Prelude Therapeutics Inc SEC filings PRLD
Prelude Therapeutics Inc has 389 filings in SEC EDGAR's recent list, going back to Jul 11, 2016. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. 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 10, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 8, 2026 | — |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | Jun 10, 2026 | Jun 9, 2026 |
| 4 | Insider transaction | May 4, 2026 | May 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 28, 2026 | — |
| 4 | Insider transaction | Apr 28, 2026 | Apr 27, 2026 |
| 3 | Initial insider ownership | Apr 28, 2026 | Apr 21, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 23, 2026 | — |
| 4 | Insider transaction | Apr 23, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 21, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 22, 2026 | — |
| 4 | Insider transaction | Apr 22, 2026 | Apr 21, 2026 |
| 3 | Initial insider ownership | Apr 15, 2026 | Apr 15, 2026 |
| 3 | Initial insider ownership | Mar 19, 2026 | Mar 5, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 4 | Insider transaction | Feb 5, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 4, 2026 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 5, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 7, 2025 | — |
| 4 | Insider transaction | Oct 20, 2025 | Oct 17, 2025 |
| 3 | Initial insider ownership | Oct 20, 2025 | Oct 17, 2025 |
| 4 | Insider transaction | Oct 7, 2025 | Oct 4, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 4, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 13, 2025 | — |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 3 | Initial insider ownership | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Mar 27, 2025 | Mar 25, 2025 |
| 4 | Insider transaction | Mar 27, 2025 | Mar 25, 2025 |
| 4 | Insider transaction | Mar 24, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 14, 2025 | Mar 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 5, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 4, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 20, 2024 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 19, 2024 |
| 4 | Insider transaction | Dec 20, 2024 | Dec 18, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 4, 2024 |
| 4 | Insider transaction | Jul 8, 2024 | Jul 4, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 14, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 14, 2024 |
| 4 | Insider transaction | Apr 8, 2024 | Apr 4, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 10, 2024 | — |
| 4 | Insider transaction | Jan 8, 2024 | Jan 4, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 13, 2023 | — |
| 4 | Insider transaction | Dec 13, 2023 | Dec 13, 2023 |
| SC 13G | Ownership over 5% (passive) | Nov 13, 2023 | — |
| 4 | Insider transaction | Oct 6, 2023 | Oct 4, 2023 |
| 4 | Insider transaction | Jul 6, 2023 | Jul 4, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 16, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 16, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 16, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 16, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 16, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 16, 2023 |
| 4 | Insider transaction | May 26, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 25, 2023 | May 24, 2023 |
| 4 | Insider transaction | May 25, 2023 | May 23, 2023 |
| 4 | Insider transaction | May 25, 2023 | May 23, 2023 |
| 4 | Insider transaction | May 24, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 24, 2023 | May 22, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | May 24, 2023 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 24, 2023 | — |
| 4 | Insider transaction | May 24, 2023 | May 22, 2023 |
| 4 | Insider transaction | Apr 6, 2023 | Apr 4, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Mar 1, 2023 |
| 3 | Initial insider ownership | Feb 22, 2023 | Feb 20, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| 4 | Insider transaction | Dec 22, 2022 | Dec 21, 2022 |
| 4 | Insider transaction | Dec 21, 2022 | Dec 20, 2022 |
| 4 | Insider transaction | Dec 12, 2022 | Dec 8, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 22, 2022 | Jun 17, 2022 |
| 4 | Insider transaction | Jun 1, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | May 4, 2022 | May 2, 2022 |
| 3 | Initial insider ownership | Apr 6, 2022 | Apr 4, 2022 |
| 4 | Insider transaction | Apr 4, 2022 | Mar 31, 2022 |
| 4 | Insider transaction | Mar 22, 2022 | Mar 21, 2022 |
| 4 | Insider transaction | Feb 17, 2022 | Feb 15, 2022 |
| 4 | Insider transaction | Feb 17, 2022 | Feb 15, 2022 |
| 4 | Insider transaction | Feb 17, 2022 | Feb 15, 2022 |
| 4 | Insider transaction | Feb 17, 2022 | Feb 15, 2022 |
| 4 | Insider transaction | Feb 17, 2022 | Feb 15, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| 4 | Insider transaction | Jan 5, 2022 | Jan 3, 2022 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 15, 2021 |
| 4 | Insider transaction | Dec 15, 2021 | Dec 13, 2021 |
| 4 | Insider transaction | Dec 14, 2021 | Dec 13, 2021 |
| 4 | Insider transaction | Dec 14, 2021 | Dec 13, 2021 |
| 4 | Insider transaction | Dec 1, 2021 | Nov 29, 2021 |
| 3 | Initial insider ownership | Dec 1, 2021 | Nov 29, 2021 |
| 4 | Insider transaction | Nov 18, 2021 | Nov 16, 2021 |
| 4 | Insider transaction | Oct 14, 2021 | Oct 13, 2021 |
| 4 | Insider transaction | Oct 6, 2021 | Oct 5, 2021 |
| 4 | Insider transaction | Sep 9, 2021 | Sep 7, 2021 |
| 4 | Insider transaction | Sep 7, 2021 | Sep 2, 2021 |
| 4 | Insider transaction | Aug 30, 2021 | Aug 26, 2021 |
| 4 | Insider transaction | Aug 27, 2021 | Aug 25, 2021 |
| 4 | Insider transaction | Aug 17, 2021 | Aug 13, 2021 |
| 4 | Insider transaction | Aug 9, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Jul 29, 2021 | Jul 27, 2021 |
| 4 | Insider transaction | Jul 22, 2021 | Jul 20, 2021 |
| 4 | Insider transaction | Jul 22, 2021 | Jul 20, 2021 |
| 4 | Insider transaction | Jul 22, 2021 | Jul 20, 2021 |
| 4 | Insider transaction | Jul 22, 2021 | Jul 20, 2021 |
| 4 | Insider transaction | Jul 22, 2021 | Jul 20, 2021 |
| 4 | Insider transaction | Jul 22, 2021 | Jul 20, 2021 |
| 4 | Insider transaction | Jul 22, 2021 | Jul 20, 2021 |
| 4 | Insider transaction | Jul 20, 2021 | Jul 19, 2021 |
| 3 | Initial insider ownership | Jul 20, 2021 | Jul 19, 2021 |
| 4 | Insider transaction | Jul 8, 2021 | Jul 6, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 18, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 18, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 18, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 18, 2021 |
| 4 | Insider transaction | Jun 22, 2021 | Jun 18, 2021 |
| 4 | Insider transaction | Jun 9, 2021 | Jun 7, 2021 |
| 4 | Insider transaction | May 27, 2021 | May 25, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 7, 2021 |
| 4 | Insider transaction | May 10, 2021 | May 5, 2021 |
| 4 | Insider transaction | Apr 30, 2021 | Apr 29, 2021 |
| 4 | Insider transaction | Apr 30, 2021 | Apr 29, 2021 |
| 4 | Insider transaction | Apr 29, 2021 | Apr 27, 2021 |
| 4 | Insider transaction | Apr 21, 2021 | Apr 19, 2021 |
| 4 | Insider transaction | Apr 15, 2021 | Apr 8, 2021 |
| 4 | Insider transaction | Apr 15, 2021 | Apr 8, 2021 |
| 4 | Insider transaction | Apr 15, 2021 | Apr 8, 2021 |
| 4 | Insider transaction | Apr 15, 2021 | Apr 8, 2021 |
| 4 | Insider transaction | Apr 9, 2021 | Apr 7, 2021 |
| 4 | Insider transaction | Apr 9, 2021 | Apr 7, 2021 |
| 4 | Insider transaction | Apr 9, 2021 | Apr 7, 2021 |
| 4 | Insider transaction | Apr 9, 2021 | Apr 7, 2021 |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2021 | — |
| 4 | Insider transaction | Jan 29, 2021 | Jan 27, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 29, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 14, 2021 | — |
| 4 | Insider transaction | Jan 13, 2021 | Jan 11, 2021 |
| 4 | Insider transaction | Jan 12, 2021 | Jan 11, 2021 |
| 4 | Insider transaction | Jan 12, 2021 | Jan 11, 2021 |
| SC 13D | Ownership over 5% (active) | Oct 5, 2020 | — |
| 4/A | Form 4/a submission | Sep 30, 2020 | Mar 27, 2020 |
| 4 | Insider transaction | Sep 30, 2020 | Mar 27, 2020 |
| 4 | Insider transaction | Sep 30, 2020 | Mar 27, 2020 |
| 4 | Insider transaction | Sep 30, 2020 | Mar 27, 2020 |
| SC 13D | Ownership over 5% (active) | Sep 30, 2020 | — |
| 4 | Insider transaction | Sep 29, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 29, 2020 | Sep 25, 2020 |
| 4 | Insider transaction | Sep 29, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 29, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 29, 2020 | Sep 29, 2020 |
| 4 | Insider transaction | Sep 29, 2020 | Sep 29, 2020 |
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
- PRLD (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Wilmington, DE
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1678660
- Former names
- Prelude Therapeutics Inc. (until Oct 20, 2017)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.