| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Smith Michael Alexander | Chief Legal Officer | 700 US HIGHWAY 202/206, BRIDGEWATER | /s/ Michael A. Smith | 04 Feb 2026 | 0001870278 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | INSM | Common Stock | Sale | $100,013 | -640 | -1.1% | $156.27 | 56,397 | 03 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees. |