0000899243-21-021767.txt : 20210603
0000899243-21-021767.hdr.sgml : 20210603
20210603160634
ACCESSION NUMBER: 0000899243-21-021767
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210602
FILED AS OF DATE: 20210603
DATE AS OF CHANGE: 20210603
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Mitchener Stephen
CENTRAL INDEX KEY: 0001774519
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36167
FILM NUMBER: 21992531
MAIL ADDRESS:
STREET 1: C/O AXCELLA HEALTH INC.
STREET 2: 840 MEMORIAL DRIVE
CITY: CAMBRIDGE
STATE: MA
ZIP: 02139
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Karyopharm Therapeutics Inc.
CENTRAL INDEX KEY: 0001503802
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
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
doc4.xml
FORM 4 SUBMISSION
X0306
4
2021-06-02
0
0001503802
Karyopharm Therapeutics Inc.
KPTI
0001774519
Mitchener Stephen
C/O KARYOPHARM THERAPEUTICS INC.
85 WELLS AVENUE
NEWTON
MA
02459
0
1
0
0
SVP, Chief Business Officer
Common Stock
2021-06-02
4
S
0
528
9.29
D
2472
D
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.
/s/ Nancy Smith as Attorney-in-Fact for Stephen Mitchener
2021-06-03