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ATRA ATARA BIOTHERAPEUTICS INC Management Changes 8-K Filing

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ATARA BIOTHERAPEUTICS INC

(ATRA)

2025 8-K

Financial Results Report

Workforce Reduction

Board Restructuring

Financial Statements

Equity Offerings

Rights Offerings

Management Changes

Clinical Trials

Agreement Amendment

Management Changes

Financial Results

Workforce Reduction

Workforce Reduction

FDA Clinical Hold

Financial Update

Bylaw Amendments

Management Change

Management Change

Board Appointment

Leadership Changes

FDA Acceptance and Priority...

Reverse Stock Split

Reverse Stock Split

Annual Meeting of Stockholders

Financial Results

Departure of Directors

Financial Results Announcement

Departure of Directors or C...

Securities Purchase Agreeme...

Workforce Reduction

Announcement of Phase 2 EMB...

Sales Agreement with Cowen ...

Commercialization Agreement...

FDA Agreement on Comparability

Financial Results

Departure of Directors

Resignation and Voting Results

Resignation of EVP

Results of Operations and F...

Resignation of CFO

Disclosure of Cash Deposits

Financial Results and CFO R...

Transaction with HCR Molag ...

External Links:

Atara Biotherapeutics, Inc. announced that on September 2, 2025, three directors resigned, reducing the Board from ten to seven members, and Gregory A. Ciongoli was appointed as the new Chair. This adjustment aims to align the Board's size with its current operations.

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ATARA BIOTHERAPEUTICS INC

2025

8 K

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