| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Schaeffer Orlov S Nicole | Chief People Strategy Officer | 700 US HIGHWAY 202/206, BRIDGEWATER | /s/ S. Nicole Schaeffer, by Michael A. Smith as Attorney-in-fact | 2025-08-18 | 0001401017 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | INSM | Common Stock | Sale | -$450K | -3.55K | -3.96% | $126.57 | 86.2K | Aug 14, 2025 | Direct | F1, F2 |
| transaction | INSM | Common Stock | Sale | -$734K | -5.75K | -6.67% | $127.71 | 80.5K | Aug 14, 2025 | Direct | F3 |
| transaction | INSM | Common Stock | Sale | -$89.7K | -700 | -0.87% | $128.16 | 79.8K | Aug 14, 2025 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | This is the weighted average sales price representing 3,554 shares sold at prices ranging from $126.01 to $126.94 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. |
| F2 | Includes 357 shares acquired through the Company's 2018 Employee Stock Purchase Plan. |
| F3 | This is the weighted average sales price representing 5,746 shares sold at prices ranging from $127.08 to $128.00 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. |
| F4 | This is the weighted average sales price representing 700 shares sold at prices ranging from $128.10 to $128.24 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. |
Exhibit List - Exhibit 24 - Power of Attorney