| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Brennan David R | Director | 700 US HIGHWAY 202/206, BRIDGEWATER | /s/ David. R. Brennan, by Michael A. Smith as Attorney-in-fact | 25 Feb 2026 | 0001609305 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | INSM | Common Stock | Gift | $0 | -6,000 | -9% | $0.000000 | 60,933 | 23 Feb 2026 | Direct | |
| holding | INSM | Common Stock | 60,000 | 23 Feb 2026 | By spouse revocable trust |