0001209191-21-009055.txt : 20210209
0001209191-21-009055.hdr.sgml : 20210209
20210209195955
ACCESSION NUMBER: 0001209191-21-009055
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210208
FILED AS OF DATE: 20210209
DATE AS OF CHANGE: 20210209
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: 21608668
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
doc4.xml
FORM 4 SUBMISSION
X0306
4
2021-02-08
0
0001604464
Atara Biotherapeutics, Inc.
ATRA
0001742696
Koppikar Utpal
C/O ATARA BIOTHERAPEUTICS, INC.
611 GATEWAY BLVD., SUITE 900
SOUTH SAN FRANCISCO
CA
94080
0
1
0
0
Chief Financial Officer
Common Stock
2021-02-08
4
S
0
1759
20.39
D
130546
D
Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of Restricted Stock Units. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person. The sale is intended to comply with the requirements of Rule 10b5-1(c)(1)(i)(B) under the Exchange Act and be interpreted to meet the requirements of Rule 10b5-1(c).
The sale price of the reporting person's shares represents the weighted average price of all shares sold by a broker on February 8, 2021 on behalf of a group of employees of the Issuer to satisfy the payment of withholding tax liability of such employees.
Includes 244 shares issued pursuant to the Issuer's Employee Stock Purchase Plan on November 30, 2020.
/s/ David Tucker, Attorney-in-Fact for Utpal Koppikar
2021-02-09