IRWD
Ironwood Pharmaceuticals, Inc.
NASDAQ · Healthcare · Drug Manufacturers - Specialty & Generic · US
$4.26
−0.70%0
Insider buys (3m)
2
Insider sells (3m)
-$658.5K
Net value (3m)
+28.5%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 22, 2026 | Silber Jeffrey · officer: SVP, CMO, Head-Res&Drug | A-Award | 137,036 | $0.00 |
| Jul 9, 2026 | Silver Ronald · officer: PFO & PAO | Sale | 127,890 | $4.52 |
| Jun 17, 2026 | McHugh Julie · director | A-Award | 63,481 | $0.00 |
| Jun 17, 2026 | DENNER ALEXANDER J · director | A-Award | 63,481 | $0.00 |
| Jun 17, 2026 | Shepard Jay · director | A-Award | 63,481 | $0.00 |
| Jun 17, 2026 | DENNER ALEXANDER J · director | A-Award | 4,065 | $0.00 |
| Jun 17, 2026 | Kessler Marla L · director | A-Award | 63,481 | $0.00 |
| Jun 17, 2026 | Moukheibir Catherine · director | A-Award | 63,481 | $0.00 |
| Jun 17, 2026 | Currie Mark G · director | A-Award | 63,481 | $0.00 |
| Jun 17, 2026 | McHugh Julie · director | Sale | 21,571 | $3.73 |
| Jun 17, 2026 | Duane Jon R · director | A-Award | 63,481 | $0.00 |
| May 21, 2026 | Silver Ronald · officer: PFO & PAO | A-Award | 25,000 | $0.00 |
| Mar 17, 2026 | DENNER ALEXANDER J · director | Sale | 5,800 | $3.31 |
| Mar 17, 2026 | DENNER ALEXANDER J · director | Sale | 6,725,000 | $3.05 |
| Mar 17, 2026 | DENNER ALEXANDER J · director | A-Award | 4,451 | $0.00 |
| Mar 12, 2026 | Shetzline Michael · officer: SVP, CMO, Head-Res&Drug | A-Award | 136,612 | $0.00 |
| Mar 12, 2026 | Silver Ronald · officer: Principal Accounting Officer | A-Award | 163,934 | $0.00 |
| Mar 12, 2026 | MCCOURT Thomas A · director, officer: Chief Executive Officer | A-Award | 409,836 | $0.00 |
| Mar 12, 2026 | Martini Gregory S. · officer: Chief Financial Officer | A-Award | 136,612 | $0.00 |
| Mar 12, 2026 | Gaskins Tammi L · officer: Chief Commercial Officer | A-Award | 136,612 | $0.00 |
| Mar 12, 2026 | John Minardo · officer: Chief Legal Officer | A-Award | 136,612 | $0.00 |
| Feb 25, 2026 | Silver Ronald · officer: Principal Accounting Officer | Sale | 11,552 | $3.81 |
| Feb 25, 2026 | Gaskins Tammi L · officer: Chief Commercial Officer | Sale | 10,287 | $3.81 |
| Feb 25, 2026 | Gaskins Tammi L · officer: Chief Commercial Officer | Sale | 11,239 | $3.66 |
| Feb 25, 2026 | Silver Ronald · officer: Principal Accounting Officer | Sale | 12,621 | $3.66 |
| Feb 25, 2026 | Martini Gregory S. · officer: Chief Financial Officer | Sale | 10,487 | $3.81 |
| Feb 25, 2026 | Shetzline Michael · officer: SVP, CMO, Head-Res&Drug | Sale | 15,570 | $3.81 |
| Feb 25, 2026 | Martini Gregory S. · officer: Chief Financial Officer | Sale | 11,457 | $3.66 |
| Feb 25, 2026 | MCCOURT Thomas A · director, officer: Chief Executive Officer | Sale | 94,757 | $3.81 |
| Feb 25, 2026 | John Minardo · officer: Chief Legal Officer | Sale | 19,053 | $3.66 |
Institutional positioning
13F filings over the trailing two quarters
New 79Increased 160Reduced 145Sold out 36
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BlackRock, Inc. | Increased | 17,788,557 | Aug 7, 2026 |
| ARMISTICE CAPITAL, LLC | Reduced | 15,028,000 | May 15, 2026 |
| ARMISTICE CAPITAL, LLC | Reduced | 13,932,000 | Aug 14, 2026 |
| BLACKROCK, INC. | Increased | 13,362,930 | May 13, 2026 |
| UBS GROUP AG | Increased | 12,133,545 | May 5, 2026 |
| Sarissa Capital Management LP | Unchanged | 9,188,635 | Aug 14, 2026 |
| SARISSA CAPITAL MANAGEMENT LP | Reduced | 9,188,635 | May 15, 2026 |
| STATE STREET CORP | Increased | 8,809,601 | Aug 7, 2026 |
| BANK OF AMERICA CORP /DE/ | Increased | 8,683,803 | Aug 14, 2026 |
| BANK OF AMERICA CORP /DE/ | Reduced | 8,682,907 | May 18, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 8,061,073 | May 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 7,993,226 | Aug 13, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 7,535,080 | May 15, 2026 |
| STATE STREET CORP | Increased | 7,456,944 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 6,682,037 | May 8, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 22, 2026