Smith Michael Alexander sold INSM

February 24, 2026 · Form 4 insider transaction

Smith Michael Alexander sold 4,151 shares of Insmed Incorporated at $155.06 per share, a transaction worth $643.7K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
4,151
Price
$155.06
Total value
$643.7K
Role
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateFebruary 24, 2026
Filing dateFebruary 25, 2026
Shares owned after67,642
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 7, 2025 in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.; This is the weighted average sales price representing 4,151 shares sold at prices ranging from $154.47 to $155.45 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.

View the original Form 4 on SEC EDGAR