# EDGAR Filing Document

**Accession Number:** 0001274737
**File Stem:** 0001274737-26-000027
**Filing Date:** 2026-5
**Character Count:** 20985
**Document Hash:** e9e7d642726563d4a822fbf33029a2a8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001274737-26-000027.hdr.sgml**: 20260511

**ACCESSION NUMBER**: 0001274737-26-000027

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 13

**CONFORMED PERIOD OF REPORT**: 20260511

**ITEM INFORMATION**: Results of Operations and Financial Condition

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260511

**DATE AS OF CHANGE**: 20260511

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** EXAGEN INC.
- **CENTRAL INDEX KEY:** 0001274737
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MEDICAL LABORATORIES [8071]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39049
- **FILM NUMBER:** 26960945

**BUSINESS ADDRESS:**
- **STREET 1:** 1261 LIBERTY WAY
- **CITY:** VISTA
- **STATE:** CA
- **ZIP:** 92081
- **BUSINESS PHONE:** (760) 560-1501

**MAIL ADDRESS:**
- **STREET 1:** 1261 LIBERTY WAY
- **CITY:** VISTA
- **STATE:** CA
- **ZIP:** 92081

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** EXAGEN DIAGNOSTICS INC
- **DATE OF NAME CHANGE:** 20031230

?xml version='1.0' encoding='ASCII'? exdx-20260511

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**FORM 8-K** 

**CURRENT REPORT** 

**Pursuant to Section 13 or 15(d)** 

**of the Securities Exchange Act of 1934** 

**Date of Report (Date of earliest event reported): May 11, 2026** 

**EXAGEN INC.** 

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

---

| | | |
|:---|:---|:---|
| **Delaware** | **001-39049** | **20-0434866** |
| **(State or other jurisdiction**<br>**of incorporation)** | **(Commission**<br>**File Number)** | **(IRS Employer**<br>**Identification No.)** |

---

**1261 Liberty Way** 

**Vista, CA 92081** 

**(Address of principal executive offices) (Zip Code)** 

**(760) 560-1501** 

**(Registrant's telephone number, including area code)** 

**N/A** 

**(Former Name or Former Address, if Changed Since Last Report)** 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

---

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

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐

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. ☐

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**Item 2.02. Results of Operations and Financial Condition.** 

On May 11, 2026, the Company reported its financial results for the three months ended March 31, 2026. A copy of the press release issued by the Company is furnished as Exhibit 99.1 to this report.

The information furnished with Item 2.02 of this report, including Exhibit 99.1, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any other filings under the Exchange Act or under the Securities Act of 1933, as amended, whether made before or after the date hereof, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such a filing.

**Item 9.01. Financial Statements and Exhibits.** 

(d) Exhibits

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| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| 99.1 | <u>[Press Release dated May 11, 2026](q12026exagenearningspressr.htm)</u> |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |

---

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

---

| | | |
|:---|:---|:---|
|  | EXAGEN INC. | EXAGEN INC. |
| Date: May 11, 2026 | By: | /s/ Jeffrey G. Black |
|  |  | Jeffrey G. Black |
|  |  | Chief Financial Officer |

---

## Exhibit 99.1

![exagen-logox288xxx103xpxxt.jpg](exagen-logox288xxx103xpxxt.jpg)

**Exagen Inc. Reports First Quarter 2026 Results**

*Delivers record total revenue and AVISE*<sup>(R)</sup> *CTD average selling price*

May 11, 2026

Carlsbad, Calif., – Exagen Inc. (Nasdaq: XGN), a leading provider of autoimmune testing solutions, today reported financial results for the quarter ended March 31, 2026, and recent corporate updates.

---

| | | |
|:---|:---|:---|
| | **Three Months Ended March 31,** | **Three Months Ended March 31,** |
| | **2026** | **2025** |
| *Unaudited. In thousands, except ASP data.* |  |  |
| Revenue | $17306 | $15498 |
| Gross margin | 59.0% | 58.9% |
| Operating expenses | $13619 | $12488 |
| Operating loss | $(3414) | $(3365) |
| Net loss | $(3967) | $(3752) |
| Adjusted EBITDA | $(2160) | $(2508) |
| Trailing-twelve-month average selling price (ASP) | $444 | $419 |
| Cash and cash equivalents | $21513 | $11194 |

---

**First Quarter 2026 Highlights:**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Achieved record total revenue of $17.3 million, an increase of 12% compared to first quarter 2025.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Grew AVISE CTD test volume 10% compared to first quarter 2025.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Expanded AVISE CTD trailing-twelve-month ASP to $444 per test, an increase of $25 per test, or 6% compared to first quarter 2025.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Delivered an adjusted EBITDA loss of $2.2 million, an improvement of 14% compared to first quarter 2025.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Ended the quarter with approximately $22 million in cash and cash equivalents, ahead of expectations and consistent with long-standing strategy to hold claims in the first quarter.

"First quarter results establish a solid start to 2026, reflecting our team's disciplined execution and effective revenue cycle management," said John Aballi, President and CEO. "Exagen is uniquely committed to providing clarity for autoimmune patients and confidence for clinicians.

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We have built a foundation to expand our reach and advance innovation in a market with significant unmet need."

**2026 Guidance** 

The Company continues to expect full-year 2026 revenue of $70 million to $73 million.

**Conference Call** 

A conference call to review first quarter financial results is scheduled for today, May 11, 2026, at 8:30 a.m. ET (5:30 a.m. PT). Interested parties may access the conference call by dialing (877) 407-0890 (U.S.), or +1 (201) 389-0918 (international). Additionally, a link to a live webcast of the call will be available in the Investor Relations section of Exagen's website at investors.exagen.com. Participants are asked to join a few minutes prior to the call to register for the event.

A replay of the conference call will be available until May 25, 2026. Interested parties may access the replay by dialing (877) 660-6853 (U.S.) or +1 (201) 612-7415 (international) using passcode 13759736. A link to the replay of the webcast will also be available in the Investor Relations section of Exagen's website.

**Use of Non-GAAP Financial Measures (UNAUDITED)** 

In addition to the financial results prepared in accordance with generally accepted accounting principles in the United States (GAAP), this press release contains the metric adjusted EBITDA, which is not calculated in accordance with GAAP and is a non-GAAP financial measure. Adjusted EBITDA is defined as net loss adjusted for interest income (expense), income tax expense (benefit), depreciation and amortization expense, stock-based compensation expense, change in fair value of warrant liability, and certain other non-cash, unusual or non-recurring items, including, for example, losses on extinguishment of debt and changes in the fair value of warrant liabilities; we do not exclude normal, recurring, cash operating expenses from this measure. Such items could have a significant impact on the calculation of GAAP net loss.

Exagen uses adjusted EBITDA internally because the company believes these metrics provide useful supplemental information in assessing its operating performance reported in accordance with GAAP. Exagen believes adjusted EBITDA may enhance an evaluation of the operating performance because it excludes the impact of prior decisions made about capital investment, financing, investing and certain expenses the company believes are not indicative of the ongoing performance. However, this non-GAAP financial measure may be different from non-GAAP financial measures used by other companies, even when the same or similarly titled terms are used to identify such measures, limiting their usefulness for comparative purposes.

This non-GAAP financial measure is not meant to be considered in isolation or used as a substitute for net loss reported in accordance with GAAP, should be considered in conjunction with the financial information presented in accordance with GAAP, has no standardized meaning prescribed by GAAP, is unaudited, and is not prepared under any comprehensive set of accounting rules or principles. In addition, from time to time in the future, there may be other

------

items that Exagen may exclude for purposes of these non-GAAP financial measures, and the company may in the future cease to exclude items that it has historically excluded for purposes of these non-GAAP financial measures. Likewise, Exagen may determine to modify the nature of adjustments to arrive at these non-GAAP financial measures. Because of the non-standardized definitions of non-GAAP financial measures, the non-GAAP financial measure as used by the company in this press release and the accompanying reconciliation table have limits in their usefulness to investors and may be calculated differently from, and therefore may not be directly comparable to, similarly titled measures used by other companies. Accordingly, investors should not place undue reliance on non-GAAP financial measures.

A reconciliation of net loss to non-GAAP adjusted EBITDA is provided in the financial schedules that are part of this press release.

**About Exagen**

Exagen Inc. (Nasdaq: XGN) is a leading provider of autoimmune diagnostics, committed to transforming care for patients with chronic and debilitating autoimmune conditions. Based in San Diego County, California, Exagen's mission is to provide clarity in autoimmune disease decision-making and improve clinical outcomes through its innovative testing portfolio. The company's flagship product, AVISE® CTD, enables clinicians to more effectively diagnose complex autoimmune conditions such as lupus, rheumatoid arthritis, and Sjögren's disease earlier and with greater accuracy. Exagen's CLIA-certified, CAP-accredited laboratory specializes in the testing of rheumatic diseases, delivering precise and timely results, supported by a suite of AVISE-branded tests for disease diagnosis, prognosis, and monitoring. With a focus on research, innovation, education, and patient-centered care, Exagen is dedicated to addressing the ongoing challenges of autoimmune disease management.

For more information, visit Exagen.com or follow Exagen on LinkedIn.

**Forward Looking Statements**

Exagen cautions you that statements contained in this press release regarding matters that are not historical facts are forward-looking statements. These statements are based on Exagen's current beliefs and expectations. Such forward-looking statements include, but are not limited to, statements regarding: Exagen's goals, strategies, positioning, and ambitions; evaluations and judgments regarding financial results and the potential implications of those results, potential future financial and business performance, including any improvements to adjusted EBITDA, ASP, net loss and potential profitability; the potential utility and effectiveness of Exagen's services and testing solutions; the anticipated benefits of and adoption trajectory for Exagen's recently launched biomarkers; the impact of Exagen's revenue cycle management strategy on the timing of collections and cash burn; potential stockholder value and growth and full-year 2026 guidance. The inclusion of forward-looking statements should not be regarded as a representation by Exagen that any of its plans will be achieved. Actual results may differ from those set forth in this press release due to the risks and uncertainties inherent in Exagen's business, including, without limitation: delays in reimbursement and coverage decisions from Medicare and third-party payors and interactions with regulatory authorities, and delays in ongoing and planned clinical trials involving its tests; the potential effects of inflation and tariffs on Exagen's margins; and changes in laws and regulations related to Exagen's regulatory requirements. Exagen's

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commercial success depends upon attaining and maintaining significant market acceptance of its testing products among rheumatologists, patients, third-party payors and others in the medical community; Exagen's ability to successfully execute on its business strategies; and ability to obtain additional funding; third-party payors not providing coverage and adequate reimbursement for Exagen's testing products, including Exagen's ability to collect on funds due; Exagen's ability to obtain and maintain intellectual property protection for its testing products; regulatory developments affecting Exagen's business; and other risks described in Exagen's prior press releases and Exagen's filings with the Securities and Exchange Commission (SEC), including under the heading "Risk Factors" in Exagen's Annual Report on Form 10-K for the year ended December 31, 2025, filed with the SEC on March 10, 2026, and any subsequent filings with the SEC. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof, and Exagen undertakes no obligation to update such statements to reflect events that occur or circumstances that exist after the date hereof. All forward-looking statements are qualified in their entirety by this cautionary statement, which is made under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995.

**Investors:**

Tina Jacobsen, CFA

Exagen Inc.

ir@exagen.com

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**Exagen Inc.**

**Unaudited Condensed Statements of Operations**

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

---

| | | |
|:---|:---|:---|
| | **Three Months Ended March 31,** | **Three Months Ended March 31,** |
| | **2026** | **2025** |
| Revenue | $17306 | $15498 |
| Cost of revenue | 7101 | 6375 |
| Gross margin | 10205 | 9123 |
| Operating expenses: |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Selling, general and administrative expenses | 12066 | 11204 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Research and development expenses | 1553 | 1284 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total operating expenses | 13619 | 12488 |
| Loss from operations | (3414) | (3365) |
| Interest expense | (1267) | (545) |
| Change in fair value of warrant liability | 882 |  |
| Other income (expense), net | (132) | 158 |
| Loss before income taxes | (3931) | (3752) |
| Income tax benefit | (36) |  |
| Net loss | $(3967) | $(3752) |
| Net loss per share, basic and diluted | $(0.17) | $(0.20) |
| Weighted-average number of shares used to compute net loss per share, basic and diluted | 23854997 | 18557390 |

---

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**Exagen Inc.**

**Unaudited Condensed Balance Sheets**

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

---

| | | |
|:---|:---|:---|
| | **March 31, 2026** | **December 31, 2025** |
| **Assets** | | |
| Current assets: |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cash and cash equivalents | $21513 | $32220 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accounts receivable, net | 15773 | 10855 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prepaid expenses and other current assets | 6297 | 5818 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total current assets | 43583 | 48893 |
| Property and equipment, net | 6611 | 6938 |
| Operating lease right-of-use assets | 1179 | 1435 |
| Other assets | 584 | 756 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total assets | $51957 | $58022 |
| **Liabilities and Stockholders' Equity** |  |  |
| Current liabilities: |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accounts payable | $4159 | $4153 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accrued and other current liabilities | 4772 | 6327 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deferred revenue | 681 | 675 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Finance lease liabilities, current | 1113 | 1135 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Operating lease liabilities, current | 1259 | 1226 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Borrowings, current | 580 | 643 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total current liabilities | 12564 | 14159 |
| Borrowings, non-current, net of discounts and debt issuance costs | 22291 | 22264 |
| Finance lease liabilities, non-current | 1792 | 1960 |
| Operating lease liabilities, non-current | 111 | 438 |
| Warrant liability | 767 | 1752 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total liabilities | 37525 | 40573 |
| Commitments and contingencies (Note 5) |  |  |
| Stockholders' equity: |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Preferred stock, $0.001 par value; 10,000,000 shares authorized, no shares issued or outstanding as of March 31, 2026 and December 31, 2025 |  |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Common stock, $0.001 par value; 200,000,000 shares authorized as of March 31, 2026 and December 31, 2025; 24,088,057 and 22,911,575 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively | 24 | 23 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additional paid-in capital | 332657 | 331708 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accumulated deficit | (318249) | (314282) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total stockholders' equity | 14432 | 17449 |
| Total liabilities and stockholders' equity | $51957 | $58022 |

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**Exagen Inc.**

**Reconciliation of Non-GAAP Financial Measures (UNAUDITED)**

The table below presents the reconciliation of adjusted EBITDA, which is a non-GAAP financial measure. See "Use of Non-GAAP Financial Measures (UNAUDITED)" above for further information regarding Exagen's use of non-GAAP financial measures.

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| | | |
|:---|:---|:---|
| | **Three Months Ended March 31,** | **Three Months Ended March 31,** |
| | **2026** | **2025** |
| *(in thousands)* |  |  |
| **<u>Adjusted EBITDA</u>** |  |  |
| Net loss | $(3967) | $(3752) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other (income) expense | 132 | (158) |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Interest expense | 1267 | 545 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Change in fair value of warrant liability | (882) |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Income tax expense (benefit) | 36 |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Depreciation and amortization expense | 599 | 440 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stock-based compensation expense | 655 | 417 |
| Adjusted EBITDA (Non-GAAP) | $(2160) | $(2508) |

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