| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Shetzline Michael | SVP, CMO, Head-Res&Drug | C/O IRONWOOD PHARMACEUTICALS, INC., 100 SUMMER STREET, SUITE 2300, BOSTON | /s/ Amir Vitale, Attorney-in-Fact | 12 Mar 2026 | 0001808509 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IRWD | Class A Common Stock | Award | +136,612 | +26% | $0.000000* | 658,037 | 10 Mar 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The restricted stock unit award, granted as an annual performance award, vests as to 25% of the shares of Class A Common Stock on each approximate anniversary of the grant thereof. |