C4 Therapeutics, Inc. SEC filings CCCC
C4 Therapeutics, Inc. has 546 filings in SEC EDGAR's recent list, going back to Jan 11, 2016. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Apr 29, 2026. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Sep 25, 2026 (regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Feb 26, 2026 | — |
| 424B5 | Prospectus supplement | Dec 10, 2025 | — |
| S-3 | Shelf registration | Nov 21, 2025 | — |
| 424B5 | Prospectus supplement | Oct 16, 2025 | — |
| FWP | Free writing prospectus | Oct 16, 2025 | — |
| S-8 | Employee stock plan registration | Feb 27, 2025 | — |
| 424B3 | Prospectus | Nov 15, 2024 | — |
| 424B5 | Prospectus supplement | Nov 15, 2024 | — |
| S-3 | Shelf registration | Oct 31, 2024 | — |
| S-3 | Shelf registration | Oct 31, 2024 | — |
| S-8 | Employee stock plan registration | Feb 22, 2024 | — |
| S-8 | Employee stock plan registration | Feb 23, 2023 | — |
| POS AM | Filing | Feb 23, 2023 | — |
| S-8 | Employee stock plan registration | Feb 24, 2022 | — |
| S-3ASR | Automatic shelf registration | Nov 10, 2021 | — |
| 424B4 | Prospectus | Jun 21, 2021 | — |
| S-1 | Registration statement | Jun 14, 2021 | — |
| S-8 | Employee stock plan registration | Mar 11, 2021 | — |
| S-8 | Employee stock plan registration | Oct 2, 2020 | — |
| 424B4 | Prospectus | Oct 2, 2020 | — |
| S-1MEF | Filing | Oct 1, 2020 | — |
| S-1/A | Amended registration statement | Sep 28, 2020 | — |
| S-1 | Registration statement | Sep 10, 2020 | — |
Showing 23 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- CCCC (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Watertown, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1662579
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.