0000950170-24-017237.txt : 20240220
0000950170-24-017237.hdr.sgml : 20240220
20240220165903
ACCESSION NUMBER: 0000950170-24-017237
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240215
FILED AS OF DATE: 20240220
DATE AS OF CHANGE: 20240220
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Poulton Stuart
CENTRAL INDEX KEY: 0001942597
ORGANIZATION NAME:
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36167
FILM NUMBER: 24654533
MAIL ADDRESS:
STREET 1: 85 WELLS AVENUE
CITY: NEWTON
STATE: MA
ZIP: 02459
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Karyopharm Therapeutics Inc.
CENTRAL INDEX KEY: 0001503802
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
ORGANIZATION NAME: 03 Life Sciences
IRS NUMBER: 263931704
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 85 WELLS AVENUE
STREET 2: SECOND FLOOR
CITY: NEWTON
STATE: MA
ZIP: 02459
BUSINESS PHONE: 617-658-0600
MAIL ADDRESS:
STREET 1: 85 WELLS AVENUE
STREET 2: SECOND FLOOR
CITY: NEWTON
STATE: MA
ZIP: 02459
4
1
ownership.xml
4
X0508
4
2024-02-15
0001503802
Karyopharm Therapeutics Inc.
KPTI
0001942597
Poulton Stuart
C/O KARYOPHARM THERAPEUTICS INC.
85 WELLS AVENUE
NEWTON
MA
02459
false
true
false
false
EVP, Chief Development Officer
false
Common Stock
2024-02-15
4
S
false
5748
1.33
D
163871
D
Common Stock
2024-02-15
4
S
false
99
1.40
D
163772
D
This transaction was effected pursuant to a durable automatic sale instruction plan adopted by the reporting person on May 18, 2022, 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.
Nancy Smith as Attorney-in-Fact for Stuart Poulton
2024-02-20