cell phones and other communication devices, credit cards, office keys, security access cards, badges, identification cards and all copies (including drafts) of any documentation or information (however stored) relating to the business of the Company, its customers and clients or its prospective customers and clients.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k) ***Compliance with Section 409A***.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) ***General***. To the extent that any provision of this Agreement is ambiguous as to its exemption or compliance with Section 409A of the Code and the Treasury Regulations and other guidance promulgated or issued thereunder ("**Section 409A**"), the provision will be read in such a manner so that all payments hereunder are exempt from Section 409A to the maximum permissible extent, and for any payments where such construction is not tenable, that those payments comply with Section 409A to the maximum permissible extent. To the extent any payment under this Agreement may be classified as a "short-term deferral" within the meaning of Section 409A, such payment shall be deemed a short-term deferral, even if it may also qualify for an exemption from Section 409A under another provision of Section 409A.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) ***Distributions on Account of Separation from Service***. If and to the extent required to comply with Section 409A, no payment or benefit required to be paid under this Agreement on account of termination of the Executive's employment shall be made unless and until the Executive incurs a "separation from service" within the meaning of Section 409A.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) ***Six Month Delay for Specified Employees***. If the Executive is a "specified employee" (within the meaning of Section 409A(a)(2)(B)(i) of the Code), then no payment or benefit that is payable on account of the Executive's "separation from service", as that term is defined for purposes of Section 409A, shall be made before the date that is six months after the Executive's "separation from service" (or, if earlier, the date of the Executive's death) if and to the extent that such payment or benefit constitutes deferred compensation (or may be nonqualified deferred compensation) under Section 409A and such deferral is required to comply with the requirements of Section 409A. Any payment or benefit delayed by reason of the prior sentence shall be paid out or provided in a single lump sum at the end of such required delay period in order to catch up to the original payment schedule.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) ***Treatment of Each Installment as a Separate Payment***. For purposes of applying the provisions of Section 409A to this Agreement, each separately identified amount to which the Executive is entitled under this Agreement shall be treated as a separate payment. In addition, any series of installment payments under this Agreement shall be treated as a right to a series of separate payments.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v) ***Taxable Reimbursements and In-Kind Benefits***.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(A) Any reimbursements by the Company to the Executive of any eligible expenses under this Agreement that are not excludable from the Executive's income for Federal income tax

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purposes (the "**Taxable Reimbursements**") shall be made by no later than the last day of the taxable year of the Executive following the year in which the expense was incurred.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(B) The amount of any Taxable Reimbursements, and the value of any in-kind benefits to be provided to the Executive, during any taxable year of the Executive shall not affect the expenses eligible for reimbursement, or in-kind benefits to be provided, in any other taxable year of the Executive.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(C) The right to Taxable Reimbursement, or in-kind benefits, shall not be subject to liquidation or exchange for another benefit.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vi) ***Section 409A Compliance***. Notwithstanding the foregoing, the Company does not make any representation to the Executive that the payments or benefits provided under this Agreement are exempt from, or satisfy, the requirements of Section 409A, and the Company shall have no liability or other obligation to indemnify or hold harmless the Executive or any beneficiary of the Executive for any tax, additional tax, interest or penalties that the Executive or any beneficiary of the Executive may incur in the event that any provision of this Agreement, or any amendment or modification thereof, or any other action taken with respect thereto, is deemed to violate any of the requirements of Section 409A.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**5. Restrictive Covenants.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) ***Confidential Information****.* The Executive shall execute and agree to be bound by the terms of the Company's Employee Invention Assignment, Confidentiality and Non-Competition Agreement (the "**EIIA**") as provided therein.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) ***Insider Trading Policies****.* Executive agrees that Executive shall comply with and be bound by the Company's insider trading policies with respect to the securities of the Company as now in effect or hereafter adopted or amended.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) ***Clawback Provisions***. All incentive and equity awards and payments shall be subject to the clawback policy of the Company, as now in effect or hereafter adopted or amended, and all applicable laws and rules and regulations of the stock exchanges and public market on which the securities of the Company are traded.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) ***Injunction***. It is recognized and hereby acknowledged by the parties hereto that a breach by the Executive of any of the covenants contained in this <u>Section 5</u> or the EIIA may cause irreparable harm and damage to the Company, and its Related Entities, the monetary amount of which may be virtually impossible to ascertain. As a result, the Executive recognizes and hereby acknowledges that the Company and its Related Entities shall be entitled to seek an injunction from any court of competent jurisdiction enjoining and restraining any violation of any or all of the covenants contained in this <u>Section 5</u> or the EIIA by the Executive or any of Executive's affiliates, associates, partners or agents, either directly or indirectly, and that such right to injunction shall be cumulative and in addition to whatever other remedies the Company may possess.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**6. Representations and Warranties of Executive**. The Executive represents and warrants to the Company that:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) The Executive's employment will not conflict with or result in Executive's breach of any agreement to which Executive is a party or otherwise may be bound;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) The Executive has not violated, and in connection with Executive's employment with the Company will not violate, any non-solicitation, non-competition or other similar covenant or agreement of a prior employer by which Executive is or may be bound; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) In connection with Executive's employment with the Company, Executive will not use any confidential or proprietary information that Executive may have obtained in connection with employment with any prior employer.

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**7. Indemnification**. Executive will be named as an insured on the director and officer liability insurance policy currently maintained by the Company, or as may be maintained by the Company from time to time, and will be subject to indemnification as required by the Company's Bylaws and the Indemnification Agreement to be entered into between Executive and the Company.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**8. Definitions**. When used in this Agreement, the following terms shall have the following meanings:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) ***Accrued Obligations***" means:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) all earned but unpaid Base Salary through the end of the Term of Employment;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) any unpaid or unreimbursed expenses incurred in accordance with Company policy to the extent incurred during the Term of Employment;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) any earned but unpaid benefits provided under the Company's employee benefit plans, subject to and in accordance with the terms of those plans;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) any earned but unpaid Bonus with respect to any completed fiscal year that has ended on or prior to the end of the Term of Employment; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v) any earned but unused vacation pay.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) "***Base Salary***" means the salary provided for in <u>Section 3(a)</u> hereof or any increased salary granted to Executive pursuant to <u>Section 3(a)</u> hereof.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) "***Beneficial Owner***" and "***Beneficial Ownership***" shall have the meaning ascribed to such terms in Rule 13d-3 promulgated under the Securities Exchange Act of 1934, as amended.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) "***Board***" means the Board of Directors of the Company.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) "***Bonus***" means any bonus payable to the Executive pursuant to <u>Section 3(b)</u> hereof.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) "***Cause***" means any of the following:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) Executive's conviction of or plea of nolo contendere to a felony or to any crime involving moral turpitude;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) willful misconduct or gross negligence by the Executive resulting, in either case, in material economic or reputational harm to the Company or any of its Related Entities;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) a willful failure by the Executive to carry out the reasonable and lawful directions of the CEO and failure by the Executive to remedy the failure within thirty (30) days after receipt of written notice of same, by the CEO;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) fraud, embezzlement, theft, or dishonesty of a material nature by the Executive against the Company or any Related Entity;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(v) a willful material violation by the Executive of a policy or procedure of the Company or any Related Entity, resulting, in any case, in material, reputational or economic harm to the Company or any Related Entity; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(vi) a willful material breach by the Executive of this Agreement and failure by the Executive to remedy the material breach within 30 days after receipt of written notice of same, by the CEO.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g) "***CEO***" means the Chief Executive Officer of the Company.

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h) "***Change in Control***" means the occurrence of any of the following events: (i) any Person becomes the Beneficial Owner, directly or indirectly, of securities of the Company representing more than fifty percent (50%) of the total voting power represented by the Company's then-outstanding voting securities; provided, however, that for purposes of this subclause (i) the acquisition of additional securities by any one Person who is considered to own more than fifty percent (50%) of the total voting power of the securities of the Company will not be considered a Change in Control; (ii) the consummation of the sale or disposition by the Company of all or substantially all of the Company's assets; (iii) the consummation of a merger or consolidation of the Company with any other corporation, other than a merger or consolidation which would result in the voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity or its parent) at least fifty percent (50%) of the total voting power represented by the voting securities of the Company or such surviving entity or its parent outstanding immediately after such merger or consolidation; or (iv) a change in the effective control of the Company that occurs on the date that a majority of members of the Board is replaced during any twelve (12) month period by members of the Board whose appointment or election is not endorsed by a majority of the members of the Board prior to the date of the appointment or election. For purpose of this subclause (iv), if any Person is considered to be in effective control of the Company, the acquisition of additional control of the Company by the same Person will not be considered a Change in Control. For purposes of this definition, Persons will be considered to be acting as a group if they are owners of a corporation that enters into a merger, consolidation, purchase or acquisition of stock, or similar business transaction with the Company.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) "***COBRA***" means the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended from time to time.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j) "***Code***" means the Internal Revenue Code of 1986, as amended.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k) "***Equity Awards***" means any stock options, restricted stock, restricted stock units, stock appreciation rights, phantom stock or other equity based awards granted by the Company to the Executive.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(l) "***Good Reason***" means the occurrence of any of the following events or conditions, without the Executive's express written consent:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) a material diminution in the Executive's authority, duties, or responsibilities;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) during the period starting on the Change in Control and ending on the two-year anniversary of a Change in Control only, a change in reporting such that the Executive ceases to report to the chief executive officer of the Company or of the ultimate parent company;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii) a material reduction by the Company in the Executive's annual Base Salary (which for purposes hereof is deemed to constitute a reduction of greater than 10%, unless such reduction applies as part of a salary reduction program and such program includes similar reductions to all of the Executive's direct reports); or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iv) the relocation of the Executive's principal place of employment to a location more than 50 miles from the Executive's principal place of employment immediately prior to the Executive's termination*.*

With respect to each of subsection (i), (ii), (iii) and (iv) above, the Executive must provide notice to the Company of the condition giving rise to "Good Reason" within 30 days of the initial existence of such condition, and the Company will have 30 days following such notice to remedy such condition. The Executive must resign the Executive's employment no later than 30 days following the Company's failure to cure the Good Reason or written notice to the Executive that it will decline to do so.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(m) "***Group***" shall have the meaning ascribed to such term in Section 13(d) of the Securities Exchange Act of 1934.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(n) "***Person***" shall have the meaning ascribed to such term in Section 3(a)(9) of the Securities Exchange Act of 1934 and used in Sections 13(d) and 14(d) thereof.

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(o) "***Related Entity***" means any Person controlling, controlled by or under common control with the Company or any of its subsidiaries. For this purpose, the terms "controlling," "controlled by" and "under common control with" mean the possession, directly or indirectly, of the power to direct or cause the direction of the management and policies of a Person, whether through the ownership of voting securities, as trustee or executor, by contract or otherwise, including (without limitation) the ownership, directly or indirectly, of securities having the power to elect a majority of the board of directors or similar body governing the affairs of such Person.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(p) "***Term of Employment***" means the period during which the Executive shall be employed by the Company pursuant to the terms of this Agreement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(q) "***Termination Date***" means the date on which the Term of Employment ends.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**9. Miscellaneous Provisions.**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) ***Taxes***. All payments or transfers of property made by the Company to the Executive or Executive's estate or beneficiaries shall be subject to the withholding of such amounts relating to taxes as the Company may reasonably determine it should withhold pursuant to any applicable law or regulation.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) ***Assignment***. The Company shall have the right to assign this Agreement and its rights and obligations hereunder in whole, but not in part, to any corporation or other entity with or into which the Company may hereafter merge or consolidate or to which the Company may transfer all or substantially all of its assets, if in any such case said corporation or other entity shall by operation of law or expressly in writing assume all obligations of the Company hereunder as fully as if it had been originally made a party hereto, but may not otherwise assign this Agreement or its rights and obligations hereunder. The Executive may not assign or transfer this Agreement or any rights or obligations hereunder.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c) ***Governing Law and At-will nature of Employment***. Except as expressly set forth herein, this letter agreement and the rights and obligations of the parties hereto shall be construed in accordance with the laws of the Commonwealth of Massachusetts, without giving effect to the principles of conflict of laws. Executive's employment with the Company is employment at-will, which means either Executive or the Company may terminate Executive's employment at any time and for any reason subject to the provisions of Section 4 of this Agreement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) ***Arbitration and Collective Action Waiver***. To the fullest extent permitted by law, Executive and the Company agree to submit to mandatory binding arbitration, pursuant to and governed by the Federal Arbitration Act (the "***FAA***"), any and all claims that (1) Executive may have against the Company and its directors, officers, owners, employees, agents, successors and assigns, and (2) the Company may have against Executive, arising out of or related to Executive's employment with the Company and the termination thereof, including, but not limited to, claims for unpaid wages, wrongful termination, torts, stock or stock options or other ownership interest in the Company or discrimination, harassment and/or retaliation based upon any federal, state or local ordinance, statute, regulation or constitutional provision (collectively, "***Arbitrable Claims***"). Further, to the fullest extent permitted by law, Executive and the Company agree that no class or collective actions can be asserted in arbitration, court, or any other forum. All claims must be brought solely in Executive or the Company's individual capacity, and not as a plaintiff or class member in any purported class or collective proceeding.

Notwithstanding the foregoing, nothing in this arbitration provision restricts: (w) Executive's right under the FAA to elect to pursue claims for sexual harassment and/or sexual assault in court, on an individual, class action or collective action basis; (x) Executive's right to file administrative claims Executive may bring before any government agency where, as a matter of law, the parties may not restrict the Executive's ability to file such claims (including, but not limited to, the National Labor Relations Board, the Equal Employment Opportunity Commission and the Department of Labor, and before state agencies in connection with claims for workers' compensation, unemployment and/or disability insurance benefits); or (y) a party's right to seek injunctive or other provisional relief in court, where permitted by applicable law, including, but not limited to, in connection with violations of restrictive covenants and/or the misappropriation of a party's private, proprietary, confidential or trade secret information.

SUBJECT TO THE ABOVE, THE PARTIES HEREBY WAIVE ANY RIGHTS THEY MAY HAVE TO TRIAL BY JURY IN REGARD TO ARBITRABLE CLAIMS. THE PARTIES FURTHER WAIVE ANY RIGHTS

------

THEY MAY HAVE TO PURSUE OR PARTICIPATE IN A CLASS OR COLLECTIVE ACTION PERTAINING TO ANY CLAIMS BETWEEN EXECUTIVE AND THE COMPANY.

The arbitration shall be conducted in Boston, Massachusetts through JAMS before a single neutral arbitrator, in accordance with the JAMS employment arbitration rules then in effect, provided however, that the FAA, including its procedural provisions for compelling arbitration, shall govern and apply to this arbitration provision. The JAMS rules may be found at https://www.jamsadr.com/rules-employment. If Executive is unable to access these rules, the Company will provide Executive with a hardcopy upon Executive's request. The arbitrator shall issue a written decision that contains the essential findings and conclusions on which the decision is based. Executive and the Company agree that this arbitration provision shall be governed by the FAA, and it shall only apply to claims that are subject to mandatory binding arbitration under applicable law. Should any portion of this provision be found unenforceable, it shall be severed and the remaining provisions shall remain in full force and effect.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e) ***Entire Agreement***. This Agreement, together with the exhibit attached hereto, constitutes the entire agreement between the patties hereto with respect to the subject matter hereof and, upon its effectiveness, shall supersede all prior agreements, understandings and arrangements, both oral and written, between the Executive and the Company (or any of its Related Entities) with respect to such subject matter. This Agreement may not be modified in any way unless by a written instrument signed by both the Company and the Executive.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(f) ***Notices***. All notices required or permitted to be given hereunder shall be in writing and shall be personally delivered by courier, sent by registered or certified mail, return receipt requested or sent by confirmed facsimile transmission addressed as set forth herein. Notices personally delivered, sent by facsimile or sent by overnight courier shall be deemed given on the date of delivery and notices mailed in accordance with the foregoing shall be deemed given upon receipt by the addressee, as evidenced by the return receipt thereof. Notice shall be sent (i) if to the Company, addressed to the Company's headquarters, Attention: the Company's CEO, and (ii) if to the Executive, to Executive's address as reflected on the payroll records of the Company, or to such other address as either party shall request by notice to the other in accordance with this provision.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(g) ***Benefits; Binding Effect****.* This Agreement shall be for the benefit of and binding upon the parties hereto and their respective heirs, personal representatives, legal representatives, successors and, where permitted and applicable, assigns, including, without limitation, any successor to the Company, whether by merger, consolidation, sale of stock, sale of assets or otherwise.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(h) ***Right to Consult with Counsel***. The Executive acknowledges having read and considered all of the provisions of this Agreement carefully, and having had the opportunity to consult with counsel of Executive's own choosing, and, given this, the Executive agrees that the obligations created hereby are not unreasonable.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) ***Severability***. The invalidity of any one or more of the words, phrases, sentences, clauses, provisions, sections or articles contained in this Agreement shall not affect the enforceability of the remaining portions of this Agreement or any part thereof, all of which are inserted conditionally on their being valid in law, and, in the event that any one or more of the words, phrases, sentences, clauses, provisions, sections or articles contained in this Agreement shall be declared invalid, this Agreement shall be construed as if such invalid word or words, phrase or phrases, sentence or sentences, clause or clauses, provisions or provisions, section or sections or article or articles had not been inserted. If such invalidity is caused by length of time or size of area, or both, the otherwise invalid provision will be considered to be reduced to a period or area which would cure such invalidity.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(j) ***Waivers***. The waiver by either party hereto of a breach or violation of any term or provision of this Agreement shall not operate nor be construed as a waiver of any subsequent breach or violation.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(k) ***Damages; Attorneys' Fees***. Nothing contained herein shall be construed to prevent the Company or the Executive from seeking and recovering from the other damages sustained by either or both of them as a result of its or Executive's breach of any term or provision of this Agreement. Each party shall bear its own costs and attorneys' fees.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(l) ***No Set-off or Mitigation***. The Company's obligation to make the payments provided for in this Agreement and otherwise to perform its obligations hereunder shall not be affected by any set off, counterclaim,

------

recoupment, defense or other claim, right or action which the Company may have against the Executive or others. In the event of any termination of the Executive's employment under this Agreement, Executive shall be under no obligation to seek other employment or otherwise in any way to mitigate the amount of any payment provided for hereunder.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(m) ***Section Headings***. The article, section and paragraph headings contained in this Agreement are for reference purposes only and shall not affect in any way the meaning or interpretation of this Agreement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(n) ***No Third Party Beneficiary***. The Related Entities are intended third party beneficiaries of this Agreement. Otherwise, nothing expressed or implied in this Agreement is intended, or shall be construed, to confer upon or give any person other than the Company, the parties hereto and their respective heirs, personal representatives, legal representatives, successors and permitted assigns, any rights or remedies under or by reason of this Agreement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(o) ***Counterparts***. This Agreement may be executed in one or more counterparts, each of which shall be deemed to be an original but all of which together shall constitute one and the same instrument and agreement.

**[Signature Page to Executive Employment Agreement Follows]**

------

IN WITNESS WHEREOF, the undersigned have executed this Agreement on the date first above written.

---

| | | | |
|:---|:---|:---|:---|
| **KalVista Pharmaceuticals, Inc.** | **KalVista Pharmaceuticals, Inc.** |  |  |
|  | /s/ Benjamin L. Palleiko |  | /s/ Bilal Arif |
| By: | Benjamin L. Palleiko | By: | Bilal Arif |
|  | CEO |  |  |

---

**[Signature Page to Executive Employment Agreement]**

------

**<u>Exhibit A</u>**

**General Release of Claims**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. **Bilal Arif** ("**Executive**"), for Executive and Executive's family, heirs, executors, administrators, legal representatives and their respective successors and assigns, in exchange for the consideration received pursuant to Section 4 of the Executive Employment Agreement (the "**Severance Benefits**") to which this release is attached as Exhibit A (the "**Employment Agreement**"), does hereby release and forever discharge KalVista Pharmaceuticals, Inc. (the "**Company**"), its subsidiaries, affiliated companies, successors and assigns, and its current or former directors, officers, owners, employees, shareholders, subscribers, attorneys or agents in such capacities (collectively with the Company, the "**Released Partie**s") from any and all actions, causes of action, suits, controversies, claims and demands whatsoever, for or by reason of any matter, cause or thing whatsoever, whether known or unknown including, but not limited to, all claims under any applicable laws arising under or in connection with Executive's employment or termination thereof, whether for tort, breach of express or implied contract, breach of the covenant of good faith and fair dealing, fraud, violation of public policy, wrongful discharge or termination, of emotional distress, defamation, physical injury, claims for additional compensation or benefits arising out of Executive's employment or Executive's separation of employment, claims under Title VII of the 1964 Civil Rights Act and any other laws and/or regulations relating to employment or employment discrimination, including, without limitation, claims based on age or under the Age Discrimination in Employment Act ("***ADEA***") or Older Workers Benefit Protection Act, and/or claims based on disability or under the Americans with Disabilities Act. Executive hereby acknowledges that Executive is aware of the principle that a general release does not extend to claims that the releasor does not know or suspect to exist in Executive's favor at the time of executing the release, which, if known by Executive, must have materially affected Executive's settlement with the Released Parties. With knowledge of this principle, Executive hereby agrees to expressly waive any rights Executive may have to that effect. Executive and the Company do not intend to release claims that Executive may not release as a matter of law, including but not limited to any claims for enforcement of this Agreement. To the fullest extent permitted by law, any dispute regarding the scope of this general release shall be determined by an arbitrator under the procedures set forth in the arbitration clause set forth in the Employment Agreement. Notwithstanding anything in this paragraph 1 to the contrary, this General Release of Claims shall not apply to (i) any rights to receive any payments or benefits to which the Executive is entitled under COBRA, (ii) any rights or claims that may arise as a result of events occurring after the date this General Release of Claims is executed, (iii) any indemnification and advancement rights Executive may have as a former employee, officer or director of the Company or its subsidiaries or affiliated companies (including any rights under Section 7 of the Employment Agreement), (iv) any claims for benefits under any directors' and officers' liability policy maintained by the Company or its subsidiaries or affiliated companies in accordance with the terms of such policy, (v) rights to vested benefits under the Company's 401(k) plan, and (vi) any rights as a holder of equity securities of the Company.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. Executive understands that nothing in this Release shall in any way limit or prohibit Executive from engaging in any protected rights as nothing contained herein, impedes or restricts Executive's ability to file a charge or complaint with the Equal Employment Opportunity Commission, the National Labor Relations Board, the Occupational Safety and Health Administration, the Securities and Exchange Commission or any other federal, state or local government agency or commission ("***Government Agencies***"). Executive further understands that this Agreement does not limit Executive's ability to communicate with any Government Agencies or otherwise participate and/or assist in any investigation or proceeding that may be conducted by any Government Agency, including providing documents or other information, without notice to the Company. This Agreement does not limit Executive's right to receive an award for information provided to any Government Agencies or prohibit Executive from providing truthful information in response to a subpoena or other legal process.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. To the fullest extent permitted by law, at no time subsequent to the execution of this Agreement will Executive pursue, or cause or knowingly permit the prosecution, in any state, federal or foreign court, or before any local, state, federal or foreign administrative agency, or any other tribunal, of any charge, claim or action of any kind, nature and character whatsoever, known or unknown, which Executive may now have, have ever had, or may in the future have against Released Parties, which is based in whole or in part on any matter released by this Agreement. Nothing in this paragraph shall prohibit or impair Executive or the Company from complying with all applicable laws, nor shall this Agreement be construed to obligate either party to commit (or aid or abet in the commission of) any unlawful act.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4. Executive acknowledges that, in the absence of Executive's execution of this General Release of Claims, the Severance Benefits would not otherwise be due to Executive.

------

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5. Executive acknowledges and agrees that Executive received adequate consideration in exchange for agreeing to the covenants contained in Section 5 of the Employment Agreement and the EIAA (as defined therein), that such covenants remain reasonable and necessary to protect the legitimate business interests of the Company and its affiliates and that Executive will continue to comply with those covenants.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6. Executive hereby acknowledges that the Company has informed Executive that Executive has up to 21 days to sign this General Release of Claims and Executive may knowingly and voluntarily waive that 21-day period by signing this General Release of Claims earlier. Executive also understands that Executive shall have seven days following the date on which Executive signs this General Release of Claims within which to revoke it by providing a written notice of Executive's revocation to the Company.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7. Executive acknowledges and agrees that this General Release of Claims will be governed by and construed and enforced in accordance with the internal laws of the State of Massachusetts applicable to contracts made and to be performed entirely within such State.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8. Executive acknowledges that Executive has read this General Release of Claims, that Executive has been advised that Executive should consult with an attorney before Executive executes this general release of claims, and that Executive understands all of its terms and executes it voluntarily and with full knowledge of its significance and the consequences thereof.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9. Subject to the protected rights set forth in Section 2 above, and otherwise to the fullest extent permitted by applicable law, Executive agrees that Executive will not, directly or indirectly, disparage or make any disparaging oral or written statements that are disloyal or maliciously untrue (and specifically, made with knowledge of their falsity or with reckless disregard for the truth or falsity of the statements) negative remarks regarding the Company and/Released Parties or their products, services, agents, representatives, directors, officers, shareholders, attorneys, employees and affiliated entities, vendors, affiliates, successors or assigns, or any person acting by, through, under or in concert with any of them, with any written or oral statement, including, but not limited to, any statement posted on social media (including online company review sites) or otherwise on the Internet, whether or not made anonymously or with attribution.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10. This General Release of Claims is not and shall not be construed or contended by Executive to be an admission or evidence of any wrongdoing or liability on the part of the Released Parties, their representatives, heirs, executors, attorneys, agents, partners, officers, shareholders, directors, employees, subsidiaries, affiliates, divisions, successors or assigns. This Agreement shall be afforded the maximum protection allowable under the Federal Rules of Evidence 408 and/or any other state or federal provisions of similar effect.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11. It is expressly agreed that this General Release of Claims may not be altered, amended, modified, or otherwise changed in any respect except by another written agreement that specifically refers to this General Release of Claims, executed by authorized representatives of each of the parties to this General Release of Claims. Execution of an electronic or PDF copy shall have the same force and effect as execution of an original, and a copy of a signature will be admissible in any legal proceeding as if an original.

This General Release of Claims shall become effective on the eighth day following Executive's execution of this General Release of Claims, unless revoked in accordance with paragraph 6, above.

Intending to be legally bound hereby, Executive has executed this General Release of Claims on September 18, 2025.

---

| | |
|:---|:---|
|  | /s/ Bilal Arif |
| By: | Bilal Arif |

---

------

## Exhibit 10.21

**EXHIBIT 10.21**

**THIRD AMENDMENT**

**TO**

**PURCHASE AND SALE AGREEMENT**

This THIRD AMENDMENT (this "<u>Amendment</u>") to the Purchase and Sale Agreement dated as of November 4, 2024 (the "<u>Purchase Agreement</u>") by and among KalVista Pharmaceuticals Limited, DRI UK LP ("<u>DRI</u>"), and solely for the purposes of the Guarantor Provisions therein, KalVista Pharmaceuticals, Inc. (together with KalVista Pharmaceuticals Limited, "<u>KalVista</u>") (DRI and KalVista collectively referred to herein as the "<u>Parties</u>"), as amended by that certain First Amendment to the Purchase Agreement dated as of May 22, 2025, as further amended by that certain Second Amendment to the Purchase Agreement dated as of September 2, 2025, is dated as of February 3, 2026 (the "<u>Effective Date</u>") and entered into by the Parties. Capitalized terms used herein without definition have the meaning set forth in the Purchase Agreement.

<u>WITNESSETH</u>

WHEREAS, the Parties desire to amend the Purchase Agreement as set forth herein.

NOW, THEREFORE, the Parties hereby amend the Purchase Agreement as set forth below.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. All references to "thirty (30) calendar days" in Sections 5.2(a) and 5.2(b) shall be removed and replaced with "forty-five (45) calendar days."

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. Except as so modified pursuant to this Amendment, the Purchase Agreement is ratified and confirmed in all respects. This Amendment is effective as of the Effective Date.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. This Amendment will be binding upon, and will inure to the benefit of, the Parties hereto and their respective permitted successors and assigns.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4. This Amendment will be governed by, and interpreted in accordance with, the laws of the State of New York, all rights and remedies being governed by such laws without regard to principles of conflicts of laws.

*[Signature page follows]*

------

IN WITNESS WHEREOF, the undersigned has entered into this Amendment as of the Effective Date.

---

| | |
|:---|:---|
| <u>DRI</u>: | <u>DRI</u>: |
| **DRI UK LP** | **DRI UK LP** |
| **By: DRI UK LLC** | **By: DRI UK LLC** |
| **Its: General Partner** | **Its: General Partner** |
| By:  | /s/ Grant Cellier |
| Name: | Grant Cellier |
| Title: | Manager |
| <u>KALVISTA</u>: | <u>KALVISTA</u>: |
| **KALVISTA PHARMACEUTICALS LIMITED** | **KALVISTA PHARMACEUTICALS LIMITED** |
| By: | /s/ Brian Piekos |
| Name: | Brian Piekos |
| Title: | Director |
| **KALVISTA PHARMACEUTICALS INC.** | **KALVISTA PHARMACEUTICALS INC.** |
| By: | /s/ Brian Piekos |
| Name: | Brian Piekos |
| Title: | Chief Financial Officer |

---

*[Third Amendment to Purchase and Sale Agreement]*

------

## Exhibit 21.1

**Exhibit 21.1**

**List of Subsidiaries of KalVista Pharmaceuticals, Inc.**

---

| | |
|:---|:---|
| **Name of Subsidiary** | **Jurisdiction of Incorporation or Organization** |
| KalVista Pharmaceuticals Limited (UK) | England and Wales |
| KalVista Securities Holding Corporation | Massachusetts |
| KalVista Pharmaceuticals (Ireland) Limited | Ireland |
| KalVista Pharmaceuticals Switzerland GmbH | Switzerland |
| KalVista Pharmaceuticals Japan K.K. | Japan |
| KalVista Pharmaceuticals Germany GmbH | Germany |

---

------

## Exhibit 23.1

**Exhibit 23.1**

**CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM**

We consent to the incorporation by reference in Registration Statement No. 333-280759 on Form S-3 and Registration Statement Nos. 333-203721, 333-215184, 333-216032, 333-217008, 333-226442, 333-230279, 333-237059, 333-254178, 333-257871, 333-263431, 333-269174, 333-272777, 333-276444, 333-280579, 333-284321 and 333-292960 on Form S-8 of our report dated March 25, 2026, relating to the financial statements of KalVista Pharmaceuticals, Inc. appearing in this Transition Report on Form 10-KT for the eight months ended December 31, 2025.

/s/ Deloitte & Touche LLP

Boston, Massachusetts

March 25, 2026

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## Exhibit 31.1

**Exhibit 31.1**

**CERTIFICATION PURSUANT TO**

**RULES 13a-14(a) OR 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002**

I, Benjamin L. Palleiko, certify that:

1. I have reviewed this Transition Report on Form 10-KT of KalVista Pharmaceuticals, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d- 15(f)) for the registrant and have:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c.Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d.Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

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| | | |
|:---|:---|:---|
| Date: March 25, 2026 | By: | /s/ Benjamin L Palleiko |
|  |  | Benjamin L Palleiko |
|  |  | Chief Executive Officer |
|  |  | (Principal Executive Officer) |

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## Exhibit 31.2

**Exhibit 31.2**

**CERTIFICATION PURSUANT TO<br>RULES 13a-14(a) OR 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,<br>AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002**

I, Brian Piekos, certify that:

1. I have reviewed this Transition Report on Form 10-KT of KalVista Pharmaceuticals, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d- 15(f)) for the registrant and have:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c.Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d.Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

---

| | | |
|:---|:---|:---|
| Date: March 25, 2026 | By: | /s/ Brian Piekos |
|  |  | Brian Piekos |
|  |  | Chief Financial Officer |
|  |  | (Principal Financial and Accounting Officer) |

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## Exhibit 32.1

**Exhibit 32.1**

**CERTIFICATION PURSUANT TO<br>18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO<br>SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002**

I, Benjamin L. Palleiko, Chief Executive Officer of KalVista Pharmaceuticals, Inc. (the "Company"), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•this Transition Report on Form 10-KT of the Company for the eight month period ended December 31, 2025 (the "Report"), as filed with the Securities and Exchange Commission, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and<br>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company for the periods presented therein.<br>

---

| | | |
|:---|:---|:---|
| Date: March 25, 2026 | By: | /s/ Benjamin L Palleiko |
|  |  | Benjamin L. Palleiko  |
|  |  | Chief Executive Officer |
|  |  | (Principal Executive Officer) |

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## Exhibit 32.2

**Exhibit 32.2**

**CERTIFICATION PURSUANT TO<br>18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO<br>SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002**

I, Brian Piekos, Chief Financial Officer of KalVista Pharmaceuticals, Inc. (the "Company"), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•this Transition Report on Form 10-KT of the Company for the eight month period ended December 31, 2025 (the "Report"), as filed with the Securities and Exchange Commission, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;•the information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company for the periods presented therein.

---

| | | |
|:---|:---|:---|
| Date: March 25, 2026 | By: | /s/ Brian Piekos |
|  |  | Brian Piekos |
|  |  | Chief Financial Officer |
|  |  | (Principal Financial and Accounting Officer) |

---

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