Richard A. Paulson - 02 Mar 2026 Form 4 Insider Report for Karyopharm Therapeutics Inc. (KPTI)

Role
President and CEO, Director
Signature
/s/ Nancy Smith as Attorney-in-Fact for Richard Paulson
Issuer symbol
KPTI
Transactions as of
02 Mar 2026
Net transactions value
-$116,311
Form type
4
Filing time
03 Mar 2026, 16:21:19 UTC
Previous filing
09 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Paulson Richard A. President and CEO, Director C/O KARYOPHARM THERAPEUTICS INC., 85 WELLS AVENUE, NEWTON /s/ Nancy Smith as Attorney-in-Fact for Richard Paulson 03 Mar 2026 0001804460

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KPTI Common Stock Sale $116,311 -12,361 -4.4% $9.41 267,030 02 Mar 2026 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.