Updated Jul 16, 2026 · Last SEC filing 2026-07-09
IRONWOOD PHARMACEUTICALS INC (IRWD) has filed 9 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-09. 5 Form 8-K material event filings were reported by IRWD in the last 90 days. 2 Form 144 notices of proposed sale were filed for IRWD stock. InsiderAlpha tracks every IRWD SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001446847 |
|---|
| Form 4 filings (90d) | 9 |
|---|---|
| Form 8-K filings (90d) | 5 |
| Form 144 notices (90d) | 2 |
| Latest Form 4 filing | 2026-07-09 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Silver Ronald | PFO & PAO | S — Open-market sale | 127.9K | $4.52 | $578K | SEC | |
| Duane Jon R | Insider | A — Grant or award | 63.5K | $0.00 | — | SEC | |
| Shepard Jay | Insider | A — Grant or award | 63.5K | $0.00 | — | SEC | |
| McHugh Julie | Insider | S — Open-market sale | 21.6K | $3.73 | $80K | SEC | |
| Kessler Marla L | Insider | A — Grant or award | 63.5K | $0.00 | — | SEC | |
| Currie Mark G | Insider | A — Grant or award | 63.5K | $0.00 | — | SEC | |
| Moukheibir Catherine | Insider | A — Grant or award | 63.5K | $0.00 | — | SEC | |
| DENNER ALEXANDER J | Insider | A — Grant or award | 63.5K | $0.00 | — | SEC | |
| McHugh Julie | Insider | A — Grant or award | 63.5K | $0.00 | — | SEC | |
| DENNER ALEXANDER J | Insider | A — Grant or award | 4.1K | $0.00 | — | SEC | |
| Silver Ronald | PFO & PAO | A — Grant or award | 25.0K | $0.00 | — | SEC | |
| DENNER ALEXANDER J | Insider | S — Open-market sale | 6.72M | $3.05 | $20.51M | SEC | |
| DENNER ALEXANDER J | Insider | S — Open-market sale | 5.8K | $3.31 | $19K | SEC | |
| DENNER ALEXANDER J | Insider | A — Grant or award | 4.5K | $0.00 | — | SEC | |
| Martini Gregory S. | Chief Financial Officer | A — Grant or award | 136.6K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for IRONWOOD PHARMACEUTICALS INC (IRWD). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| DENNER ALEXANDER J | 2 | — |
| Silver Ronald | 2 | $578K |
| McHugh Julie | 2 | $80K |
| Shepard Jay | 1 | — |
| Duane Jon R | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in IRWD insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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