Atara Biotherapeutics, Inc.
Public company- Headquarters
- THOUSAND OAKS, California
- Industry
- Biotechnology
- Ticker
- ATRA
- CIK
- 0001604464
WARN notices since 2024
Workers affected since 2024
Executive changes, last 12 months
Last event
Workers affected over time
Cumulative workers in WARN notices since 2024
| Notice date | Workers affected | Cumulative |
|---|---|---|
| Jan 8, 2024 | 1 | 1 |
| Jan 8, 2024 | 43 | 44 |
| Mar 18, 2025 | 31 | 75 |
Leadership
No executive changes on record.
Related companies
Same industry and state, with recent events.
- Vir Biotechnology, Inc.
Class III director appointed: Suzanne Topalian, M.D.
- AMGEN INC
director appointed: David W. Gibbs
- Cardiff Oncology, Inc.
CMO appointed: Leila Alland
- Vaxart, Inc.
member of the Board appointed: Raquel C. Bono, M.D., M.B.A., FACS
layoffs from May 2, 2025
WARN noticeWARN notice: CA
Atara Biotherapeutics filed a WARN notice with the California WARN list on Mar 18, 2025 covering 31 workers. The layoffs take effect on May 2, 2025.
Source: California WARN list, filed Mar 18, 2025Site: CA
Workers affected: 31
layoffs from Mar 8, 2024
WARN noticeWARN notice: CA
Atara Biotherapeutics filed a WARN notice with the California WARN list on Jan 8, 2024 covering 43 workers. The layoffs take effect on Mar 8, 2024.
Source: California WARN list, filed Jan 8, 2024Site: CA
Workers affected: 43
layoffs from Mar 8, 2024
WARN noticeWARN notice: CA
Atara Biotherapeutics filed a WARN notice with the California WARN list on Jan 8, 2024 covering 1 worker. The layoffs take effect on Mar 8, 2024.
Source: California WARN list, filed Jan 8, 2024Site: CA
Workers affected: 1
layoffs from Dec 31, 2023
WARN noticeWARN notice: CA
Atara Biotherapeutics filed a WARN notice with the California WARN list on Nov 1, 2023 covering 1 worker. The layoffs take effect on Dec 31, 2023.
Source: California WARN list, filed Nov 1, 2023Site: CA
Workers affected: 1
layoffs from Dec 31, 2023
WARN noticeWARN notice: CA
Atara Biotherapeutics filed a WARN notice with the California WARN list on Nov 1, 2023 covering 72 workers. The layoffs take effect on Dec 31, 2023.
Source: California WARN list, filed Nov 1, 2023Site: CA
Workers affected: 72
layoffs from Oct 7, 2022
WARN noticeWARN notice: CA
Atara Biotherapeutics filed a WARN notice with the California WARN list on Aug 8, 2022 covering 55 workers. The layoffs take effect on Oct 7, 2022.
Source: California WARN list, filed Aug 8, 2022Site: CA
Workers affected: 55
layoffs from Oct 7, 2022
WARN noticeWARN notice: CA
Atara Biotherapeutics filed a WARN notice with the California WARN list on Aug 8, 2022 covering 14 workers. The layoffs take effect on Oct 7, 2022.
Source: California WARN list, filed Aug 8, 2022Site: CA
Workers affected: 14
layoffs from Oct 7, 2022
WARN noticeWARN notice: CA
Atara Biotherapeutics filed a WARN notice with the California WARN list on Aug 8, 2022 covering 8 workers. The layoffs take effect on Oct 7, 2022.
Source: California WARN list, filed Aug 8, 2022Site: CA
Workers affected: 8
Last verified Nov 8, 2026