v3.23.1
Document And Entity Information
May 31, 2023
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 31, 2023
Entity Registrant Name Atara Biotherapeutics, Inc.
Entity Central Index Key 0001604464
Entity Emerging Growth Company false
Securities Act File Number 001-36548
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 46-0920988
Entity Address, Address Line One 2380 Conejo Spectrum Street
Entity Address, Address Line Two Suite 200
Entity Address, City or Town Thousand Oaks
Entity Address, State or Province CA
Entity Address, Postal Zip Code 91320
City Area Code (805)
Local Phone Number 623-4211
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol ATRA
Security Exchange Name NASDAQ