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6 WARN Layoff Notices for Atara Biotherapeutics from Jan 2022 to May 2025

Atara Biotherapeutics laid off 237 workers across 6 WARN notices from Jan 2022 to May 2025 in California.
👉 See laid-off Atara Biotherapeutics employee profiles
💰 See Atara Biotherapeutics tax, EIN, & IRS information
See below for map, charts, and table of all 6 WARN Layoff Notices for Atara Biotherapeutics

Map of Atara Biotherapeutics layoffs

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All WARN layoff notices for Atara Biotherapeutics

1Atara BiotherapeuticsCA312025-03-182025-05-02Newbury ParkAtara Biotherapeutics2025
2Atara BiotherapeuticsCA432024-01-082024-03-08Newbury ParkAtara Biotherapeutics2024
3Atara BiotherapeuticsCA12023-11-012023-12-31Newbury ParkAtara Biotherapeutics2023
4Atara BiotherapeuticsCA142022-08-082022-10-07South San FranciscoAtara Biotherapeutics2022
5Atara BiotherapeuticsCA82022-08-082022-10-07Newbury ParkAtara Biotherapeutics2022
6Atara BiotherapeuticsCA1402022-01-262022-01-26Newbury ParkAtara Biotherapeutics, Inc.2022
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Atara Biotherapeutics layoffs over time

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Atara Biotherapeutics layoffs by state

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SEC material event filings for Atara Biotherapeutics

Atara Biotherapeutics has 7 SEC 8-K filings related to workforce changes (2022-08-08 to 2025-10-07).

Costs Associated with Exit or Disposal Activities

2025-10-07

SEC EDGAR →

Costs Associated with Exit or Disposal Activities

2025-05-12

SEC EDGAR →

Costs Associated with Exit or Disposal Activities

2025-03-03

SEC EDGAR →

Costs Associated with Exit or Disposal Activities

2025-01-27

SEC EDGAR →

Costs Associated with Exit or Disposal Activities, Departure/Election of Directors or Principal Officers

2024-01-08

SEC EDGAR →

Showing 5 of 7 filings

Source: SEC EDGAR 8-K filings

Workforce retraining near Atara Biotherapeutics

Atara Biotherapeutics has WARN layoff notices in this workforce board area. See retraining outcomes for laid-off workers:

CA

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