$ Value
$191K
Shares
1,354
Price
$141
Filed
Sep 4
Insider
Name
Smith Michael Alexander
Title
Chief Legal Officer
CIK
0001870278
Roles
Transaction Details
Transaction Date
2025-09-02
Code
S
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
77,820
Footnotes
This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on February 27, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended. | This is the weighted average sales price representing 1,354 shares sold at prices ranging from $140.58 to $141.50 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. | This is the weighted average sales price representing 1,100 shares sold at prices ranging from $141.58 to $142.55 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. | This is the weighted average sales price representing 7,391 shares sold at prices ranging from $142.70 to $143.63 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. | This is the weighted average sales price representing 8,300 shares sold at prices ranging from $143.72 to $144.71 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. | This is the weighted average sales price representing 4,944 shares sold at prices ranging from $144.72 to $145.57 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. | This is the weighted average sales price representing 1,183 shares sold at prices ranging from $145.75 to $146.04 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. | The options became exercisable based on the following vesting schedule: 25% vested on the first anniversary of the grant date and an additional 12.5% vested on each sixth month anniversary date thereafter through the fourth anniversary of the date of grant. All options are currently exercisable.
Filing Info
Smith Michael Alexander's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-03-30 | INSM | M | $96K |
| 2026-03-30 | INSM | M | $390K |
| 2026-03-30 | INSM | ▼ | $3.0M |
| 2026-03-30 | INSM | M | $0 |
| 2026-03-30 | INSM | M | $0 |
| 2026-01-02 | INSM | A | — |
| 2026-01-02 | INSM | A | $0 |
| 2025-11-03 | INSM | M | $644K |
| 2025-11-03 | INSM | ▼ | $243K |
| 2025-11-03 | INSM | ▼ | $1.4M |
Other Insiders at INSM (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
Lewis William
Chair and CEO
|
— | $3.3M | 2026-04-16 |
|
Adsett Roger
Chief Operating Officer
|
— | $14.5M | 2026-04-01 |
|
Smith Michael Alexander
Chief Legal Officer
|
— | $3.0M | 2026-03-30 |