Poulton Stuart sold KPTI
March 2, 2026 · Form 4 insider transaction
Poulton Stuart sold 5,101 shares of Karyopharm Therapeutics Inc. at $9.41 per share, a transaction worth $48.0K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
5,101
Price
$9.41
Total value
$48.0K
InsiderPoulton Stuart
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMarch 2, 2026
Filing dateMarch 3, 2026
Shares owned after94,328
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
This transaction was effected pursuant to a durable automatic sale instruction plan adopted by the reporting person on May 18, 2022, and represents a broker-assisted sale of shares to satisfy the payment of withholding tax liability incurred upon the vesting of restricted stock units. The sale does not represent a discretionary trade by the reporting person.