0001140361-23-025560.txt : 20230518 0001140361-23-025560.hdr.sgml : 20230518 20230518201723 ACCESSION NUMBER: 0001140361-23-025560 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230516 FILED AS OF DATE: 20230518 DATE AS OF CHANGE: 20230518 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Murugan Amar CENTRAL INDEX KEY: 0001809916 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36548 FILM NUMBER: 23937707 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: 2380 CONEJO SPECTRUM ST STREET 2: SUITE 200 CITY: THOUSAND OAKS STATE: CA ZIP: 91320 BUSINESS PHONE: 805-623-4244 MAIL ADDRESS: STREET 1: 2380 CONEJO SPECTRUM ST STREET 2: SUITE 200 CITY: THOUSAND OAKS STATE: CA ZIP: 91320 4 1 form4.xml X0407 4 2023-05-16 0001604464 Atara Biotherapeutics, Inc. ATRA 0001809916 Murugan Amar C/O ATARA BIOTHERAPEUTICS, INC. 2380 CONEJO SPECTRUM ST, SUITE 200 THOUSAND OAKS CA 91320 true EVP, Chief Legal Officer false Common Stock 2023-05-16 4 S 0 7404 2.037 D 271930 D Common Stock 2023-05-16 4 S 0 985 2.038 D 270945 D Shares sold automatically to satisfy tax withholding obligations in connection with the vesting of previously granted restricted stock units, pursuant to a sale-to-cover provision in the award agreement. The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on May 16, 2023 and May 17, 2023 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee. /s/ Jeff Kiekhofer, Attorney-in-Fact for Amar Murugan 2023-05-18