July 29, 2025 · Form 4 insider transaction
Poulton Stuart sold 191 shares of KARYOPHARM THERAPEUTICS INC at $4.37 per share, a transaction worth $834.67. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.
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.