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 | — |
| 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 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 6, 2026 | — |
| 4 | Insider transaction | Apr 13, 2026 | Apr 9, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 23, 2026 |
| 3 | Initial insider ownership | Feb 24, 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 | — |
| 4 | Insider transaction | Nov 17, 2025 | Nov 14, 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 |
| 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 |
| 4 | Insider transaction | Apr 28, 2025 | Apr 25, 2025 |
| 4 | Insider transaction | Apr 10, 2025 | Apr 9, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 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 |
| 4 | Insider transaction | Dec 30, 2024 | Dec 29, 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 |
| 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 |
| 4 | Insider transaction | Jun 24, 2024 | Jun 21, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 10, 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 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 3 | Initial insider ownership | Apr 17, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 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 |
| 4 | Insider transaction | Jan 17, 2024 | Jan 16, 2024 |
| 4 | Insider transaction | Dec 12, 2023 | Dec 8, 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 |
| 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 | — |
| 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 |
| 4 | Insider transaction | May 31, 2023 | May 26, 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 |
| 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 |
| 4 | Insider transaction | Jan 30, 2023 | Jan 26, 2023 |
| 4 | Insider transaction | Oct 31, 2022 | Oct 27, 2022 |
| 3 | Initial insider ownership | Oct 31, 2022 | Oct 27, 2022 |
| 4 | Insider transaction | Sep 19, 2022 | Sep 16, 2022 |
| 4 | Insider transaction | Sep 14, 2022 | Sep 12, 2022 |
| 3/A | Primary document | Sep 13, 2022 | Apr 27, 2021 |
| 3/A | Primary document | Sep 9, 2022 | Aug 16, 2022 |
| 3/A | Primary document | Sep 9, 2022 | Aug 1, 2022 |
| 3/A | Primary document | Sep 9, 2022 | Feb 14, 2022 |
| 4 | Insider transaction | Sep 2, 2022 | Aug 31, 2022 |
| 4 | Insider transaction | Aug 18, 2022 | Aug 16, 2022 |
| 3 | Initial insider ownership | Aug 18, 2022 | Aug 16, 2022 |
| 4 | Insider transaction | Aug 15, 2022 | Aug 11, 2022 |
| 4 | Insider transaction | Aug 3, 2022 | Aug 1, 2022 |
| 3 | Initial insider ownership | Aug 3, 2022 | Aug 1, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 21, 2022 |
| 4 | Insider transaction | May 27, 2022 | May 25, 2022 |
| 3 | Initial insider ownership | Feb 24, 2022 | Feb 14, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| 4 | Insider transaction | Jan 28, 2022 | Jan 26, 2022 |
| 4 | Insider transaction | Jan 28, 2022 | Jan 26, 2022 |
| 4 | Insider transaction | Jan 28, 2022 | Jan 26, 2022 |
| 4 | Insider transaction | Jan 28, 2022 | Jan 26, 2022 |
| 4 | Insider transaction | Jan 28, 2022 | Jan 26, 2022 |
| 3 | Initial insider ownership | Jan 11, 2022 | Jan 10, 2022 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 14, 2021 |
| 4 | Insider transaction | Dec 13, 2021 | Dec 9, 2021 |
| SC 13G | Ownership over 5% (passive) | Dec 13, 2021 | — |
| 4 | Insider transaction | Aug 23, 2021 | Aug 20, 2021 |
| 4 | Insider transaction | Aug 11, 2021 | Aug 9, 2021 |
| 4 | Insider transaction | Jul 14, 2021 | Jul 13, 2021 |
| 4 | Insider transaction | Jul 14, 2021 | Jul 13, 2021 |
| 4 | Insider transaction | Jul 14, 2021 | Jul 13, 2021 |
| 4 | Insider transaction | Jul 14, 2021 | Jul 13, 2021 |
| 4 | Insider transaction | Jul 14, 2021 | Jul 13, 2021 |
| 4 | Insider transaction | Jul 14, 2021 | Jul 13, 2021 |
| 4 | Insider transaction | Jun 24, 2021 | Jun 23, 2021 |
| 4 | Insider transaction | Apr 29, 2021 | Apr 27, 2021 |
| 3 | Initial insider ownership | Apr 29, 2021 | Apr 27, 2021 |
| SC 13G | Ownership over 5% (passive) | Apr 19, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 4, 2021 | — |
| 4 | Insider transaction | Feb 1, 2021 | Jan 28, 2021 |
| 4 | Insider transaction | Feb 1, 2021 | Jan 28, 2021 |
| 4 | Insider transaction | Feb 1, 2021 | Jan 28, 2021 |
| 4 | Insider transaction | Feb 1, 2021 | Jan 28, 2021 |
| 4 | Insider transaction | Nov 18, 2020 | Nov 17, 2020 |
| 3 | Initial insider ownership | Nov 13, 2020 | Nov 9, 2020 |
| 3 | Initial insider ownership | Nov 13, 2020 | Oct 22, 2020 |
| 4 | Insider transaction | Oct 29, 2020 | Oct 27, 2020 |
| SC 13D | Ownership over 5% (active) | Oct 29, 2020 | — |
| 4 | Insider transaction | Oct 29, 2020 | Oct 27, 2020 |
| 4 | Insider transaction | Oct 29, 2020 | Oct 27, 2020 |
| 4 | Insider transaction | Oct 28, 2020 | Oct 27, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
| 3 | Initial insider ownership | Oct 22, 2020 | Oct 22, 2020 |
Showing 180 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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
Other Pharmaceutical Preparations companies
- ELI LILLY & Co LLY
- Johnson & Johnson JNJ
- AbbVie Inc. ABBV
- Merck & Co., Inc. MRK
- Novartis AG NVS
- Astrazeneca PLC AZN
- Abbott Laboratories ABT
- Novo Nordisk A S NVO
Source: SEC EDGAR filings. This is company-reported data, not investment advice.