0001567619-21-016150.txt : 20210819 0001567619-21-016150.hdr.sgml : 20210819 20210819193636 ACCESSION NUMBER: 0001567619-21-016150 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210817 FILED AS OF DATE: 20210819 DATE AS OF CHANGE: 20210819 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Newell Joe CENTRAL INDEX KEY: 0001702457 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36548 FILM NUMBER: 211191401 MAIL ADDRESS: STREET 1: C/O ATARA BIOTHERAPEUTICS, INC. STREET 2: 611 GATEWAY BOULEVARD, SUITE 900 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Atara Biotherapeutics, Inc. CENTRAL INDEX KEY: 0001604464 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 460920988 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 611 GATEWAY BLVD STREET 2: SUITE 900 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: 650-278-8930 MAIL ADDRESS: STREET 1: 611 GATEWAY BLVD STREET 2: SUITE 900 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 4 1 doc1.xml FORM 4 X0306 4 2021-08-17 0 0001604464 Atara Biotherapeutics, Inc. ATRA 0001702457 Newell Joe C/O ATARA BIOTHERAPEUTICS, INC. 611 GATEWAY BLVD., SUITE 900 SOUTH SAN FRANCISCO CA 94080 0 1 0 0 Chief Operations Officer Common Stock 2021-08-17 4 S 0 2426 12.532 D 126545 D Shares sold pursuant to a 10b5-1 arrangement to satisfy tax obligations in connection with the vesting of previously granted Restricted Stock Units. The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on August 17, 2021 and August 18, 2021 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees. /s/ Nimit Arora, Attorney-in-Fact for Joe Newell 2021-08-19