0000905148-24-001059.txt : 20240402
0000905148-24-001059.hdr.sgml : 20240402
20240402181247
ACCESSION NUMBER: 0000905148-24-001059
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240331
FILED AS OF DATE: 20240402
DATE AS OF CHANGE: 20240402
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: HEIDEN WILLIAM K
CENTRAL INDEX KEY: 0001214939
ORGANIZATION NAME:
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36548
FILM NUMBER: 24816093
MAIL ADDRESS:
STREET 1: C/O AMAG PHARMACEUTICALS, INC.
STREET 2: 1100 WINTER STREET
CITY: WALTHAM
STATE: MA
ZIP: 02451
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Atara Biotherapeutics, Inc.
CENTRAL INDEX KEY: 0001604464
STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
ORGANIZATION NAME: 03 Life Sciences
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
2024-03-31
0001604464
Atara Biotherapeutics, Inc.
ATRA
0001214939
HEIDEN WILLIAM K
C/O ATARA BIOTHERAPEUTICS, INC.
2380 CONEJO SPECTRUM ST, SUITE 200
THOUSAND OAKS
CA
91320
true
false
Common Stock
2024-03-31
4
A
0
150000
0
A
359000
D
These restricted stock units shall vest on the date of the Issuer's annual meeting of stockholders for the calendar year 2025, subject to the Reporting Person's continuous service.
/s/ Jeff Kiekhofer, Attorney-in-Fact
2024-04-02