Filing Details

Accession Number:
0001140361-22-042378
Form Type:
4
Zero Holdings:
No
Publication Time:
2022-11-18 20:13:28
Reporting Period:
2022-11-16
Accepted Time:
2022-11-18 20:13:28
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
1742696 Utpal Koppikar C/O Atara Biotherapeutics, Inc.
2380 Conejo Spectrum St, Suite 200
Thousand Oaks CA 91320
Chief Financial Officer No No 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 2022-11-16 5,172 $4.49 192,417 No 4 S Direct
Common Stock Disposition 2022-11-16 1,083 $4.49 191,334 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
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 November 16, 2022 and November 17, 2022 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee.