0000905148-23-001450.txt : 20231114
0000905148-23-001450.hdr.sgml : 20231114
20231114182904
ACCESSION NUMBER: 0000905148-23-001450
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20231110
FILED AS OF DATE: 20231114
DATE AS OF CHANGE: 20231114
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: HEIDEN WILLIAM K
CENTRAL INDEX KEY: 0001214939
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-36548
FILM NUMBER: 231408431
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]
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
2023-11-10
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
2023-11-10
4
P
0
100000
0.2533
A
209000
D
Represents the weighted average purchase price. The shares were purchased in multiple transactions at prices ranging from $0.2489 to $0.265. 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 range set forth in this Form 4.
/s/ Jeff Kiekhofer, Attorney-in-Fact
2023-11-14