Michael Mason - 01 Sep 2023 Form 4 Insider Report for Karyopharm Therapeutics Inc. (KPTI)

Signature
/s/Nancy Smith as Attorney-in-Fact for Michael Mason
Issuer symbol
KPTI
Transactions as of
01 Sep 2023
Net transactions value
-$9,203
Form type
4
Filing time
05 Sep 2023, 16:30:00 UTC
Previous filing
05 Jun 2023
Next filing
25 Jan 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KPTI Common Stock Sale $9,203 -6,913 -2.8% $1.33 237,817 01 Sep 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.