<SEC-DOCUMENT>0000905148-25-001058-index.html : 20250402
<SEC-HEADER>0000905148-25-001058.hdr.sgml : 20250402
<ACCEPTANCE-DATETIME>20250402195405
ACCESSION NUMBER:		0000905148-25-001058
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250331
FILED AS OF DATE:		20250402
DATE AS OF CHANGE:		20250402

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hyllengren Eric J
		CENTRAL INDEX KEY:			0001966926
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36548
		FILM NUMBER:		25807015

	MAIL ADDRESS:	
		STREET 1:		2380 CONEJO SPECTRUM ST
		STREET 2:		SUITE 200
		CITY:			THOUSAND OAKS
		STATE:			CA
		ZIP:			91320

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
		EIN:				460920988
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1280 RANCHO CONEJO BLVD
		CITY:			THOUSAND OAKS
		STATE:			CA
		ZIP:			91320
		BUSINESS PHONE:		805-623-4211

	MAIL ADDRESS:	
		STREET 1:		1280 RANCHO CONEJO BLVD
		CITY:			THOUSAND OAKS
		STATE:			CA
		ZIP:			91320
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<TEXT>
Document 1 - file: form4.html

Document 1 - RAW XML: form4.xml

</DOCUMENT>
</SEC-DOCUMENT>