Company: ATRA
Filing Date: 2025-11-12
Form Type: 10-Q
Source: 0001193125-25-276219
Chunk: 1

Company: Atara Biotherapeutics, Inc.
Filing Date: 2025-11-12
Form: 10-Q
Item: Item 6
Chunk 1
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 The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted in Inline XBRL.

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+ Certain confidential information contained in this exhibit has been omitted because it is both (i) not material and (ii) the type that the Registrant treats as private or confidential.

(1)The certifications attached as Exhibit 32.1 accompany this Quarterly Report on Form 10-Q pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, and shall not be deemed “filed” by the Registrant for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.