Form 4 for IRWD IRONWOOD PHARMACEUTICALS INC
Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-13 · accession 0001193125-26-111581 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MI | 2026-03-17 | 2026-03-17 | IRWD | DENNER ALEXANDER J | Dir | S - Sale | $3.05 | -6.73M | 9.19M | -42% | -$20.53M |
| 2026-03-17 | 2026-03-13 | IRWD | DENNER ALEXANDER J | Dir | A - Grant | $0.00 | +4,451 | 256.3K | +2% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-03-17 | S | D | 5,800 | $3.31 | 9,188,635 | I | — | — | |
| 2 | Common | Class A Common Stock | 2026-03-13 | A | A | 4,451 | $0.00 | 256,309 | D See footnote | — | — | (F2) Consists of shares that are held by Sarissa Capital Management LP ("Sarissa Capital") or by the funds and other investment vehicles (the "Sarissa Funds") for which Sarissa Capital serves as investment advisor. Dr. Denner is the Chief Investment Officer of Sarissa Capital and the managing member, general partner or other control party of the Sarissa Funds. By virtue of the foregoing, Dr. Denner may be deemed to indirectly beneficially own the shares that these funds directly beneficially own. Each of SarissaCapital, the Sarissa Funds and Dr. Denner disclaims beneficial ownership of these shares except, in each case, to the extent of their pecuniary interest therein. |
| 3 | Common | Class A Common Stock | 2026-03-17 | S | D | 6,725,000 | $3.05 | 9,194,435 | I See footnote | — | — | (F2) Consists of shares that are held by Sarissa Capital Management LP ("Sarissa Capital") or by the funds and other investment vehicles (the "Sarissa Funds") for which Sarissa Capital serves as investment advisor. Dr. Denner is the Chief Investment Officer of Sarissa Capital and the managing member, general partner or other control party of the Sarissa Funds. By virtue of the foregoing, Dr. Denner may be deemed to indirectly beneficially own the shares that these funds directly beneficially own. Each of SarissaCapital, the Sarissa Funds and Dr. Denner disclaims beneficial ownership of these shares except, in each case, to the extent of their pecuniary interest therein. |