September 15, 2025 · Form 4 insider transaction
Paulson Richard A. sold 1,257 shares of KARYOPHARM THERAPEUTICS INC at $6.43 per share, a transaction worth $8.1K. 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 PSUs. The sale does not represent a discretionary trade by the reporting person.