halo-20240313

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a)

OF THE SECURITIES EXCHANGE ACT OF 1934

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x			Definitive Proxy Statement
o			Definitive Additional Materials
o			Soliciting Materials Pursuant to §240.14a-12
Halozyme Therapeutics, Inc.
(Name of Registrant as Specified in Its Charter)
(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)
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March 15, 2024

Dear Stockholder:

You are cordially invited to attend the 2024 Annual Meeting of Stockholders of Halozyme Therapeutics, Inc., which will be held on April 25, 2024, at 12:00 p.m. Pacific Time. The meeting will be online only, so there is no physical meeting location.

The Notice of Annual Meeting of Stockholders and a Proxy Statement, which describes the formal business to be conducted at the meeting, follow this letter.

It is important that you use this opportunity to take part in the affairs of Halozyme Therapeutics, Inc. by voting on the business to come before this meeting. Whether or not you plan to attend the Annual Meeting online, we hope you vote as soon as possible to assure your representation. You can vote your shares over the Internet, by telephone or if you requested printed proxy material by mail, by using a traditional proxy card. Instructions on each of these voting methods are outlined in the enclosed proxy statement. Regardless of the number of shares you own, your careful consideration of, and vote on, the matters before our stockholders is important.

A copy of Halozyme’s Annual Report on Form 10-K accompanies these proxy materials for your information. At the Annual Meeting, we will review Halozyme’s activities over the past year and our plans for the future. The Board of Directors and management look forward to seeing you at the Annual Meeting.

Sincerely yours,

HELEN I. TORLEY, M.B. Ch.B., M.R.C.P.

President and Chief Executive Officer

TABLE OF CONTENTS


NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

PROXY STATEMENT FOR ANNUAL MEETING OF STOCKHOLDERS						1

SOLICITATION AND VOTING						2

PROPOSAL NO. 1 - ELECTION OF DIRECTORS						4

CORPORATE GOVERNANCE						17

PROPOSAL NO. 2 - ADVISORY (NON-BINDING) VOTE ON EXECUTIVE COMPENSATION (SAY-ON-PAY)						21

PROPOSAL NO. 3 - APPROVAL OF AMENDMENT OF AMENDED AND RESTATED CERTIFICATE OF INCORPORATION TO REFLECT DELAWARE LAW PROVISIONS REGARDING EXCULPATION OF OFFICERS						23

PROPOSAL NO. 4 - RATIFICATION OF SELECTION OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM						25

REPORT OF THE AUDIT COMMITTEE						26

EXECUTIVE COMPENSATION AND RELATED INFORMATION						27

CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS						56

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS						57

STOCKHOLDER PROPOSALS TO BE PRESENTED AT NEXT ANNUAL MEETING						59

TRANSACTION OF OTHER BUSINESS						59

DELIVERY OF PROXY MATERIALS AND ANNUAL REPORTS						60

HALOZYME THERAPEUTICS, INC.

12390 El Camino Real

San Diego, California 92130

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

To Be Held on April 25, 2024

TO THE STOCKHOLDERS OF HALOZYME THERAPEUTICS, INC.:

Notice is hereby given that the Annual Meeting of the Stockholders of Halozyme Therapeutics, Inc., a Delaware corporation, will be held on April 25, 2024, at 12:00 p.m. Pacific Time. The meeting will be online only, so there is no physical meeting location. The Annual Meeting is being held for the following purposes:

1.To elect two Class II directors to hold office for a three-year term and until their respective successors are elected and qualified;

2.To approve, by a non-binding advisory vote, the compensation of our Named Executive Officers;

3.To approve an amendment to our Amended and Restated Certificate of Incorporation to reflect Delaware law provisions regarding exculpation of officers;

4.To ratify the selection of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2024; and

5.To transact such other business as may properly come before the Annual Meeting.

You will be able to attend the Annual Meeting, submit questions and vote during the live webcast by visiting www.virtualshareholdermeeting.com/HALO2024 and entering the 16 digit control number included in your Notice of Internet Availability, on your proxy card, or voting instruction form, or in the instructions you received by email. Please refer to the additional logistical details and recommendations in the accompanying proxy statement. Only stockholders of record at the close of business on February 26, 2024 are entitled to notice of, and to vote at, this Annual Meeting and any adjournment or postponement thereof. The Board of Directors recommends that you vote FOR each of the nominees to the Board of Directors named in the accompanying Proxy Statement and FOR Proposals 2, 3 and 4.

By order of the Board of Directors,

Mark Snyder

Senior Vice President, General Counsel,

and Corporate Secretary

San Diego, California

March 15, 2024

Important Notice Regarding the Availability of Proxy Materials for

The Annual Meeting of Stockholder To Be Held on April 25, 2024

The Proxy Statement and the 2023 Annual Report to Stockholders and the means to vote by Internet are available at www.proxyvote.com.

IMPORTANT: You are cordially invited to attend the virtual meeting online. Whether or not you expect to attend the virtual meeting online, please vote as soon as possible by using the Internet or telephone or for those receiving paper copies of these proxy materials by completing, signing, dating and mailing your proxy card in the accompanying postage-paid envelope. Even if you have voted by proxy, you may still vote in person if you attend the virtual meeting online.

PROXY STATEMENT FOR ANNUAL MEETING OF STOCKHOLDERS

The accompanying proxy is solicited on behalf of the Board of Directors of Halozyme Therapeutics, Inc., a Delaware corporation (“Halozyme” or the “Company”), for use at Halozyme’s Annual Meeting of Stockholders to be held online on April 25, 2024 at 12:00 p.m. Pacific Time and at any adjournment or postponement thereof, for the purposes set forth in the accompanying Notice of Annual Meeting of Stockholders. This Proxy Statement, notice, the notice of internet availability of the proxy materials, and the proxy card are first being made available and/or mailed to stockholders on or about March 15, 2024.

ANNUAL MEETING AGENDA AND BOARD OF DIRECTORS VOTE RECOMMENDATIONS

Stockholders are being asked to vote on each of the following items at the Annual Meeting:

•Proposal 1. The election of two Class II director nominees named in this Proxy Statement to the Board of Directors, each to serve a three-year term and until their respective successors are elected and qualified;

•Proposal 2. The approval of a non-binding advisory resolution approving the compensation of our Named Executive Officers;

•Proposal 3. The approval of an amendment to our Amended and Restated Certificate of Incorporation to reflect Delaware law provisions regarding exculpation of officers; and

•Proposal 4. The ratification of the selection of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2024.

The Board of Directors recommends that you vote FOR the nominees to the Board of Directors named in this Proxy Statement and FOR Proposals 2, 3 and 4.

SOLICITATION AND VOTING

Voting Securities. Only stockholders of record as of the close of business on February 26, 2024, the record date for the Annual Meeting, will be entitled to vote at the meeting and any adjournment or postponement thereof. As of that date, we had 127,054,240 shares of common stock outstanding, all of which are entitled to vote with respect to all matters to be acted upon at the Annual Meeting. Each stockholder of record as of that date is entitled to one vote for each share of common stock held by him or her. Our Bylaws provide that a majority of all of the shares of the stock entitled to vote, whether present in person or represented by proxy, shall constitute a quorum for the transaction of business at the meeting. When a quorum is present at the meeting, all matters other than the election of directors and the proposed amendment to our certificate of incorporation to reflect Delaware law provisions regarding the exculpation of officers, will be determined by a majority in voting power of the shares present in person or represented by proxy and entitled to vote on the matter. The election of directors will be determined by a majority in voting power of the shares present in person or represented by proxy at the meeting and voting on the matter. The proposed amendment to our certificate of incorporation to reflect Delaware law provisions regarding the exculpation of officers will be determined by a majority in voting power of the shares outstanding on the record date. Votes for and against, abstentions and “broker non-votes” will each be counted as present for purposes of determining the presence of a quorum.

As permitted by rules adopted by the Securities and Exchange Commission (“SEC”), we are furnishing our proxy statement, 2023 Annual Report to Stockholders and proxy card over the internet to most of our stockholders. This means that most of our stockholders will initially receive only a Notice of Internet Availability of Proxy Materials containing instructions on how to access the proxy materials over the Internet. If you would like to receive a paper copy of the proxy materials, the Notice of Internet Availability of Proxy Materials contains instructions on how you can request copies of these documents at no cost to you.

Voting of Proxies. All valid proxies received before the meeting will be exercised. All shares represented by a proxy will be voted, and where a proxy specifies a stockholder’s choice with respect to any matter to be acted upon, the shares will be voted in accordance with that specification. If no choice is indicated on the proxy provided by a stockholder of record, the shares will be voted for the nominees and for proposals 2, 3 and 4.

You may vote by attending the Annual Meeting online, by using the Internet or telephone to submit a proxy or by completing and returning a proxy by mail, if you requested printed proxy material by mail.

Voting by Internet. To vote by Internet, go to www.proxyvote.com. Internet voting is available 24 hours a day, although your vote by Internet must be received by 11:59 p.m. Eastern Time on April 24, 2024. You will need the control number found either on the Notice of Internet Availability of Proxy Materials or on the proxy card if you are receiving a printed copy of these materials. If you vote by Internet, you should not return your proxy card or voting instruction card. If you hold your shares in “street name” as explained below, please refer to the voting instruction form or notice provided to you by your broker, bank or other holder of record for Internet voting instructions.

Voting by Telephone. To vote by telephone, call 1-800-690-6903 and follow the instructions. Telephone voting is available 24 hours a day, although your vote by telephone must be received by 11:59 p.m. Eastern Time on April 24, 2024. You will need the control number found on your Notice of Internet Availability of Proxy Materials, voting instruction form or on the proxy card if you are receiving a printed copy of these materials. If you vote by telephone, you should not return your proxy card or voting instruction card. If you hold your shares in “street name” as explained below, please refer to the Notice of Internet Availability of Proxy Materials or voting instruction card provided to you by your broker, bank or other holder of record for telephone voting instructions.

Voting by Mail. If you requested printed proxy materials by mail, by completing, signing and returning the proxy card in the prepaid and addressed envelope enclosed with proxy materials delivered by mail, you are authorizing the individuals named on the proxy card to vote your shares at the Annual Meeting in the manner you indicate. You are encouraged to sign and return the proxy card even if you plan to attend the Annual Meeting so that your shares will be voted if you are unable to attend the Annual Meeting. If you receive more than one proxy card, it is an indication that your shares are held in multiple accounts. Please complete, sign and return all proxy cards to ensure that all your shares are voted.

Voting Online During Annual Meeting. You are entitled to participate in the Annual Meeting if you were a shareholder as of the close of business on February 26, 2024, the record date, or hold a legal proxy for the meeting provided by your bank, broker, or nominee. To be admitted to the Annual Meeting at www.virtualshareholdermeeting.com/HALO2024, you must enter the control number found on your Notice of Internet Availability of Proxy Materials, proxy card, or voting instruction form you previously received. You may vote during the Annual Meeting by following the instructions available on the meeting website during the meeting. The meeting’s virtual attendance format will provide you the ability to participate and ask questions in writing during the meeting. Whether or not you plan to participate in the Annual Meeting, we urge you to vote and submit your proxy in advance of the meeting by one of the methods described in the proxy materials for the Annual Meeting. If your shares are registered directly in your name with our transfer agent, EQ by Equiniti, you are considered the stockholder of record and you have the right to vote in person at the Annual Meeting. If your shares are held in the name of your broker or other nominee, you are considered the beneficial owner of shares held in “street name.” Beneficial owners whose stock is held in the name of a bank, broker or other nominee generally will receive instructions for voting from their banks, brokers or other nominees, rather than directly from us. You can vote your shares held through a bank, broker or other nominee by following the voting instructions sent to you by that institution. Shares for which you are the beneficial owner but not the stockholder of record may also be voted electronically during the Annual Meeting.

Revocability of Proxies. A stockholder giving a proxy has the power to revoke it at any time before it is exercised by delivering to the Secretary of Halozyme a written instrument revoking the proxy or by executing a duly executed proxy with a later date, or by attending the Annual Meeting online and voting in person.

Broker Non-Votes. A broker non-vote occurs when a broker submits a proxy card with respect to shares held in street name on behalf of a beneficial owner but is prohibited from voting on a particular matter because the broker has not received voting instructions from the beneficial owner and therefore does not have discretion to vote the beneficial owner’s shares with respect to that matter. Under the rules that govern brokers who are voting with respect to shares held in street name, brokers have the discretion to vote such shares on routine matters, but not on non-routine matters. Routine matters include the ratification of our independent registered public accounting firm. Non-routine matters include the election of directors, the advisory vote on executive compensation matters and the proposed amendment to our Amended and Restated Certificate of Incorporation to reflect Delaware law provisions regarding officer exculpation.

Solicitation of Proxies. We will bear the entire cost of soliciting proxies for the upcoming meeting. In addition to soliciting stockholders by mail through our employees, we will request banks, brokers and other custodians, nominees and fiduciaries to solicit customers for whom they hold our stock and will reimburse them for their reasonable, out-of-pocket costs. We may use the services of our officers, directors and others to solicit proxies, personally or by telephone, without additional compensation.

PROPOSAL NO. 1

ELECTION OF DIRECTORS

We have a classified Board of Directors that currently consists of three Class I directors, two Class II directors and three Class III directors. Our directors are elected for a term of three years, with one class of directors up for election every year. At the 2024 Annual Meeting of Stockholders, we will be electing two Class II directors, while the Class III directors will be elected at the 2025 Annual Meeting of Stockholders and the Class I directors will be elected at the 2026 Annual Meeting of Stockholders.

The Class II nominees recommended by the Board of Directors for election at the 2024 Annual Meeting are: Barbara Duncan and Mahesh Krishnan, M.D. Ms. Duncan is a current member of our Board of Directors and Dr. Krishnan is a new director nominee who, if elected, will join the Board of Directors following the 2024 Annual Meeting of Stockholders. Dr. Bizzari is not standing for re-election and his term will expire as of the meeting date. Based on Dr. Bizzari not standing for re-election, a vacancy is created with his Board seat. Dr. Krishnan was recommended to the chair of the Nominating and Corporate Governance Committee by Dr. Torley as a possible replacement candidate. He subsequently met with members of the Nominating and Corporate Governance Committee and then met with the other members of the Board of Directors. Based upon the Board’s assessment of his extensive industry experience as further described in this proxy statement, the Board recommended his nomination for election at the Annual Meeting. If elected, Ms. Duncan and Dr. Krishnan will serve as directors until our Annual Meeting in 2027 or until their successors are elected and qualified. If any nominee declines to serve or becomes unavailable for any reason, or if a vacancy occurs before the election (although we know of no reason to anticipate that this will occur), the proxies may be voted for such substitute nominees as our Board of Directors may designate.

Majority Voting Standard

Our Bylaws provide that in any election of one or more directors at a meeting at which a quorum is present, other than in a contested election, each director shall be elected by the vote of a majority of the votes cast by the stockholders with respect to the director. If a director does not receive in an election, other than a contested election, a majority of the votes, the director must tender his or her resignation to the Board of Directors. Within 90 days after the date of the certification of the election results, the Nominating and Corporate Governance Committee of the Board of Directors (or other committee that may be designated by the Board of Directors) will make a recommendation to the Board of Directors on whether to accept or reject the resignation, or whether other action should be taken. The Board of Directors will promptly act on such committee’s recommendation and publicly disclose within four business days on a Current Report on Form 8-K filed with the SEC its decision and the rationale behind such decision.

Vote Required

If a quorum is present at the meeting, election of each of the two nominees for Class II directors requires the affirmative vote of a majority in voting power of the shares present in person or represented by proxy at the meeting and voting on the matter. Abstentions and broker non-votes will have no effect on the outcome of the vote.

Recommendation

The Board of Directors recommends a vote “FOR” each of the nominees named above.

Board Candidate Expertise Selection Criteria

The Nominating and Corporate Governance Committee, with input from the Board of Directors, has determined that the following areas of expertise are of particular importance in providing appropriate oversight of the Company’s business and operations. Accordingly, the Nominating and Corporate Governance Committee seeks candidates for the Board of Directors from diverse professional backgrounds in order to ensure that the Board of Directors is comprised of individuals possessing extensive expertise in one or more of the following areas:


Skill			Rationale
Medicine and Science			As a Company directly and indirectly involved in the development, approval and commercialization of drugs, expertise in medicine and science is a key to the ongoing assessment of potential new technologies we may acquire.
Pharma Business Leadership and Operations			Experience in, and knowledge of, the pharmaceutical business contributes to deep understanding of business strategy, operations, key performance indicators and the competitive environment.
Complementary Business/Industry Segment Experience			Diverse experience gained from adjacent and complementary industries contributes to identification and evaluation of new opportunities and ideas.
International Business			International Business experience adds to our understanding of diverse business environments, economic conditions and cultural perspectives that informs our global business initiatives and strategy.
Human Capital Management			Execution of our strategy requires the development and retention of highly skilled and diverse set of leaders and team members.
Finance and Capital Markets			Experience overseeing financial transactions provides knowledge and skills necessary to evaluate and oversee the Company’s design and implementation of financial and capital allocation strategies.
M&A			Experience in the identification, negotiation and execution of M&A transactions provides knowledge to oversee the Company’s potential M&A activities.
Risk Management			Experience in risk management contributes to the identification, prioritization, assessment and mitigation of significant risk facing the company.

Based on its review of each director’s and director nominee’s professional experience and background, the Nominating and Corporate Governance Committee has determined that our current board members and director nominee possess expertise in the following areas noted below:

Director

Medicine and Science

Pharma Business Leadership and Operations

Complementary Business/Industry Segment Experience

International Business

Human Capital Management

Finance and Capital Markets

M&A

Risk Management

Bernadette Connaughton

Barbara Duncan

Jeffrey W. Henderson

Mahesh Krishnan, M.D.

Connie L. Matsui

Matthew L. Posard

Moni Miyashita

Helen I. Torley, M.B. Ch.B., M.R.C.P.

Board Diversity

Based upon responses received from each of our directors with respect to diversity, the Company’s Board of Directors is currently comprised of individuals from the following diverse backgrounds:


Board Diversity Matrix (As of March 15, 2024)
Total Number of Directors	8
	Female	Male
Part I: Gender Identity
Directors	5	3
Part II: Demographic Background
African American or Black	0	0
Alaskan Native or Native American	0	0
Asian	2	0
Hispanic or Latinx	0	0
Native Hawaiian or Pacific Islander	0	0
White	3	3
Two or More Races or Ethnicities	0	0

To see our Board Diversity Matrix as of March 24, 2023, please see our proxy statement filed with the SEC on March 24, 2023.

Directors Nominated for Election at the 2024 Annual Meeting

Barbara Duncan (age 59)
Director Since: 2023

Board Committees: Audit Committee and Compensation Committee

Key Skills: Pharma Business Leadership and Operations, International Business, Finance and Capital Markets, M&A

Other Current Public Company Boards:

Atea Pharmaceuticals, Inc.

Fusion Pharmaceuticals, Inc.

Ovid Therapeutics, Inc.

Recent Past Public Company Board Experience: Aevi Genomics Medicine, Inc., Adaptimmune Therapeutics, plc, Immunomedics, Inc., Innoviva, Inc., Jounce Therapeutics, Inc., ObsEva S.A.

Ms. Duncan brings over 16 years of pharmaceutical and biotechnology industry experience to the Board of Directors. She retired from Intercept Pharmaceuticals, Inc., a biopharmaceutical company, where she served as Chief Financial Officer and Treasurer from May 2009 to June 2016. From 2001 to 2009, Ms. Duncan held various senior leadership roles of increasing responsibility at DOV Pharmaceutical, Inc., a biotechnology company, including Chief Financial Officer and ultimately serving as Chief Executive Officer prior to DOV’s sale in 2010 to Euthymics Bioscience, Inc. Prior to joining DOV, Ms. Duncan served as Vice President of Corporate Finance - Global Healthcare at Lehman Brothers Inc. from 1998 to 2001, and as Director of Corporate Finance at SBC Warburg Dillon Read Inc. from 1994 to 1998. She also worked for PepsiCo, Inc. from 1989 to 1992 in its international audit division, and was a certified public accountant in the audit division of Deloitte & Touche LLP from 1986 to 1989. Ms. Duncan received her BBA from Louisiana State University and her MBA from the Wharton School of the University of Pennsylvania.

Key Skills and Experience:

Pharma Business Leadership and Operations and International Business

As Chief Financial Officer and Treasurer at Intercept Pharmaceuticals, Ms. Duncan helped lead the operational and strategic plans of this biopharmaceutical company, including managing the buildout of international operations and preparing financial teams for commercial product launch. At DOV Pharmaceutical, Ms. Duncan developed and lead in the execution of strategic plans, restructured several of the company’s partnerships and led negotiations on licensing transactions.

Finance and Capital Markets

Ms. Duncan’s gained extensive financing experience serving as Chief Financial Officer for two public biopharmaceutical companies. Through the successful execution of both private and public financings, Ms. Duncan’s leadership supported operations and strategic plans. Ms. Duncan managed all phases of Intercept’s initial public offering and following on offerings. Further, while serving as Chief Financial Officer at both Intercept and DOV Pharmaceutical, Ms. Duncan managed the investor relations function and research analyst and investment banking relationships.

M&A

Ms. Duncan gained extensive M&A experience in her role as Vice President at Lehman Brothers with an emphasis in the healthcare space. While at Lehman, Ms. Duncan reviewed potential merger opportunities, reviewed valuation work product and authored advisory presentations to assist clients in formulating strategic corporate structuring strategies. While serving as Chief Executive Officer of DOV Pharmaceutical, she led the execution of the company’s sale to Euthymics.

Board Service Selection Criteria: As further described in Ms. Duncan’s biography, the Nominating and Corporate Governance Committee believes that Ms. Duncan has the relevant background in the following areas which the committee believes are important to service on the Company’s Board of Directors: (i) pharma business leadership and operations, (ii) finance and capital markets, (iii) international business and (iv) M&A. Ms. Duncan’s extensive industry and financial experience, including her experience as chief financial officer at public biopharmaceutical companies, combined with her business acumen and experience serving on other public biopharmaceutical boards, provide our Board with valuable expertise, leading the Nominating and Corporate Governance Committee to determine that Ms. Duncan should serve as one of our directors.

Mahesh Krishnan (age 53)

Director Candidate

Board Committees: N/A

Key Skills: Medicine and Science, Pharma Business Leadership & Operations, Complimentary Business/Industry Segment Experience, International Business, Finance & Capital Markets, M&A

Recent Past Public Company Board Experience: Chinook Therapeutics, Inc.

Mahesh Krishnan, M.D., brings more than 20 years of health care practitioner and biotechnology and health service industry experience to the Board of Directors. Since 2009, Dr. Krishnan has served in various roles at DaVita, Inc., a provider of kidney dialysis services, including service as the co-lead of DaVita Venture Group, the external innovation arm of DaVita, Inc., where he is responsible for strategic partnerships in technology and research and development at DaVita, as well as medical policy in Washington, D.C. Since May 2019, Dr. Krishnan has also served as DaVita’s Group Vice President of Research and Development and prior to that role, Dr. Krishnan served as DaVita’s first international Chief Medical Officer from 2015 to May 2019. From 2004 to 2009, Dr. Krishnan served in various roles at Amgen Inc., a multinational biopharmaceutical company, including serving as the Global Development Leader for Epogen® and as Executive Director, Medical Policy for all of Amgen’s domestic products. From 2000 to 2004, Dr. Krishnan was a practicing nephrologist at Virginia Nephrology Group. He earned his M.D. from Jefferson Medical College at Thomas Jefferson University and his B.S. in pre-medicine from The Pennsylvania State University. He also holds an M.P.H. from Johns Hopkins University and an M.B.A. in health care management from the Johns Hopkins Carey School of Business.

Key Skills and Experience:

Medicine and Science; and Complementary Business/Industry Segment Expertise

Dr. Krishnan served as a practicing nephrologist at Virginia Nephrology Group where he managed daily operations. While at Amgen, he oversaw clinical trial execution for Epogen® and served as the executive director for medical policy and as the executive director for medical affairs. He also served as Vice President, Clinical Research and Publishing, Vice President Clinical Innovation and Public Policy and as Founding International Chief Medical Officer for DaVita during which time he was involved in a wide variety of operational and commercial functions for a premier nephrology health services company. As a Chief Medical Officer for DaVita he gained extensive experience in multi-site and international medical services delivery.

Pharma Business Leadership and Operations and International Business

Dr. Krishan gained extensive experience in pharma business leadership and operations in his role as executive director, medical affairs at Amgen. While at Amgen, he developed and executed on the medical affairs and marketing plan for Epogen® and negotiated multiple label iterations with the United States (“U.S.”) Food and Drug Administration (“FDA”). As global development leader for Epogen® he also oversaw multiple aspects of the FDA regulatory advisory committee meetings and successfully implemented a large molecule manufacturing change clinical program. At DaVita, Dr. Krishnan served as the international chief medical officer and oversaw clinical, operational and safety performance for DaVita’s clinical healthcare operations in eleven countries. Dr. Krishnan has also authored two books on pharmaceutical sales training.

Finance and Capital Markets and M&A

Dr. Krishnan currently serves as group vice president of DaVita Venture Group. In this capacity, he oversees corporate development and mergers and acquisitions. He has executed multiple industry partnerships including through the use of joint ventures, corporate spinouts and the founding of health care services, pharma, medical device and diagnostic companies. He has also overseen fundraising, venture capital investments in industry related companies and worked closely with corporate investor relations for capital market presentations.

Board Service Selection Criteria: As further described in Dr. Krishnan’s biography, the Nominating and Corporate Governance Committee believes that Dr. Krishnan has the relevant background in the following areas which the committee believes are important to service on the Company’s Board of Directors: (i) medicine and science, (ii) pharma business leadership and operations, (iii) complimentary business and industry experience, (iv) international business, (v) finance and capital markets, and (vi) M&A. Dr. Krishnan’s extensive industry, financial and M&A experience, including his experience in senior management positions in the biopharmaceutical industry, combined with his experience as a healthcare professional and his business acumen, provide our Board with valuable expertise, leading the Nominating and Corporate Governance Committee to determine that Dr. Krishnan should serve as one of our directors.

Directors Continuing in Office Until the 2025 Annual Meeting

Jeffrey W. Henderson (age 59)

Director Since: 2015

Board Chair

Board Committees: Audit Committee (Chair)

Key Skills: Pharma Business Leadership and Operations, Complementary Business/Industry Segment Experience, International Business, Human Capital Management, Finance and Capital Markets, M&A, Risk Management

Other Current Public Company Boards:

Becton Dickinson and Company, a medical technology company

Fibrogen, Inc., a biotechnology company

Qualcomm, Inc., a wireless communications and semiconductor company

Mr. Henderson brings nearly 30 years of financial, commercial and pharmaceutical industry expertise to the Board of Directors. He has served as President of JWH Consulting LLC, an investment and business advisory firm, since January 2018. From 2015 to 2019, he served as a Healthcare Advisory Director to Berkshire Partners LLC. Mr. Henderson previously served as the Chief Financial Officer of Cardinal Health, Inc., a multinational health care services company, from May 2005 to November 2014, and in an executive capacity until his retirement from Cardinal in August 2015. From 1998 to 2005, Mr. Henderson held various senior management positions at Eli Lilly and Company, a multinational pharmaceutical company, including President and General Manager, Eli Lilly Canada, Inc. and Controller and Treasurer of Eli Lilly, Inc. He received his BS in electrical engineering from Kettering University, Flint, Mich., and his MBA from Harvard Graduate School of Business Administration.

Key Skills and Experience:

Pharma Business Leadership and Operations and International Business

Mr. Henderson gained deep experience in a broad range of business and operational topics during his nearly 10-year tenure as Chief Financial Officer for Cardinal Health, a $100 billion health care products and services company. During a portion of this tenure he was also responsible for commercial operations in China and Canada. These experiences built on prior expertise,

specifically gained in pharmaceuticals, when he served as general manager of Eli Lilly Canada and Controller/Treasurer of Eli Lilly Inc.

Complementary Business/Industry Segment Experience

As a member of the board of directors of Becton Dickinson, a leading global medical technology company, and during his time as an executive at Cardinal Health, Mr. Henderson has gained a deep exposure to, and experience in, key aspects of the medical device business and market.

Finance and Capital Markets and M&A

In his almost 15 years experience as Chief Financial Officer at Cardinal Health and Controller/Treasurer at Eli Lilly, Mr. Henderson gained extensive experience in finance and capital markets. During his tenure at Cardinal Health, the company acquired more than 30 companies, spun-off or sold multi-billion-dollar businesses and expanded into new geographic locations and market segments. During his time with the PE firm of Berkshire Partners, he was involved in the identification, evaluation and execution of multiple acquisition opportunities in the healthcare sector.

Risk Management

In his positions as a Chief Financial Officer for Cardinal Health and Controller/Treasurer at Eli Lilly, Mr. Henderson played a key role in risk identification and risk mitigation. Further, Mr. Henderson has been operationally accountable for commercial operations in both China (Cardinal Health) and Canada (Eli Lilly and Cardinal Health). These unique experiences in both staff and line roles enable a broad perspective on identifying potential risks and risk management.

Human Capital Management

Mr. Henderson has substantial experience leading organizations with multi-thousands of employees, including related aspects of organizational and compensation/incentive design.

Board Service Selection Criteria: As further described in Mr. Henderson’s biography, the Nominating and Corporate Governance Committee believes Mr. Henderson has the relevant background in the following areas which the committee believes are important to service on the Company’s Board of Directors: (i) pharma business leadership and operations, (ii) complementary business and industry segment experience, (iii) international business, (iv) human capital management, (v) finance and capital markets, (vi) M&A and (vii) risk management. Mr. Henderson’s extensive experience serving in executive leadership positions, including as Chief Financial Officer, with large publicly-traded healthcare and pharmaceutical corporations, combined with his business acumen and judgment, including his qualifications as an audit committee financial expert, provide our Board with valuable financial, strategic and operational expertise and leadership skills, leading the Nominating and Corporate Governance Committee to determine that Mr. Henderson should serve as one of our directors.

Connie L. Matsui (age 70)

Director Since: 2006

Board Committees: Compensation Committee

Key Skills: Pharma Business Leadership and Operations, International Business, Human Capital Management, Risk Management, M&A

Other Current Public Company Boards:

Artelo Biosciences, Inc., a biopharmaceutical company

Sutro Biopharma, Inc., a biopharmaceutical company

Ms. Matsui brings 30 years of pharmaceutical and biotech industry expertise to the Board of Directors. She retired from Biogen Idec Inc., a biotechnology company, in January 2009 as the Executive Vice President, Knowledge and Innovation Networks. She served as an Executive Committee member at both Biogen Idec and IDEC Pharmaceuticals, a predecessor of Biogen Idec. Among the many major roles she played after joining IDEC Pharmaceuticals in November 1992 was Senior Vice President, overseeing investor relations, corporate communications, human resources, project management and strategic planning. Prior to entering the biotechnology industry, Ms. Matsui worked for Wells Fargo Bank in general management, marketing and human resources. She received her BA and MBA from Stanford University.

Key Skills and Experience:

Pharma Business Leadership and Operations

Ms. Matsui gained deep experience in a broad range of business and operational topics during her tenure at IDEC Pharmaceuticals and then Biogen Idec, overseeing human resources, alliance management, investor relations, corporate communications, project management and strategic planning. In addition, she served as Collaboration Chair for the late stage development and commercialization of rituximab (tradenames: Rituxan®, MabThera®) in partnership with Roche and Genentech, a position requiring strong alliance management and business expertise. She also served as project team leader for the late stage development and commercialization of Zevalin, the first FDA-approved radioimmunoconguate for the treatment of cancer.

International Business

In her Collaboration Chair position for rituximab, Ms. Matsui served as the IDEC member of the collaboration oversight team with counterparts from Roche, Genentech and Zenyaku Kogyo, responsible for progress on all aspects of late stage development, manufacturing, regulatory approval and global commercialization. In addition, as IDEC’s Project Leader for Zevalin, she worked with leadership at global partner Schering AG based in Germany and radioisotope supplier Nordion, which had nuclear facilities in Canada and Belgium. At Biogen Idec, she was directly responsible for staff teams based in the U.S. and Europe.

Human Capital Management

Ms. Matsui also led Human Resources at IDEC Pharmaceuticals and Biogen Idec, where key experiences included the growth of IDEC from a 100-employee R&D entity to a 1,000-employee fully integrated biotech company and, ultimately, to 4,000 employees worldwide following the merger of equals between IDEC and Biogen. Prior to this position, Ms. Matsui also held various operating positions, including a senior Human Resources position in the banking industry, where experiences were gained in the area of human capital management and integration of merged and acquired entities.

M&A

As Co-Integration lead for the Biogen IDEC merger of equals, Ms. Matsui was engaged in assessing merger feasibility and strategic acceleration potential and had a leading role in communication and implementation of merger plans. This experience included the divestiture of IDEC’s large scale manufacturing plant and successful integration by Genentech and, later on, assimilation of a small-molecule company in San Diego. Ms. Matsui has also guided multiple nonprofit mergers to optimization and facilitated the rapid assimilation of acquired banks and savings & loans while at Wells Fargo.

Risk Management

In her more than 30 years in the biotech industry, initially as an executive officer and then while serving on the board of directors for biotechnology and pharmaceutical companies, Ms. Matsui has provided guidance to companies in a highly regulated industry in managing and mitigating risks in the following areas: corporate restructuring, financing transactions, data communication, employee retention and ESG.

Board Service Selection Criteria: As further described in Ms. Matsui’s biography, the Nominating and Corporate Governance Committee believes Ms. Matsui has the relevant background in the following areas which the committee believes are important to service on the Company’s Board of Directors: (i) pharma business leadership and operations, (ii) international business, (iii) human capital management, (iv) risk management and (v) M&A. Ms. Matsui’s operational experience, including her extensive knowledge of the biotechnology industry, her service in other public company management teams and her prior business experience, combined with her business acumen and judgment, provide our Board with valuable management and operational expertise and leadership skills, leading the Nominating and Corporate Governance Committee to determine that Ms. Matsui should serve as one of our directors.

Helen I. Torley, M.B. Ch.B., M.R.C.P. (age 61)

Director Since: 2014

President and Chief Executive Officer

Key Skills: Medicine and Science, Pharma Business Leadership and Operations, Human Capital Management, Finance and Capital Markets, Risk Management

Recent Past Public Company Board Experience: Quest Diagnostics Incorporated, a diagnostic information services company

Dr Torley brings over 30 years of drug development, drug commercialization and general management expertise in pharmaceutical and biotechnology to the Board of Directors. She has served as Chief Executive Officer (“CEO”) of Halozyme since 2014, successfully leading the company through a critical strategic transition in 2019. Dr Torley previously served as Chief Commercial Officer at Onyx Pharmaceuticals from 2011-2013, leading the successful US launch for Kyprolis ® (Carfilzomib), until the acquisition of Onyx by Amgen in 2013. From 2002-2011 Dr Torley held several senior commercial positions at Amgen including Vice President and General Manager US Bone Health and Vice President and General Manager US Nephrology. In these positions she led the successful launches of Prolia® (denosumab) and Sensipar® (cinacalcet) and significantly grew Epogen® (Epoetin alfa) and Aranesp® (darbepoetin alfa) revenue. From 1997-2002 she held a range of senior sales and marketing leadership positions at Bristol Myers Squib. She began her industry career at Sandoz, which merged with Ciba-Geigy to become Novartis in 1996, where she held a range of positions of increasing responsibility in Clinical Development, culminating in the position of Vice President of Medical Affairs, responsible for overseeing the design and conduct of a broad portfolio of clinical studies across nephrology, rheumatology, oncology and CNS indications. She received her M.B.Ch.B. degree (US equivalent to MD) from the University of Glasgow, Scotland and her M.R.C.P from the Royal College of Physicians, Glasgow, Scotland.

Key Skills and Experience:

Medicine and Science

Dr. Torley is a trained physician who while in clinical practice specialized in Internal Medicine and Rheumatology. She served in leadership positions at Sandoz/Novartis from1990 to 1997, most recently as Vice President, Medical Affairs where she oversaw the design and conduct of Phase 1 through 4 clinical studies across multiple disease areas. While at Sandoz/Novartis she led clinical development programs for new products being evaluated in organ transplantation and rheumatoid arthritis and wrote and submitted New Drug Application filings. She has led and played key strategic positions in multiple successful FDA Advisory Committee meetings including for Neoral® (cyclosporin) in Rheumatoid Arthritis, Neoral (cyclosporin) in Organ Transplantation, Epogen® (Epoetin alfa) in anemia in chronic renal failure and HyQvia (immune Globulin infusion 10% with Recombinant Human Hyaluronidase) in Primary Immune Deficiency.

Pharma Business Leadership and Operations

Dr. Torley gained deep experience in a broad range of business and operational topics in her commercial positions. In particular, as General Manager of Bone Health and Nephrology at Amgen and as Chief Commercial Officer at Onyx, she was responsible for hiring and leading sales and marketing organizations, including hiring and training a more than 650-person team for a new drug launch, working on policy topics related to her products and leading three successful new product launches.

Human Capital Management

Dr. Torley has substantial experience leading large organizations, ranging from 120 to approximately 700 people. Her human capital management experiences include hiring and successfully onboarding large new sales teams into an established culture and effective reorganizations as dictated by changes in strategy. She has a strong focus on and understanding of the important role organizational culture, diverse teams, talent development and accountability play in driving results and success.

Finance and Capital Markets

As CEO of Halozyme, Dr. Torley has gained experience in Finance and Capital Markets including direct experience with raising over $1.5 billion through follow-on offerings and through three convertible debt offerings, and executing two share repurchase programs resulting in approximately $1.3 billion in capital returned to stockholders to date.

Risk Management

In her position as CEO of Halozyme, Dr. Torley plays a key role in risk identification and mitigation. In addition, in her previous positions with other organizations as Chief Commercial Officer and General Manager in which she was accountable for commercial launches, a key accountability was risk identification and mitigation. This wide range of experiences enable a broad perspective on identifying potential risks and executing appropriate mitigations strategies.

Board Service Selection Criteria: As further described in her biography, the Nominating and Corporate Governance Committee believes Dr. Torley has the relevant background in the following areas which the committee believes are important to service on the Company’s Board of Directors: (i) medicine and science, (ii) pharma business leadership and operations, (iii) human capital management, (iv) finance and capital markets and (v) risk management. Dr. Torley’s extensive commercial and operational experience, including successful launches of products, and her deep knowledge of the biotechnology industry and the competitive environment, her service as our Chief Executive Officer, combined with her business acumen and judgment,

provide our Board with valuable commercial and operational expertise and leadership skills, leading the Nominating and Corporate Governance Committee to determine that Dr. Torley should serve as one of our directors.

Directors Continuing in Office Until the 2026 Annual Meeting

Bernadette Connaughton (age 65)

Director Since: 2018

Board Committees: Compensation Committee (Chair)

Key Skills: Pharma Business Leadership and Operations, International Business, Human Capital Management

Other Current Public Company Boards:

Editas Medicine, Inc., a clinical stage biotechnology company

Zealand Pharma A/S, a biotechnology company

Recent Past Public Company Board Experience: Syneos Health Inc., a biopharmaceutical services company

Ms. Connaughton brings more than 30 years of global strategic, commercial and biopharmaceutical industry expertise to the Board of Directors. From 2004 to October, 2017, she served in senior management position at Bristol-Myers Squibb Pharmaceutical Company, most recently served as president, China, Latin America, Central and Eastern Europe and Middle East. In this position, she developed the multi-year strategy for the successful commercialization of a number of oncology, virology and immunology products, including Opdivo®, Yervoy®, Sprycel®, Daklinza® and Orencia®. Prior to serving in that role, Ms. Connaughton served as Bristol-Myers Squibb’s president, European Markets, Canada and Australia; president, Intercontinental; and president, Japan, Pacific Rim, Australia and Canada; senior vice president, Cardiovascular and Metabolic Business Unit, U.S.; and senior vice president, Primary Care Marketing, U.S. Ms. Connaughton also served on the European Federation of Pharmaceutical Industry Association, Patient Access and European Markets Committees from 2014 to 2016. She received her Bachelor of Arts from Johns Hopkins University and her Master of Business Administration from The Wharton School, University of Pennsylvania.

Key Skills and Experience:

Pharma Business Leadership and Operations

Ms. Connaughton’s extensive experience in business and operations was developed during her 30-year career at Bristol-Myers Squibb where she built a consistent track record of achieving sales growth, improving profitability and transforming operational models in U.S. and international markets. She built expertise and demonstrated success across a wide range of therapeutic areas, including cardiovascular, metabolic diseases, virology and oncology.

International Business

Through her positions leading large global business regions for Bristol Myers Squibb, Ms. Connaughton brings deep experience in international markets. Specific achievements include developing and leading execution of the multi-year strategy for the successful commercialization of Opdivo®, Yervoy®, Sprycel®, Daklinza® and Orencia®. She most recently served as President Intercontinental Region, which included China, Latin America, Central and Eastern Europe and Middle East. Other positions included President, European Markets, Canada and Australia; President, Intercontinental Region; and President, Japan, Pacific Rim, Australia and Canada.

Human Capital Management

In each of her senior management positions, Ms. Connaughton led diverse, cross-functional teams, building the capabilities to successfully develop and commercialize pharmaceutical products. She has broad experience selecting and developing talent and building high performance teams with the skills, motivation and culture to achieve sustainable results.

Board Service Selection Criteria: As further described in Ms. Connaughton’s biography, the Nominating and Corporate Governance Committee believes Ms. Connaughton has the relevant background in the following areas which the committee believes are important to service on the Company’s Board of Directors: (i) pharma business leadership and operations, (ii) international business and (iii) human capital management. Ms. Connaughton’s extensive operations and commercialization experience in the pharmaceutical industry including the development of successful commercialization strategies for a number of oncology products and her consistent track record of achieving sales growth provides valuable experience and perspective to our Board, leading the Nominating and Corporate Governance Committee to determine that Ms. Connaughton should serve as one of our directors.

Moni Miyashita (age 68)

Director Since: 2022

Board Committees: Nominating and Corporate Governance Committee

Key Skills: Complementary Business/Industry Segment Expertise, International Business, M&A, Risk Management

Ms. Miyashita brings over 25 years of global experience leading business transformations and building new businesses through strategy, new business models, and mergers & acquisitions. Since May 2019, she has served as the Chief Strategy Officer of Valo Health, LLC, a technology company built to transform the drug discovery and development process using human-centric data and artificial intelligence computation. Prior to Valo Health, from August 2015 to May 2019, she was a Partner at Innosight Consulting, where she provided growth strategy consulting services for businesses in the biotech, healthcare and technology industries. From 2011 to 2015, she was a Senior Advisor at McKinsey where she advised senior executive leadership teams on executing strategic M&A. Prior to McKinsey, she served as Vice President, Corporate Development at IBM Corporation, an information technology company, from 1998 to 2011. She received her BS degree in marketing from the University of Colorado and her MBA from the University of Denver.

Key Skills and Experience:

Complementary Business/Industry Segment Expertise

In 2019, Ms. Miyashita joined Valo Health as Chief Strategy Officer where she develops and drives complex business models, building a disruptive technology platform, and applying it to drug discovery, clinical development, and strategic partnerships across a regulated pharmaceutical ecosystem. While serving as Partner at Innosight Consulting, she advised and supported CEOs and their executive leadership teams on disruptive growth strategies in the biotech and healthcare industries. While serving as Senior Advisor at McKinsey, Ms. Miyashita provided global advisory services on M&A to executive and senior leadership teams across the pharmaceutical, biotech, and healthcare industries.

International Business and M&A

During her tenure as Vice President at IBM, Ms. Miyashita was a key architect in developing and executing M&A globally, anchored on strategy, with successful deal flow, transaction execution and post-merger integration. This strategy and effort resulted in over 40 quarters of double-digit earnings per share growth and creating the highest revenue and market capitalization in IBM’s history. Prior to this position, Ms. Miyashita had executive positions in IBM Asia. While serving as Senior Advisor at McKinsey, Ms. Miyashita helped build McKinsey’s M&A practice and provided global advisory services to executive and senior leadership teams in the Americas, Europe, and Asia on transforming and growing their businesses through M&A.

Human Capital Management

Ms. Miyashita has extensive human capital management experience having led human capital integration efforts in over 100 acquisitions during her tenure as Vice President at IBM. In her prior roles at McKinsey and Innosight, she advised chief executive officers and executive leadership teams on human capital management matters as they transitioned their companies when executing transformational M&A transactions or when transforming their core business. In her current role at Valo Health, she influences the human capital management needed to build a novel platform to accelerate drug discovery and development.

Risk Management

During her tenure as Vice President at IBM, Ms. Miyashita was involved in over 100 acquisitions or transactions and multiple business carve outs for divestiture from IBM to other companies which included developing cross functional processes and approaches to manage risk. Under her leadership, cross functional teams prepared for and passed multiple business audits to ensure risk was identified, mitigated and managed for executing all acquisitions.

Board Service Selection Criteria: As further described in Ms. Miyashita’s biography, the Nominating and Corporate Governance Committee believes Ms. Miyashita has the relevant background in the following areas which the committee believes are important to service on the Company’s Board of Directors: (i) complementary business and industry experience, (ii) international business, (iii) human capital management, (iv) M&A and (v) risk management. Ms. Miyashita’s extensive experience in developing and executing complex corporate transactions and her experience providing strategy execution advice to senior leadership teams provide our Board with valuable strategic and operational expertise, leading the Nominating and Corporate Governance Committee to determine that Ms. Miyashita should serve as one of our directors.

Matthew L. Posard (age 56)

Director Since: 2013

Board Committees: Nominating and Corporate Governance Committee (Chair)

Key Skills: Medicine and Science, Complementary Business/Industry Segment Expertise, International Business, Human Capital Management, M&A

Other Current Public Company Boards:

DermTech, Inc. (Chairman), a precision dermatology company

Nautilus Biotechnology, Inc., (Chairman) a development stage life sciences company

Talis Biomedical, a developer of diagnostic tests for infectious diseases

Mr. Posard brings over 30 years of general management and commercialization experience in the biotechnology and diagnostics industry to the Board of Directors. He is Founding Principal of Explore DNA, a life sciences executive consulting firm, a position he has held since March 2016. Since 2017, he has provided advisory services to CEOs for several emerging life sciences companies. From February 2017 to April 2018, Mr. Posard served as President and Chief Commercial Officer of GenePeeks, Inc., a genetic research company. From March 2015 to April 2016, he served as Chief Commercial Officer of Trovagene, Inc., a molecular diagnostic biotechnology company. From February 2006 to February 2015, he held various commercial and general management positions at Illumina, Inc., a genomics company focusing on DNA sequencing, including senior executive positions overseeing Global Sales, Marketing, and General Manager of Clinical and Consumer Genomics as well as New and Emerging Markets. Mr. Posard holds a BA degree in Management Science from the University of San Diego.

Key Skills and Experience:

Medicine and Science

Mr. Posard has deep expertise introducing novel and transformative products to medical and research markets while scaling organizations efficiently. He is a Founding Principal of Explore DNA and provides advisory services to executive officers of several emerging life sciences companies.

Complementary Business/Industry Segment Expertise

Mr. Posard adds to his biotech expertise with deep knowledge in the diagnostics area, having served in senior positions at Illumina, Biosite, Inc. and Gen-Probe, Inc. At Illumina he was part of the executive management team that led the company to its first $1 billion in revenue. At Biosite he was instrumental in the successful introduction of the company’s BNP congestive heart failure biomarker and its BNP co-marketing collaboration with Beckman Coulter. At Gen-Probe, Mr. Posard helped the company attain leading market positions in DNA probe-based infectious disease diagnostics and blood banking.

International Business

Mr. Posard has extensive international business experience, having served as the Vice President of Global Sales for Illumina where he led an international commercial sales team. He also served as Senior Vice President and General Manager of Illumina’s Translational and Consumer Genomics and New and Emerging Markets business units and was responsible for over $100 million of sales growth in his first year in this position. This experience provided substantial exposure to commercial markets around the world.

Human Capital Management

In his senior commercial marketing positions with various companies, Mr. Posard has managed and led a number of large and diverse marketing teams. A seasoned executive in the genomics and life science space, Mr. Posard has extensive background in effectively scaling organizations.

M&A

Mr. Posard has served on the board of directors and in senior leadership positions at a variety of startup and emerging companies and has extensive experience in the area of mergers and acquisitions in the biotech and diagnostics space. In his position as advisor to senior executives of life science companies, he has provided guidance and effective consultation in the execution of strategic acquisitions.

Board Service Selection Criteria: As further described in his biography, the Nominating and Corporate Governance Committee believes Mr. Posard has the relevant background in the following areas which the committee believes are important to service on the Company’s Board of Directors: (i) medicine and science, (ii) complementary business and industry segment expertise,

(iii) international business, (iv) human capital management and (v) M&A. Mr. Posard’s general management, sales and marketing experience including the successful launch of products and management of sales operations provides valuable experience and perspective to our Board, leading the Nominating and Corporate Governance Committee to determine that Mr. Posard should serve as one of our directors.

CORPORATE GOVERNANCE

Director Independence

The Board of Directors (or “Board”) has determined that, other than Dr. Torley, each of Jeffrey W. Henderson, Bernadette Connaughton, Barbara Duncan, Mahesh Krishnan, M.D., Connie L. Matsui, Moni Miyashita, and Matthew L. Posard is an independent director within the meaning set forth under applicable rules of the NASDAQ Stock Market. Dr. Torley does not meet the requirements for director independence because she serves as the President and Chief Executive Officer of Halozyme.

Board Leadership

The Board has separated the Chief Executive Officer and Board Chair positions to: (i) provide a stronger corporate governance structure; (ii) improve overall Board effectiveness; and (iii) enhance communication between management and the Board. Mr. Henderson began serving as the non-employee Chair of the Board of Directors in May 2022.

Board Tenure

Executive Sessions

Our independent directors generally meet in executive session without management present each time the Board holds its regularly scheduled meetings. The Chair of the Board of Directors, acts as the presiding director for such executive sessions of independent directors.

Board Meetings and Committees

The Board of Directors held ten meetings during the fiscal year ended December 31, 2023. The Board of Directors has three standing committees: (i) Audit Committee; (ii) Compensation Committee; and (iii) Nominating and Corporate Governance Committee. During the last fiscal year, each director attended at least 75% of the total number of meetings of the Board for the period in which they served as a director and the committees of the Board on which such director served during that period. Our standing committees are currently comprised of the following directors:

Name

Audit Committee

Compensation
Committee

Nominating / Corporate
Governance Committee

Jean-Pierre Bizzari, M.D.

Bernadette Connaughton

Chair

Barbara Duncan

Jeffrey W. Henderson

Chair

Connie L. Matsui

Matthew L. Posard

Chair

Moni Miyashita

Helen I. Torley, M.D. Ch.B., M.R.C.P.

Audit Committee

The current members of the Audit Committee are Jeffrey W. Henderson (Chair), Barbara Duncan and Matthew L. Posard. All members of the Audit Committee satisfy the independence requirements set forth under the applicable rules of the NASDAQ Stock Market and Rule 10A-3 of the Exchange Act, and each of them is able to read and fundamentally understand financial statements. Mr. Henderson and Ms. Duncan are “audit committee financial experts,” as defined in the rules of the SEC. The Audit Committee operates under a written charter that is available on our website at: www.halozyme.com. The primary purpose of the Audit Committee is to oversee our accounting and financial reporting processes and the functions of the Audit Committee include retaining our independent registered public accounting firm, reviewing its independence, reviewing and approving the planned scope of its annual audit, reviewing and approving any fee arrangements with our independent registered public accounting firm, overseeing its audit work, reviewing and pre-approving any non-audit services that may be performed by the independent registered public accounting firm, reviewing the adequacy of our accounting and financial controls, reviewing our critical accounting policies and reviewing, approving any related party transactions, overseeing the Company’s cybersecurity strategy, reviewing the Company’s cybersecurity risks and receiving periodic updates from management regarding cybersecurity. The Audit Committee held five meetings during the fiscal year ended December 31, 2023.

Additional information regarding the Audit Committee is set forth in the Report of the Audit Committee contained in this Proxy Statement.

Compensation Committee

The current members of the Compensation Committee are Bernadette Connaughton (Chair), Barbara Duncan and Connie Matsui. All members of the Compensation Committee satisfy the independence requirements set forth under the applicable rules of the NASDAQ Stock Market, and qualify as non-employee directors as defined in Rule 16b-3 under the Securities Exchange Act. The Compensation Committee operates under a written charter that is available on our website at: www.halozyme.com. The primary purpose of the Compensation Committee is to discharge the Board’s responsibilities relating to compensation and benefits of our executive officers. More specifically, the Compensation Committee reviews and approves the salary and annual cash incentive earned by the Chief Executive Officer and other executive officers; approves equity awards to executive officers; approves employment and severance agreements of executive officers; and reviews the compensation of non-employee directors for service on the Board of Directors and its committees. The Compensation Committee held five meetings during the fiscal year ended December 31, 2023.

Nominating and Corporate Governance Committee

The current members of the Nominating and Corporate Governance Committee are Matthew L. Posard (Chair), Jean-Pierre Bizzari, M.D, and Moni Miyashita. All members of the Nominating and Corporate Governance Committee satisfy the independence requirements set forth under the applicable rules of the NASDAQ Stock Market. The Nominating and Corporate Governance Committee operates under a written charter that is available on our website at: www.halozyme.com. The primary responsibilities of the Nominating and Corporate Governance Committee are to (i) identify individuals qualified to become Board members; (ii) select, or recommend to the Board, director nominees for each election of directors; (iii) develop and recommend to the Board criteria for selecting qualified director candidates; (iv) consider committee member qualifications, appointment and removal; (v) recommend applicable corporate governance principles, codes of conduct and compliance mechanisms, and (vi) provide oversight in the evaluation of the Board and each committee. The Nominating and Corporate Governance Committee held four meetings during the fiscal year ended December 31, 2023.

With respect to Board membership, the Nominating and Corporate Governance Committee’s goal is to assemble a Board of Directors that brings a variety of perspectives and skills derived from high quality business and professional experience.

There are no stated minimum criteria for director nominees. The Nominating and Corporate Governance Committee also believes it is appropriate for at least one key member of management to participate as a member of the Board.

The Halozyme Board of Directors believes that our Board should have diversity of knowledge base, professional experience and skills, and actively seeks director candidates who bring diversity of age, gender, nationality, race, ethnicity and sexual orientation. When considering whether to recommend any candidate for inclusion in the Board’s slate of recommended director nominees, including candidates recommended by our stockholders, the Nominating and Corporate Governance Committee will review the candidate’s integrity, business acumen, age, experience, commitment, diligence, conflicts of interest, existing time commitments and the ability to act in the interests of all stockholders. Once a potential qualified candidate is identified, multiple members of the Nominating and Corporate Governance Committee will interview that candidate. The committee may also ask the candidate to meet with non-committee members of the Board and/or members of management and, if the committee believes a candidate would be a valuable addition to the Board, it will recommend that candidate to the full Board.

Pursuant to the terms of its charter and our Corporate Governance Guidelines, the Nominating and Corporate Governance Committee will consider qualified director candidates suggested by our stockholders. Stockholders may recommend individuals for the Nominating and Corporate Governance Committee to consider as potential director candidates by submitting the candidate’s name, contact information and biographical information in writing to the “Halozyme Nominating and Corporate Governance Committee” c/o Corporate Secretary, 12390 El Camino Real, San Diego, California 92130. The biographical information and background materials of any such candidate will be forwarded to the Nominating and Corporate Governance Committee for its review and consideration. The committee’s review process for candidates identified by our stockholders is essentially identical to the review process for candidates identified by the committee. In addition to the process discussed above regarding the consideration of the Nominating and Corporate Governance Committee of candidates suggested by our stockholders, our Bylaws contain provisions that address the process by which a stockholder may nominate an individual to stand for election to our Board at our Annual Meeting of Stockholders.

Risk Management

Our corporate Enterprise Risk Management program is reviewed quarterly by the CEO and Halozyme Leadership Team, and annually by the Halozyme Board of Directors. Our Board is responsible for reviewing and assessing business enterprise risk and other major risks facing the Company, and evaluating management’s approach to addressing such risks. In connection with these reviews, our Board members rely on information from external sources as well as on their individual experiences identifying and managing business enterprise risk for other entities both within and outside of our industry. In addition, the committees of our Board consider and address risk as they perform their respective committee responsibilities. For example, financial risks and cyber security risks are overseen by our Audit Committee and our Compensation Committee periodically reviews our compensation programs to ensure they do not encourage excessive risk-taking. All committees report to the full Board as appropriate, including when a matter rises to the level of a material or enterprise risk.

Our senior management team is responsible for day-to-day risk management and regularly reports on risks to our full Board or a relevant committee. Our legal, finance and regulatory areas serve as the primary monitoring and evaluation function for company-wide policies and procedures, and manage the day-to-day oversight of the risk management strategy for our business. This oversight includes identifying, evaluating, and addressing potential risks that may exist at the enterprise, strategic, financial, operational, compliance and reporting levels.

We believe the division of risk management responsibilities described above is an effective approach for identifying and addressing the risks facing our Company, and that the leadership structure of our Board is effective in implementing this approach.

ESG and Corporate Responsibility

Halozyme continues to build a sustainable, environmentally conscious business while fulfilling our mission of bringing disruptive solutions that can significantly improve patient experiences and outcomes for emerging and established therapies. We are driven by our mission and dedicated to our sustainability efforts across our entire ecosystem internally and externally.

Please see the discussion under the heading “Human Capital Management” in the Business section of our Annual Report on Form 10-K (which accompanies this Proxy Statement) for additional information on our human capital priorities and programs. We also recognize that certain stakeholders (such as customers, employees and non-governmental organizations) as well as some stockholders may be interested in more detailed information about our ESG programs and sustainability efforts. We encourage you to review the information available on our website at www.halozyme.com under the section titled “Responsibility” where our 2023 Environmental, Social & Governance Report can be accessed. Information on our website is not part of this Proxy Statement.

Cybersecurity

Our corporate Enterprise Risk Management program, which includes information technology and cybersecurity risk, is reviewed quarterly by the CEO and Halozyme Leadership Team, and annually by the Halozyme Board of Directors. Additionally, Halozyme’s CEO is briefed quarterly and the Audit Committee is briefed annually or as determined by CIO and CEO, on our cybersecurity program. Our cybersecurity strategy is based on four fundamental areas: policy, procedure, people and technology. Halozyme maintains policies and procedures that describe our employees’ responsibilities for accessing computerized systems, handling data and information, and reporting cybersecurity events in a timely manner. The Board of Directors receives educational updates from outside experts on key emergent topics. All employees and contractors are required to complete formal training on these policies. Halozyme has a well-defined and proven Business Continuity Plan (BCP). The IT Disaster Recovery Plan and the IT Incident Response Plan, which are standalone components of Halozyme’s BCP, provide the framework and guidance to manage risk. Please see the discussion under the heading “Cybersecurity” in the Business section of our Annual Report on Form 10-K (which accompanies this Proxy Statement) for additional information on our cybersecurity risk management, strategy and governance.

Communications with Directors

Stockholders may communicate with any and all directors by transmitting correspondence by mail addressed as follows: “Halozyme Board of Directors” c/o Corporate Secretary, 12390 El Camino Real, San Diego, California 92130. The Corporate Secretary will transmit as soon as practicable such communications to the identified director addressee(s), unless there are safety or security concerns that mitigate against further transmission of the communication as determined by the Corporate Secretary.

Director Attendance at Annual Meetings

Our Corporate Governance Guidelines state that all directors shall make every effort to attend the Company’s Annual Meeting of Stockholders. All nine of our then-serving directors attended our Annual Meeting of Stockholders in 2023.

Code of Conduct and Ethics and Corporate Governance Guidelines

The Board has adopted a Code of Conduct and Ethics that applies to all of our employees, officers and directors. The Board has also adopted Corporate Governance Guidelines. Copies of these documents are available on our website at: www.halozyme.com. Amendments to or waivers of our Code of Conduct and Ethics granted to any of our directors or executive officers will be published promptly within four business days on our website, www.halozyme.com. Please note that the information on our website is not incorporated by reference in this Proxy Statement.

Compensation Committee Interlocks and Insider Participation

None of the directors who served on the Compensation Committee during 2023 has ever been an officer or employee of ours or had a relationship in 2023 requiring disclosure under applicable SEC regulations. None of our executive officers currently serves, or served during 2023, on the compensation committee or board of directors of any other entity that has an executive officer serving as a member of our Board of Directors or Compensation Committee.

PROPOSAL NO. 2

ADVISORY (NON-BINDING) VOTE

ON EXECUTIVE COMPENSATION (SAY-ON-PAY)

Background

The advisory vote on executive compensation is a non-binding vote on the compensation of our Named Executive Officers, as described in the Compensation Discussion and Analysis (“CD&A”) section, the tabular disclosure regarding such compensation, and the accompanying narrative disclosure, set forth in this Proxy Statement. Please read the Executive Compensation and Related Information section of this Proxy Statement for a detailed discussion about our executive compensation programs, including information about the fiscal year 2023 compensation of our Named Executive Officers.

The advisory vote on executive compensation is not a vote on our general compensation policies, the compensation of our Board of Directors, or our compensation policies as they relate to risk management. The Dodd-Frank Wall Street Reform and Consumer Protection Act requires that we hold the advisory vote on executive compensation at least once every three years. Upon the recommendation of our stockholders at our 2023 Annual Meeting of Stockholders, our Board of Directors determined that we will hold the advisory vote on executive compensation annually until the next required non-binding stockholder advisory vote on the frequency of future non-binding stockholder advisory votes on the compensation of our Named Executive Officers which will occur no later than our 2030 Annual Meeting of Stockholders. Accordingly, as required by Section 14A of the Securities Exchange Act of 1934, as amended, we are asking our stockholders to cast an advisory vote to approve the executive compensation as described in this Proxy Statement.

We have many compensation practices that ensure consistent leadership, decision-making and actions without taking inappropriate or unnecessary risks. These compensation practices are discussed in detail in the Compensation Discussion and Analysis section of this Proxy Statement and have the following objectives:

•Properly align the interests of our stockholders with those of our executive leadership team;

•Reward actions and achievements that are consistent with the short- and long-term goals of Halozyme’s business strategy; and

•Remain competitive to attract, retain and motivate employees with relevant experience and skills needed to achieve our business goals.

The vote solicited by this Proposal No. 2 is advisory, and therefore is not binding on the Company, our Board of Directors or our Compensation Committee, nor will its outcome require the Company, our Board of Directors or our Compensation Committee to take any action. Moreover, the outcome of the vote will not be construed as overruling any decision by the Company, the Board of Directors or the Compensation Committee.

Furthermore, because this non-binding, advisory resolution primarily relates to the compensation of our Named Executive Officers that has already been paid or contractually committed, there is generally no opportunity for us to revisit these past decisions. However, our Board of Directors, including our Compensation Committee, values the opinions of our stockholders and, to the extent there is any significant vote against the Named Executive Officer compensation as disclosed in this Proxy Statement, we will consider our stockholders’ concerns and evaluate what actions, if any, may be appropriate to address those concerns.

Stockholders will be asked at the Annual Meeting to approve the following resolution pursuant to this Proposal No. 2:

RESOLVED, that the stockholders of Halozyme Therapeutics, Inc. approve, on an advisory basis, the compensation of the Company’s Named Executive Officers, disclosed pursuant to Item 402 of Regulation S-K in the Company’s Definitive Proxy Statement for the 2024 Annual Meeting of Stockholders.

Vote Required

Approval of this resolution requires the affirmative vote of a majority in voting power of the shares present in person or represented by proxy at the meeting and entitled to vote on the matter. Abstentions will be treated as votes “against” the proposal. Broker non-votes will have no effect on the outcome of the vote.

Recommendation

The Board of Directors believes that the compensation of our Named Executive Officers, as described in the Compensation Discussion and Analysis and the tabular disclosures and accompanying narrative disclosures under the heading “Executive Compensation and Related Information” is appropriate for the reasons stated above. Therefore, the Board of Directors unanimously recommends a vote “FOR” approval of the compensation for our Named Executive Officers.

PROPOSAL NO. 3

AMENDMENT OF AMENDED AND RESTATED CERTIFICATE OF INCORPORATION TO REFLECT DELAWARE LAW PROVISIONS REGARDING EXCULPATION OF OFFICERS

Background

Article VII of our Amended and Restated Certificate of Incorporation (Certificate) currently provides for the Company to limit the monetary liability of directors in certain circumstances pursuant to and consistent with the Delaware General Corporation Law (“DGCL”). The State of Delaware recently amended Section 102(b)(7) of the DGCL to allow Delaware corporations to extend similar protections to officers. Previously, exculpation was only available for directors. Specifically, the amendments to the DGCL allow Delaware corporations to exculpate their officers for personal liability for breaches of the duty of care in certain circumstances. For both directors and officers, the liability limitation does not apply to breaches of the duty of loyalty, acts or omissions not in good faith or acts or omissions that involve intentional misconduct or a knowing violation of law, or any transaction in which the director or officer derived an improper personal benefit. In addition, for officers, amended Section 102(b)(7) only permits exculpation for direct claims brought by stockholders, as opposed to claims brought by or on behalf of the Company (e.g., derivative claims).

Adopting an officer exculpation provision that aligns with the protections afforded under the DGCL could prevent protracted or otherwise meritless litigation that distracts from our primary objective of creating stockholder value over the long term. The nature of the role of directors and officers often requires them to make decisions on crucial matters. Frequently, directors and officers must make decisions in response to time-sensitive opportunities and challenges, which can create substantial risk of investigations, claims, actions, suits or proceedings seeking to impose liability on the basis of hindsight, especially in the current litigious environment and regardless of merit. The Board believes that limiting concern about personal liability will empower officers to best exercise their business judgment in furtherance of stockholder interests without the distraction of potentially being subject to claims following actions taken in good faith.

In addition, the Board believes it is important to provide protection to officers to the extent permitted by the DGCL to attract and retain key executive talent. This protection has long been afforded to directors, and Delaware law now permits expansion to certain officers. Several other public companies have updated their governing documents to align with amended Section 102(b)(7) of the DGCL, and we expect this practice to continue. Therefore, our ability to attract and retain highly qualified officer candidates may be adversely impacted if we do not implement the expanded protections now offered under Delaware law. For these reasons, the Board unanimously approved the amendment to our Certificate described in this proposal, subject to approval by stockholders.

Text of Proposed Certificate of Incorporation Amendment

Our Certificate currently provides for the exculpation of directors and does not include a provision allowing for the exculpation of officers. If approved by our stockholders, Article SEVENTH of our Certificate would be amended and restated so that it would state in its entirety as follows:

“SEVENTH: A director or officer of the Corporation shall not be personally liable to the Corporation or its stockholders for monetary damages for breach of fiduciary duty as a director or officer, except for liability (i) for any breach of the director’s or officer’s duty of loyalty to the Corporation or its stockholders, (ii) for acts or omissions not in good faith or which involved intentional misconduct or a knowing violation of law, (iii) with respect to directors, under Section 174 of the Delaware General Corporation Law as the same exists or hereafter may be amended, or (iv) for any transaction from which the director or officer derived an improper personal benefit, or (v) with respect to officers, in any action by or in the right of the Corporation. For purposes of this Article SEVENTH, “officer” shall have the meaning provided in Section 102(b)(7) of the Delaware General Corporation Law as the same exists or hereafter may be amended.

If the Delaware General Corporation Law is hereafter amended to authorize the further elimination or limitation of the liability of a director or officer, then, in addition to the limitation on personal liability provided herein, the liability of a director or officer of the Corporation shall be eliminated or limited to the fullest extent permitted by the Delaware General Corporation Law, as so amended.

Any repeal or modification of the foregoing provisions of this Article SEVENTH by the stockholders of the Corporation shall be prospective only and shall not adversely affect any limitation on personal liability or any other right or protection of a director or officer of the Corporation existing at the time of such repeal or modification.”

Timing and Effect of the Proposed Certificate of Incorporation Amendment

If the proposed amendment to our Certificate is approved by our stockholders, it will become effective immediately upon the filing of an Amended and Restated Certificate of Incorporation (the “Amended and Restated Certificate”) with the Secretary of State of the State of Delaware, which we expect to file promptly after the Annual Meeting. Other than replacement of the existing Article SEVENTH by the proposed Article SEVENTH, the remaining provision of our Certificate will be unchanged after effectiveness of the Amended and Restated Certificate. If the proposed Article SEVENTH is not approved by our stockholders, our Certificate will remain unchanged.

Vote Required

Approval of this amendment requires the affirmative vote of a majority of the outstanding common stock as of the record date for the Annual Meeting. Abstentions and broker non-votes will be treated as votes “against” the proposal. Beneficial owners of shares are urged to give their broker, bank, or other nominee instructions to vote their shares.

Recommendation

For the reasons stated above, the Board has determined that the proposed amendment to the Certificate is advisable and in the best interests of our stockholders. Therefore, the Board of Directors unanimously recommends a vote “FOR” approval of the proposed amendment to our Amended and Restated Certificate of Incorporation.

PROPOSAL NO. 4

RATIFICATION OF SELECTION OF

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Audit Committee of the Board of Directors of Halozyme has selected Ernst & Young LLP as the independent registered public accounting firm to audit the consolidated financial statements of Halozyme for the fiscal year ending December 31, 2024. Ernst & Young LLP has acted in such capacity since its appointment on June 28, 2006. A representative of Ernst & Young LLP is expected to be present at the Annual Meeting of Stockholders, with the opportunity to make a statement if the representative desires to do so, and is expected to be available to respond to appropriate questions.

Stockholder ratification of the selection of Ernst & Young LLP as our independent registered public accounting firm is not required by our Bylaws or otherwise. However, the Board of Directors is submitting the selection of Ernst & Young LLP to the stockholders for ratification as a matter of good corporate practice. If the stockholders fail to ratify the selection, the Audit Committee will reconsider whether or not to retain that firm. Even if the selection is ratified, the Audit Committee in its discretion may appoint a different independent registered public accounting firm at any time during the year if it determines that such a change would be in the best interests of the Company and its stockholders.

Vote Required

The affirmative vote of a majority in voting power of the shares present in person or represented by proxy at the meeting and entitled to vote on the matter shall ratify the selection of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2024. Abstentions will be treated as votes “against” the proposal. Broker non-votes will have no effect on the outcome of the vote.

Board of Directors Recommendation

The Board of Directors unanimously recommends a vote “FOR” the ratification of the selection of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2024.

PRINCIPAL ACCOUNTING FEES AND SERVICES

The following table sets forth the aggregate fees billed to Halozyme for the fiscal years ended December 31, 2023 and 2022 by Ernst & Young LLP:


	Fiscal 2023		Fiscal 2022
Audit Fees (1)	$	1,558,350	$	1,784,377
Audit Related Fees	—		—
Tax Fees	—		—
All Other Fees (2)	—		3,600
Total	$	1,558,350	$	1,787,977

________________

(1)Audit Fees consist of fees billed for professional services rendered for the audit of the Company’s consolidated annual financial statements, including the audit of internal control over financial reporting and review of the interim consolidated financial statements included in quarterly reports and services that are normally provided by our independent registered public accounting firm in connection with statutory and regulatory filings or engagements.

(2)All Other Fees consist of fees for products and services other than the services reported above.

The Audit Committee’s policy is to pre-approve all audit and permissible non-audit services provided by our independent registered public accounting firm. These services may include audit services, audit-related services, tax services and other services. Pre-approval is generally provided for up to one year and any pre-approval is detailed as to the particular service or category of services. The independent registered public accounting firm and management are required to periodically report to the Audit Committee regarding the extent of services provided by the independent registered public accounting firm in accordance with this pre-approval policy. The Chair of the Audit Committee is also authorized, pursuant to delegated authority, to pre-approve additional services on a case-by-case basis, provided that such approvals are communicated to the full Audit Committee at its next meeting. All of the services of Ernst & Young LLP for 2023 and 2022 described above were pre-approved by the Audit Committee.

REPORT OF THE AUDIT COMMITTEE

The Audit Committee oversees the Company’s financial reporting process on behalf of the Board of Directors and is comprised solely of independent directors as defined by the Nasdaq listing standards and Rule 10A-3 of the Securities Exchange Act of 1934. The Audit Committee is governed by a charter which describes in greater detail the full responsibilities of the Audit Committee. The Company’s management has the primary responsibility for the consolidated financial statements, for maintaining effective internal control over financial reporting, and for assessing the effectiveness of internal control over financial reporting. In fulfilling its oversight responsibilities, the Audit Committee reviews the consolidated financial statements, internal control over financial reporting, audit matters and reports from management. In connection with these reviews, the Audit Committee meets with management and the independent registered public accounting firm (Ernst & Young LLP) at least once each quarter. These meetings include, whenever appropriate, executive sessions in which the Audit Committee meets separately with the independent registered public accounting firm, internal auditors, management personnel and legal counsel. The meetings of the Audit Committee are designed to facilitate and encourage communication among the Audit Committee, the Company, the Company’s internal audit function and the independent registered public accounting firm. The Audit Committee is directly and solely responsible for the appointment, compensation, retention, and oversight of the independent registered public accounting firm. The Audit Committee regularly considers the independence, qualifications, audit and non-audit fees and services, and performance of the independent registered public accounting firm.

The Audit Committee has reviewed and discussed with the independent registered public accounting firm, which is responsible for expressing an opinion on the conformity of the audited consolidated financial statements with U.S. generally accepted accounting principles, its judgments as to the quality, not just the acceptability, of the Company’s accounting principles and such other matters as are required to be discussed by the applicable requirements of the Public Company Accounting Oversight Board (PCAOB) and the Securities and Exchange Commission, and other applicable regulations. In addition, the Audit Committee reviewed and discussed with Ernst & Young LLP matters related to its independence, including a review of non-audit services and the written disclosures and the letter from Ernst & Young LLP to the Audit Committee required by the PCAOB regarding its communications with the Audit Committee concerning Ernst & Young LLP’s independence. The Audit Committee concluded that Ernst & Young LLP is independent from the Company and its management.

The Audit Committee discussed with the Company’s independent registered public accounting firm the overall scope and plans for their respective audits. The Audit Committee has met the independent registered public accounting firm, with and without management present, to discuss the results of their examinations; their evaluations of the Company’s internal control, including internal control over financial reporting; the critical audit matters addressed during the audit and the overall quality of the Company’s financial reporting.

The Committee also reviewed and discussed with management and the independent registered public accounting firm the Company’s audited consolidated financial statements and related schedule, the results of management’s assessment of the effectiveness of the Company’s internal control over financial reporting and the independent registered public accounting firm’s audit of internal control over financial reporting for the year ended December 31, 2023.

In reliance on the reviews and discussions referred to above, the Audit Committee recommended to the Board of Directors, and the Board of Directors has approved, that the audited consolidated financial statements and management’s assessment of the effectiveness of the Company’s internal control over financial reporting be included in the Annual Report on Form 10-K for the year ended December 31, 2023 filed by the Company with the Securities and Exchange Commission.

AUDIT COMMITTEE

Jeffrey W. Henderson (Chair)

Matthew L. Posard

Barbara Duncan

EXECUTIVE COMPENSATION AND RELATED INFORMATION

COMPENSATION DISCUSSION AND ANALYSIS

Executive Summary

The Compensation Committee oversees the compensation program for the Company’s executive officers. In this role, the Compensation Committee reviews and approves all compensation decisions relating to our executive officers listed in the table below (referred to in this proxy statement as our “Named Executive Officers” or “NEOs”).

Our NEOs for 2023 are:


Name						Principal Position
Helen I. Torley						President and Chief Executive Officer
Nicole LaBrosse						Senior Vice President, Chief Financial Officer
Mark Snyder						Senior Vice President, Chief Legal Officer
Michael J. LaBarre						Senior Vice President, Chief Technical Officer

Executive Compensation Highlights

Our executive compensation program ties a substantial portion of each executive’s overall compensation to the achievement of key strategic, financial and operational goals and aligns the interests of executive officers with stockholders by annually awarding long-term equity-based incentives, in the form of time-vesting restricted stock units (“RSUs”), performance-vesting stock units (“PSUs”) and stock options. Consistent with this approach, the compensation of our NEOs for 2023 featured:

•revenue and Adjusted EBITDA1 growth performance goals were established for the threshold, base and maximum targets under our 2023 annual cash incentive program. Actual revenue attainment was $829.3 million, a 26% increase over prior year which was 97.5% to target and Adjusted EBITDA was $426.2 million a 19% increase over prior year, which was 87.2% to target. Actual cash payouts under the 2023 annual cash incentive program ranged from 106.7% to 128% of target, with the cash payouts driven by a corporate performance factor under the program of 106.7%.

•a compensation package more heavily weighted toward long-term equity-based incentive compensation than salary and shorter-term annual cash incentives in order to emphasize the focus on our long-term performance and stockholder value,

•long-term equity-based incentives that were heavily weighted toward performance – in addition to the value of all awards being dependent on our stock price, the awards granted in 2023 included PSUs which are subject to performance-based vesting conditions and stock options which have value only if our stock price increases after the date of grant of the awards,

•stock ownership and stock retention guidelines, encouraging executives to maintain a meaningful ownership position in the Company, focus on our long-term performance and discourage unreasonable risk-taking,

•a recoupment (or “claw back”) policy covering certain compensation elements in the event of an accounting restatement due to material noncompliance with any financial reporting requirements,

•a practice of not including tax gross-ups in ongoing compensation arrangements,

•no “single trigger” provisions in executive and employee change-in-control agreements and arrangements (i.e., payout or vesting is not triggered automatically upon a change-in-control), and

•no material perquisites.

Stockholder Engagement

The Board and the Compensation Committee value the input of our stockholders regarding the Company’s governance practices and the design and effectiveness of our executive compensation program. Halozyme conducts regular outreach to our stockholders to build relationships and solicit feedback on these topics.

In addition, our stockholders are provided with an opportunity to cast an advisory vote on our executive compensation program every year through the “say-on-pay” proposal. At our 2023 annual meeting of stockholders, our stockholders approved, on a non-binding, advisory basis, the compensation paid to our NEOs described in our 2023 proxy statement. Approximately 95.9% of the votes cast on the matter were voted in favor of this “say-on-pay” proposal. The Compensation Committee considered the voting results and

1 We use “EBITDA” to refer to the Company’s earnings excluding interest, taxes, depreciation and amortization, and “Adjusted EBITDA” means the Company’s EBITDA excluding one time items such as changes in contingent liabilities and impairment charges, and transaction costs for business combinations.

high level of stockholder support when establishing our executive compensation programs for fiscal 2024 and, given the high level of stockholder support on our last “say-on-pay” proposal, established executive compensation programs for fiscal 2024 that are similar to those that were in place for fiscal 2023.

When making future compensation decisions for our executive officers, the Compensation Committee will continue to consider the opinions that stockholders express through our stockholder engagement program and through our annual “say-on-pay” advisory votes.

2023 Business Highlights

Halozyme’s strong financial and operating performance in 2023 was supported by internal corporate developments and significant growth and advancements with our ENHANZE® collaboration partners. The key developments and achievements in 2023 include:

•Reported record total revenues of $829.3 million, which increased 26% from $660.1 million in 2022.

•Increased revenues from royalties 24% year-over-year to $447.9 million driven primarily by continued strong sales from partnered products utilizing our ENHANZE® technology including the subcutaneous formulations of DARZALEX® (daratumumab) and Roche’s Phesgo® (pertuzumab/trastuzumab/hyaluronidase-zzxf).

•Continued our commitment to returning value to shareholders and repurchased 4.2 million shares of common stock for $150 million at an average price per share of $36.01 and announced an acceleration of the remaining $250 million under the current approved $750 million share repurchase plan authorized in 2021. The Company executed the $250 million share repurchase by entering into an accelerated share repurchase transaction with a financial institution.

•Strengthened our balance sheet and redeemed all of the outstanding 1.25% convertible senior notes due 2024 in exchange for $13.5 million in cash and 288,886 shares of common stock.

•Announced positive results of a clinical study with our proprietary high-volume auto-injector demonstrating subcutaneous (“SC”) administration of 10 mL of a representative biologic product co-formulated with our ENHANZE® drug delivery technology in approximately 30 seconds.

•Entered into a global collaboration and non-exclusive license agreement with Acumen Pharmaceuticals that provides Acumen access to ENHANZE® for a single target. Acumen intends to explore the potential use of ENHANZE® for ACU193, a clinical stage monoclonal antibody candidate to target Amyloid-β Oligomers for the treatment of early Alzheimer’s disease.

•ENHANZE® Partner Regulatory Submissions/Approvals

◦argenx announced that the FDA had accepted for priority review a supplemental Biologics License Application (“sBLA”) for VYVGART Hytrulo for the treatment of CIDP. The application has been granted a Prescription Drug User Fee Act action date of June 21, 2024.

◦Takeda submitted a New Drug Application in Japan seeking approval for TAK-771, subcutaneous 10% human immunoglobulin with ENHANZE®, for treatment of primary immunodeficiency.

◦Takeda announced that the FDA approved a sBLA to expand the use of HYQVIA® to treat primary immunodeficiency in children.

◦argenx received FDA approval for VYVGART® Hytrulo injection with ENHANZE® for SC use for the treatment of generalized myasthenia gravis (“gMG”) in adult patients who are anti-acetylcholine receptor (“AChR”) antibody positive. VYVGART® Hytrulo was made available to patients, resulting in $33.0 million in milestone payments and the right to receive royalties on net product sales.

◦Roche announced the approval of Tecentriq® SC with ENHANZE® by the Medicines and Healthcare products Regulatory Agency in Great Britain, resulting in an $8.0 million milestone payment to Halozyme and the right to receive royalties on net product sales.

◦Chugai Pharmaceuticals, a member of the Roche Group, obtained regulatory approval for Phesgo® from the Ministry of Health, Labour and Welfare in Japan. Halozyme is entitled to receive royalties for Phesgo® sales in Japan under its agreement with Roche.

◦argenx received European Commission (“EC”) approval for SC injectable VYVGART® co-formulated with ENHANZE® as an add-on to standard therapy for the treatment of gMG in adult patients who are AChR antibody positive.

◦Zai Lab Limited (argenx’s commercial partner in China) announced the Center for Drug Evaluation of the National Medical Products Administration granted Breakthrough Therapy Designation for efgartigimod alfa injection (SC injection) (efgartigimod SC) for the treatment of patients with chronic inflammatory demyelinating polyneuropathy (“CIDP”). The Breakthrough Therapy Designation for efgartigimod SC was supported by data from both global and Chinese patients enrolled in the ADHERE study.

◦Roche received EC marketing authorization for Tecentriq® SC for all approved indications of Tecentriq® IV for multiple cancer types.

◦Takeda received FDA approval for HYQVIA® for the treatment of CIDP as maintenance therapy to prevent the relapse of neuromuscular disability and impairment in adults.

◦Takeda received EC approval for HYQVIA® for the treatment of CIDP as maintenance therapy in patients of all ages after stabilization with intravenous immunoglobulin therapy.

◦argenx received regulatory approval in Japan for VYVDURA® (efgartigimod alfa and hyaluronidase-qvfc) co-formulated with ENHANZE® for the treatment of adult patients with gMG including options for self-administration, resulting in a $5.0 million milestone payment.

◦Roche filed Ocrelizumab SC with ENHANZE® with regulatory authorities in the U.S., European Union (“EU”) and Great Britain.

◦argenx submitted a sBLA to the FDA for VYVGART® Hytrulo for CIDP with priority review voucher and if approved, argenx is expected to launch mid-2024.

◦Janssen announced submission of a sBLA to the FDA seeking approval of a new indication for DARZALEX FASPRO® in combination with bortezomib, lenalidomide and dexamethasone for induction and consolidation treatment and with lenalidomide for maintenance treatment of adult patients who are newly diagnosed with multiple myeloma and are eligible for autologous stem cell transplant.

•Positive ENHANZE® Partner Clinical Data Announcements

◦Takeda announced positive results from a pivotal Phase 3 trial evaluating HYQVIA® for maintenance treatment of CIDP and confirmed regulatory applications were under review in the U.S. and EU.

◦argenx reported positive data from the ADHERE study evaluating VYVGART® Hytrulo with ENHANZE® in adults with CIDP. The study met its primary endpoint resulting in a 61% reduction in risk of relapse compared to placebo.

◦Roche announced that the Phase III OCARINA II trial evaluating OCREVUS® (ocrelizumab) with ENHANZE® as a twice a year 10-minute subcutaneous injection met its primary and secondary endpoints in patients with relapsing forms of multiple sclerosis (“MS”) or primary progressive MS.

◦Bristol Myers Squibb reported positive topline results from the Phase 3 CheckMate-67T trial evaluating a SC formulation of Opdivo (nivolumab) with ENHANZE® in patients with advanced or metastatic clear cell renal cell carcinoma who have received prior systemic therapy. The study met its co-primary pharmacokinetics (“PK”) endpoints and a key secondary endpoint.

•ENHANZE® Partner Clinical Trial Advancements

◦BMS initiated a Phase 3 trial to demonstrate the drug exposure levels of nivolumab and relatlimab fixed-dose combination with ENHANZE® is not inferior to IV administration in participants with previously untreated metastatic or unresectable melanoma (RELATIVITY-127).

◦Takeda initiated a Phase 2/3 study to evaluate PK, safety, and tolerability of subcutaneous administration of TAK-881 in adult and pediatric participants with Primary Immunodeficiency Diseases.

◦ViiV initiated a Phase 2b study to evaluate the efficacy, safety, PK and tolerability of VH3810109 (N6LS) administered subcutaneously with ENHANZE® in combination with cabotegravir.

◦ViiV achieved a development milestone, which resulting in a $5 million milestone payment.

•Device Product Regulatory Approvals

◦Teva announced FDA approval of the generic version of Forteo, featuring our multi-dose auto-injector pen platform for the treatment of osteoporosis among certain women and men.

2023 CEO Compensation

In 2023, the total target annual cash compensation for our CEO, Dr. Helen I. Torley, was $1,748,000 ($920,000 in base salary plus $828,000 in target annual cash incentive opportunity). Dr. Torley’s base salary was increased for 2023 by 5.5% as a result of the Compensation Committee’s assessment of her contribution to Halozyme’s performance during 2022 and its review of base salary paid to other peer group CEOs. (Our executive compensation peer group is discussed below under the heading “Competitive Peer Group.”) Dr. Torley’s target annual cash incentive opportunity for 2023 (assuming achievement of the corporate goals at 100%) was 90% of her base salary, which was a 10% increase (as a percentage of base salary) over her target annual cash incentive opportunity for 2022. The Compensation Committee believes this target annual cash incentive was appropriate based on her level of experience, the Compensation Committee’s review of annual cash incentive targets for other peer group CEOs, and the Compensation Committee’s belief that significant portions of total annual cash compensation should be tied to achievement of specified goals. As discussed in more detail below in this CD&A, the annual cash incentive she earned for 2023 was $883,476 which represents approximately 107% of her target annual cash incentive opportunity. As CEO, Dr. Torley is the only NEO whose annual cash incentive is determined solely based on the performance of the Company.

Dr. Torley also received a long-term equity incentive (LTI) award during 2023 that had a grant date fair value approximately $10,000,000, comprising the most significant element of her 2023 compensation opportunity. This award was granted based on the Compensation Committee’s assessment of her contribution to Halozyme’s performance during 2022, its review of LTI compensation paid to other peer group CEOs and the desire to link a significant portion of her compensation opportunity to Halozyme’s long-term performance. The Compensation Committee approved a mix of 28.75% PSUs (at target), 38% stock options and 33.25% RSUs for Dr. Torley, and a mix of 25% PSUs (at target), 40% stock options and 35% RSUs for each of the other NEOs, to emphasize Halozyme’s long-term stock price performance and to promote retention, with particular emphasis on performance (through the larger weight given to PSUs) in the mix for Dr. Torley. The stock options vest 25% on the one-year anniversary of the date of grant with the remaining 75% vesting monthly over the following three years, while RSUs vest in 25% annual installments over a four-year period following the grant date, subject to continued employment. PSUs granted to the NEOs in 2023 vest based on our relative total shareholder return measured against an applicable subset of companies in the NASDAQ Biotechnology Index over a three-year performance period.

Halozyme’s Executive Compensation Program

The principal elements of our executive compensation program are base salary, an annual cash incentive opportunity and an annual Long Term Incentive (“LTI”) award opportunity. The LTI awards for 2023 consisted of stock options, RSUs and PSUs.

What We Do

What We Do Not Do

Pay annual bonus based on the achievement of Company financial and strategic goals, and in the case of NEOs other than the CEO, individual performance, and contribution in achieving those goals

No guaranteed annual bonus payouts

Grant PSUs as significant portion of annual LTI awards for all executive officers

No severance payments or benefits for executives who voluntarily terminate their employment

Cap the annual bonus plan payout

No buyback of stock awards or repricing of stock options without shareholder approval

Prohibit executive officer hedging and pledging of Company stock

No executive single-trigger change in control benefits

Maintain an executive officer recoupment (“claw back”) policy

No material perquisites

Maintain robust stock ownership and retention guidelines for all executive officers

No supplemental executive benefits

Conduct an annual comprehensive compensation program risk assessment

No excise tax gross-ups

Detailed Discussion and Analysis

This CD&A describes the material elements of 2023 compensation for our NEOs.

The Compensation Committee makes all decisions relative to the compensation of all executive officers (including the CEO). Except as otherwise noted in this CD&A, the Compensation Committee’s executive compensation determinations are subjective and the result of the Compensation Committee’s business judgment. Additional details regarding the role and responsibilities of the Compensation Committee are provided below.

Executive Total Rewards Philosophy

The Compensation Committee periodically reviews its total rewards philosophy for executive officers to confirm our programs continue to meet the objectives of:

•supporting Halozyme’s short- and long-term business strategy,

•anchoring to market-based principles and being tailored to Halozyme’s culture, and

•aligning the interests of the executive officers with the long-term interests of Halozyme stockholders.

The material elements of 2023 compensation for our NEOs consisted of three primary elements, each has a specific purpose as described below:


Compensation Element			Purpose
Base Salary			• Provides a fixed amount of cash compensation for services rendered based on individual performance, job scope, experience and competitive market for talent
Annual Cash Incentive			• Motivates and rewards fiscal year contribution to company performance against pre-established financial and operational goals and objectives
Long-term Incentives (“LTI”)			• Align compensation with the creation of stockholder value (in the case of stock options) and changes in stock price (in the case of RSUs) and relative total shareholder return performance (in the case of PSUs) • Increases executive stock ownership and aligns with stockholder interests. • Serves as a key retention device

In addition, our NEOs are eligible to receive severance payments and benefits in connection with a qualifying termination of employment under our executive Change-in-Control Agreements and our severance policy for covered terminations unrelated to a change in control, each as described in more detail below. We also provide our NEOs with the same package of benefits that are provided to substantially all our full-time employees, including Company matching contributions to a 401(k) plan, health insurance, group term life insurance, and disability income insurance. From time to time, we may also provide relocation assistance in connection with the recruitment of an officer or employee with needed skills and experience. No material perquisites or supplemental executive benefits were provided to our NEOs in 2023.

As shown below, the majority of our NEOs’ target total direct compensation for 2023 (base salary, target annual cash incentive, and LTI awards, taken into account at their fair value on the grant date) was variable (target annual cash incentive and LTI awards), with the single largest component (LTI awards) based on Halozyme’s stock price performance.

Base Salary

The Compensation Committee determines base salaries for NEOs each year based upon the following factors (with no specific weight applied to each factor):

•the scope and complexity of the NEO’s responsibilities,

•a review of external market practices (a more detailed description of the methodology used to assess external market practices is provided below),

•the NEO’s experience,

•internal pay equity, and

•the CEO’s evaluation of the NEO’s performance and contribution to the short- and long-term success of Halozyme (in the case of the CEO, the evaluation is done in executive session by the Compensation Committee with input from the other independent members of the Board of Directors).

As reflected in the table below, 2023 annual base salary levels were increased by 5.5% for the CEO, 12.5% for Ms. LaBrosse (to bring her salary closer to the peer median for her position and to recognize her growth in the role since being promoted at the start of 2022), and 4.0% and 3.5%, respectively, for Mr. Snyder and Dr. LaBarre. The base salary increases for our NEOs were approved by the

Compensation Committee after taking into account the base salaries paid to peer group executives holding similar positions and other factors described above.


Executive Officer	2022 Base Salary ($)	2023 Base Salary ($)	% Increase
Helen I. Torley	871,832	920,000	5.5%
Nicole LaBrosse	485,500	546,188	12.5%

Mark Snyder	525,000	546,000	4.0%
Michael J. LaBarre	520,000	538,200	3.5%

Annual Cash Incentive

NEOs participate each year in the Employee Bonus Plan (“EBP”). The actual cash incentive paid to each NEO with respect to 2023 was determined based on each NEO’s target annual cash incentive opportunity and based on the performance of Halozyme as measured by the level of achievement of six metrics, of which two are tied to financial performance and have a combined 70% weighting and four are tied to operational performance and have a combined 30% weighting (“Corporate Performance”). As CEO, Dr. Torley is responsible for overall corporate performance, and accordingly, her EBP incentive opportunity is based entirely on the attainment of objective, pre-established corporate performance goals without applying an individual performance adjustment. For the other NEOs, the Compensation Committee may modify final payouts based on individual performance during the year relative to the level of achievement of personal goals (“Individual Performance Factor”), and the NEO must achieve at least 60% of his/her individual performance objectives in order to be eligible for a cash incentive payment. In all events, an NEO’s total payout cannot exceed two times the target cash annual incentive opportunity for the NEO.

The Compensation Committee sets each NEO’s target annual cash incentive opportunity as a percentage of the NEO’s base salary taking into account the same factors as are considered in NEO base salary determinations. As shown below, the 2023 target annual cash incentive opportunities for the NEOs (as a percentage of base salary) were increased over their 2022 target opportunities. These increases were approved by the Compensation Committee and set each NEO’s target opportunity at approximately the median for peer group executives holding similar positions.


Executive Officer	2022 Target Bonus (% Salary)	2023 Target Bonus (% Salary)	2023 Target Bonus ($)
Helen I. Torley	80%	90%	828,000
Nicole LaBrosse	45%	50%	273,094
Mark Snyder	45%	50%	273,000
Michael J. LaBarre	45%	50%	269,100

Corporate Performance. Corporate goals were established by the Compensation Committee (with input from the full Board of Directors) to tie the compensation of our NEOs to the Company’s achievement of annual operating objectives that were viewed as long-term drivers of sustainable value creation. EBP funding ranges between 0% and 200% for each of the six metrics. The Board of Directors approved the threshold, target, and maximum goals/level of performance for each metric (except that for the organizational effectiveness category, the target level of performance had to be attained in order for there to be any payout based on that measure).

The 2023 EBP focused on achievement of key financial and strategic objectives that resulted in (i) revenue growth, (ii) increased Adjusted EBITDA and (iii) certain other operational goals as identified in the table below. The Compensation Committee is responsible for certifying actual performance relative to these goals following completion of the fiscal year. After reviewing the Company’s performance results in 2023, the Compensation Committee determined the corporate performance factor under the 2023 EBP was achieved at 106.7% of the targeted level for the NEOs (see table below). We used Adjusted EBITDA as one of the financial measures under the 2023 EBP in place of non-GAAP operating income (which had been used under the 2022 EBP) because EBITDA is a common metric used to evaluate earnings and widely understood by investors. Adjusted EBITDA also excludes one-time items such as changes in contingent liabilities and impairment charges, and transaction costs for business combinations that we feel are not reflective of our core operating performance.


Corporate Goal	Weight	Threshold	Target	Maximum	Actual Result	EBP Funding
Revenue	55%	$815.0M	$830.0M	$860.0M	$829.3M	53.6%
Adjusted EBITDA	15%	$415M	$430M	$455M	$426.2M	13.1%
Add a particular new device agreement	10%	—	—	—	0	0%
Submission of new patent applications	10%	1	3	5	5	20%
Organizational Effectiveness: Demonstrate increased efficiency in manufacturing and release of our products	5%	N/A	Release a specific number of lots of ENHANZE® by December 15, 2023	Release a specific number of lots of ENHANZE® by October 30, 2023	Achieved prior to October 30, 2023	10%
Organizational Effectiveness & Health: Continue to build our high performing culture by building upon the strengths and skills of employees: Increased team participation in facilitated learning courses and LinkedIn Learning courses above 2022 baseline	5%	10% increase	15% increase	40% increase	increased participation by >40%	10%
TOTAL CORPORATE PERFORMANCE FACTOR						106.7%

Individual Performance Factor. The Compensation Committee believes the actual payout to each NEO (other than for Dr. Torley whose payout, as noted above, is based entirely on the attainment of objective, pre-established corporate performance goals) should also reflect the executive’s:

•performance relative to individual goals and objectives established for the year,

•contribution toward achieving the Corporate Performance results, and

•demonstration of living Halozyme’s Leadership Attributes and Corporate Values during the year.

Weighing Ms. LaBrosse’s accomplishments and other factors, the Compensation Committee supported the CEO’s recommendation and awarded her an individual performance factor of 100%. The Compensation Committee noted that:

•Ms. LaBrosse successfully led multiple financial transactions supporting execution of the corporate strategy and strengthened the company’s balance sheet. These activities included settlement of our 2024 convertible notes, continued execution of our share buy-back program, implementation of a FX hedging strategy and multiple actions to optimize taxes. Under Ms. LaBrosse leadership we further strengthened our Cybersecurity readiness and successfully completed full IT integration of Antares Pharma, Inc.

Weighing Mr. Snyder’s accomplishments and other factors, the Compensation Committee supported the CEO’s recommendation and awarded him an individual performance factor of 120%. The Compensation Committee noted that:

•Mr. Snyder played a key role in successful accomplishment of the corporate goals including support of the submission of multiple co-formulation patent applications achieving 200% attainment of this goal. In addition, Mr. Snyder led a detailed review of our patent portfolio and patents, taking actions to further add to our portfolio. He also played a key role in the successful negotiation of the ENHANZE Collaboration and Licensing Agreement with Acumen, expanding the number of collaboration partners. During the year, Mr. Snyder also led negotiation of multiple supplier and other contracts.

Weighing Dr. LaBarre’s accomplishments and other factors, the Compensation Committee supported the CEOs recommendation and awarded him an individual performance factor of 100%. The Compensation Committee noted that:

•Dr. LaBarre played a key role in successful accomplishment of the corporate goals including helping identify the innovations that supported the submission of multiple co-formulation patent applications, achieving 200% attainment of this goal. In addition, he led the successful execution of the Phase 1 clinical study of the High Volume Auto-Injector Prototype, demonstrating feasibility and patient acceptance of rapid large volume drug delivery by autoinjector.

The table below illustrates the 2023 cash incentive calculation for each NEO based on the following formula (also reflected in the “Non-Equity Incentive Plan Compensation” column of the Summary Compensation Table).


Named Executive Officer	Annualized Base Salary ($)	Target %	Annualized Target Amount ($)	Corporate Performance Factor	Individual Performance Factor	Final Payout ($)
Helen I. Torley (1)	920,000	90%	828,000	106.7%	N/A	883,476
Nicole LaBrosse	546,188	50%	273,094	106.7%	100%	291,391
Mark Snyder	546,000	50%	273,000	106.7%	120%	349,549
Michael J. LaBarre	538,200	50%	269,100	106.7%	100%	287,130

________________

(1)As noted above, Dr. Torley’s payout is based entirely on the attainment of objective, pre-established corporate performance goals without applying an individual performance factor.

LTI Compensation

All grants of LTI compensation are made under our stockholder-approved equity incentive plan. The Compensation Committee utilized three vehicles to deliver LTI awards to NEOs during 2023:

Stock Options are strongly aligned with stockholder interests because they deliver value to the NEO only if the value of our stock at the time of exercise exceeds the stock price on the day of grant. As a result, the Compensation Committee believes stock options encourage executives to focus on the decisions and behaviors required to support long-term sustainable increases in our stock price. To ease the transition to retirement for long-serving employees, the Compensation Committee provided in 2023 that employees who retire from Halozyme at age 60 or older with at least seven years of service to Halozyme will have three years from the date of their termination of service to exercise their Halozyme options that are vested at the time of their separation (subject to the applicable maximum option term and subject to earlier termination in connection with certain change in control events).

Time-vesting RSUs provide a counterbalance to the more uncertain value associated with stock options and PSUs while still maintaining alignment with the interests of our long-term stockholders, as the value of RSUs fluctuates (up or down) with changes in our stock price. As a result, the Compensation Committee believes time-vesting RSUs encourage executives to make decisions consistent with the long-term interests of our stockholders and help support retention.

Stock options and time-vesting RSUs granted to our NEOs in 2023 generally vest over a four-year period subject to continued employment.

PSUs help link our equity incentive program to achievement of specific performance goals established by the Compensation Committee. The Compensation Committee believes that the grant of PSUs furthers our executive compensation philosophy to tie achievement of company performance with executive compensation, aligns the interests of executive officers with our stockholders and encourages long-term performance.

The PSUs granted to the NEOs in 2023 are eligible to cliff vest after a three-year period provided they are earned based on our relative TSR measured against the applicable subset of component companies of the NASDAQ Biotechnology Index (excluding companies that had not been listed or traded on a national securities exchange for at least three consecutive years as of October 31, 2022, those that had gross revenue of less than $100 million dollars for the period of four consecutive calendar quarters ending with the last fiscal quarter for which there were publicly disclosed financial results as of October 31, 2022, and those that cease to be publicly-traded during the applicable performance period other than due to insolvency).

One-third of the target PSUs are earned based on three discrete performance periods each beginning on the grant date of the awards, with one performance period ending December 31, 2023, one performance period ending December 31, 2024, and one performance period ending December 31, 2025. For purposes of these awards, TSR for Halozyme and the applicable subset of component companies is based on a 20-trading day average trading price beginning on the PSU grant date and a 20-trading day average trading price ending on the last day of the applicable performance period. Dividend equivalents, if any, will be accrued as additional stock units and delivered with earned shares at vesting. The potential vesting percentages for the 2023 PSUs are as follows (with the percentage determined by linear interpolation for performance between the 25th and 75th percentiles):


Maximum	75th Percentile or Higher	150%
Target	50th Percentile	100%
Threshold	25th Percentile	50%
Below Threshold	< 25th Percentile	0%

PSUs eligible to vest based on performance become vested on the third anniversary of the grant date of the awards following certification of performance results and assuming continued employment. The three-year cliff vesting schedule serves as additional retention and incentive for stock price performance to support long-term alignment with our stockholders.

2023 Annual LTI Awards

For 2023, the Compensation Committee awarded annual LTI compensation for the NEOs based on the grant date value the Committee determined appropriate considering their assessment of annual equity award grants to peer group executives holding similar positions, and taking into account their assessment of the executive’s experience, expected contribution to the long-term success of the Company, and skill-set relative to industry peers at biopharmaceutical companies (with no specific weight applied to each factor). The Compensation Committee also determined that the award value for each NEO would be allocated 25% PSUs (at target), 40% stock options and 35% RSUs (or 28.75%, 38% and 33.25%, respectively, for Dr. Torley). A greater weight was placed on PSUs in the equity award mix for Dr. Torley to increase the performance-based portion of her overall LTI award. Accordingly, the Compensation Committee awarded the following LTI values to our NEOs in 2023:


Name	Option Awards ($)	RSUs ($)	PSUs ($)	Total ($)
Helen I. Torley	3,800,000	3,325,000	2,875,000	10,000,000
Nicole LaBrosse	1,200,000	1,050,000	750,000	3,000,000

Mark Snyder	1,080,000	945,000	675,000	2,700,000
Michael J. LaBarre	960,000	840,000	600,000	2,400,000

For each NEO, the LTI value allocated to an award was converted into a number of shares based on (i) in the case of RSUs, the closing price of our stock on the grant date, and (ii) in the case of options and PSUs. the per share fair value of the award on the grant date awards as determined under applicable accounting rules, and rounding up to a whole share. The grant date fair value of the options was determined using the Black-Scholes option valuation methodology. The grant date fair value of the PSUs was determined using a Monte Carlo simulation. Differences between the LTI values approved by the Compensation Committee, as shown above, and the actual grant date fair values of the awards as included in the executive compensation tables following the CD&A are due to the rounding of fractional share interests in accordance with the methodology approved by the Compensation Committee.

PSU Award Vesting

The Compensation Committee has determined that, as to the one-third of the PSUs awarded in 2023 that correspond to a performance period ended December 31, 2023, 70.45% of such PSUs are eligible to vest based on our relative TSR measured against the applicable subset of component companies of the NASDAQ Biotechnology Index for that period (our TSR for that period was

-14.7% and this placed us at the 35.2nd percentile against the comparison group of companies for that period). These PSUs remain unvested, with vesting subject to continued employment through the third anniversary of the grant date of the awards.

We awarded PSUs in 2021 to Dr. Torley and Dr. LaBarre and awarded PSUs in 2022 to each of the NEOs that are similar to the PSUs awarded in 2023. The Compensation Committee has determined that, as to the one-third of the PSUs awarded in 2021 that correspond to a performance period ended December 31, 2023, 150% of such PSUs are eligible to vest based on our relative TSR measured against the applicable subset of component companies of the NASDAQ Biotechnology Index for that period (our TSR for that period was -14.2% and this placed us at the 77.5th percentile against the comparison group of companies for that period). The PSUs vested on the third anniversary of the grant date of the awards. The Compensation Committee has also determined that, as to the one-third of the PSUs awarded in 2022 that correspond to a performance period ended December 31, 2023, 131.58% of such PSUs are eligible to vest based on our relative TSR measured against the applicable subset of component companies of the NASDAQ Biotechnology Index for that period (our TSR for that period was 11.7% and this placed us at the 65.8th percentile against the comparison group of companies for that period). These PSUs remain unvested, with vesting subject to continued employment through the third anniversary of the grant date of the awards.

2024 Annual LTI Awards

As discussed above, the 2023 annual LTI award mix for Dr. Torley was 28.75% PSUs (at target), 38% stock options and 33.25% RSUs, and the 2023 annual LTI award mix for our other NEOs was 25% PSUs (at target), 40% stock options and 35% RSUs. The Company granted its 2024 annual LTI awards in February 2024, with a mix for all NEOs, including Dr. Torley, that was 50% PSUs (at target), 15% stock options and 35% RSUs.

Two types of PSUs were awarded in 2024. Half of the target PSU value is earned based on our relative TSR performance against a subset of the Nasdaq Biotech Index, consistent with the design of our 2023 PSUs. One-third of these PSUs are eligible to be earned based on our relative TSR performance over three measurement periods, each beginning on the date of grant and ending at the end of 2024, 2025, and 2026, with 0%-150% of the one-third portion of the award allocated to each performance period eligible to be earned based on actual performance for that period. Earned shares, if any, cliff vest on the third anniversary of grant. The other half of the target PSU value is earned based on new target nominations by partners and new collaborations in 2024 related to ENHANZE® and our Auto-Injectors, aligned with our strategic goals. These PSUs are earned from 0%-200% of the target number of shares. Earned shares, if any, cliff vest on the third anniversary of grant.

Competitive Peer Group

The Compensation Committee annually selects a group of peer companies against which Halozyme benchmarks the competitiveness of executive pay levels and program design (referred to in this CD&A as our “peer group” or “peer companies”). The peer group companies are identified based upon the Compensation Committee’s assessment of each company’s similarity with Halozyme with respect to science/business model, revenue, and market capitalization. The peer group is reviewed annually by the Compensation Committee.

For 2023 compensation decisions, the Compensation Committee utilized proxy data from the following companies, listed below. The Compensation Committee’s objective in selecting this peer group was to include a group of similar-sized public companies in the life sciences sector, with an emphasis on pharmaceutical and biotechnology companies with commercialized products. Targeted companies generally had revenues and market capitalization between 0.25x to 4.0x Halozyme’s size at the time of the analysis with Halozyme near the median on both measures.


2023 Peer Group
Acadia Pharmaceuticals Agios Pharmaceuticals Alkermes Alnylam Pharmaceuticals Amicus Therapeutics	BioMarin Pharmaceutical Blueprint Medicines Exelixis Ionis Pharmaceuticals Ironwood Pharmaceuticals	Ligand Pharmaceuticals Neurocrine Biosciences Sarepta Therapeutics Ultragenyx Pharmaceuticals United Therapeutics

The following changes to the peer group were made for 2023:

•Alkermes, BioMarin Pharmaceutical and United Therapeutics were added to the group based on the Compensation Committee’s assessment of the criteria noted above.

•Acceleron Pharmaceuticals, FibroGen, Heron Therapeutics, and Nektar Therapeutics were removed from the group based on the Compensation Committee’s assessment of the criteria noted above and, in the case of Acceleron Pharmaceuticals, because it was no longer publicly-traded.

Independent Compensation Consultant

The Compensation Committee retains F.W. Cook & Co., Inc. (“FW Cook”) as its independent compensation consultant to provide advice and counsel on matters related to our executive and non-employee director compensation program and FW Cook provides no other services to Halozyme. In 2023, FW Cook provided recommendations regarding the composition and selection of Halozyme’s peer group companies to be used with respect to 2023 and 2024 executive compensation decisions, performed a review of compensation levels and practices for similar executive positions at the peer group companies, advised regarding the compensation mix and levels for the NEOs, advised on the design and implementation of our annual LTI awards, reported on executive compensation trends and developments, and advised on the compensation arrangements for our non-employee directors. FW Cook reports directly to the Compensation Committee and regularly attends meetings of the Compensation Committee, as requested. The Compensation Committee assessed the independence of FW Cook pursuant to applicable rules and regulations of the SEC and NASDAQ and concluded that the engagement of FW Cook did not raise any conflicts of interest during fiscal 2023 and currently does not raise any conflicts of interest.

Compensation Risk Assessment

Our Compensation Committee, with assistance from its independent compensation consultant and with input from members of management, annually reviews our compensation programs, policies and practices to determine whether they encourage risk-taking that could have a material adverse effect on the Company. As part of this review, the Company evaluates the primary components of its compensations plans to identify whether those components properly balance compensation opportunities and risk. Our Compensation Committee considers various factors, including the following:

•The Company’s pay philosophy provides an effective balance in cash and equity award mix, short- and long-term performance periods, financial and non-financial performance, formulas and discretion.

•The Company’s compensation programs include an appropriate mix of short- and long-term goals and incentives.

•The Compensation Committee has the discretion to make positive and negative adjustments to payouts under the Company’s compensation plans.

•Policies are in place to manage or mitigate risk, such as stock ownership guidelines, vesting periods on equity awards, insider-trading prohibitions that also restrict hedging and pledging, recoupment policy and provisions, and independent Compensation Committee oversight.

•The Company’s design and oversight principles also apply to its broad-based employee compensation plans.

Based on this review, the Compensation Committee, based in part on the input from its compensation consultants, concluded that the risks arising from the Company’s compensation policies and practices, for both our executive officers and our other employees, are not reasonably likely to have a material adverse effect on Halozyme.

Other Compensation Matters

Stock Ownership and Retention Guidelines

We maintain stock ownership guidelines for our executive officers which stipulate that the CEO is required to own shares of Halozyme common stock with value equal to no less than six times the CEO’s current base salary and that all other executive officers are required to own shares of Halozyme common stock with value equal to no less than two times the officer’s current base salary. Certain other officers designated by the Compensation Committee are expected to own shares of Halozyme common stock with value no less than one times the officer’s current base salary. Each executive officer is expected to comply with the guidelines within five years of appointment as an executive officer, and has three years to comply with any incremental ownership required as a result of a promotion or other increase in applicable ownership multiple. Share ownership that counts for purposes of satisfying the applicable guideline level of ownership includes fully-owned shares (including shares held in trust and by immediate family members), vested but deferred shares, shares held in retirement accounts, and unvested stock units that are subject to time-based vesting only. Stock units subject to unsatisfied performance-based vesting conditions and unexercised stock options are not counted when evaluating compliance. Each executive officer is required to: (i) hold at least 50% of all net shares (after shares withheld or sold to pay tax obligations) of RSUs and PSUs that vest; and (ii) hold at least 50% of the underlying net gain (i.e., not including shares sold to pay the exercise price or to satisfy tax obligations) in shares of the Company’s common stock as a result of stock option exercises, until the executive officer comes into compliance with the stock ownership guidelines. The Compensation Committee annually reviews progress executive officers are making toward achieving compliance with these guidelines and has determined that all of our NEOs have achieved their specific ownership levels as of February 1, 2024.

Tax Deductibility of Executive Compensation

Section 162(m) of the Internal Revenue Code generally disallows a tax deduction to public companies for compensation in excess of $1 million paid to a company’s chief executive officer and certain current and former executive officers. As a result, we expect that compensation paid per year to our NEOs and certain former executive officers in excess of $1 million generally will not be deductible,

subject to limited exceptions. The Compensation Committee generally seeks to preserve tax deductions for executive compensation where available but may make compensation decisions based on other factors when it believes doing so is in the best interest of the Company and its stockholders.

Change in Control Agreements

We have entered into Change in Control Agreements with our executive officers. We believe that the occurrence or potential occurrence of a change in control transaction creates uncertainty regarding the continued employment of our executive officers. This uncertainty results from the fact that many change in control transactions are common in our industry and often result in significant organizational changes, particularly at the senior executive level. We provide additional severance protections under the Change in Control Agreements to help ensure that executives can objectively evaluate change in control transactions that may be in the best interest of stockholders despite the potential negative consequences such transactions may have on them personally and to encourage executives to remain employed with the Company during an important time when their prospects for continued employment following the transaction are often uncertain.

Non-Change in Control Severance Policy

The Compensation Committee has approved a Company-wide severance policy, outside of a change in control context, that is also applicable to our executive officers. We believe that such severance protections are only appropriate in the event an executive is involuntarily terminated without cause and that these severance benefits are appropriate in light of severance protections available to executives at our peer group companies, and are an important component of each executive’s overall compensation as they help us to attract and retain our key executives who could have other job alternatives that may appear to them to be more attractive absent these protections. The Compensation Committee amended the severance policy in December 2023 to better align the severance benefit level for our CEO with peer group practices. Despite the establishment of the severance policy, however, the Board of Directors or Compensation Committee retains the right to amend, alter or terminate the severance policy at any time.

Incentive Compensation Recoupment (“Clawback Policy”)

In accordance with SEC and NASDAQ requirements, the Board has adopted an executive compensation recovery policy regarding the adjustment or recovery of certain incentive awards or payments made to current or former executive officers in the event that we are required to prepare an accounting restatement due to material noncompliance with any financial reporting requirement under the securities laws. In general, the policy provides that, unless an exception applies, we will seek to recover compensation that is awarded to an executive officer based on the Company’s attainment of a financial metric during the three-year period prior to the fiscal year in which the restatement occurs, to the extent such compensation exceeds the amount that would have been awarded based on the restated financial results.

Hedging and Pledging Restrictions

The Company’s Insider Trading Policy prohibits the pledging of Company securities as collateral and entering into transactions to hedge the value of Company securities owned by executives subject to the policy. Under the policy all directors and employees (including officers), or their designees, are prohibited from purchasing financial instruments (including prepaid variable forward contracts, equity swaps, collars and exchange funds) or otherwise engage in transactions, that hedge or offset, or are designed to hedge or offset, any decrease in the market value of Halozyme’s equity securities that are either (i) granted to the employee or director by Halozyme as part of the compensation of the employee or director or (ii) held, directly or indirectly, by the employee or director.

Compensation Committee Report

We, the Compensation Committee of the Board of Directors of Halozyme Therapeutics, Inc., have reviewed and discussed the Compensation Discussion and Analysis contained in this Proxy Statement with management. Based on such review and discussion, we have recommended to the Board of Directors that the Compensation Discussion and Analysis be included in this Proxy Statement.

THE COMPENSATION COMMITTEE

Bernadette Connaughton (Chair)

Barbara Duncan

Connie Matsui

2023 Summary Compensation Table

The following table sets forth information concerning the compensation earned during the fiscal years ended December 31, 2023, 2022 and 2021 by each individual who acted as our principal executive officer, our principal financial officer, and our other most highly compensated executive officers during the fiscal year ended December 31, 2023.


2023 SUMMARY COMPENSATION TABLE
Name and Principal Position	Year	Salary ($)	Bonus ($)		Stock Awards ($)(1)(3)	Option Awards ($)(2)(3)	Non-Equity Incentive Plan Compensation ($)(4)	All Other Compensation ($)(5)	Total ($)
Helen I. Torley	2023	920,000	—		6,200,011	3,800,007	883,476	17,364	11,820,858
President and Chief Executive Officer	2022	871,732	—		4,950,040	3,300,008	557,909	17,289	9,696,978
	2021	830,221	—		4,060,081	1,740,001	807,619	15,372	7,453,294

Nicole LaBrosse(6)	2023	546,188	—		1,800,055	1,200,001	291,391	11,784	3,849,419
Senior Vice President, Chief Financial Officer	2022	467,836	—		1,200,030	800,012	200,997	14,228	2,683,103






Mark Snyder(7)	2023	546,000	—	(9)	1,620,053	1,080,003	349,549	17,322	3,612,927
Senior Vice President, General Counsel, Chief Compliance Officer and Corporate Secretary	2022	525,000	—		1,750,044	1,250,007	198,450	16,701	3,740,202


Michael J. LaBarre	2023	538,200	—		1,440,042	960,005	287,130	18,564	3,243,941
Senior Vice President, Chief Technical Officer	2022	520,000	—		1,440,041	960,002	187,200	16,037	3,123,280
	2021	494,000			1,050,040	450,010	270,217	15,333	2,279,600

________________

(1)This column represents the grant date fair value of stock awards granted to the NEOs in fiscal years 2023, 2022 and 2021, in accordance with the Financial Accounting Standards Board’s (“FASB”) Accounting Standards Codification (“ASC”) Topic 718. Pursuant to SEC rules, the amounts shown exclude the impact of estimated forfeiture related to service-based vesting conditions. For additional information on the valuation assumptions used by us in calculating these amounts refer to Note 9 of the Notes to Consolidated Financial Statements, filed as part of our Annual Report on Form 10-K for the fiscal year ended December 31, 2023 filed with the SEC on February 20, 2024. Stock awards granted to executive officers consist of RSUs and PSUs. A portion of the amounts reported in this column for each NEO for 2022 and 2021 reflect the grant-date fair value of PSUs granted to the executives during that fiscal year. In accordance with applicable SEC rules, these amounts were determined based on the probable outcome (determined as of the date of grant of the awards) of the performance-based conditions applicable to the awards. For these purposes, the grant date fair value for the PSU awards granted to each of the NEOs was determined based on a Monte Carlo simulation pricing model (which probability weights multiple potential outcomes) as of such grant date. The significant assumptions used in the Monte Carlo simulation pricing model were as follows:


	2023	2022	2021
Expected volatility	39.38%	40.52%	40.96%
Risk-free interest rate	4.27%	1.71%	0.20%
Expected dividend yield	—	—	—

The following table presents the aggregate grant-date fair value of these performance-based awards granted in fiscal 2023 and 2022 included in the “Stock Awards” column for those years and the aggregate grant-date fair value of these awards assuming that the highest level of performance conditions was achieved.


	Aggregate Grant Date Fair Value of Performance Awards (Fiscal 2023)		Aggregate Grant Date Fair Value of Performance Awards (Fiscal 2022)
Name	Based on Probable Outcome as of the Grant Date ($)	Based on Maximum Performance ($)	Based on Probable Outcome as of the Grant Date ($)	Based on Maximum Performance ($)
Helen I. Torley	2,875,010	4,312,515	2,062,529	3,093,794
Nicole LaBrosse	750,028	1,125,043	500,013	750,020
Mark Snyder	675,049	1,012,574	500,013	750,020
Michael J. LaBarre	600,011	900,016	600,008	900,012

(2)This column represents the grant date fair value of stock options granted to the NEOs in fiscal years 2023, 2022 and 2021, in accordance with FASB ASC Topic 718. Pursuant to SEC rules, the amounts shown exclude the impact of estimated forfeiture related to service-based vesting conditions. For additional information on the valuation assumptions used by us in calculating these amounts refer to Note 9 of the Notes to Consolidated Financial Statements, filed as part of our Annual Report on Form 10-K for the fiscal year ended December 31, 2023 filed with the SEC on February 20, 2024.

(3)The amounts reported in the Summary Compensation Table for stock awards and option awards may not represent the amounts that the NEOs will actually realize from the awards. Whether, and to what extent, an NEO realizes value will depend on stock price fluctuations and the NEO’s continued employment. To see the exact share amounts and the value of awards made to the NEOs in fiscal 2023, see the 2023 Grants of Plan-Based Awards table below. Additional information on all outstanding awards is reflected in the Outstanding Equity Awards at December 31, 2023 table.

(4)Performance-based bonuses are generally paid pursuant to our annual incentive plans and reported as Non-Equity Incentive Plan Compensation. The performance-based bonuses represent amounts earned during each respective fiscal year based on applicable performance levels for such fiscal year, regardless of whether part or all of such amounts were paid in a subsequent fiscal year.

(5)The table below lists the amounts set forth in this column which consist of other compensation including (i) Company contributions to Halozyme Therapeutics, Inc. 401(k) plan, and (ii) Company payments for group term insurance premiums.


Name	401(k) Plan Company Matching Contributions ($)	Payout of Accrued Paid Time Off ($)	Other Compensation ($)	Total ($)
Helen I. Torley	13,800	—	3,564	17,364
Nicole LaBrosse	11,250	—	534	11,784

Mark Snyder	15,000	—	2,322	17,322
Michael J. LaBarre	15,000	—	3,564	18,564

(6)Ms. LaBrosse was appointed as Chief Financial Officer on February 2, 2022.

(7)Mr. Snyder commenced employment with Halozyme on January 3, 2022.

2023 Grants of Plan-Based Awards

The following table sets forth certain summary information with respect to plan-based awards granted during the fiscal year ended December 31, 2023 to our NEOs:


		Estimated Future Payouts Under Non-Equity Incentive Plan Awards(1)			Estimated Future Payouts Under Equity Incentive Plan Awards (2)			All Other Stock Awards: Number of Shares or Units(#) (3)	All Other Option Awards: Number of Securities Underlying Options(#) (4)	Exercise or Base Price of Option Awards ($/Sh)	Grant Date Fair Value of Stock and Option Awards($) (5)
Name	Grant Date	Threshold ($)	Target ($)	Maximum ($)	Threshold (#)	Target (#)	Maximum (#)
Helen I. Torley	n/a	—	828,000	1,656,000
	2/16/2023							67,499			3,325,001
	2/16/2023				24,176	48,352	72,528				2,875,010
	2/16/2023								193,360	49.26	3,800,007
Nicole LaBrosse	n/a	—	273,094	546,188
	2/16/2023							21,316			1,050,026
	2/16/2023				6,307	12,614	18,921				750,028
	2/16/2023								61,061	49.26	1,200,001
						—					—



Mark Snyder	n/a	—	273,000	546,000
	2/16/2023							19,184			945,004
	2/16/2023				5,677	11,353	17,030				675,049
	2/16/2023								54,955	49.26	1,080,003
Michael J. LaBarre	n/a	—	269,100	538,200
	2/16/2023							17,053			840,031
	2/16/2023				5,046	10,091	15,137				600,011
	2/16/2023								48,849	49.26	960,005

________________

(1)F

SEC Form DEF 14A filed by Halozyme Therapeutics Inc.