0000899243-23-012353.txt : 20230505 0000899243-23-012353.hdr.sgml : 20230505 20230505170622 ACCESSION NUMBER: 0000899243-23-012353 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230504 FILED AS OF DATE: 20230505 DATE AS OF CHANGE: 20230505 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Paulson Richard A. CENTRAL INDEX KEY: 0001804460 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36167 FILM NUMBER: 23894890 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] 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 X0407 4 2023-05-04 0 0001503802 Karyopharm Therapeutics Inc. KPTI 0001804460 Paulson Richard A. C/O KARYOPHARM THERAPEUTICS INC. 85 WELLS AVENUE NEWTON MA 02459 1 1 0 0 President and CEO 1 Common Stock 2023-05-04 4 S 0 3805 3.3516 D 812814 D 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. Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $3.35 to $3.37, inclusive. The reporting person will provide upon request by the Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. /s/ Nancy Smith as Attorney-in-Fact for Richard Paulson 2023-05-05