C4 Therapeutics, Inc.
41 SEC EDGAR filings indexed (CIK 0001662579) across 13 form types.
Filing profile
C4 Therapeutics, Inc. (CCCC) has 41 SEC filings indexed on SecFilingDex, across 13 form types filed over roughly 2 years, from November 8, 2024 to August 11, 2026. The filer is classified under Biological Products (SIC 2836).
Its most frequent disclosure is the 8-K (Material event) with 8 filings — Current report announcing a material event, such as an acquisition, executive change, or earnings release. 24 of these filings were disclosed in the twelve months to August 11, 2026. 6 of the 41 are amendments (a corrected or updated version of an earlier filing).
Disclosure mix
- 88-KMaterial event · event-driven
- 8Form 4Insider transaction · within 2 business days of transaction
- 510-QQuarterly report · quarterly
- 5SC 13G/A5%+ passive stake · event-driven
- 3424B5Prospectus supplement · event-driven
- 2DEF 14AProxy statement · annual (pre-meeting)
- 2DEFA14ASEC filing
- 210-KAnnual report · annual
- 2SC 13G5%+ passive stake · event-driven
- 1Form 4/AInsider transaction · within 2 business days of transaction
- 1PRE 14ASEC filing
- 1Form 3Initial insider ownership · within 10 days of becoming an insider
- 1424B3Updated prospectus · event-driven
Profile derived from 41 indexed filings; every figure traces to the filing records above, each linking back to its original SEC EDGAR document. Filing counts reflect SecFilingDex's current index, not the filer's complete EDGAR history.
All filings
- 8-K0001628280-26-055490
- 10-Q0001628280-26-055494
- Form 40001470831-26-000705
- Form 40001470831-26-000688
- Form 40001470831-26-000689
- Form 40001470831-26-000663
- Form 40001470831-26-000665
- Form 40001470831-26-000667
- Form 40001470831-26-000670
- Form 40001470831-26-000673
- 8-K0001628280-26-045194
- 8-K0001628280-26-042365
- 8-K0001628280-26-035542
- 8-K0001628280-26-033861
- 10-Q0001628280-26-033865
- DEF 14A0001628280-26-028104
- DEFA14A0001628280-26-028108
- 8-K0001628280-26-024583
- 8-K0001628280-26-024336
- 8-K0001628280-26-011971
- 10-K0001628280-26-012000
- 424B50001193125-25-314449
- 10-Q0001628280-25-049854
- 424B50001193125-25-241586
- 10-Q0001628280-25-038587
- Form 4/A0001662579-25-000057
- 10-Q0001628280-25-022866
- DEF 14A0001628280-25-020466
- DEFA14A0001628280-25-020467
- PRE 14A0001628280-25-017927
- 10-K0001628280-25-008433
- Form 30001662579-24-000107
- 424B50001628280-24-048088
- 424B30001628280-24-048091
- SC 13G/A0000080255-24-001455
- SC 13G/A0000902664-24-006516
- SC 13G/A0000902664-24-006655
- SC 13G0000947871-24-000915
- SC 13G/A0001213900-24-098320
- SC 13G/A0001493152-24-045843
- SC 13G0002012383-24-003684
Authoritative source
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