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Seres Therapeutics Inc

For the period ended Mar 13, 2025. Filed Mar 13, 2025.

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What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

Mar 13, 2025 · Filed Mar 13, 2025

MCRB$1.98-5.3%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant☒ Filed by a Party other than the Registrant☐

Check the appropriate box:

☐Preliminary Proxy Statement
☐Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☒Definitive Proxy Statement
☐Definitive Additional Materials
☐Soliciting Material under § 240.14a-12

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check all boxes that apply)

☒No fee required.
☐Fee paid previously with preliminary materials.
☐Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

Seres Therapeutics, Inc.

PROXYSTATEMENT

Annual Meeting of Stockholders April 10, 20258:00 a.m. Eastern Time

To Our Stockholders:

You are cordially invited to attend the 2025 Annual Meeting of Stockholders of Seres Therapeutics, Inc. at 8:00 a.m. Eastern time, on Thursday, April 10, 2025 (the “Annual Meeting”). The Annual Meeting will be held online. You will be able to attend the Annual Meeting online and submit your questions during the meeting by visiting www.virtualshareholdermeeting.com/MCRB2025.

The Notice of Meeting and Proxy Statement on the following pages describe the matters to be presented at the Annual Meeting. Please see the section called “Who Can Attend the 2025 Annual Meeting of Stockholders?” on page 3 of the proxy statement for more information about how to attend the meeting online.

Whether or not you attend the Annual Meeting webcast, it is important that your shares be represented and voted at the Annual Meeting. Therefore, I urge you to promptly vote and submit your proxy via the Internet or by signing, dating and returning the enclosed proxy card in the enclosed envelope, which requires no postage if mailed in the United States. Instructions regarding how you can vote are contained on the proxy card. You may also vote online during the Annual Meeting. Instructions on how to vote during the meeting will be available at www.virtualshareholdermeeting.com/MCRB2025.

Thank you for your support.

Sincerely,

Eric D. Shaff

President and Chief Executive Officer

Notice of Annual Meeting of Stockholders
Proxy Statement1
Proposals1
Recommendations of the Board2
Information About This Proxy Statement2
Questions and Answers About the 2025 Annual Meeting of Stockholders3
Proposals to be Voted On7
Proposal 1: Election of Directors7
Proposal 2: Ratification of Appointment of Independent Registered Public Accounting Firm11
Proposal 3: Approval, on an Advisory (Non-Binding) Basis, of the Compensation of Our Named Executive Officers12
Proposal 4: Approval of the Seres Therapeutics, Inc. 2025 Incentive Award Plan13
Proposal 5: Approval of Amendments to our Certificate of Incorporation to Effect a Reverse Stock Split22
Introduction to Proposals 6 and 732
Proposal 6: Approval of Amendments to Our Restated Certificate of Incorporation to Clarify Voting Requirements to Amend the Number of Shares of Authorized Common Stock and Preferred Stock33
Proposal 7: Approval of Amendments to Our Restated Certificate of Incorporation to Eliminate Supermajority Voting Requirements34
Proposal 8: Approval of an Adjournment of the Annual Meeting35
Report of the Audit Committee of the Board of Directors36
Independent Registered Public Accounting Firm Fees and Other Matters37
Executive Officers38
Corporate Governance39
General39
Board Composition39
Director Independence39
Director Candidates39
Communications from Stockholders40
Board Leadership Structure and Role in Risk Oversight40
Environmental, Social and Corporate Governance Activities41
Annual Board Evaluation42
Code of Ethics42
Anti-Hedging and Anti-Pledging Policy42
Attendance by Members of the Board of Directors at Meetings42
Committees of the Board43
Audit Committee43
Compensation and Talent Committee44
Nominating and Corporate Governance Committee44
Science and Clinical Development Committee45
Executive Compensation46
General46
Details of Our Compensation Program47
Executive Compensation Table52
Employment Agreements54
Pay Versus Performance55
Director Compensation58
2024 Director Compensation Table58
Equity Compensation Plan Information60
Security Ownership of Certain Beneficial Owners and Management61
Certain Relationships63
Compensation and Talent Committee Interlocks and Insider Participation66
Stockholders’ Proposals67
Other Matters68
Solicitation of Proxies69
Appendix A71
Appendix B88
Appendix C-190
Appendix C-291
Appendix D-192
Appendix D-294
ContentsView on SEC.gov

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