March 2, 2026 · Form 4 insider transaction
Paulson Richard A. sold 12,361 shares of KARYOPHARM THERAPEUTICS INC at $9.41 per share, a transaction worth $116.3K. 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 June 10, 2021, 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.