# EDGAR Filing Document

**Accession Number:** 0001159036
**File Stem:** 0001159036-25-000058
**Filing Date:** 2025-11
**Character Count:** 97953
**Document Hash:** f63ee738f1e60f70b03fdde475a7bb6f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001159036-25-000058.hdr.sgml**: 20251118

**ACCESSION NUMBER**: 0001159036-25-000058

**CONFORMED SUBMISSION TYPE**: S-8

**PUBLIC DOCUMENT COUNT**: 16

**FILED AS OF DATE**: 20251118

**DATE AS OF CHANGE**: 20251118

**EFFECTIVENESS DATE**: 20251118

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** HALOZYME THERAPEUTICS, INC.
- **CENTRAL INDEX KEY:** 0001159036
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 880488686
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** S-8
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-291625
- **FILM NUMBER:** 251495494

**BUSINESS ADDRESS:**
- **STREET 1:** 12390 EL CAMINO REAL
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92130
- **BUSINESS PHONE:** (858) 794-8889

**MAIL ADDRESS:**
- **STREET 1:** 12390 EL CAMINO REAL
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92130

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** HALOZYME THERAPEUTICS INC
- **DATE OF NAME CHANGE:** 20040312

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GLOBAL YACHT SERVICES INC
- **DATE OF NAME CHANGE:** 20010912

**As filed with the Securities and Exchange Commission on November 18, 2025**

**Registration No. 333-**

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**FORM S-8**

**REGISTRATION STATEMENT UNDER**

**THE SECURITIES ACT OF 1933**

**HALOZYME THERAPEUTICS, INC.**

(Exact Name of Registrant as Specified in its Charter)

---

| | |
|:---|:---|
| **Delaware** | **88-0488686** |
| *(State or other jurisdiction of incorporation)* | *(I.R.S. Employer Identification No.)* |
| **12390 El Camino Real** | **92130** |
| **San Diego** | *(Zip Code)* |
| **California** | |
| *(Address of principal executive offices)* | |

---

**Elektrofi, Inc. 2015 Equity Incentive Plan**

(Full Title of the Plan)

**Mark Snyder**

**Senior Vice President, General Counsel, Chief Compliance Officer and Secretary**

**12390 El Camino Real**

**San Diego, CA 92130**

(Name and Address of Agent For Service)

**(858) 794-8889**

(Telephone Number, Including Area Code, of Agent For Service)

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Securities Exchange Act of 1934, as amended.

---

| | | | |
|:---|:---|:---|:---|
| Large accelerated filer 🗹 | Accelerated filer ◻ | Non-accelerated filer □ | Smaller reporting company □ |
| | | (Do not check if a smaller reporting company) | 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 7(a)(2)(B) of the Securities Act. □

------

**HALOZYME THERAPEUTICS, INC.** 

**REGISTRATION STATEMENT ON FORM S-8**

Halozyme Therapeutics, Inc. (the "Company" or the "Registrant") is filing this Registration Statement on Form S-8 relating to shares of the Company's common stock, par value $0.001 per share (the "Common Stock"), that may be issued upon exercise of options outstanding under the Elektrofi, Inc. Equity Incentive Plan, as amended (the "Elektrofi Plan").

On September 30, 2025, the Registrant entered into an Agreement and Plan of Merger (the "Merger Agreement") with Elektrofi, Inc., a Delaware corporation ("Elektrofi"), Erraid Merger Sub Inc., a Delaware corporation and a wholly-owned subsidiary of Halozyme ("Merger Sub"), and Shareholder Representative Services LLC, a Colorado limited liability company (the "Securityholders' Representative"), solely in its capacity as the Securityholders' Representative, pursuant to which Merger Sub will be merged with and into Elektrofi (the "Merger"), with Elektrofi surviving as a wholly-owned subsidiary of Halozyme. On November 18, 2025, the Company completed the acquisition of Elektrofi pursuant to the Merger Agreement.

In connection with and upon the consummation of the transactions contemplated by the Merger Agreement and in accordance with the Merger Agreement, the Elektrofi Plan was assumed by the Registrant. This Registration Statement is being filed by the Company to register 219,336 shares of Common Stock which may be issuable pursuant to outstanding stock options granted under the Elektrofi Plan, which were assumed by the Company

**PART I**

**SECTION 10(a) PROSPECTUS**

 **Item 1. Plan Information.**

The documents containing the information specified in this Item 1 will be sent or given to employees, officers, directors or others as specified by Rule 428(b)(1) under the Securities Act of 1933, as amended (the "Securities Act"). In accordance with the rules and regulations of the Securities and Exchange Commission (the "Commission") and the instructions to Form S-8, such documents are not being filed with the Commission either as part of this Registration Statement or as prospectuses or prospectus supplements pursuant to Rule 424 under the Securities Act.

**Item 2. Registrant Information and Employee Plan Annual Information** 

The documents containing the information specified in this Item 2 will be sent or given to employees, officers, directors or others as specified by Rule 428(b)(1) under the Securities Act. In accordance with the rules and regulations of the Commission and the instructions to Form S-8, such documents are not being filed with the Commission either as part of this Registration Statement or as prospectuses or prospectus supplements pursuant to Rule 424 under the Securities Act. The document(s) containing the information specified in this Part I, together with the documents incorporated by reference herein pursuant to Item 3 of Part II of this Registration Statement on Form S-8, constitute a prospectus that meets the requirements of Section 10(a) of the Securities Act, and are available upon written request to: Corporate Secretary, 12390 El Camino Real, San Diego, California, 92130 (858) 794-8889

**PART II**

**INFORMATION REQUIRED IN THE REGISTRATION STATEMENT**

**Item 3. Incorporation of Documents by Reference**

The Registrant hereby incorporates by reference into this Registration Statement the following documents previously filed with the Securities and Exchange Commission (the "Commission") pursuant to the Securities Exchange Act of 1934, as amended (the "Exchange Act"), other than any portion of such documents or information therein deemed to have been furnished and not filed in accordance with Commission rules:

------

●  The Registrant's [Annual Report on Form 10-K filed with the Commission on February 18, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/1159036/000115903625000010/halo-20241231.htm) ;

●  The information specifically incorporated by reference into the Annual Report on Form 10-K for the fiscal year from the [Definitive Proxy Statement on Schedule 14A, filed with the Commission on March 18, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000016/halo-20250318.htm) ;

●  The Registrant's Quarterly Reports on Form 10-Q filed with the Commission on [May 6, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000026/halo-20250331.htm) , [August 5, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000034/halo-20250630.htm) and [November 3, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/1159036/000115903625000045/halo-20250930.htm) ; <br>

●  The Registrant's Current Reports on Form 8-K filed\* with the Commission pursuant to Section 13(a) or 15(d) of the Exchange Act, since the end of the fiscal year covered by the Annual Report on Form 10-K referred to above, including on [January 8, 2025,](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000003/halo-20250108.htm) [February 13, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000005/halo-20250211.htm) , [February 18, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000008/halo-20250218.htm) , [March 21, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000020/halo-20250317.htm) , [May 2, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000022/halo-20250501.htm) , [May 6, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000025/halo-20250506.htm) , [August 5, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000033/halo-20250805.htm) , [October 1, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000119312525225853/d940775d8k.htm) , [October 3, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000119312525230348/d807496d8k.htm) , [October 6, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000036/halo-20251001.htm) , [October 14, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000039/halo-20251014.htm) , [November 3, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000044/halo-20251103.htm) , [November 5, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000047/halo-20251105.htm) , [November 7, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000115903625000049/halo-20251106.htm) and [November 12, 2025](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001159036/000119312525277988/d945920d8k.htm) (excluding the portion furnished under Item 7.01 and 9.01); and

●  The description of the Registrant's Securities filed as [Exhibit 4.5](https://www.sec.gov/Archives/edgar/data/1159036/000115903622000014/ex45descriptionofsecurities.htm) to the Registrant's Annual Report on Form 10-K filed with the Commission on February 18, 2025, together with any amendment or report filed with the Commission for the purpose of updating such description.

\*Any report (or portion thereof) "furnished" on Form 8-K shall not be incorporated by reference.

All documents subsequently filed by the Registrant pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act, prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be incorporated by reference herein and to be a part hereof from the date of the filing of such documents; provided, however, that documents or information deemed to have been furnished and not filed in accordance with the rules of the Commission shall not be deemed incorporated by reference into this Registration Statement.

Any statement contained in a document incorporated or deemed to be incorporated by reference in this Registration Statement shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement contained in this Registration Statement, or in any other subsequently filed document that also is or is deemed to be incorporated by reference in this Registration Statement, modifies or supersedes such prior statement. Any statement contained in this Registration Statement shall be deemed to be modified or superseded to the extent that a statement contained in a subsequently filed document that is or is deemed to be incorporated by reference in this Registration Statement modifies or supersedes such prior statement. Any statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.

**Item 4. Description of Securities**

Not applicable.

**Item 5. Interests of Named Experts and Counsel**

None.

**Item 6. Indemnification of Directors and Officers**

Section 145 of the Delaware General Corporation Law authorizes a court to award, or a corporation's board of directors to grant, indemnity to directors and officers in terms sufficiently broad to permit such indemnification under certain circumstances for liabilities (including reimbursement for expenses incurred) arising under the Securities Act of 1933, as amended**.**

As permitted by the Delaware General Corporation Law, the Registrant's amended and restated certificate of incorporation includes a provision that eliminates the personal liability of its directors and officers for monetary damages for breach of fiduciary duty as a director, except for liability (1) for any breach of the director's or officer's duty of loyalty to the Registrant or its stockholders, (2) for acts or omissions not in good faith or that involve intentional misconduct or a knowing violation of law, (3) pursuant to Section 174 of the Delaware General Corporation Law, which provides for liability of directors for unlawful payments of dividends of unlawful stock purchase or redemptions or, or (4) for any transaction from which the director or officer derived an improper personal benefit.

------

As permitted by the Delaware General Corporation Law, the Registrant's bylaws provide that (1) it is required to indemnify its directors and officers to the fullest extent permitted by the Delaware General Corporation Law, subject to certain very limited exceptions, (2) the Registrant may indemnify its other employees and agents as set forth in the Delaware General Corporation Law, (3) the Registrant is required to advance expenses, as incurred, to our directors and executive officers in connection with a legal proceeding to the fullest extent permitted by the Delaware General Corporation Law, subject to certain very limited exceptions and (4) the rights conferred in the Registrant's bylaws are not exclusive.

The Registrant has entered into indemnification agreements with each of its directors and executive officers to give such directors and officers additional contractual assurances regarding the scope of the indemnification set forth in our amended and restated certificate of incorporation and to provide additional procedural protections. The Registrant also intends to enter into indemnification agreements with any new directors and executive officers in the future. At present, there is no pending litigation or proceeding involving any of the Registrant's directors, officers, employees, or agents where indemnification by the Registrant will be required or permitted, and the Registrant is not aware of any threatened litigation or proceeding that may result in a claim for such indemnification.

The indemnification provisions in the Registrant's amended and restated certificate of incorporation, the Registrant's bylaws and the indemnification agreements entered into between the Registrant and each of its directors and executive officers may be sufficiently broad to permit indemnification of the Registrant's directors and executive officers for liabilities arising under the Securities Act.

The Registrant's officers and directors are covered by insurance policies indemnifying them against certain liabilities, including certain liabilities arising under the Securities Act, which might be incurred by them in such capacity.

**Item 7. Exemption from Registration Claimed**

Not applicable.

**Item 8. Exhibits**

---

| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| 3.1 | <u>[Amended and Restated Certificate of Incorporation of Halozyme Therapeutics, Inc. (incorporated herein by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed on April 26, 2024).](https://www.sec.gov/Archives/edgar/data/1159036/000115903624000031/exhibit31amendedandrestate.htm)</u> |
| 3.2 | <u>[The Company's Bylaws, as amended (incorporated herein by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K filed on December 10, 2021).](https://www.sec.gov/Archives/edgar/data/1159036/000115903621000056/ex31-amendedandrestatedbyl.htm)</u> |
| 5.1\* | <u>[Legal Opinion of Weil, Gotshal & Manges LLP.](ex51weilopinion.htm)</u>  |
| 10.1\* | <u>[Elektrofi, Inc. 2015 Equity Incentive Plan](ex101elektrofiequityincent.htm)</u> |
| 23.1\* | <u>[Consent of Independent Registered Accounting Firm](ex231-eyconsent.htm)</u>  |
| 23.2\* | <u>[Consent of Weil, Gotshal & Manges LLP (included in Exhibit No. 5.1).](ex51weilopinion.htm)</u> |
| 24.1\* | <u>[Power of Attorney (included on signature page).](#i5da1cb58f2f64bf4a9cb931a4896d8e2_7)</u> |
| 107\* | <u>[Filing Fee Tables](exfilingfees.htm)</u>. |

---

\* Filed herewith

------

**Item 9. Undertakings**

(a) The undersigned Registrant hereby undertakes:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.To file, during any period in which offers or sales are being made, a post-effective amendment to this registration statement:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;i.To include any prospectus required by Section 10(a)(3) of the Securities Act of 1933;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ii.To reflect in the prospectus any facts or events arising after the effective date of the registration statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the registration statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than 20 percent change in the maximum aggregate offering price set forth in the "Calculation of Registration Fee" table in the effective registration statement; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;iii.To include any material information with respect to the plan of distribution not previously disclosed in the registration statement or any material change to such information in the registration statement;

*Provided, however*, that paragraphs (a)(1)(i) and (a)(1)(ii) above do not apply if the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the Commission by the Registrant pursuant to Section 13 or Section 15(d) of the Exchange Act of 1934 that are incorporated by reference in this registration statement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. That, for the purpose of determining any liability under the Securities Act of 1933, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof..

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.

(b) The undersigned Registrant hereby undertakes that, for purposes of determining any liability under the Securities Act of 1933, each filing of the Registrant's annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act of 1934 (and, where applicable, each filing of an employee benefit plan's annual report pursuant to Section 15(d) of the Exchange Act of 1934) that is incorporated by reference in the registration statement shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof

(C) Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be permitted to directors, officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the Securities and Exchange Commission such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue

------

**SIGNATURES**

Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in San Diego, California, on this 18th day of November, 2025

---

| | |
|:---|:---|
| HALOZYME THERAPEUTICS, INC. | HALOZYME THERAPEUTICS, INC. |
| By: | /s/ Helen I. Torley, M.B. Ch.B., M.R.C.P. |
|  | Helen I. Torley, M.B. Ch.B., M.R.C.P. |
|  | President and Chief Executive Officer |

---

**POWER OF ATTORNEY** 

Know all persons by these presents, that each person whose signature appears below constitutes and appoints Helen I. Torley and Mark Snyder and each of them, as his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him or her and in his or her name, place, and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this Registration Statement on Form S-8, 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 requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming that all said attorneys-in-fact and agents, or any of them or their or his or her substitute or substitutes, may lawfully do or cause to be done by virtue thereof.

&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933 this registration statement has been signed by the following persons in the capacities and on the dates indicated.

---

| | | |
|:---|:---|:---|
| **Signature** | **Title(s)** | **Date** |
| <u>/s/ Helen I. Torley, M.B. Ch.B., M.R.C.P.</u><br>Helen I. Torley, M.B. Ch.B., M.R.C.P. | President, Chief Executive Officer, and Director (Principal Executive Officer) | November 18, 2025 |
| &nbsp;&nbsp;&nbsp;<u>/s/ Nicole LaBrosse</u><br>Nicole LaBrosse | Senior Vice President and Chief Financial Officer (Principal Financial and Accounting Officer) | November 18, 2025 |
| <u>/s/ Jeffrey W. Henderson</u><br>Jeffrey W. Henderson | Chair of the Board of Directors | November 18, 2025 |
| &nbsp;&nbsp;&nbsp;<u>/s/ Bernadette Connaughton</u><br>Bernadette Connaughton  | Director | November 18, 2025 |
| &nbsp;&nbsp;&nbsp;<u>/s/ Barbara Duncan</u><br>Barbara Duncan | Director | November 18, 2025 |
| &nbsp;&nbsp;&nbsp;<u>/s/ Mahesh Krishnan, M.D.</u><br>Mahesh Krishnan, M.D. | Director | November 18, 2025 |
| &nbsp;&nbsp;&nbsp;<u>/s/ Matthew L. Posard</u><br>Matthew L. Posard | Director | November 18, 2025 |
| &nbsp;&nbsp;&nbsp;<u>/s/ Moni Miyashita</u><br>Moni Miyashita | Director | November 18, 2025 |

---

## Ex-Filing

?xml version='1.0' encoding='ASCII'? exfilingfees

**Exhibit 107**

**CALCULATION OF FILING FEE TABLE FORM S-8** (Form Type)

**Halozyme Therapeutics, Inc.** (Exact Name of Registrant as Specified in its Charter)

TABLE 1 – NEWLY REGISTERED SECURITIES

---

| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| **Security Type** | **Security Class Title** | **Fee** <br>**Calculation** <br>**Rule**  | **Amount** <br>**Registered** | **Proposed**<br>**Maximum** <br>**Offering Price** <br>**Per Unit** | **Maximum Aggregate** <br>**Offering Price** | **Fee Rate** | **Amount of Registration Fee** |
| Equity | Common Stock, $0.001 par<br>value per share | Rule 457(c)<br>and Rule<br>457(h) | 219336 (1) | $12.73 | $2792147.28 (1)(2) | $138.10 per $1,000,000 | $385.60 |
| **Total Offering Amounts** | **Total Offering Amounts** | **Total Offering Amounts** | **Total Offering Amounts** |  | $2792147.28 |  | $385.60 |
| **Total Fee Offsets** | **Total Fee Offsets** | **Total Fee Offsets** | **Total Fee Offsets** |  |  |  | $0 |
| **Net Fee Due** | **Net Fee Due** | **Net Fee Due** | **Net Fee Due** |  |  |  | $385.60 |

---

---

| |
|:---|
| (1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the "Securities Act"), this registration statement also covers an indeterminate number of additional shares of common, par value $0.001 per share ("Common Stock"), of Halozyme Therapeutics, Inc. (the "Company"), which may be offered and issued to prevent dilution resulting from stock splits, stock distributions or similar transactions. |
| (2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Estimated solely for the purpose of calculating the registration fee in accordance with Rules 457(c) and (h) under the Securities Act, based upon the weighted average option exercise price of $12.73 for 219,336 shares of Common Stock issuable upon exercise options granted under the Elektrofi, Inc. 2015 Equity Incentive Plan, which options converted into options to purchase shares of Common Stock pursuant to the Merger Agreement.  |

---

## Exhibit 5.1

**Exhibit 5.1**

---

| |
|:---|
| ![image_0a.jpg](image_0a.jpg) |
| 767 Fifth Avenue<br>New York, NY 10153<br>+1 212 310 8000 tel<br>+1 212 310 8007 fax |

---

November 18, 2025

Halozyme Therapeutics, Inc.

12390 El Camino Real

San Diego, California 92130

Ladies and Gentlemen:

We have acted as counsel to Halozyme Therapeutics, Inc., a Delaware corporation (the "<u>Company</u>"), in connection with the preparation and filing with the U.S. Securities and Exchange Commission of the Company's Registration Statement on Form S-8 (the "<u>Registration Statement</u>") under the Securities Act of 1933, as amended (the "<u>Securities Act</u>"), relating to the issuance of an aggregate of 219,336 shares of the Company's common stock, par value $0.001 per share (the "<u>Common Stock</u>"), pursuant to the exercise of outstanding stock options granted under the Elektrofi, Inc. 2015 Equity Incentive Plan (the "<u>Plan</u>") as assumed by the Company (the "<u>Assumed Options</u>") in connection with that certain Agreement and Plan of Merger, dated as of September 30, 2025, as amended (the "<u>Merger Agreement</u>"), by and among the Company, Elektrofi, Inc., a Delaware corporation, Erraid Merger Sub Inc., a Delaware corporation and wholly owned subsidiary of the Company and Shareholder Representative Services LLC, a Colorado limited liability company solely in its capacity as representative of the securityholders as set forth in the Merger Agreement.

In so acting, we have examined originals or copies (certified or otherwise identified to our satisfaction) of (i) the Amended and Restated Certificate of Incorporation of the Company, (ii) the Bylaws of the Company, (iii) the Plan, (iv) the Merger Agreement, (v) the Registration Statement, and (vi) such corporate records, agreements, documents and other instruments, and such certificates or comparable documents of public officials and of officers and representatives of the Company, and have made such inquiries of such officers and representatives, as we have deemed relevant and necessary as a basis for the opinion hereinafter set forth.

In such examination, we have assumed the genuineness of all signatures, the legal capacity of all natural persons, the authenticity of all documents submitted to us as originals, the conformity to original documents of all documents submitted to us as

------

November 18, 2025

certified, conformed or photostatic copies and the authenticity of the originals of such latter documents. As to all questions of fact material to our opinion that have not been independently established, we have relied upon the aforesaid agreements, instruments, certificates, documents and records and upon statements, representations, certificates and covenants of officers and representatives of the Company. We have also assumed that each award agreement setting forth the terms of each Assumed Option under the Plan is consistent with the Plan and has been duly authorized and validly executed and delivered by the parties thereto.

Based on the foregoing, and subject to the qualifications stated herein, we are of the opinion that the 219,336 shares of Common Stock being registered for sale under the Plan pursuant to the Registration Statement have been duly authorized and, when issued accordance with the Plan will be validly issued, fully paid, and non-assessable.

The opinion expressed herein is limited to the corporate laws of the State of Delaware, and we express no opinion as to the effect on the matters covered by this letter of the laws of any other jurisdiction.

We hereby consent to the use of this letter as an exhibit to the Registration Statement. In giving such consent we do not hereby admit that we are in the category of persons whose consent is required under Section 7 of the Securities Act or the rules and regulations of the Securities and Exchange Commission.

Very truly yours,

/s/ Weil, Gotshal & Manges LLP

## Exhibit 10.1

**ELEKTROFI, INC.**

**2015 EQUITY INCENTIVE PLAN**

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**TABLE OF CONTENTS**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;&nbsp;&nbsp;&nbsp;Definitions..............................................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[1](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.&nbsp;&nbsp;&nbsp;&nbsp;Term of the Plan.....................................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[3](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.&nbsp;&nbsp;&nbsp;&nbsp;Stock Subject to the Plan........................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[3](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.&nbsp;&nbsp;&nbsp;&nbsp;Administration........................................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[4](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.&nbsp;&nbsp;&nbsp;&nbsp;Authorization of Grants..........................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[4](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.&nbsp;&nbsp;&nbsp;&nbsp;Specific Terms of Awards......................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[5](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.&nbsp;&nbsp;&nbsp;&nbsp;Adjustment and Related Provisions........................................................................&nbsp;&nbsp;&nbsp;&nbsp;[8](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.&nbsp;&nbsp;&nbsp;&nbsp;Settlement of Awards............................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[11](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.&nbsp;&nbsp;&nbsp;&nbsp;Reservation of Stock.............................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[13](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.&nbsp;&nbsp;&nbsp;&nbsp;No Special Employment or Other Rights.............................................................&nbsp;&nbsp;&nbsp;&nbsp;[13](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12.&nbsp;&nbsp;&nbsp;&nbsp;Nonexclusivity of the Plan....................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[13](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;13.&nbsp;&nbsp;&nbsp;&nbsp;No Guarantee of Tax Consequences.....................................................................&nbsp;&nbsp;&nbsp;&nbsp;[14](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;14.&nbsp;&nbsp;&nbsp;&nbsp;Termination and Amendment of the Plan.............................................................&nbsp;&nbsp;&nbsp;&nbsp;[14](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;15.&nbsp;&nbsp;&nbsp;&nbsp;Notices and Other Communications.....................................................................&nbsp;&nbsp;&nbsp;&nbsp;[14](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;16.&nbsp;&nbsp;&nbsp;&nbsp;Administrative Provisions.....................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[15](#i9b81feff40b84b3a979839f2eb0feb81_1)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;17.&nbsp;&nbsp;&nbsp;&nbsp;Governing Law.....................................................................................................&nbsp;&nbsp;&nbsp;&nbsp;[15](#i9b81feff40b84b3a979839f2eb0feb81_1)

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**Elektrofi, Inc.**

**2015 Equity Incentive Plan**

**&nbsp;&nbsp;&nbsp;&nbsp;Purpose**

This Plan is intended to encourage ownership of Stock by employees, consultants and directors of the Company and its Affiliates and to provide additional incentive for them to promote the success of the Company's business. The Plan is intended to be an incentive stock option plan within the meaning of Section 422 of the Code, but not all Awards are required to be Incentive Options.

**&nbsp;&nbsp;&nbsp;&nbsp;Definitions**

As used in the Plan, the following terms shall have the respective meanings set out below, unless the context clearly requires otherwise:

&nbsp;&nbsp;&nbsp;&nbsp;<u>Accelerate</u>, <u>Accelerated</u>, and <u>Acceleration</u>, when used with respect to an Option, means that as of the time of reference the Option will become exercisable with respect to some or all of the shares of Stock for which it was not then otherwise exercisable by its terms, and, when used with respect to Restricted Stock, means that the Risk of Forfeiture otherwise applicable to the Stock shall expire with respect to some or all of the shares of Restricted Stock then still otherwise subject to the Risk of Forfeiture.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Affiliate</u> means any corporation, partnership, limited liability company, business trust, or other entity controlling, controlled by or under common control with the Company.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Award</u> means any grant or sale pursuant to the Plan of Options, Restricted Stock or Stock Grants.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Award</u> <u>Agreement</u> means an agreement between the Company and the recipient of an Award, or other notice of grant of an Award, setting forth the terms and conditions of the Award.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Board</u> means the Company's Board of Directors.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Code</u> means the Internal Revenue Code of 1986, as amended from time to time, or any successor statute thereto, and any regulations issued from time to time thereunder.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Committee</u> means any committee of the Board delegated responsibility by the Board for the administration of the Plan, as provided in Section 5 of this Plan. For any period during which no such committee is in existence "Committee" shall mean the Board and all authority and responsibility assigned to the Committee under the Plan shall be exercised, if at all, by the Board.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Company</u> means Elektrofi, Inc., a corporation organized under the laws of the State of Delaware.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Effective</u> <u>Date</u> means the earlier of the adoption of the Plan by the Board or the approval of the Plan by the Company's stockholders.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Forfeiture</u>, <u>forfeit</u>, and derivations thereof, when used in respect of Restricted Stock purchased by a Participant, includes the Company's repurchase of such Restricted Stock at less than the Stock's then Market Value.

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&nbsp;&nbsp;&nbsp;&nbsp;<u>Grant</u> <u>Date</u> means the date as of which an Option is granted, as determined under Section 7.1(a).

&nbsp;&nbsp;&nbsp;&nbsp;<u>Incentive</u> <u>Option</u> means an Option which by its terms is to be treated as an "incentive stock option" within the meaning of Section 422 of the Code.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Market</u> <u>Value</u> means the value of a share of Stock on any date as determined by the Committee.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Nonstatutory</u> <u>Option</u> means any Option that is not an Incentive Option.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Option</u> means an option to purchase shares of Stock.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Optionee</u> means an eligible individual to whom an Option shall have been granted under the Plan.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Participant</u> means any holder of an outstanding Award under the Plan.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Plan</u> means this 2015 Equity Incentive Plan of the Company, as amended from time to time, and including any attachments or addenda hereto.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Restricted Stock</u> means a grant or sale of shares of Stock to a Participant subject to a Risk of Forfeiture.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Restriction Period</u> means the period of time, established by the Committee in connection with an Award of Restricted Stock, during which the shares of Restricted Stock are subject to a Risk of Forfeiture described in the applicable Award Agreement.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Risk of Forfeiture</u> means a limitation on the right of the Participant to retain Restricted Stock, including a right in the Company to reacquire the Stock at less than its then Market Value, arising because of the occurrence or non-occurrence of specified events or conditions.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Stock</u> means Class A Common Stock, $0.0001 par value per share, of the Company and such other securities as may be substituted for Stock pursuant to Section 8.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Stock Grant</u> means the grant of shares of Stock not subject to restrictions or other forfeiture conditions.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Stockholders'</u> <u>Agreement</u> means any agreement, whether existing at the time of grant of an option or thereafter created, by and among the holders of at least a majority of the outstanding voting securities of the Company and setting forth, among other provisions, restrictions upon the transfer of shares of Stock or on the exercise of rights appurtenant thereto (including but not limited to voting rights).

&nbsp;&nbsp;&nbsp;&nbsp;<u>Ten</u> <u>Percent</u> <u>Owner</u> means a person who owns, or is deemed within the meaning of Section 422(b)(6) of the Code to own, stock possessing more than 10% of the total combined voting power of all classes of stock of the Company (or any parent or subsidiary corporations of the Company, as defined in Sections 424(e) and (f), respectively, of the Code). Whether a person is a Ten Percent Owner shall be determined with respect to an Option based on the facts existing immediately prior to the Grant Date of the Option.

**&nbsp;&nbsp;&nbsp;&nbsp;Term of the Plan**

Unless the Plan shall have been earlier terminated by the Board, Awards may be granted under this Plan at any time in the period commencing on the date of approval of the Plan by the Board and ending on the issuance of all of the shares of Stock subject to the Plan. Awards granted pursuant to the Plan within that period shall not expire solely by reason of the termination of the

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Plan. Awards of Incentive Options may only be granted through and prior to the tenth anniversary of the Effective Date, however. Any Awards of Incentive Options granted prior to stockholder approval of the Plan are hereby expressly conditioned upon such approval, but in the event of the failure of the stockholders to approve the Plan shall thereafter and for all purposes be deemed to constitute Nonstatutory Options.

**&nbsp;&nbsp;&nbsp;&nbsp;Stock Subject to the Plan**

At no time shall the number of shares of Stock issued pursuant to or subject to outstanding Awards granted under the Plan, nor the number of shares of Stock issued pursuant to or subject to outstanding Incentive Options, exceed Four Million Eight Hundred and Two Thousand Seven Hundred and Twenty-Five (4,802,725) shares of Stock; *subject, however*, to the provisions of Section 8 of the Plan. For purposes of applying the foregoing limitation, settlement of any Award shall not count against the foregoing limitations except to the extent settled in the form of Stock and, without limiting the generality of the foregoing:

&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) if any Option expires, terminates, or is cancelled for any reason without having been exercised in full, or if any other Award is forfeited, the shares of Stock not purchased by the Optionee or which are forfeited shall again be available for Awards to be granted under the Plan;

&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) if any Option is exercised by delivering previously owned shares of Stock in payment of the exercise price therefor, only the net number of shares, that is, the number of shares of Stock issued minus the number received by the Company in payment of the exercise price, shall be considered to have been issued pursuant to an Award granted under the Plan; 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;(c) any shares of Stock either tendered or withheld in satisfaction of tax withholding obligations of the Company or an Affiliate shall again be available for issuance under the Plan.

None of the foregoing provisions of this Section 4, including the adjustment provisions of Section 8, shall apply in determining the maximum number of shares of Stock issued pursuant to or subject to outstanding Incentive Options unless consistent with the provisions of Section 422 of the Code, however. Shares of Stock issued pursuant to the Plan may be either authorized but unissued shares or shares held by the Company in its treasury.

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**Administration**

The Plan shall be administered by the Committee; *provided, however*, that at any time and on any one or more occasions the Board may itself exercise any of the powers and responsibilities assigned the Committee under the Plan and when so acting shall have the benefit of all of the provisions of the Plan pertaining to the Committee's exercise of its authorities hereunder; and *provided further, however,* that the Committee may delegate to an executive officer or officers the authority to grant Awards hereunder to employees who are not officers, and to consultants, up to such maximum number and in accordance with such other guidelines as the Committee shall specify by resolution at any time or from time to time. Any such delegation may not include the authority to grant Restricted Stock, unless the delegate is a committee of the Board, including a committee consisting solely of an executive officer who is a Board member. Subject to the provisions of the Plan, the Committee shall have complete authority, in its discretion, to make or to select the manner of making all determinations with respect to each Award to be granted by the Company under the Plan including the employee, consultant or director to receive the Award and the form of Award. In making such determinations, the Committee may take into account the nature of the services rendered by the respective employees, consultants, and directors, their present and potential contributions to the success of the Company and its Affiliates, and such other factors as the Committee in its discretion shall deem relevant. Subject to the provisions of the Plan, the Committee shall also have complete authority to interpret the Plan, to prescribe, amend and rescind rules and regulations relating to it, to determine the terms and provisions of the respective Award Agreements (which need not be identical), and to make all other determinations necessary or advisable for the administration of the Plan. The Committee's determinations made in good faith on matters referred to in the Plan shall be final, binding and conclusive on all persons having or claiming any interest under the Plan or an Award made pursuant hereto.

**&nbsp;&nbsp;&nbsp;&nbsp;Authorization of Grants**

&nbsp;&nbsp;&nbsp;&nbsp;<u>Eligibility</u>. The Committee may grant from time to time and at any time prior to the termination of the Plan one or more Awards, either alone or in combination with any other Awards, to any employee of or consultant to one or more of the Company and its Affiliates or to any non-employee member of the Board or of any board of directors (or similar governing authority) of any Affiliate. However, only employees of the Company, and of any parent or subsidiary corporations of the Company, as defined in Sections 424(e) and (f), respectively, of the Code, shall be eligible for the grant of an Incentive Option.

&nbsp;&nbsp;&nbsp;&nbsp;<u>General Terms of Awards</u>. Each grant of an Award shall be subject to all applicable terms and conditions of the Plan (including but not limited to any specific terms and conditions applicable to that type of Award set out in the following Section), and such other terms and conditions, not inconsistent with the terms of the Plan, as the Committee may prescribe. No prospective Participant shall have any rights with respect to an Award, unless and until such Participant shall have complied with the applicable terms and conditions of such Award (including if applicable delivering a fully executed copy of any agreement evidencing an Award to the Company).

&nbsp;&nbsp;&nbsp;&nbsp;<u>Effect of Termination of Employment, Etc.</u> Unless the Committee shall provide otherwise with respect to any Option, if the Optionee's employment or other association with the Company and its Affiliates ends for any reason, including because of an Affiliate ceasing to be an Affiliate, (a) any outstanding Option of the Participant shall cease to be exercisable in any respect not later than three months following that event and, for the period it remains exercisable following that event, shall be exercisable only to the extent exercisable at the date of that event,

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and (b) any other outstanding Award of the Participant shall be forfeited on the terms specified in the applicable Award Agreement. Cessation of the performance of services in one capacity, for example, as an employee, shall not result in termination of an Award while the Participant continues to perform services in another capacity, for example as a director. Military or sick leave or other bona fide leave shall not be deemed a termination of employment or other association, *provided* that it does not exceed the longer of three (3) months or the period during which the absent Participant's reemployment rights, if any, are guaranteed by statute or by contract. To the extent consistent with applicable law, the Committee may provide that Awards continue to vest for some or all of the period of any such leave, or that their vesting shall be tolled during any such leave and only recommence upon the Participant's return from leave, if ever.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Non-Transferability of Awards</u>. Except as otherwise provided in this Section, Awards shall not be transferable, and no Award or interest therein may be sold, transferred, pledged, assigned, or otherwise alienated or hypothecated, other than by will or by the laws of descent and distribution. All of a Participant's rights in any Award may be exercised during the life of the Participant only by the Participant or the Participant's legal representative. However, the Committee may, at or after the grant of an Award of a Nonstatutory Option, or shares of Restricted Stock, provide that such Award may be transferred by the recipient to a family member; *provided, however*, that any such transfer is without payment of any consideration whatsoever and that no transfer shall be valid unless first approved by the Committee, acting in its sole discretion. For this purpose, "family member" means any child, stepchild, grandchild, parent, grandparent, stepparent, spouse, former spouse, sibling, niece, nephew, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law, or sister-in-law, including adoptive relationships, any person sharing the employee's household (other than a tenant or employee), a trust in which the foregoing persons have more than fifty (50) percent of the beneficial interests, a foundation in which the foregoing persons (or the Participant) control the management of assets, and any other entity in which these persons (or the Participant) own more than fifty (50) percent of the voting interests.

**&nbsp;&nbsp;&nbsp;&nbsp;Specific Terms of Awards**

&nbsp;&nbsp;&nbsp;&nbsp;<u>Options</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;(a)&nbsp;&nbsp;&nbsp;&nbsp;<u>Date of Grant</u>. The granting of an Option shall take place at the time specified in the Award Agreement. Only if expressly so provided in the applicable Award Agreement shall the Grant Date be the date on which the Award Agreement shall have been duly executed and delivered by the Company and the Optionee.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Exercise Price</u>. The price at which shares of Stock may be acquired under each Incentive Option shall be not less than 100% of the Market Value of Stock on the Grant Date, or not less than 110% of the Market Value of Stock on the Grant Date if the Optionee is a Ten Percent Owner. The price at which shares of Stock may be acquired under each Nonstatutory Option shall not be so limited solely by reason of this Section.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Option Period</u>. No Incentive Option may be exercised on or after the tenth anniversary of the Grant Date, or on or after the fifth anniversary of the Grant Date if the Optionee is a Ten Percent Owner. The Option period under each Nonstatutory Option shall not be so limited solely by reason of this Section.

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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;(d)&nbsp;&nbsp;&nbsp;&nbsp;<u>Exercisability</u>. An Option may be immediately exercisable or become exercisable in such installments, cumulative or non-cumulative, as the Committee may determine. In the case of an Option not otherwise immediately exercisable in full, the Committee may Accelerate such Option in whole or in part at any time; *provided, however,* that in the case of an Incentive Option, any such Acceleration of the Option would not cause the Option to fail to comply with the provisions of Section 422 of the Code or the Optionee consents to the Acceleration.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Method of Exercise</u>. An Option may be exercised by the Optionee giving written notice, in the manner provided in Section 14, specifying the number of shares of Stock with respect to which the Option is then being exercised. The notice shall be accompanied by payment in the form of cash or check payable to the order of the Company in an amount equal to the exercise price of the shares of Stock to be purchased or, subject in each instance to the Committee's approval, acting in its sole discretion, and to such conditions, if any, as the Committee may deem necessary to avoid adverse accounting effects to 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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) by delivery to the Company of shares of Stock having a Market Value equal to the exercise price of the shares to be purchased, 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;(ii) by surrender of the Option as to all or part of the shares of Stock for which the Option is then exercisable in exchange for shares of Stock having an aggregate Market Value equal to the difference between (*1*) the aggregate Market Value of the surrendered portion of the Option, and (*2*) the aggregate exercise price under the Option for the surrendered portion of the Option, 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;(iii) by delivery to the Company of the Optionee's executed promissory note in the principal amount equal to the exercise price of the shares of Stock to be purchased and otherwise in such form as the Committee shall have approved, 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;(iv) by delivery of any other lawful means of consideration which the Committee may approve.

If the Stock becomes traded on an established market, payment of any exercise price may also be made through and under the terms and conditions of any formal cashless exercise program authorized by the Company entailing the sale of the Stock subject to an Option in a brokered transaction (other than to the Company). Receipt by the Company of such notice and payment in any authorized or combination of authorized means shall constitute the exercise of the Option. Within thirty (30) days thereafter but subject to the remaining provisions of the Plan, the Company shall deliver or cause to be delivered to the Optionee or his agent a certificate or certificates for the number of shares then being purchased. Such shares of Stock shall be fully paid and nonassessable.

&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)<u>&nbsp;&nbsp;&nbsp;&nbsp;Limit on Incentive Option Characterization</u>. An Incentive Option shall be considered to be an Incentive Option only to the extent that the number of shares of Stock for which the Option first becomes exercisable in a calendar year do not have an aggregate Market Value (as of the date of the grant of the Option) in excess of the "current limit". The current limit for any Optionee for any calendar year shall be $100,000 *minus* the aggregate Market Value at the date of grant of the number of shares of Stock available for purchase for the first time in the same year under each other Incentive Option previously granted to the Optionee under the Plan, and under each other incentive stock option previously granted to the Optionee under any other incentive stock option plan of the Company and its Affiliates. Any shares of Stock which would

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cause the foregoing limit to be violated shall be deemed to have been granted under a separate Nonstatutory Option, otherwise identical in its terms to those of the Incentive Option.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Notification of Disposition</u>. Each person exercising any Incentive Option granted under the Plan shall be deemed to have covenanted with the Company to report to the Company any disposition of the shares of Stock issued upon such exercise prior to the expiration of the holding periods specified by Section 422(a)(1) of the Code and, if and to the extent that the realization of income in such a disposition imposes upon the Company federal, state, local or other withholding tax requirements, or any such withholding is required to secure for the Company an otherwise available tax deduction, to remit to the Company an amount in cash sufficient to satisfy those requirements.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Rights Pending Exercise</u>. No person holding an Option shall be deemed for any purpose to be a stockholder of the Company with respect to any of the shares of Stock issuable pursuant to his Option, except to the extent that the Option shall have been exercised with respect thereto and, in addition, a certificate shall have been issued therefor and delivered to such holder or his agent.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Restricted Stock</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;(a)&nbsp;&nbsp;&nbsp;&nbsp;<u>Purchase Price</u>. Shares of Restricted Stock shall be issued under the Plan for such consideration, in cash, other property or services, or any combination thereof, as is determined by the Committee.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Issuance of Certificates</u>. Each Participant receiving a Restricted Stock Award, subject to subsection (c) below, shall be issued a stock certificate in respect of such shares of Restricted Stock. Such certificate shall be registered in the name of such Participant, and, if applicable, shall bear an appropriate legend referring to the terms, conditions, and restrictions applicable to such Award substantially in the following form:

THE SHARES EVIDENCED BY THIS CERTIFICATE ARE SUBJECT TO THE TERMS AND CONDITIONS OF THE ELEKTROFI, INC. 2015 EQUITY INCENTIVE PLAN AND AN AWARD AGREEMENT ENTERED INTO BY THE REGISTERED OWNER AND ELEKTROFI, INC., COPIES OF WHICH WILL BE FURNISHED BY THE COMPANY TO THE HOLDER OF THE SHARES EVIDENCED BY THIS CERTIFICATE UPON WRITTEN REQUEST AND WITHOUT CHARGE.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Escrow of Shares</u>. The Committee may require that the stock certificates evidencing shares of Restricted Stock be held in custody by a designated escrow agent (which may but need not be the Company) until the restrictions thereon shall have lapsed, and that the Participant deliver a stock power, endorsed in blank, relating to the Stock covered by such Award.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Restrictions and Restriction Period</u>. During the Restriction Period applicable to shares of Restricted Stock, such shares shall be subject to limitations on transferability and a Risk of Forfeiture arising on the basis of such conditions related to the performance of services, Company or Affiliate performance or otherwise as the Committee may determine and provide for in the applicable Award Agreement. Any such Risk of Forfeiture may be waived or terminated, or the Restriction Period shortened, at any time by the Committee on such basis as it deems appropriate.

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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;(e)&nbsp;&nbsp;&nbsp;&nbsp;<u>Rights Pending Lapse of Risk of Forfeiture or Forfeiture of Award</u>. Except as otherwise provided in the Plan or the applicable Award Agreement, at all times prior to lapse of any Risk of Forfeiture applicable to, or forfeiture of, an Award of Restricted Stock, the Participant shall have all of the rights of a stockholder of the Company, including the right to vote, and the right to receive any dividends with respect to, the shares of Restricted Stock (but any dividends or other distributions payable in shares of Stock or other securities of the Company shall constitute additional Restricted Stock, subject to the same Risk of Forfeiture as the shares of Restricted Stock in respect of which such shares of Stock or other securities are paid). The Committee, as determined at the time of Award, may permit or require the payment of cash dividends to be deferred and, if the Committee so determines, reinvested in additional Restricted Stock to the extent shares of Stock are available under Section 4.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Lapse of Restrictions</u>. If and when the Restriction Period expires without a prior forfeiture of the Restricted Stock, the certificates for such shares shall be delivered to the Participant promptly if not theretofore so delivered.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Stock Grants</u>. Stock Grants shall be awarded solely in recognition of significant contributions to the success of the Company or its Affiliates, in lieu of compensation otherwise already due and in such other limited circumstances as the Committee deems appropriate. Stock Grants shall be made without forfeiture conditions of any kind.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Awards to Participants Outside the United States</u>. The Committee may modify the terms of any Award under the Plan granted to a Participant who is, at the time of grant or during the term of the Award, resident or primarily employed outside of the United States in any manner deemed by the Committee to be necessary or appropriate in order that the Award shall conform to laws, regulations, and customs of the country in which the Participant is then resident or primarily employed, or so that the value and other benefits of the Award to the Participant, as affected by foreign tax laws and other restrictions applicable as a result of the Participant's residence or employment abroad, shall be comparable to the value of such an Award to a Participant who is resident or primarily employed in the United States. The Committee may establish supplements to, or amendments, restatements, or alternative versions of the Plan for the purpose of granting and administrating any such modified Award. No such modification, supplement, amendment, restatement or alternative version may increase the share limit of Section 4.

**&nbsp;&nbsp;&nbsp;&nbsp;Adjustment and Related Provisions**

&nbsp;&nbsp;&nbsp;&nbsp;<u>Adjustment for Corporate Actions</u>. All of the share numbers set forth in the Plan reflect the capital structure of the Company as of the Effective Date. If subsequent to the Effective Date the outstanding shares of Stock (or any other securities covered by the Plan by reason of the prior application of this Section) are increased, decreased, or exchanged for a different number or kind of shares or other securities, or if additional shares or new or different shares or other securities are distributed with respect to shares of Stock, as a result of a reorganization, recapitalization, reclassification, stock dividend, stock split, reverse stock split, or other similar distribution with respect to such shares of Stock, an appropriate and proportionate adjustment will be made in (i) the maximum numbers and kinds of shares provided in Section 4, (ii) the numbers and kinds of shares or other securities subject to the then outstanding Awards, (iii) the exercise price for each share or other unit of any other securities subject to then outstanding Options (without change in the aggregate purchase price as to which such Options remain exercisable), and (iv) the repurchase price of each share of Restricted Stock then subject to a Risk of Forfeiture in the form of a Company repurchase right.

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&nbsp;&nbsp;&nbsp;&nbsp;<u>Adjustment of Awards Upon the Occurrence of Certain Unusual or Nonrecurring Events</u>. In the event of any corporate action not specifically covered by the preceding Section, including but not limited to an extraordinary cash distribution on Stock, a corporate separation or other reorganization or liquidation, the Committee may make such adjustment of outstanding Awards and their terms, if any, as it, in its sole discretion, may deem equitable and appropriate in the circumstances.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Related Matters</u>. Any adjustment in Awards made pursuant to Sections 8.1 or 8.2 shall be determined and made, if at all, by the Committee acting in its sole discretion and shall include any correlative modification of terms, including of Option exercise prices, rates of vesting or exercisability, Risks of Forfeiture and applicable repurchase prices for Restricted Stock, which the Committee may deem necessary or appropriate so as to ensure the rights of the Participants in their respective Awards are not substantially diminished nor enlarged as a result of the adjustment and corporate action other than as expressly contemplated in this Section 8. The Committee, in its discretion, may determine that no fraction of a share of Stock shall be purchasable or deliverable upon exercise, and in that event if any adjustment hereunder of the number of shares of Stock covered by an Award would cause such number to include a fraction of a share of Stock, such number of shares of Stock shall be adjusted to the nearest smaller whole number of shares. No adjustment of an Option exercise price per share pursuant to Sections 8.1 or 8.2 shall result in an exercise price which is less than the par value of the Stock.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Transactions</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;(a)&nbsp;&nbsp;&nbsp;&nbsp;<u>Definition of Transaction</u>. In this Section 8.4, "<u>Transaction</u>" means (1) any merger or consolidation of the Company with or into another entity as a result of which the Stock of the Company is converted into or exchanged for the right to receive cash, securities or other property or is cancelled, (2) any sale or exchange of Stock of the Company for cash, securities or other property in a single or series of related transactions if as a result securities possessing more than 50% of the total combined voting power of the survivor's or acquirer's outstanding securities (or the securities of any parent thereof) cease to be held by a person or persons who held securities possessing more than 50% of the total combined voting power of the Company's outstanding securities immediately prior to that transaction, (3) any sale, transfer, or other disposition of all or substantially all of the Company's assets to one or more other persons in a single transaction or series of related transactions or (4) any liquidation or dissolution 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;(b)&nbsp;&nbsp;&nbsp;&nbsp;<u>Treatment of Options</u>. In a Transaction, the Committee may take any one or more of the following actions as to all or any (or any portion of) outstanding Options.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&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)&nbsp;&nbsp;&nbsp;&nbsp;Provide that such Options shall be assumed, or substantially equivalent options shall be provided in substitution therefore, by the acquiring or succeeding entity (or an affiliate 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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;&nbsp;&nbsp;&nbsp;Upon written notice to the holders, provide that the holders' unexercised Options will terminate immediately prior to the consummation of such Transaction unless, in the case of Options then exercisable, exercised within a specified period following the date of such notice.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&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)&nbsp;&nbsp;&nbsp;&nbsp;Provide that outstanding Options shall become exercisable in whole or in part prior to or upon the Transaction.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4)&nbsp;&nbsp;&nbsp;&nbsp;Provide for cash payments, net of applicable tax withholdings, to be made to holders equal to the excess, if any, of (A) the acquisition price times the number of shares of Stock subject to an Option (to the extent the exercise price does not exceed the acquisition price) over (B) the aggregate exercise price for all such shares of Stock subject to the Option, in exchange for the termination of such Option; *provided, however,* that if the acquisition price does not exceed the exercise price of any such Option, the Committee may cancel that Option without the payment of any consideration therefore prior to or upon the Transaction. For this purpose, "<u>acquisition price</u>" means the amount of cash, and market value of any other consideration, received in payment for a share of Stock surrendered in a Transaction.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(5)&nbsp;&nbsp;&nbsp;&nbsp;Provide that, in connection with a liquidation or dissolution of the Company, Options shall convert into the right to receive liquidation proceeds as and when received net of the exercise price thereof and any applicable tax withholdings.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(6)&nbsp;&nbsp;&nbsp;&nbsp;Any combination of the foregoing.

For purposes of paragraph (1) above, an Option shall be considered assumed, or a substantially equivalent option shall be considered to have been provided in substitution therefore, if following consummation of the Transaction the Option confers the right to purchase, for each share of Stock subject to the Option immediately prior to the consummation of the Transaction, the consideration (whether cash, securities or other property) received as a result of the Transaction by holders of Stock for each share of Stock held immediately prior to the consummation of the Transaction; *provided, however*, if holders were offered a choice of consideration, the relevant consideration shall be the type of consideration chosen by the holders of a majority of the outstanding shares of Stock; *and provided, further, however*, that if the consideration received as a result of the Transaction is not solely common stock (or its equivalent) of the acquiring or succeeding entity (or an affiliate thereof), the Committee may provide for the consideration to be received upon the exercise of Options to consist solely of common stock (or its equivalent) of the acquiring or succeeding entity (or an affiliate thereof) equivalent in value to the per share consideration received by holders of outstanding shares of Stock as a result of the Transaction. In all cases, including in determining any acquisition price under paragraph (4) above, the consideration received in any Transaction need not take into account any contingent consideration except on such basis as the Committee may determine.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Treatment of Restricted Stock</u>. As to outstanding Awards in the form of Restricted Stock, upon the occurrence of a Transaction other than a liquidation or dissolution of the Company which is not part of another form of Transaction, the repurchase and other rights of the Company under each outstanding Restricted Stock Award shall inure to the benefit of the Company's successor and shall, unless the Committee determines otherwise, apply to the cash, securities or other property which the Stock was converted into or exchanged for pursuant to such

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Transaction in the same manner and to the same extent as they applied to the Restricted Stock Award. Upon the occurrence of a Transaction involving a liquidation or dissolution of the Company which is not part of another form of Transaction, except to the extent specifically provided to the contrary in the instrument evidencing any Restricted Stock Award or any other agreement between a Participant and the Company, all Risks of Forfeiture on all Restricted Stock Awards then outstanding shall automatically be deemed terminated or satisfied.

&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)&nbsp;&nbsp;&nbsp;&nbsp;<u>Related Matters</u>. In taking any of the actions permitted under this Section 8.4, the Committee shall not be obligated to treat all Awards, all Awards held by a Participant, or all Awards of the same type, identically. Any determinations required to carry out the foregoing provisions of this Section 8.4, including but not limited to the market value of other consideration received by holders of Stock in a Transaction and whether substantially equivalent options have been substituted, shall be made by the Committee acting in its sole discretion. In connection with any action or actions taken by the Committee in respect of Awards and in connection with a Transaction, the Committee may require such acknowledgements of satisfaction and releases from Participants as it may determine.

**&nbsp;&nbsp;&nbsp;&nbsp;Settlement of Awards**

&nbsp;&nbsp;&nbsp;&nbsp;<u>Violation of Law</u>. Notwithstanding any other provision of the Plan or the relevant Award Agreement, if, at any time, in the reasonable opinion of the Company, the issuance of shares of Stock covered by an Award may constitute a violation of law, then the Company may delay such issuance and the delivery of a certificate for such shares until (i) approval shall have been obtained from such governmental agencies, other than the Securities and Exchange Commission, as may be required under any applicable law, rule, or regulation and (ii) in the case where such issuance would constitute a violation of a law administered by or a regulation of the Securities and Exchange Commission, one of the following conditions shall have been satisfied:

&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)&nbsp;&nbsp;&nbsp;&nbsp;the shares of Stock are at the time of the issue of such shares effectively registered under the Securities Act of 1933, as amended; 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;(b)&nbsp;&nbsp;&nbsp;&nbsp;the Company shall have determined, on such basis as it deems appropriate (including an opinion of counsel in form and substance satisfactory to the Company) that the sale, transfer, assignment, pledge, encumbrance or other disposition of such shares does not require registration under the Securities Act of 1933, as amended or any applicable State securities laws.

The Company shall make all reasonable efforts to bring about the occurrence of said events.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Corporate Restrictions on Rights in Stock</u>. Any Stock to be issued pursuant to Awards granted under the Plan shall be subject to all restrictions upon the transfer thereof which may be now or hereafter imposed by the charter, certificate or articles, and by-laws, of the Company. Whenever Stock is to be issued pursuant to an Award, if the Committee so directs at or after grant, the Company shall be under no obligation to issue such shares until such time, if ever, as the recipient of the Award (and any person who exercises any Option, in whole or in part), shall have become a party to and bound by the Stockholders' Agreement, if any. In the event of any conflict between the provisions of this Plan and the provisions of the Stockholders' Agreement, the provisions of the Stockholders' Agreement shall control except as required to fulfill the intention that any Incentive Option qualify as such, but insofar as possible the provisions of the Plan and such Agreement shall be construed so as to give full force and effect to all such provisions.

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&nbsp;&nbsp;&nbsp;&nbsp;<u>Investment Representations</u>. The Company shall be under no obligation to issue any shares of Stock covered by any Award unless the shares to be issued pursuant to Awards granted under the Plan have been effectively registered under the Securities Act of 1933, as amended, or the Participant shall have made such written representations to the Company (upon which the Company believes it may reasonably rely) as the Company may deem necessary or appropriate for purposes of confirming that the issuance of such shares will be exempt from the registration requirements of that Act and any applicable state securities laws and otherwise in compliance with all applicable laws, rules and regulations, including but not limited to that the Participant is acquiring the shares for his or her own account for the purpose of investment and not with a view to, or for sale in connection with, the distribution of any such shares.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Registration</u>. If the Company shall deem it necessary or desirable to register under the Securities Act of 1933, as amended, or other applicable statutes any shares of Stock issued or to be issued pursuant to Awards granted under the Plan, or to qualify any such shares of Stock for exemption from the Securities Act of 1933, as amended or other applicable statutes, then the Company shall take such action at its own expense. The Company may require from each recipient of an Award, or each holder of shares of Stock acquired pursuant to the Plan, such information in writing for use in any registration statement, prospectus, preliminary prospectus or offering circular as is reasonably necessary for that purpose and may require reasonable indemnity to the Company and its officers and directors from that holder against all losses, claims, damage and liabilities arising from use of the information so furnished and caused by any untrue statement of any material fact therein or caused by the omission to state a material fact required to be stated therein or necessary to make the statements therein not misleading in the light of the circumstances under which they were made. In addition, the Company may require of any such person that he or she agree that, without the prior written consent of the Company or the managing underwriter in any public offering of shares of Stock, he or she will not sell, make any short sale of, loan, grant any option for the purchase of, pledge or otherwise encumber, or otherwise dispose of, any shares of Stock during the 180 day period commencing on the effective date of the registration statement relating to the underwritten public offering of securities. Without limiting the generality of the foregoing provisions of this Section 9.4, if in connection with any underwritten public offering of securities of the Company the managing underwriter of such offering requires that the Company's directors and officers enter into a lock-up agreement containing provisions that are more restrictive than the provisions set forth in the preceding sentence, then (a) each holder of shares of Stock acquired pursuant to the Plan (regardless of whether such person has complied or complies with the provisions of clause (b) below) shall be bound by, and shall be deemed to have agreed to, the same lock-up terms as those to which the Company's directors and officers are required to adhere; and (b) at the request of the Company or such managing underwriter, each such person shall execute and deliver a lock-up agreement in form and substance equivalent to that which is required to be executed by the Company's directors and officers.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Placement of Legends; Stop Orders; etc.</u> Each share of Stock to be issued pursuant to Awards granted under the Plan may bear a reference to the investment representations made in accordance with Section 9.3 in addition to any other applicable restrictions under the Plan, the terms of the Award and if applicable under the Stockholders' Agreement and to the fact that no registration statement has been filed with the Securities and Exchange Commission in respect to such shares of Stock. All certificates for shares of Stock or other securities delivered under the Plan shall be subject to such stop transfer orders and other restrictions as the Committee may deem advisable under the rules, regulations, and other requirements of any stock exchange upon which the Stock is then listed, and any applicable federal or state securities law, and the

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Committee may cause a legend or legends to be put on any such certificates to make appropriate reference to such restrictions.

&nbsp;&nbsp;&nbsp;&nbsp;<u>Tax Withholding</u>. Whenever shares of Stock are issued or to be issued pursuant to Awards granted under the Plan, the Company shall have the right to require the recipient to remit to the Company an amount sufficient to satisfy federal, state, local or other withholding tax requirements if, when, and to the extent required by law (whether so required to secure for the Company an otherwise available tax deduction or otherwise) prior to the delivery of any certificate or certificates for such shares. The obligations of the Company under the Plan shall be conditional on satisfaction of all such withholding obligations and the Company shall, to the extent permitted by law, have the right to deduct any such taxes from any payment of any kind otherwise due to the recipient of an Award. However, in such cases Participants may elect, subject to the approval of the Committee, acting in its sole discretion, to satisfy an applicable withholding requirement, in whole or in part, by having the Company withhold shares of Stock to satisfy their tax obligations. Participants may only elect to have shares of Stock withheld having a Market Value on the date the tax is to be determined equal to the minimum statutory total tax which could be imposed on the transaction. All elections shall be irrevocable, made in writing, signed by the Participant, and shall be subject to any restrictions or limitations that the Committee deems appropriate.

**&nbsp;&nbsp;&nbsp;&nbsp;Reservation of Stock**

The Company shall at all times during the term of the Plan and any outstanding Options granted hereunder reserve or otherwise keep available such number of shares of Stock as will be sufficient to satisfy the requirements of the Plan (if then in effect) and the Options and shall pay all fees and expenses necessarily incurred by the Company in connection therewith.

**&nbsp;&nbsp;&nbsp;&nbsp;No Special Employment or Other Rights**

Nothing contained in the Plan or in any Award Agreement shall confer upon any recipient of an Award any right with respect to the continuation of his or her employment or other association with the Company (or any Affiliate), or interfere in any way with the right of the Company (or any Affiliate), subject to the terms of any separate employment or consulting agreement or provision of law or charter, certificate or articles, or by-laws, to the contrary, at any time to terminate such employment or consulting agreement or to increase or decrease, or otherwise adjust, the other terms and conditions of the recipient's employment or other association with the Company and its Affiliates.

**&nbsp;&nbsp;&nbsp;&nbsp;Nonexclusivity of the Plan**

Neither the adoption of the Plan by the Board nor any action taken in connection with the adoption or operation of the Plan shall be construed as creating any limitations on the power of the Board to adopt such other incentive arrangements as it may deem desirable, including without limitation, the granting of stock options and restricted stock other than under the Plan, and such arrangements may be either applicable generally or only in specific cases.

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**&nbsp;&nbsp;&nbsp;&nbsp;No Guarantee of Tax Consequences**

Neither the Company nor any Affiliate, nor any director, officer, agent, representative or employee of either, guarantees to the Participant or any other person any particular tax consequences as a result of the grant of, exercise of rights under, or payment in respect of an Award, including but not limited to that an Option granted as an Incentive Option has or will qualify as an "incentive stock option" within the meaning of Section 422 of the Code or that the provisions and penalties of Section 409A of the Code, pertaining non-qualified plans of deferred compensation, will or will not apply.

**&nbsp;&nbsp;&nbsp;&nbsp;Termination and Amendment of the Plan**

The Board may at any time terminate the Plan or make such modifications of the Plan as it shall deem advisable. Unless the Board otherwise expressly provides, no amendment of the Plan shall affect the terms of any Award outstanding on the date of such amendment.

The Committee may amend the terms of any Award theretofore granted, prospectively or retroactively, provided that the Award as amended is consistent with the terms of the Plan. The Committee also may accept the cancellation of outstanding Awards or of outstanding stock options or other equity-based compensation awards granted by another issuer in return for the grant of new Awards for the same or a different number of shares of Stock and on the same or different terms and conditions (including but not limited to the exercise price of any Option). Furthermore, the Committee may at any time (a) offer to buy out for a payment in cash or cash equivalents an Award previously granted or (b) authorize the recipient of an Award to elect to cash out an Award previously granted, in either case at such time and based upon such terms and conditions as the Committee shall establish.

No amendment or modification of the Plan by the Board, or of an outstanding Award by the Committee, shall impair the rights of the recipient of any Award outstanding on the date of such amendment or modification or such Award, as the case may be, without the Participant's consent; *provided, however,* that no such consent shall be required if (i) the Board or Committee, as the case may be, determines in its sole discretion that such amendment or alteration either is required or advisable in order for the Company, the Plan or the Award to satisfy any law or regulation, including without limitation the provisions of Section 409A of the Code, or to meet the requirements of or avoid adverse financial accounting consequences under any accounting standard, or (ii) the Board or Committee, as the case may be, determines in its sole discretion that such amendment or alteration is not reasonably likely to significantly diminish the benefits provided under the Award, or that any such diminution has been adequately compensated.

**&nbsp;&nbsp;&nbsp;&nbsp;Notices and Other Communications**

Any notice, demand, request or other communication hereunder to any party shall be deemed to be sufficient if contained in a written instrument delivered in person or duly sent by first class registered, certified or overnight mail, postage prepaid, or telecopied with a confirmation copy by regular, certified or overnight mail, addressed or telecopied, as the case may be, (i) if to the recipient of an Award, at his or her residence address last filed with the Company and (ii) if to the Company, at its principal place of business, addressed to the attention of its Treasurer, or to such other address or telecopier number, as the case may be, as the addressee may have designated by notice to the addressor. All such notices, requests, demands and other communications shall be deemed to have been received: (i) in the case of personal

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delivery, on the date of such delivery; (ii) in the case of mailing, when received by the addressee; and (iii) in the case of facsimile transmission, when confirmed by facsimile machine report.

**&nbsp;&nbsp;&nbsp;&nbsp;Administrative Provisions**

Nothing contained in the Plan shall require the issuance or delivery of certificates for any period during which the Company has elected to maintain or caused to be maintained the evidence of ownership of its shares of Stock, either generally or in the case of Stock acquired pursuant to Awards, by book entry, and all references herein to such actions or to certificates shall be interpreted accordingly in light of the systems maintained for that purpose. Furthermore, any reference herein to actions to be taken or notices (including of grants of Awards) to be provided in writing or pursuant to specific procedures may be satisfied by means of and pursuant to any electronic or automated voice response systems the Company may elect to establish for such purposes, either by itself or through the services of a third party, for the period such systems are in effect.

**&nbsp;&nbsp;&nbsp;&nbsp;Governing Law**

It is intended that all Awards shall be granted and maintained on a basis which ensures they are exempt from, or otherwise compliant with, the requirements of Section 409A of the Code and the Plan shall be governed, interpreted and enforced consistent with such intent. Neither the Committee nor the Company, nor any of its Affiliates or its or their officers, employees, agents, or representatives, shall have any liability or responsibility for any adverse federal, state or local tax consequences and penalty taxes which may result the grant or settlement of any Award on a basis contrary to the provisions of Section 409A of the Code or comparable provisions of any applicable state or local income tax laws. The Plan and all Award Agreements and actions taken thereunder otherwise shall be governed, interpreted and enforced in accordance with the laws of the State of Delaware, without regard to the conflict of laws principles thereof.

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Adopted by the Board of Directors on October 19, 2015; approved by the Stockholders on October 19, 2015.

Amended by Board Consent dated October 4, 2019 and approved by Stockholder Consent October 4, 2019.

Amended by Board Consent dated February 18, 2022 and approved by Stockholder Consent February 18, 2022.

Amended by Board Consent dated May 26, 2022 and approved by Stockholder Consent May 26, 2022.

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Amended by Board Consent dated August 7, 2024 and approved by Stockholder Consent August 7, 2024.

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**Attachment A**

**Provisions Applicable to Award Recipients**

**Resident in California**

Until such time as the Company's Stock has been effectively registered under the Securities Act of 1933, as amended, and if required by any applicable law, the following additional terms shall apply to Awards, and Stock issued pursuant to such Awards, granted under the Plan to persons resident in California as of the date of grant of the Award (each such person, a "<u>California Recipient</u>"). Capitalized terms not defined in this Attachment shall have the respective meanings set forth in the Plan.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.&nbsp;&nbsp;&nbsp;&nbsp;No Option or other right to acquire Stock pursuant to an Award issued to any California Recipient, that is otherwise transferable pursuant to the terms of the Plan, shall be transferable other than by gift or domestic relations order to an immediate family member as that term is defined under applicable California and Federal securities law or to a revocable trust (or by will or the laws of descent and distribution).

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;&nbsp;&nbsp;&nbsp;The following limitations shall apply to the early expiration of Options granted California Recipients on account of termination of employment (unless employment is terminated for cause as defined by applicable law):

&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)&nbsp;&nbsp;&nbsp;&nbsp;Subject to Section 5(b) below, in the event the employment or other association with the Company and its Affiliates of an Optionee who is a California Resident is terminated, whether voluntary or otherwise and including on account of an entity ceasing to be an Affiliate of the Company, such California Recipient shall have at least 30 days after the date of such termination (but in no event later than the expiration of the term of such Option as set forth in the Award Agreement) to exercise such Option to the extent exercisable as of the date of such 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;(b)&nbsp;&nbsp;&nbsp;&nbsp;In the event that the employment or association with the Company and its Affiliates of an Optionee who is a California Resident is terminated as a result of death or disability, such California Recipient shall have at least 6 months after the date of such termination (but in no event later than the expiration of the term of such Option as set forth in the Award Agreement) to exercise such Option to the extent exercisable as of the date of such termination.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.&nbsp;&nbsp;&nbsp;&nbsp;The Plan must be approved by a majority of the outstanding securities entitled to vote within 12 months before or after the later of (i) the date the Plan is adopted by the Company and (ii) the date on which any Option or other Award is granted to a California Recipient.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.&nbsp;&nbsp;&nbsp;&nbsp;No Option granted to a California Recipient may be exercised on or after the tenth anniversary of the Grant Date.

## Exhibit 23.1

**Exhibit 23.1**

**Consent of Independent Registered Accounting Firm**

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Elektrofi, Inc. 2015 Equity Incentive Plan of Halozyme Therapeutics, Inc. of our reports dated February 18, 2025, with respect to the consolidated financial statements of Halozyme Therapeutics, Inc. and the effectiveness of internal control over financial reporting of Halozyme Therapeutics, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2024, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

San Diego, California<br>November 18, 2025

<br>