Lewis William sold INSM

January 12, 2026 · Form 4 insider transaction

Lewis William sold 3,974 shares of Insmed Incorporated at $167.73 per share, a transaction worth $666.6K. 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
3,974
Price
$167.73
Total value
$666.6K
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateJanuary 12, 2026
Filing dateJanuary 13, 2026
Shares owned after322,132
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 3,974 shares sold at prices ranging from $167.11 to $168.02 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: January 12, 2026 | Insider Trading Screener