0000905148-23-001457.txt : 20231115 0000905148-23-001457.hdr.sgml : 20231115 20231115170708 ACCESSION NUMBER: 0000905148-23-001457 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231113 FILED AS OF DATE: 20231115 DATE AS OF CHANGE: 20231115 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gallagher Carol Giltner CENTRAL INDEX KEY: 0001329959 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36548 FILM NUMBER: 231411444 MAIL ADDRESS: STREET 1: C/O ATARA BIOTHERAPEUTICS, INC. STREET 2: 3260 BAYSHORE BOULEVARD CITY: BRISBANE STATE: CA ZIP: 94005 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 X0508 4 2023-11-13 0001604464 Atara Biotherapeutics, Inc. ATRA 0001329959 Gallagher Carol Giltner C/O ATARA BIOTHERAPEUTICS, INC. 2380 CONEJO SPECTRUM ST, SUITE 200 THOUSAND OAKS CA 91320 true false Common Stock 2023-11-13 4 P 0 179020 0.2236 A 368438 D Common Stock 2023-11-14 4 P 0 90980 0.3098 A 459418 D Represents the weighted average purchase price. The shares were purchased in multiple transactions at prices ranging from $0.205 to $0.251. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this Form 4. Represents the weighted average purchase price. The shares were purchased in multiple transactions at prices ranging from $0.2862 to $0.3229. /s/ Jeff Kiekhofer, Attorney-in-Fact 2023-11-15