Lewis William sold INSM
May 13, 2026 · Form 4 insider transaction
Lewis William sold 13,283 shares of Insmed Incorporated at $116.18 per share, a transaction worth $1.54M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
13,283
Price
$116.18
Total value
$1.54M
InsiderLewis William
RoleDirector
CompanyInsmed Incorporated (INSM)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 13, 2026
Filing dateMay 15, 2026
Shares owned after287,902
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Shares sold to satisfy tax withholding obligations upon the vesting of Restricted Stock Units and to cover related broker fees.