Filing Details

Accession Number:
0001209191-21-011488
Form Type:
4
Zero Holdings:
No
Publication Time:
2021-02-17 18:46:30
Reporting Period:
2021-02-11
Accepted Time:
2021-02-17 18:46:30
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1503802 Karyopharm Therapeutics Inc. KPTI Pharmaceutical Preparations (2834) 263931704
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1514291 Michael Mason C/O Karyopharm Therapeutics Inc.
85 Wells Avenue
Newton MA 02459
Svp, Cfo & Treasurer No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Disposition 2021-02-11 2,858 $15.52 5,292 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
Footnotes
  1. 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.
  2. The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on February 11, 2021 on behalf of a group of employees of Karyopharm Therapeutics Inc. to satisfy the payment of withholding tax liability of such employees.