C4 Therapeutics CCCC SEC Filings

NASDAQ CCCC
$3.17 +0.01 (+0.32%)
At close: Oct 21, 2026 · 4:00 PM EDT
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
14Insider Transaction0001470831-26-000925Oct 2, 2026 12:43 AM
24Insider Transaction0001470831-26-000924Oct 2, 2026 12:43 AM
38-KCurrent Report0001628280-26-063497Sep 25, 2026 7:04 AM-
44Insider Transaction0001470831-26-000895Sep 21, 2026 8:24 PM
5144Insider Transaction0001950047-26-008065Aug 13, 2026 8:18 PM
6144Insider Transaction0001950047-26-008039Aug 12, 2026 9:31 PM
710-QQuarterly & Annual Report0001628280-26-055494Aug 11, 2026 7:29 AM
88-KCurrent Report0001628280-26-055490Aug 11, 2026 7:14 AM
9SCHEDULE 13GBeneficial Ownership Report0002012383-26-002217Jul 27, 2026 8:25 PM
104Insider Transaction0001470831-26-000705Jul 13, 2026 8:33 PM
114Insider Transaction0001470831-26-000688Jul 2, 2026 8:04 PM
124Insider Transaction0001470831-26-000689Jul 2, 2026 8:04 PM
134Insider Transaction0001470831-26-000673Jun 26, 2026 12:33 AM
144Insider Transaction0001470831-26-000670Jun 26, 2026 12:26 AM
154Insider Transaction0001470831-26-000667Jun 26, 2026 8:31 PM
164Insider Transaction0001470831-26-000665Jun 26, 2026 8:30 PM
174Insider Transaction0001470831-26-000663Jun 26, 2026 8:29 PM
184Insider Transaction0001470831-26-000661Jun 26, 2026 8:28 PM
194Insider Transaction0001470831-26-000659Jun 26, 2026 8:27 PM
204Insider Transaction0001470831-26-000657Jun 26, 2026 8:25 PM
218-KCurrent Report0001628280-26-045194Jun 24, 2026 8:22 PM
228-KCurrent Report0001628280-26-042365Jun 11, 2026 7:04 AM
234Insider Transaction0001470831-26-000504Jun 4, 2026 8:14 PM
24144Insider Transaction0001193125-26-245847May 28, 2026 12:31 AM
25SCHEDULE 13GBeneficial Ownership Report0002050709-26-000018May 19, 2026 8:09 PM
26SCHEDULE 13GBeneficial Ownership Report0000919574-26-003479May 15, 2026 8:20 PM
278-KCurrent Report0001628280-26-035542May 15, 2026 8:03 PM
28SCHEDULE 13GBeneficial Ownership Report0000919574-26-003216May 15, 2026 12:10 PM
2910-QQuarterly & Annual Report0001628280-26-033865May 12, 2026 7:07 AM
308-KCurrent Report0001628280-26-033861May 12, 2026 7:05 AM
31ARSOthers0001628280-26-028109Apr 29, 2026 11:03 AM
32DEFA14AOthers0001628280-26-028108Apr 29, 2026 11:02 AM
33DEF 14AOthers0001628280-26-028104Apr 29, 2026 11:00 AM
34SCHEDULE 13GBeneficial Ownership Report0000814133-26-000050Apr 22, 2026 9:27 PM
358-KCurrent Report0001628280-26-024583Apr 10, 2026 11:17 AM
368-KCurrent Report0001628280-26-024336Apr 9, 2026 11:07 AM
374Insider Transaction0001470831-26-000346Apr 3, 2026 2:45 PM
384Insider Transaction0001470831-26-000346Apr 3, 2026 2:45 PM
394Insider Transaction0001470831-26-000346Apr 3, 2026 2:45 PM
404Insider Transaction0001470831-26-000345Apr 3, 2026 2:45 PM
414Insider Transaction0001470831-26-000345Apr 3, 2026 2:45 PM
424Insider Transaction0001470831-26-000345Apr 3, 2026 2:45 PM
43144Insider Transaction0001950047-26-002361Mar 9, 2026 8:20 PM
44S-8Prospectus0001628280-26-012002Feb 26, 2026 12:51 PM
4510-KQuarterly & Annual Report0001628280-26-012000Feb 26, 2026 12:49 PM
468-KCurrent Report0001628280-26-011971Feb 26, 2026 12:09 PM
474Insider Transaction0001470831-26-000180Feb 18, 2026 10:05 PM
484Insider Transaction0001470831-26-000180Feb 18, 2026 10:05 PM
494Insider Transaction0001470831-26-000180Feb 18, 2026 10:05 PM
504Insider Transaction0001470831-26-000179Feb 18, 2026 10:05 PM
...

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