Michael Mason - Sep 1, 2023 Form 4 Insider Report for Karyopharm Therapeutics Inc. (KPTI)

Role
EVP, CFO & Treasurer
Signature
/s/Nancy Smith as Attorney-in-Fact for Michael Mason
Stock symbol
KPTI
Transactions as of
Sep 1, 2023
Transactions value $
-$9,203
Form type
4
Date filed
9/5/2023, 04:30 PM
Previous filing
Jun 5, 2023
Next filing
Jan 25, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KPTI Common Stock Sale -$9.2K -6.91K -2.82% $1.33 238K Sep 1, 2023 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.