| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| LEE LEO | Director | 700 US HIGHWAY 202/206, BRIDGEWATER | /s/ Leo Lee, by Michael A. Smith as Attorney-in-fact | 18 Nov 2025 | 0001740789 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | INSM | Common Stock | Sale | $621,554 | -3,212 | -2.5% | $193.51 | 126,465 | 17 Nov 2025 | Direct | F1 |
| transaction | INSM | Common Stock | Sale | $3,421,857 | -17,594 | -14% | $194.49 | 108,871 | 17 Nov 2025 | Direct | F2 |
| transaction | INSM | Common Stock | Sale | $2,919,908 | -14,944 | -14% | $195.39 | 93,927 | 17 Nov 2025 | Direct | F3 |
| transaction | INSM | Common Stock | Sale | $4,733,582 | -24,076 | -26% | $196.61 | 69,851 | 17 Nov 2025 | Direct | F4 |
| transaction | INSM | Common Stock | Sale | $2,995,348 | -15,174 | -22% | $197.40 | 54,677 | 17 Nov 2025 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | This is the weighted average sales price representing 3,212 shares sold at prices ranging from $193.00 to $193.99 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 | This is the weighted average sales price representing 17,594 shares sold at prices ranging from $194.00 to $194.99 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 14,944 shares sold at prices ranging from $195.00 to $195.99 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 24,076 shares sold at prices ranging from $196.00 to $196.99 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. |
| F5 | This is the weighted average sales price representing 15,174 shares sold at prices ranging from $197.00 to $197.78 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