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C4 Therapeutics SEC Filings

NASDAQ: CCCCHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD

3.16+0.31 (+10.88%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

C4 Therapeutics filing overview

This page lists 60 recent SEC filings by C4 Therapeutics (CCCC), including 28 4, 12 SCHEDULE 13G/A, 11 8-K, 3 10-Q. The latest annual report (10-K) was filed on Feb 26, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 11, 2026.

The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 25, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.

Summary generated from market data by MetaCap's automated system. Methodology

CCCC SEC filings

C4 Therapeutics SEC filings
FiledFormDescriptionDocument
Oct 2, 20264Statement of changes in beneficial ownershipView on EDGAR
Oct 2, 20264Statement of changes in beneficial ownershipView on EDGAR
Sep 25, 20268-KRegulation FD Disclosure; Other EventsView on EDGAR
Sep 21, 20264Statement of changes in beneficial ownershipView on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 12, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 11, 20268-KResults of Operations and Financial ConditionView on EDGAR
Aug 11, 202610-QQuarterly reportView on EDGAR
Jul 27, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jul 13, 20264Statement of changes in beneficial ownershipView on EDGAR
Jul 2, 20264Statement of changes in beneficial ownershipView on EDGAR
Jul 2, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 26, 20264Statement of changes in beneficial ownershipView on EDGAR
Jun 24, 20268-KSubmission of Matters to a Vote of Security HoldersView on EDGAR
Jun 11, 20268-KRegulation FD Disclosure; Other EventsView on EDGAR
Jun 4, 20264Statement of changes in beneficial ownershipView on EDGAR
May 19, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
May 15, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
May 15, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
May 15, 20268-KDeparture or Appointment of Directors or Officers; Compensatory ArrangementsView on EDGAR
May 12, 20268-KResults of Operations and Financial Condition; Regulation FD DisclosureView on EDGAR
May 12, 202610-QQuarterly reportView on EDGAR
Apr 29, 2026DEF 14ADefinitive proxy statementView on EDGAR
Apr 22, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Apr 10, 20268-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal YearView on EDGAR
Apr 9, 20268-KEntry into a Material Definitive Agreement; Regulation FD DisclosureView on EDGAR
Apr 3, 20264Statement of changes in beneficial ownershipView on EDGAR
Apr 3, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 26, 20268-KResults of Operations and Financial ConditionView on EDGAR
Feb 26, 202610-KAnnual reportView on EDGAR
Feb 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 18, 20264Statement of changes in beneficial ownershipView on EDGAR
Feb 17, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Feb 17, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Feb 12, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Feb 11, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Jan 16, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 14, 20268-KRegulation FD DisclosureView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Jan 5, 20264Statement of changes in beneficial ownershipView on EDGAR
Dec 10, 2025424B5ProspectusView on EDGAR
Nov 14, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Nov 13, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Nov 6, 20258-KResults of Operations and Financial ConditionView on EDGAR
Nov 6, 202510-QQuarterly reportView on EDGAR
Oct 30, 20254Statement of changes in beneficial ownershipView on EDGAR

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