Michael Mason - Feb 7, 2022 Form 4 Insider Report for Karyopharm Therapeutics Inc. (KPTI)

Signature
/s/ Nancy Smith as Attorney-in-Fact for Michael Mason
Stock symbol
KPTI
Transactions as of
Feb 7, 2022
Transactions value $
-$38,925
Form type
4
Date filed
2/9/2022, 04:25 PM
Previous filing
Jun 1, 2021
Next filing
Mar 2, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KPTI Common Stock Sale -$38.9K -3.95K -6.89% $9.86* 53.3K Feb 7, 2022 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction was a broker-assisted sale of shares to satisfy the payment of withholding tax liability incurred upon the vesting of restricted stock units and does not represent a discretionary trade by the reporting person.
F2 The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on February 7, 2022 on behalf of a group of employees of Karyopharm Therapeutics Inc. to satisfy the payment of withholding tax liability of such employees.