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C4 Therapeutics, Inc.

For the period ended Dec 31, 2025. Filed Feb 26, 2026.

View on SEC.gov

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 26, 2026

CCCC$3.10+5.1%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 16. Form 10-K Summary

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized.

C4 Therapeutics, Inc.
Date: February 26, 2026By:/s/ Andrew J. Hirsch
Andrew J. Hirsch
President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, this Report has been signed below by the following persons on behalf of the Registrant in the capacities and on the dates indicated.

NameTitleDate
/s/ Andrew J. HirschPresident, Chief Executive Officer, and DirectorFebruary 26, 2026
Andrew J. Hirsch(Principal Executive Officer)
/s/ Kendra R. AdamsChief Financial Officer and TreasurerFebruary 26, 2026
Kendra R. Adams(Principal Financial Officer)
/s/ Mark MosslerChief Accounting OfficerFebruary 26, 2026
Mark Mossler(Principal Accounting Officer)
/s/ Ronald CooperChairman and DirectorFebruary 26, 2026
Ronald Cooper
/s/ Kenneth C. Anderson, M.D.DirectorFebruary 26, 2026
Kenneth C. Anderson, M.D.
/s/ Laura Bessen, M.D.DirectorFebruary 26, 2026
Laura Bessen, M.D.
/s/ Stephen Fawell, Ph.D.DirectorFebruary 26, 2026
Stephen Fawell, Ph.D.
/s/ Donna Grogan, M.D.DirectorFebruary 26, 2026
Donna Grogan, M.D.
/s/ Utpal KoppikarDirectorFebruary 26, 2026
Utpal Koppikar
/s/ Stephen L. HoerterDirectorFebruary 26, 2026
Stephen L. Hoerter
/s/ Owen HughesDirectorFebruary 26, 2026
Owen Hughes

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

Report of Independent Registered Public Accounting FirmF-2
Consolidated Balance SheetsF-4
Consolidated Statements of Operations and Comprehensive LossF-5
Consolidated Statements of Stockholders’ EquityF-6
Consolidated Statements of Cash FlowsF-7
Notes to Consolidated Financial StatementsF-8
ContentsView on SEC.gov

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