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Atara Biotherapeutics, Inc.

For the period ended Jun 30, 2026. Filed Aug 12, 2026.

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About this filing

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.

Jun 30, 2026 · Filed Aug 12, 2026

ATRA$7.87-1.1%Stored close · as of Nov 6, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, Atara Biotherapeutics, Inc. has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

ATARA BIOTHERAPEUTICS, INC.
By:/s/ AnhCo Thieu Nguyen
AnhCo Thieu Nguyen
President and Chief Executive Officer
(Duly Authorized Officer and Principal
Executive Officer)
By:/s/ Kevin G. Sarney
Kevin G. Sarney
Interim Chief Financial Officer
(Duly Authorized Officer and Principal
Financial and Accounting Officer)
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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.