Brennan David R sold INSM
September 9, 2026 · Form 4 insider transaction
Brennan David R sold 25,000 shares of Insmed Incorporated at $124.00 per share, a transaction worth $3.10M. 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
25,000
Price
$124.00
Total value
$3.10M
InsiderBrennan David R
Role—
CompanyInsmed Incorporated (INSM)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 9, 2026
Filing dateSeptember 11, 2026
Shares owned after39,238
OwnershipDirect
10b5-1 planNo
AmendedNo