Foghorn Therapeutics Inc. SEC filings FHTX
Foghorn Therapeutics Inc. has 354 filings in SEC EDGAR's recent list, going back to Aug 28, 2020. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 1, 2026 (exit or restructuring costs, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 3 | Initial insider ownership | Oct 5, 2026 | Oct 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 5, 2026 | — |
| 8-K |
Current report
Exit or restructuring costs, Regulation FD disclosure
|
Oct 1, 2026 | Sep 25, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2026 | Aug 6, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 25, 2026 | Jun 24, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 24, 2026 | Jun 24, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2026 | — |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 7, 2026 | May 7, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 6, 2026 | — |
| ARS | Annual report to shareholders | Apr 30, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 30, 2026 | — |
| DEF 14A | Proxy statement | Apr 30, 2026 | Jun 24, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 21, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 13, 2026 | Apr 9, 2026 |
| S-8 | Employee stock plan registration | Mar 26, 2026 | — |
| 10-K | Annual report | Mar 11, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 11, 2026 | Mar 11, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 23, 2026 |
| 3 | Initial insider ownership | Feb 24, 2026 | Feb 23, 2026 |
| 8-K |
Current report
Officer or director change, Other events
|
Feb 23, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Jan 30, 2026 |
| 4 | Insider transaction | Jan 15, 2026 | Jan 13, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 13, 2026 | — |
| 424B5 | Prospectus supplement | Jan 12, 2026 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jan 12, 2026 | Jan 9, 2026 |
| 8-K |
Current report
Officer or director change
|
Dec 4, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Nov 17, 2025 | Nov 14, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 7, 2025 | Nov 7, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Nov 5, 2025 | Nov 5, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 30, 2025 | Oct 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 2, 2025 | Sep 2, 2025 |
| 10-Q | Quarterly report | Aug 5, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 5, 2025 | Aug 5, 2025 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Jul 1, 2025 | Jun 27, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 17, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 17, 2025 | Jun 17, 2025 |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 14, 2025 | May 14, 2025 |
| ARS | Annual report to shareholders | May 5, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | May 5, 2025 | — |
| DEF 14A | Proxy statement | May 5, 2025 | Jun 17, 2025 |
| 4 | Insider transaction | May 2, 2025 | May 1, 2025 |
| 4 | Insider transaction | May 2, 2025 | May 1, 2025 |
| 3 | Initial insider ownership | May 2, 2025 | May 1, 2025 |
| 3 | Initial insider ownership | May 2, 2025 | May 1, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
May 1, 2025 | Apr 25, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 28, 2025 | Apr 28, 2025 |
| 4 | Insider transaction | Apr 28, 2025 | Apr 25, 2025 |
| 4 | Insider transaction | Apr 10, 2025 | Apr 9, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 24, 2025 | Mar 24, 2025 |
| 8-K |
Current report
Other events
|
Mar 20, 2025 | Mar 20, 2025 |
| 424B5 | Prospectus supplement | Mar 20, 2025 | — |
| 10-K | Annual report | Mar 6, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 6, 2025 | Mar 6, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 3, 2025 | Feb 3, 2025 |
| EFFECT | Filing | Jan 31, 2025 | — |
| CORRESP | Letter to the SEC | Jan 29, 2025 | — |
| UPLOAD | Letter from the SEC | Jan 29, 2025 | — |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| 4 | Insider transaction | Jan 24, 2025 | Jan 22, 2025 |
| S-3 | Shelf registration | Jan 24, 2025 | — |
| S-8 | Employee stock plan registration | Jan 24, 2025 | — |
| 8-K |
Current report
Listing notice
|
Jan 24, 2025 | Jan 23, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 13, 2025 | Jan 13, 2025 |
| 4 | Insider transaction | Dec 30, 2024 | Dec 29, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 30, 2024 | Dec 29, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 16, 2024 | Dec 16, 2024 |
| 10-Q | Quarterly report | Nov 4, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2024 | Nov 4, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 10, 2024 | Oct 10, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 8, 2024 | — |
| 4 | Insider transaction | Sep 24, 2024 | Sep 20, 2024 |
| SC 13G | Ownership over 5% (passive) | Sep 20, 2024 | — |
| 4 | Insider transaction | Sep 20, 2024 | Sep 18, 2024 |
| 4 | Insider transaction | Sep 18, 2024 | Sep 16, 2024 |
| 144 | Notice of proposed sale | Sep 16, 2024 | — |
| 4 | Insider transaction | Sep 11, 2024 | Sep 9, 2024 |
| 144 | Notice of proposed sale | Sep 9, 2024 | — |
| 4 | Insider transaction | Sep 4, 2024 | Sep 3, 2024 |
| 3 | Initial insider ownership | Sep 4, 2024 | Sep 3, 2024 |
| 424B5 | Prospectus supplement | Aug 8, 2024 | — |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 8, 2024 | Aug 8, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 28, 2024 | Jun 26, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 26, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Jun 24, 2024 | Jun 21, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 10, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2024 | Jun 3, 2024 |
| SC 13G | Ownership over 5% (passive) | May 30, 2024 | — |
| 4 | Insider transaction | May 24, 2024 | May 22, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | May 24, 2024 | — |
| 3 | Initial insider ownership | May 24, 2024 | May 22, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 23, 2024 | May 23, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
May 22, 2024 | May 20, 2024 |
| 424B5 | Prospectus supplement | May 20, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 20, 2024 | May 20, 2024 |
| 8-K |
Current report
Other events
|
May 6, 2024 | May 6, 2024 |
| 10-Q | Quarterly report | May 6, 2024 | Mar 31, 2024 |
| S-8 | Employee stock plan registration | May 6, 2024 | — |
| 8-K |
Current report
Results of operations, Other events
|
May 6, 2024 | May 6, 2024 |
| ARS | Annual report to shareholders | May 3, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | May 3, 2024 | — |
| DEF 14A | Proxy statement | May 3, 2024 | Jun 26, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 3 | Initial insider ownership | Apr 17, 2024 | Apr 16, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Apr 16, 2024 | Apr 16, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 9, 2024 | Apr 9, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 7, 2024 | Mar 7, 2024 |
| 10-K | Annual report | Mar 7, 2024 | Dec 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 8, 2024 | Feb 8, 2024 |
| 4 | Insider transaction | Jan 25, 2024 | Jan 24, 2024 |
| 4 | Insider transaction | Jan 25, 2024 | Jan 24, 2024 |
| 4 | Insider transaction | Jan 25, 2024 | Jan 24, 2024 |
| 4 | Insider transaction | Jan 25, 2024 | Jan 24, 2024 |
| 4 | Insider transaction | Jan 25, 2024 | Jan 24, 2024 |
| 4 | Insider transaction | Jan 25, 2024 | Jan 24, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 17, 2024 | Jan 16, 2024 |
| 4 | Insider transaction | Jan 17, 2024 | Jan 16, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 8, 2024 | Jan 8, 2024 |
| 8-K |
Current report
Officer or director change
|
Jan 3, 2024 | Dec 29, 2023 |
| 4 | Insider transaction | Dec 12, 2023 | Dec 8, 2023 |
| 10-Q | Quarterly report | Nov 2, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2023 | Nov 2, 2023 |
| 4 | Insider transaction | Sep 13, 2023 | Sep 11, 2023 |
| 4 | Insider transaction | Sep 13, 2023 | Sep 11, 2023 |
| 3 | Initial insider ownership | Sep 13, 2023 | Sep 11, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 8, 2023 | Sep 8, 2023 |
| 8-K |
Current report
Other events
|
Aug 31, 2023 | Aug 31, 2023 |
| 4 | Insider transaction | Aug 18, 2023 | Aug 16, 2023 |
| 4 | Insider transaction | Aug 18, 2023 | Aug 17, 2023 |
| 144 | Notice of proposed sale | Aug 16, 2023 | — |
| 8-K |
Current report
Agreement ended
|
Aug 10, 2023 | Aug 9, 2023 |
| 8-K |
Current report
Other events
|
Aug 8, 2023 | Aug 3, 2023 |
| 10-Q | Quarterly report | Aug 4, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 4, 2023 | Aug 4, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 28, 2023 | Jun 28, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 21, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 21, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 21, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 21, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 21, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 21, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 21, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 21, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 22, 2023 | Jun 21, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 5, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | May 31, 2023 | May 26, 2023 |
| S-8 | Employee stock plan registration | May 8, 2023 | — |
| 10-Q | Quarterly report | May 8, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 8, 2023 | May 8, 2023 |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | Jun 21, 2023 |
| 8-K |
Current report
Other events
|
Apr 24, 2023 | Apr 24, 2023 |
| 10-K | Annual report | Mar 9, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 9, 2023 | Mar 7, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 8, 2023 | Mar 8, 2023 |
| 4 | Insider transaction | Feb 22, 2023 | Feb 10, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
Showing 200 filings, the most recent 200. 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
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- FHTX (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Cambridge, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1822462
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.