Lewis William sold INSM

December 4, 2025 · Form 4 insider transaction

Lewis William sold 2,921 shares of Insmed Incorporated at $206.49 per share, a transaction worth $603.2K. 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
2,921
Price
$206.49
Total value
$603.2K
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateDecember 4, 2025
Filing dateDecember 5, 2025
Shares owned after304,951
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

This transaction was effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.; This is the weighted average sales price representing 2,921 shares sold at prices ranging from $206.15 to $207.13 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
Lewis William sold INSM: December 4, 2025 | Insider Trading Screener