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4D Molecular Therapeutics, Inc.

For the period ended Jun 17, 2026. Filed Apr 28, 2026.

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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.

Jun 17, 2026 · Filed Apr 28, 2026

FDMT$12.25+8.9%Stored close · as of Nov 6, 2026
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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

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

4D MOLECULAR THERAPEUTICS, INC.

(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

4D Molecular Therapeutics, Inc.

5858 Horton Street #455

Emeryville, CA 94608

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

TO BE HELD ON JUNE 17, 2026

To the Stockholders of 4D Molecular Therapeutics, Inc.:

NOTICE IS HEREBY GIVEN that the 2026 Annual Meeting of Stockholders (the “Annual Meeting”) of 4D Molecular Therapeutics, Inc., a Delaware corporation (the “Company”), will be held on June 17, 2026, at 10:30 a.m. Pacific time. The Annual Meeting will be held entirely online to allow greater participation and improved communication and provide savings for our stockholders and the Company. Stockholders can attend the meeting via the internet at www.virtualshareholdermeeting.com/FDMT2026 by using the 16-digit control number that appears on the accompanying Proxy Card (printed in the box and marked by the arrow) and the instructions that accompanied these proxy materials.

The Annual Meeting will be held for the following purposes:

1.To elect three Class III directors to hold office until the 2029 annual meeting of stockholders or until their successors are duly elected and qualified or until their earlier death, resignation, disqualification, retirement or removal;
2.To ratify the appointment, by the Audit Committee of the Company’s Board of Directors, of PricewaterhouseCoopers LLP, as the independent registered public accounting firm of the Company for its fiscal year ending December 31, 2026;
3.To approve, on an advisory and non-binding basis, the compensation of the Company’s named executive officers (“say-on-pay vote”); and
4.To transact such other business as may properly come before the Annual Meeting or any adjournment or postponement thereof.

The foregoing items of business are more fully described in the Proxy Statement accompanying this Notice of Annual Meeting of Stockholders. Only stockholders who owned common stock of the Company at the close of business on April 20, 2026 (the “Record Date”) can vote at this meeting or any adjournments that take place.

The Board of Directors recommends that you vote FOR the election of the director nominees named in Proposal No. 1 of the Proxy Statement; FOR the ratification of the appointment of PricewaterhouseCoopers LLP, as the independent registered public accounting firm, as described in Proposal No. 2 of the Proxy Statement; and FOR the compensation of our named executive officers, as described in Proposal No. 3 of the Proxy Statement.

YOUR VOTE IS IMPORTANT. WHETHER OR NOT YOU PLAN TO ATTEND THE VIRTUAL ANNUAL MEETING, WE ENCOURAGE YOU TO READ THE ACCOMPANYING PROXY STATEMENT AND OUR ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 2025, AND SUBMIT YOUR PROXY AS SOON AS POSSIBLE USING ONE OF THE THREE CONVENIENT VOTING METHODS DESCRIBED IN THE “INFORMATION ABOUT THE PROXY PROCESS AND VOTING” SECTION IN THE PROXY STATEMENT. IF YOU RECEIVE MORE THAN ONE SET OF PROXY MATERIALS OR NOTICE OF INTERNET AVAILABILITY BECAUSE YOUR SHARES ARE REGISTERED IN DIFFERENT NAMES OR ADDRESSES, EACH PROXY SHOULD BE SIGNED AND SUBMITTED TO ENSURE THAT ALL OF YOUR SHARES WILL BE VOTED.

By Order of the Board of Directors

/s/ DAVID KIRN

David Kirn, M.D.

President, Chief Executive Officer and Director

Emeryville, California

April 28, 2026

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.