Atara Biotherapeutics, Inc.
For the period ended Sep 30, 2025. Filed Nov 12, 2025.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2025 · Filed Nov 12, 2025
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Item 6. Exhibits
| Exhibit · Incorporated by Reference · Filed | ||||||
|---|---|---|---|---|---|---|
| No. | Description of Exhibit | Form | File No. | Exhibit | Filing Date | Herewith |
| 3.1 | Amended and Restated Certificate of Incorporation of Atara Biotherapeutics, Inc. | S-1 | 333-196936 | 3.2 | 6/20/2014 | |
| 3.2 | Third Amended and Restated Bylaws of Atara Biotherapeutics, Inc. | 8-K | 001-36548 | 3.1 | 12/23/2024 | |
| 3.3 | Certificate of Amendment of Amended and Restated Certificate of Incorporation of Atara Biotherapeutics, Inc. | 8-K | 001-36548 | 3.1 | 6/20/2024 | |
| 10.1+ | Amendment No. 3 to the Amended and Restated Commercialization Agreement between Atara Biotherapeutics, Inc. and Pierre Fabre Medicament dated October 29, 2025 | X | ||||
| 10.2 | First Amendment to Lease between Atara Biotherapeutics, Inc. and JackieO, LLC dated August 11, 2025 | X | ||||
| 31.1 | Certification by Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 | X | ||||
| 31.2 | Certification by Principal Financial and Accounting Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 | X | ||||
| 32.1(1) | Certifications of Chief Executive Officer and Principal Financial and Accounting Officer pursuant to 18 U.S.C Section 1350 as adopted pursuant to Section 906 of The Sarbanes-Oxley Act of 2002 | X | ||||
| 101.INS | Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document | X | ||||
| 101.SCH | Inline XBRL Taxonomy Extension Schema Document | X | ||||
| 104 | The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2025, formatted in Inline XBRL. | X | ||||
- 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.
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