Prime Medicine, Inc. SEC filings PRME
Prime Medicine, Inc. has 298 filings in SEC EDGAR's recent list, going back to Dec 20, 2021. Its latest annual report, Form ARS, was filed on Apr 23, 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 Aug 6, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 8, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 16, 2026 |
| 3 | Initial insider ownership | Apr 17, 2026 | Apr 16, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 23, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 11, 2025 | — |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 1, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 1, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 1, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Jul 1, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Jun 23, 2025 | Jun 23, 2025 |
| 4 | Insider transaction | Jun 16, 2025 | Jun 16, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 22, 2025 | May 21, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 19, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 8, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 5, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 22, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 4 | Insider transaction | Oct 10, 2024 | Oct 8, 2024 |
| SC 13G | Ownership over 5% (passive) | Oct 4, 2024 | — |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 12, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 21, 2024 | May 17, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Feb 29, 2024 |
| 3 | Initial insider ownership | Feb 29, 2024 | Feb 20, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 29, 2024 | — |
| 4 | Insider transaction | Feb 27, 2024 | Feb 25, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Feb 23, 2024 | Feb 21, 2024 |
| SC 13D | Ownership over 5% (active) | Feb 22, 2024 | — |
| 4 | Insider transaction | Feb 20, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 15, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Jan 19, 2024 | Jan 17, 2024 |
| 3 | Initial insider ownership | Jan 19, 2024 | Jan 17, 2024 |
| 4 | Insider transaction | Nov 14, 2023 | Nov 11, 2023 |
| 4/A | Form 4/a | Jul 26, 2023 | Jul 21, 2023 |
| 4 | Insider transaction | Jul 25, 2023 | Jul 21, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 144 | Notice of proposed sale | Jun 20, 2023 | — |
| 4 | Insider transaction | Jun 20, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 16, 2023 | Jun 14, 2023 |
| 4 | Insider transaction | Jun 15, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Jun 13, 2023 | Jun 9, 2023 |
| 144 | Notice of proposed sale | Jun 12, 2023 | — |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 4 | Insider transaction | Jun 7, 2023 | Jun 5, 2023 |
| 144 | Notice of proposed sale | Jun 5, 2023 | — |
| 4 | Insider transaction | Jun 2, 2023 | May 31, 2023 |
| 4 | Insider transaction | May 31, 2023 | May 26, 2023 |
| 144 | Notice of proposed sale | May 30, 2023 | — |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 24, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 144 | Notice of proposed sale | May 18, 2023 | — |
| 4 | Insider transaction | May 18, 2023 | May 16, 2023 |
| 4 | Insider transaction | May 16, 2023 | May 12, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 10, 2023 |
| 3 | Initial insider ownership | May 12, 2023 | May 10, 2023 |
| 4 | Insider transaction | May 12, 2023 | May 10, 2023 |
| 4 | Insider transaction | May 10, 2023 | May 8, 2023 |
| 144 | Notice of proposed sale | May 8, 2023 | — |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Apr 4, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 4, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 4, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 4, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 4, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Apr 4, 2023 | Mar 31, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 7, 2023 | — |
| 4 | Insider transaction | Oct 26, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 26, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 26, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 26, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 26, 2022 | Oct 24, 2022 |
| 4 | Insider transaction | Oct 26, 2022 | Oct 24, 2022 |
| SC 13G | Ownership over 5% (passive) | Oct 26, 2022 | — |
| 3/A | Form 3/a | Oct 24, 2022 | Oct 19, 2022 |
| 4 | Insider transaction | Oct 21, 2022 | Oct 19, 2022 |
| 4 | Insider transaction | Oct 21, 2022 | Oct 19, 2022 |
| 4 | Insider transaction | Oct 21, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
| 3 | Initial insider ownership | Oct 19, 2022 | Oct 19, 2022 |
Showing 164 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
- PRME (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Cambridge, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company, Emerging growth company
- SEC CIK
- 1894562
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.