Filing Details

Accession Number:
0001567619-23-004537
Form Type:
4
Zero Holdings:
No
Publication Time:
2023-03-06 18:46:39
Reporting Period:
2023-03-02
Accepted Time:
2023-03-06 18:46:39
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1604464 Atara Biotherapeutics Inc. ATRA () 4
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1553335 Jakob Dupont C/O Atara Biotherapeutics, Inc.
2380 Conejo Spectrum St, Suite 200
Thousand Oaks CA 91320
Evp, Head Of R&D 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 2023-03-02 5,074 $3.63 290,794 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 March 2, 2023 and March 3, 2023 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee.