C4 Therapeutics CCCC SEC Filings

NASDAQ CCCC
$2.89 -0.11 (-3.67%)
At close: Nov 11, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing C4 Therapeutics, Inc. (CCCC) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
110-QQuarterly & Annual Report0001628280-26-070575Nov 5, 2026 12:24 PM
28-KCurrent Report0001628280-26-070560Nov 5, 2026 12:15 PM
34Insider Transaction0001470831-26-000925Oct 2, 2026 12:43 AM
44Insider Transaction0001470831-26-000924Oct 2, 2026 12:43 AM
58-KCurrent Report0001628280-26-063497Sep 25, 2026 11:04 AM
64Insider Transaction0001470831-26-000895Sep 21, 2026 8:24 PM
7144Insider Transaction0001950047-26-008193Aug 14, 2026 11:14 PM
8144Insider Transaction0001950047-26-008190Aug 14, 2026 10:56 PM
9SCHEDULE 13GBeneficial Ownership Report0001231919-26-000920Aug 14, 2026 8:40 PM
10SCHEDULE 13GBeneficial Ownership Report0000902664-26-003524Aug 14, 2026 8:32 PM
11SCHEDULE 13GBeneficial Ownership Report0002050709-26-000022Aug 14, 2026 4:54 PM
12144Insider Transaction0001950047-26-008065Aug 13, 2026 8:18 PM
13144Insider Transaction0001950047-26-008039Aug 12, 2026 9:31 PM
14SCHEDULE 13GBeneficial Ownership Report0000895421-26-000231Aug 12, 2026 8:41 PM
1510-QQuarterly & Annual Report0001628280-26-055494Aug 11, 2026 11:29 AM
168-KCurrent Report0001628280-26-055490Aug 11, 2026 11:14 AM
17SCHEDULE 13GBeneficial Ownership Report0002012383-26-002217Jul 27, 2026 8:25 PM
184Insider Transaction0001470831-26-000705Jul 13, 2026 8:33 PM
194Insider Transaction0001470831-26-000688Jul 2, 2026 8:04 PM
204Insider Transaction0001470831-26-000689Jul 2, 2026 8:04 PM
214Insider Transaction0001470831-26-000673Jun 26, 2026 12:33 AM
224Insider Transaction0001470831-26-000670Jun 26, 2026 12:26 AM
234Insider Transaction0001470831-26-000667Jun 26, 2026 8:31 PM
244Insider Transaction0001470831-26-000665Jun 26, 2026 8:30 PM
254Insider Transaction0001470831-26-000663Jun 26, 2026 8:29 PM
264Insider Transaction0001470831-26-000661Jun 26, 2026 8:28 PM
274Insider Transaction0001470831-26-000659Jun 26, 2026 8:27 PM
284Insider Transaction0001470831-26-000657Jun 26, 2026 8:25 PM
298-KCurrent Report0001628280-26-045194Jun 24, 2026 8:22 PM
308-KCurrent Report0001628280-26-042365Jun 11, 2026 11:04 AM
314Insider Transaction0001470831-26-000504Jun 4, 2026 8:14 PM
32144Insider Transaction0001193125-26-245847May 28, 2026 12:31 AM
33SCHEDULE 13GBeneficial Ownership Report0002050709-26-000018May 19, 2026 8:09 PM
34SCHEDULE 13GBeneficial Ownership Report0000919574-26-003479May 15, 2026 8:20 PM
358-KCurrent Report0001628280-26-035542May 15, 2026 8:03 PM
36SCHEDULE 13GBeneficial Ownership Report0000919574-26-003216May 15, 2026 12:10 PM
3710-QQuarterly & Annual Report0001628280-26-033865May 12, 2026 11:07 AM
388-KCurrent Report0001628280-26-033861May 12, 2026 11:05 AM
39ARSOthers0001628280-26-028109Apr 29, 2026 11:03 AM
40DEFA14AOthers0001628280-26-028108Apr 29, 2026 11:02 AM
41DEF 14AOthers0001628280-26-028104Apr 29, 2026 11:00 AM
42SCHEDULE 13GBeneficial Ownership Report0000814133-26-000050Apr 22, 2026 9:27 PM
438-KCurrent Report0001628280-26-024583Apr 10, 2026 11:17 AM
448-KCurrent Report0001628280-26-024336Apr 9, 2026 11:07 AM
454Insider Transaction0001470831-26-000346Apr 3, 2026 2:45 PM
464Insider Transaction0001470831-26-000345Apr 3, 2026 2:45 PM
47144Insider Transaction0001950047-26-002361Mar 9, 2026 8:20 PM
48S-8Prospectus0001628280-26-012002Feb 26, 2026 12:51 PM
4910-KQuarterly & Annual Report0001628280-26-012000Feb 26, 2026 12:49 PM
508-KCurrent Report0001628280-26-011971Feb 26, 2026 12:09 PM
...

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