| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For INSM | |||||
| 2026-04-01 | Adsett, Roger | Chief Operating Officer | Sold | 62344 | $164.95 |
| 2026-04-01 | Adsett, Roger | Chief Operating Officer | Sold | 19001 | $164.11 |
| 2026-04-01 | Adsett, Roger | Chief Operating Officer | Sold | 6715 | $163.18 |
| 2026-04-01 | Adsett, Roger | Chief Operating Officer | Purchased | 88060 | $14.56 |
| 2026-04-01 | Adsett, Roger | Chief Operating Officer | Sold | 88060 | $0.00 |
| 2026-03-30 | Smith, Michael Alexander | Chief Legal Officer | Sold | 13989 | $0.00 |
| 2026-03-30 | Smith, Michael Alexander | Chief Legal Officer | Sold | 19638 | $150.98 |
| 2026-03-30 | Smith, Michael Alexander | Chief Legal Officer | Purchased | 13989 | $27.89 |
| 2026-03-30 | Smith, Michael Alexander | Chief Legal Officer | Purchased | 5649 | $17.07 |
| 2026-03-30 | Smith, Michael Alexander | Chief Legal Officer | Sold | 5649 | $0.00 |
| 2026-03-19 | Lewis, William | Director, Chair and CEO | Purchased | 6259 | $30.46 |
| 2026-03-19 | Lewis, William | Director, Chair and CEO | Sold | 4440 | $0.00 |
| 2026-03-19 | Lewis, William | Director, Chair and CEO | Sold | 6259 | $0.00 |
| 2026-03-19 | Lewis, William | Director, Chair and CEO | Sold | 4533 | $144.11 |
| 2026-03-19 | Lewis, William | Director, Chair and CEO | Sold | 4537 | $143.42 |
| 2026-03-19 | Lewis, William | Director, Chair and CEO | Sold | 1629 | $142.17 |
| 2026-03-19 | Lewis, William | Director, Chair and CEO | Purchased | 4440 | $17.16 |
| 2026-03-05 | Lewis, William | Director, Chair and CEO | Purchased | 6259 | $30.46 |
| 2026-03-05 | Lewis, William | Director, Chair and CEO | Sold | 2589 | $145.27 |
| 2026-03-05 | Lewis, William | Director, Chair and CEO | Sold | 2083 | $144.23 |