Regeneron Pharmaceuticals, Inc. SEC filings REGN
Regeneron Pharmaceuticals, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Sep 13, 2017. Its latest annual report, Form ARS, was filed on Apr 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 5, 2026 | Nov 3, 2026 |
| 13F-HR | Filing | Nov 5, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Nov 5, 2026 | Nov 3, 2026 |
| 144 | Notice of proposed sale | Nov 4, 2026 | — |
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| 144 | Notice of proposed sale | Nov 4, 2026 | — |
| 4 | Insider transaction | Nov 3, 2026 | Oct 30, 2026 |
| 144 | Notice of proposed sale | Nov 3, 2026 | — |
| 4 | Insider transaction | Nov 3, 2026 | Oct 30, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Oct 30, 2026 |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 144 | Notice of proposed sale | Oct 30, 2026 | — |
| 144 | Notice of proposed sale | Oct 30, 2026 | — |
| 144 | Notice of proposed sale | Oct 30, 2026 | — |
| 4 | Insider transaction | Oct 15, 2026 | Oct 13, 2026 |
| 144 | Notice of proposed sale | Oct 14, 2026 | — |
| 4 | Insider transaction | Sep 3, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 2, 2026 |
| 144 | Notice of proposed sale | Sep 3, 2026 | — |
| 144 | Notice of proposed sale | Sep 2, 2026 | — |
| 144 | Notice of proposed sale | Sep 2, 2026 | — |
| 4 | Insider transaction | Aug 21, 2026 | Aug 19, 2026 |
| 4 | Insider transaction | Aug 20, 2026 | Aug 18, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 4 | Insider transaction | Aug 12, 2026 | Aug 10, 2026 |
| 144 | Notice of proposed sale | Aug 10, 2026 | — |
| 144 | Notice of proposed sale | Aug 10, 2026 | — |
| 13F-HR | Filing | Aug 7, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 2, 2026 |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 13F-HR | Filing | May 8, 2026 | Mar 31, 2026 |
| 4 | Insider transaction | May 4, 2026 | May 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| 4 | Insider transaction | Apr 3, 2026 | Apr 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 19, 2026 |
| 144 | Notice of proposed sale | Feb 19, 2026 | — |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 11, 2026 | Feb 9, 2026 |
| 144 | Notice of proposed sale | Feb 9, 2026 | — |
| 144 | Notice of proposed sale | Feb 9, 2026 | — |
| 13F-HR | Filing | Feb 6, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 7, 2026 |
| 144 | Notice of proposed sale | Jan 7, 2026 | — |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Dec 31, 2025 | Dec 30, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Nov 24, 2025 | Nov 20, 2025 |
| 4 | Insider transaction | Nov 24, 2025 | Nov 20, 2025 |
| 144 | Notice of proposed sale | Nov 20, 2025 | — |
| 4 | Insider transaction | Nov 10, 2025 | Nov 7, 2025 |
| 144 | Notice of proposed sale | Nov 7, 2025 | — |
| 13F-HR | Filing | Nov 7, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 31, 2025 | Oct 29, 2025 |
| 4 | Insider transaction | Oct 31, 2025 | Oct 29, 2025 |
| 144 | Notice of proposed sale | Oct 29, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2025 | — |
| 13F-HR | Filing | Aug 1, 2025 | Jun 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jun 5, 2025 | — |
| 13F-HR | Filing | May 2, 2025 | Mar 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 22, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 13F-HR | Filing | Feb 7, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 9, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 10, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Nov 12, 2024 | Nov 8, 2024 |
| 4 | Insider transaction | Nov 5, 2024 | Nov 1, 2024 |
| 144 | Notice of proposed sale | Nov 1, 2024 | — |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 3, 2024 | Oct 1, 2024 |
| 144 | Notice of proposed sale | Oct 1, 2024 | — |
| 4 | Insider transaction | Sep 5, 2024 | Sep 4, 2024 |
| 4 | Insider transaction | Sep 5, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Sep 5, 2024 | Sep 3, 2024 |
| 144 | Notice of proposed sale | Sep 3, 2024 | — |
| 4 | Insider transaction | Aug 29, 2024 | Aug 28, 2024 |
| 144 | Notice of proposed sale | Aug 28, 2024 | — |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 144 | Notice of proposed sale | Aug 15, 2024 | — |
| 4 | Insider transaction | Aug 15, 2024 | Aug 13, 2024 |
| 144 | Notice of proposed sale | Aug 15, 2024 | — |
| 144 | Notice of proposed sale | Aug 14, 2024 | — |
| 4 | Insider transaction | Aug 14, 2024 | Aug 13, 2024 |
| 4 | Insider transaction | Aug 12, 2024 | Aug 8, 2024 |
| 144 | Notice of proposed sale | Aug 8, 2024 | — |
| 4 | Insider transaction | Aug 7, 2024 | Aug 7, 2024 |
| 144 | Notice of proposed sale | Aug 7, 2024 | — |
| 4 | Insider transaction | Aug 6, 2024 | Aug 2, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 2, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 5, 2024 | Aug 1, 2024 |
| 144 | Notice of proposed sale | Aug 2, 2024 | — |
| 144 | Notice of proposed sale | Aug 1, 2024 | — |
| 144 | Notice of proposed sale | Aug 1, 2024 | — |
| 4 | Insider transaction | Jul 12, 2024 | Jul 11, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jul 1, 2024 |
| 144 | Notice of proposed sale | Jul 1, 2024 | — |
| 4 | Insider transaction | Jun 25, 2024 | Jun 24, 2024 |
| 4 | Insider transaction | Jun 25, 2024 | Jun 24, 2024 |
| 144 | Notice of proposed sale | Jun 24, 2024 | — |
| 4 | Insider transaction | Jun 17, 2024 | Jun 14, 2024 |
| 144 | Notice of proposed sale | Jun 14, 2024 | — |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 144 | Notice of proposed sale | Jun 12, 2024 | — |
| 4 | Insider transaction | Jun 12, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 12, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 144 | Notice of proposed sale | Jun 6, 2024 | — |
| 4 | Insider transaction | Jun 5, 2024 | Jun 3, 2024 |
| 4 | Insider transaction | Jun 5, 2024 | Jun 3, 2024 |
| 144 | Notice of proposed sale | Jun 5, 2024 | — |
| 144 | Notice of proposed sale | Jun 3, 2024 | — |
| 4 | Insider transaction | May 29, 2024 | May 28, 2024 |
| 144 | Notice of proposed sale | May 28, 2024 | — |
| 4 | Insider transaction | May 22, 2024 | May 21, 2024 |
| 144 | Notice of proposed sale | May 21, 2024 | — |
| 4 | Insider transaction | May 17, 2024 | May 17, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 15, 2024 | May 13, 2024 |
| 144 | Notice of proposed sale | May 15, 2024 | — |
| 144 | Notice of proposed sale | May 14, 2024 | — |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 144 | Notice of proposed sale | May 1, 2024 | — |
| 144 | Notice of proposed sale | May 1, 2024 | — |
| 4 | Insider transaction | May 1, 2024 | Apr 29, 2024 |
| 4 | Insider transaction | May 1, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Apr 3, 2024 | Apr 1, 2024 |
| 144 | Notice of proposed sale | Apr 1, 2024 | — |
| 4 | Insider transaction | Mar 15, 2024 | Mar 13, 2024 |
| 144 | Notice of proposed sale | Mar 14, 2024 | — |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 1, 2024 |
| 144 | Notice of proposed sale | Mar 1, 2024 | — |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 144 | Notice of proposed sale | Feb 26, 2024 | — |
| 4 | Insider transaction | Feb 26, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 26, 2024 | Feb 22, 2024 |
| 144 | Notice of proposed sale | Feb 26, 2024 | — |
| 4 | Insider transaction | Feb 26, 2024 | Feb 22, 2024 |
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
- REGN (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- NY
- Headquarters
- Tarrytown, NY
- SEC filer status
- Large accelerated filer
- SEC CIK
- 872589
- Former names
- REGENERON PHARMACEUTICALS INC (until Jun 19, 2019)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.