0001140361-22-007767.txt : 20220303 0001140361-22-007767.hdr.sgml : 20220303 20220303190245 ACCESSION NUMBER: 0001140361-22-007767 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220301 FILED AS OF DATE: 20220303 DATE AS OF CHANGE: 20220303 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Koppikar Utpal CENTRAL INDEX KEY: 0001742696 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36548 FILM NUMBER: 22711238 MAIL ADDRESS: STREET 1: C/O ATARA BIOTHERAPEUTICS, INC. STREET 2: 611 GATEWAY BLVD, 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 form4.xml FORM 4 X0306 4 2022-03-01 0001604464 Atara Biotherapeutics, Inc. ATRA 0001742696 Koppikar Utpal C/O ATARA BIOTHERAPEUTICS, INC. 611 GATEWAY BLVD., SUITE 900 SOUTH SAN FRANCISCO CA 94080 true Chief Financial Officer Common Stock 2022-03-01 4 A 0 61235 0 A 216937 D Common Stock 2022-03-01 4 S 0 2272 9.856 D 214665 D Common Stock 2022-03-01 4 S 0 1491 9.857 D 213174 D Employee Stock Option (Right to Buy) 10.21 2022-03-01 4 A 0 115107 0 A 2032-02-28 Common Stock 115107 115107 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, 2022, 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. 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 March 1, 2022 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employee. 1/48th of the shares subject to the stock option vest and become exercisable each month with the initial installment vesting on April 1, 2022, subject to the reporting person's continuous service. /s/ David Tucker, Attorney-in-Fact for Utpal Koppikar 2022-03-03