0001209191-16-143144.txt : 20160929 0001209191-16-143144.hdr.sgml : 20160929 20160929162641 ACCESSION NUMBER: 0001209191-16-143144 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160927 FILED AS OF DATE: 20160929 DATE AS OF CHANGE: 20160929 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ciechanover Isaac E. CENTRAL INDEX KEY: 0001612096 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36548 FILM NUMBER: 161910249 MAIL ADDRESS: STREET 1: C/O ATARA BIOTHERAPEUTICS, INC. STREET 2: 3260 BAYSHORE BOULEVARD CITY: BRISBANE STATE: CA ZIP: 94005 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2016-09-27 0 0001604464 Atara Biotherapeutics, Inc. ATRA 0001612096 Ciechanover Isaac E. 611 GATEWAY BOULEVARD SUITE 900 SOUTH SAN FRANCISCO CA 94080 1 1 0 0 Chief Executive Officer Common Stock 2016-09-27 4 S 0 7200 20.50 D 411378 I See Footnote Common Stock 2016-09-28 4 S 0 4500 21.40 D 406878 I See Footnote Common Stock 2016-09-28 4 S 0 300 21.82 D 406578 D Common Stock 549136 D Common Stock 180000 I See footnote Transaction pursuant to Rule 10b5-1 Plan adopted March 22, 2016. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $20.03 to $20.84. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. Shares are held by the Isaac E. Ciechanover and Allison M. Ciechanover Family Trust dated 8/8/08, of which the Reporting Person is a trustee. The price in Column 4 is a weighted average sale price. The prices actually received ranged from $20.81 to $21.81. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. Shares are held by the Ciechanover 2015 GRAT, of which the Reporting Person is a trustee. /s/ Tina Gullotta, Attorney-in-Fact for Isaac E. Ciechanover 2016-09-29