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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | Nov 5, 2026 | — |
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 28, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Oct 16, 2026 | Oct 12, 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 | — |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 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 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 18, 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 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 | — |
| 8-K |
Current report
Other events
|
Jun 15, 2026 | Jun 15, 2026 |
| 8-K/A |
Amended current report
Officer or director change
|
May 21, 2026 | May 8, 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 | — |
| 8-K |
Current report
Officer or director change
|
May 13, 2026 | May 8, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| ARS | Annual report to shareholders | Apr 28, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| DEF 14A | Proxy statement | Apr 28, 2026 | Jun 16, 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 |
| 8-K |
Current report
Other events
|
Mar 11, 2026 | Mar 10, 2026 |
| 10-K | Annual report | Feb 26, 2026 | Dec 31, 2025 |
| 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 |
| 8-K |
Current report
Results of operations
|
Feb 25, 2026 | Feb 25, 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 | — |
| 8-K |
Current report
Results of operations
|
Jan 2, 2026 | Jan 2, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Dec 23, 2025 | Dec 18, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 15, 2025 |
| 8-K |
Current report
Other events
|
Nov 26, 2025 | Nov 25, 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 | — |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 10, 2025 | Oct 7, 2025 |
| 4 | Insider transaction | Sep 17, 2025 | Sep 15, 2025 |
| 8-K |
Current report
Other events
|
Sep 3, 2025 | Aug 29, 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 | — |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 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 | — |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Auditor change
|
Jul 10, 2025 | Jul 3, 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 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 8-K |
Current report
Listing notice
|
Jun 3, 2025 | May 28, 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 | — |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 7, 2025 | May 7, 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 | — |
| ARS | Annual report to shareholders | Apr 28, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 28, 2025 | — |
| DEF 14A | Proxy statement | Apr 28, 2025 | Jun 10, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2025 | Apr 25, 2025 |
| 8-K |
Current report
Other events
|
Apr 14, 2025 | Apr 14, 2025 |
| 4 | Insider transaction | Apr 4, 2025 | Apr 2, 2025 |
| 10-K | Annual report | Mar 31, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Mar 27, 2025 | Mar 21, 2025 |
| 3 | Initial insider ownership | Mar 21, 2025 | Mar 11, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 7, 2025 | — |
| NT 10-K | Filing | Mar 3, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 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 |
| 8-K |
Current report
Exit or restructuring costs, Officer or director change
|
Jan 29, 2025 | Jan 17, 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 |
| 8-K |
Current report
Officer or director change
|
Dec 5, 2024 | Dec 2, 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 | — |
| 8-K |
Current report
Officer or director change
|
Nov 12, 2024 | Nov 6, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 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 | — |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Sep 30, 2024 | Sep 27, 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 | — |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 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 |
| 8-K |
Current report
Shareholder vote results
|
Jun 21, 2024 | Jun 21, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Jun 20, 2024 | Jun 20, 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 | — |
| 10-Q | Quarterly report | May 9, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 9, 2024 | May 9, 2024 |
| ARS | Annual report to shareholders | Apr 25, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 25, 2024 | — |
| DEF 14A | Proxy statement | Apr 25, 2024 | Jun 18, 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 |
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.