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C4 Therapeutics, Inc.

CCCC
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001662579

No open-market purchases or sales by C4 Therapeutics, Inc. insiders were filed in the last 90 days; 148 institutions reported holding it in 13F filings for Q2 2026, worth $547.9M in total; no superinvestor holds it.

SEC filings

10-K, 10-Q, 8-K, 20-F and 40-F reports C4 Therapeutics, Inc. filed with the SEC, newest first.

Livermore lists each filing's form, 8-K items and dates only. To read a filing, open it on SEC.gov; an 8-K's press release or other attachments, such as exhibit 99.1 for Item 2.02, are in the filing index.

SEC filings by C4 Therapeutics, Inc.
FiledForm8-K itemsPeriodDocumentFiling index
Nov 5, 202610-Q–Sep 30, 2026SECIndex
Nov 5, 20268-K2.029.01Nov 5, 2026SECIndex
Sep 25, 20268-K7.018.019.01Sep 25, 2026SECIndex
Aug 11, 202610-Q–Jun 30, 2026SECIndex
Aug 11, 20268-K2.029.01Aug 11, 2026SECIndex
Jun 24, 20268-K5.079.01Jun 24, 2026SECIndex
Jun 11, 20268-K7.018.019.01Jun 11, 2026SECIndex
May 15, 20268-K5.02May 15, 2026SECIndex
May 12, 202610-Q–Mar 31, 2026SECIndex
May 12, 20268-K2.027.019.01May 12, 2026SECIndex
Apr 10, 20268-K5.039.01Apr 10, 2026SECIndex
Apr 9, 20268-K1.017.019.01Apr 9, 2026SECIndex
Feb 26, 202610-K–Dec 31, 2025SECIndex
Feb 26, 20268-K2.029.01Feb 26, 2026SECIndex
Jan 14, 20268-K7.019.01Jan 14, 2026SECIndex
Nov 6, 202510-Q–Sep 30, 2025SECIndex
Nov 6, 20258-K2.029.01Nov 6, 2025SECIndex
Oct 16, 20258-K8.01Oct 16, 2025SECIndex
Oct 16, 20258-K1.019.01Oct 16, 2025SECIndex
Oct 1, 20258-K7.018.019.01Oct 1, 2025SECIndex
Sep 22, 20258-K7.018.019.01Sep 22, 2025SECIndex
Aug 7, 202510-Q–Jun 30, 2025SECIndex
Aug 7, 20258-K2.027.018.019.01Aug 7, 2025SECIndex
Jun 18, 20258-K5.035.079.01Jun 18, 2025SECIndex
May 7, 202510-Q–Mar 31, 2025SECIndex
May 7, 20258-K2.027.018.019.01May 7, 2025SECIndex
Apr 14, 20258-K5.02Apr 14, 2025SECIndex
Feb 27, 202510-K–Dec 31, 2024SECIndex
Feb 27, 20258-K2.029.01Feb 27, 2025SECIndex
Jan 14, 20258-K2.027.01Jan 14, 2025SECIndex
Dec 9, 20248-K8.019.01Dec 9, 2024SECIndex
Nov 20, 20248-K5.027.019.01Nov 20, 2024SECIndex
Oct 31, 202410-Q–Sep 30, 2024SECIndex
Oct 31, 20248-K2.029.01Oct 31, 2024SECIndex
Oct 16, 20248-K/A5.027.019.01Oct 15, 2024SECIndex
Oct 15, 20248-K5.027.019.01Oct 15, 2024SECIndex
Oct 11, 20248-K5.029.01Oct 11, 2024SECIndex
Sep 3, 20248-K5.027.019.01Sep 3, 2024SECIndex
Aug 1, 202410-Q–Jun 30, 2024SECIndex
Aug 1, 20248-K2.02Aug 1, 2024SECIndex
Jun 21, 20248-K5.07Jun 21, 2024SECIndex
Jun 10, 20248-K5.027.019.01Jun 10, 2024SECIndex
May 8, 202410-Q–Mar 31, 2024SECIndex
May 8, 20248-K2.029.01May 8, 2024SECIndex
Mar 8, 20248-K5.02Mar 8, 2024SECIndex
Mar 4, 20248-K1.017.019.01Mar 4, 2024SECIndex
Feb 22, 202410-K–Dec 31, 2023SECIndex
Feb 22, 20248-K2.029.01Feb 22, 2024SECIndex
Jan 11, 20248-K7.019.01Jan 11, 2024SECIndex
Jan 9, 20248-K2.057.019.01Jan 9, 2024SECIndex