| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lewis William | Chair and CEO, Director | 700 US HIGHWAY 202/206, BRIDGEWATER | /s/ William Lewis, by Michael A. Smith as Attorney-in-fact | 15 May 2025 | 0001402051 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | INSM | Common Stock | Sale | $646,935 | -9,743 | -2.9% | $66.40 | 324,443 | 13 May 2025 | Direct | F1, F2 |
| transaction | INSM | Common Stock | Sale | $521,222 | -7,699 | -2.4% | $67.70 | 316,744 | 13 May 2025 | Direct | F1, F3 |
| transaction | INSM | Common Stock | Sale | $247,415 | -3,771 | -1.2% | $65.61 | 312,973 | 14 May 2025 | Direct | F1 |
| holding | INSM | Common Stock | 233,924 | 13 May 2025 | By the Katie Procter Dynasty Trust | ||||||
| holding | INSM | Common Stock | 50,500 | 13 May 2025 | By the William Lewis Family Legacy Trust |
| Id | Content |
|---|---|
| F1 | Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees. |
| F2 | This is the weighted average sales price representing 9,743 shares sold at prices ranging from $66.02 to $67.00 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request. |
| F3 | This is the weighted average sales price representing 7,699 shares sold at prices ranging from $67.11 to $67.81 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within the price range upon request. |