Ironwood Pharmaceuticals Inc SEC filings IRWD
Ironwood Pharmaceuticals Inc has 1,003 filings in SEC EDGAR's recent list, going back to Nov 4, 2014. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 28, 2026 | — |
| 144 | Notice of proposed sale | Sep 23, 2026 | — |
| 4 | Insider transaction | Sep 17, 2026 | Sep 15, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 28, 2026 | — |
| 4 | Insider transaction | Jul 22, 2026 | Jul 20, 2026 |
| 3 | Initial insider ownership | Jul 22, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jul 9, 2026 | Jul 7, 2026 |
| 144 | Notice of proposed sale | Jul 7, 2026 | — |
| 4 | Insider transaction | Jun 17, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 16, 2026 |
| 144 | Notice of proposed sale | Jun 16, 2026 | — |
| 4 | Insider transaction | May 21, 2026 | May 19, 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) | Apr 27, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 19, 2026 | — |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 4 | Insider transaction | Feb 25, 2026 | Feb 23, 2026 |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 4 | Insider transaction | Jan 7, 2026 | Jan 5, 2026 |
| 144 | Notice of proposed sale | Jan 5, 2026 | — |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 17, 2025 |
| 144 | Notice of proposed sale | Nov 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 12, 2025 | — |
| 4 | Insider transaction | Sep 17, 2025 | Sep 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 15, 2025 | — |
| 4 | Insider transaction | Aug 13, 2025 | Aug 11, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 11, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 11, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 11, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 12, 2025 | — |
| 144 | Notice of proposed sale | Aug 8, 2025 | — |
| 144 | Notice of proposed sale | Aug 8, 2025 | — |
| 144 | Notice of proposed sale | Aug 8, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 7, 2025 | — |
| 4 | Insider transaction | Jun 17, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 16, 2025 |
| 144 | Notice of proposed sale | May 16, 2025 | — |
| 144 | Notice of proposed sale | May 16, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 2, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 2, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 30, 2025 | — |
| 4 | Insider transaction | Apr 4, 2025 | Apr 2, 2025 |
| 3 | Initial insider ownership | Mar 21, 2025 | Mar 11, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 7, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 144 | Notice of proposed sale | Feb 7, 2025 | — |
| 144 | Notice of proposed sale | Feb 7, 2025 | — |
| 144 | Notice of proposed sale | Feb 7, 2025 | — |
| 144 | Notice of proposed sale | Feb 7, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 5, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 31, 2025 | — |
| 4 | Insider transaction | Jan 29, 2025 | Jan 27, 2025 |
| 4 | Insider transaction | Jan 29, 2025 | Jan 27, 2025 |
| 3 | Initial insider ownership | Jan 29, 2025 | Jan 27, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 17, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 17, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 17, 2025 |
| 144 | Notice of proposed sale | Dec 27, 2024 | — |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Nov 20, 2024 | Nov 18, 2024 |
| 4 | Insider transaction | Nov 20, 2024 | Nov 18, 2024 |
| 144 | Notice of proposed sale | Nov 15, 2024 | — |
| 144 | Notice of proposed sale | Nov 15, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 23, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 16, 2024 | — |
| 4 | Insider transaction | Sep 18, 2024 | Sep 16, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 4 | Insider transaction | Aug 14, 2024 | Aug 12, 2024 |
| 144 | Notice of proposed sale | Aug 9, 2024 | — |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 21, 2024 | Jun 18, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 15, 2024 |
| 4 | Insider transaction | Jun 12, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 144 | Notice of proposed sale | Jun 10, 2024 | — |
| 144 | Notice of proposed sale | Jun 7, 2024 | — |
| 144 | Notice of proposed sale | Jun 6, 2024 | — |
| 4 | Insider transaction | May 22, 2024 | May 20, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 20, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 20, 2024 |
| 4 | Insider transaction | May 22, 2024 | May 20, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 144 | Notice of proposed sale | May 17, 2024 | — |
| 144 | Notice of proposed sale | May 17, 2024 | — |
| 144 | Notice of proposed sale | May 17, 2024 | — |
| 144 | Notice of proposed sale | May 17, 2024 | — |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 6, 2024 |
| 4 | Insider transaction | Mar 7, 2024 | Mar 5, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 12, 2024 | Feb 8, 2024 |
| 144 | Notice of proposed sale | Feb 9, 2024 | — |
| 144 | Notice of proposed sale | Feb 9, 2024 | — |
| 144 | Notice of proposed sale | Feb 9, 2024 | — |
| 144 | Notice of proposed sale | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2024 | — |
| 4 | Insider transaction | Jan 19, 2024 | Jan 17, 2024 |
| 4 | Insider transaction | Jan 19, 2024 | Jan 17, 2024 |
| 4 | Insider transaction | Jan 19, 2024 | Jan 17, 2024 |
| 4 | Insider transaction | Jan 19, 2024 | Jan 17, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 10, 2024 | — |
| 4 | Insider transaction | Dec 19, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 19, 2023 | Dec 15, 2023 |
| 4 | Insider transaction | Dec 18, 2023 | Dec 14, 2023 |
| 144 | Notice of proposed sale | Dec 14, 2023 | — |
| 4 | Insider transaction | Nov 22, 2023 | Nov 20, 2023 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 16, 2023 |
| 144 | Notice of proposed sale | Nov 17, 2023 | — |
| 4 | Insider transaction | Sep 19, 2023 | Sep 15, 2023 |
| 4 | Insider transaction | Sep 19, 2023 | Sep 15, 2023 |
| 4 | Insider transaction | Sep 18, 2023 | Sep 15, 2023 |
| 4 | Insider transaction | Aug 31, 2023 | Aug 29, 2023 |
| 4 | Insider transaction | Aug 16, 2023 | Aug 14, 2023 |
| 4 | Insider transaction | Aug 16, 2023 | Aug 14, 2023 |
| 144 | Notice of proposed sale | Aug 11, 2023 | — |
| 144 | Notice of proposed sale | Aug 1, 2023 | — |
| SC 13D | Ownership over 5% (active) | Jul 7, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 5, 2023 | — |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 20, 2023 |
| 4 | Insider transaction | Jun 20, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 20, 2023 | Jun 15, 2023 |
| 144 | Notice of proposed sale | Jun 7, 2023 | — |
| 4 | Insider transaction | Jun 1, 2023 | May 30, 2023 |
| 144 | Notice of proposed sale | May 30, 2023 | — |
| 4 | Insider transaction | May 24, 2023 | May 22, 2023 |
| 4 | Insider transaction | May 24, 2023 | May 22, 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
- IRWD (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Boston, MA
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 1446847
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.