Filing Details

Accession Number:
0001209191-21-034422
Form Type:
4
Zero Holdings:
No
Publication Time:
2021-05-20 16:29:16
Reporting Period:
2021-05-18
Accepted Time:
2021-05-20 16:29:16
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1604464 Atara Biotherapeutics Inc. ATRA Biological Products, (No Disgnostic Substances) (2836) 460920988
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1803794 Kristin Yarema C/O Atara Biotherapeutics, Inc.
611 Gateway Blvd., Suite 900
South San Francisco CA 94080
Chief Commercial Officer 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 2021-05-18 761 $14.55 91,528 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
Footnotes
  1. Shares sold pursuant to a 10b5-1 arrangement to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units.
  2. The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on May 18, 2021 and May 19, 2021 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.