0001209191-21-017043.txt : 20210303 0001209191-21-017043.hdr.sgml : 20210303 20210303171657 ACCESSION NUMBER: 0001209191-21-017043 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210301 FILED AS OF DATE: 20210303 DATE AS OF CHANGE: 20210303 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: 21710435 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 doc4.xml FORM 4 SUBMISSION X0306 4 2021-03-01 0 0001604464 Atara Biotherapeutics, Inc. ATRA 0001809916 Murugan Amar C/O ATARA BIOTHERAPEUTICS, INC. 611 GATEWAY BOULEVARD, SUITE 900 SOUTH SAN FRANCISCO CA 94080 0 1 0 0 SVP, GC & Secretary Common Stock 2021-03-01 4 A 0 41756 0.00 A 97425 D Employee Stock Option (Right to Buy) 17.105 2021-03-01 4 A 0 63028 0.00 A 2031-02-28 Common Stock 63028 63028 D These restricted stock units vest in 16 equal quarterly installments on each Company Quarterly Vesting Date (as defined below), with the initial installment vesting on May 15, 2021, subject to the reporting person's continuous service. Company Quarterly Vesting Date means March 1, May 15, August 15 and November 15 of each year. Includes 669 shares purchased pursuant to the Issuer's Employee Stock Purchase Plan on November 30, 2020. 1/48th of the shares subject to the stock option vest and become exercisable each month with the initial installment vesting on April 1, 2021, subject to the reporting person's continuous service. /s/ David Tucker, Attorney-in-Fact for Amar Murugan 2021-03-03