Atara Biotherapeutics, Inc. (ATRA)

Atara Biotherapeutics Employees

Atara Biotherapeutics had 10 employees as of June 30, 2026. The number of employees decreased by 28 or 73.68% compared to the same quarter last year. That makes Atara Biotherapeutics the 40,123rd largest employer in the world and 6,025th in the United States.

• Employees: 10
• Change (1Y): -28
• Growth (1Y): -73.68%
• Revenue / Employee: $619,400
• Profits / Employee: -$1,668,800
• Market Cap: 85.62M

Employees Chart

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Employees History

Date	Employees	Change (1Y)	Growth (1Y)
Jun 30, 2026	10	-28	-73.68%
Mar 31, 2026	13	-76	-85.39%
Dec 31, 2025	14	-139	-90.85%
Sep 30, 2025	38	-121	-76.10%
Jun 30, 2025	38	-127	-76.97%
Mar 31, 2025	89	-84	-48.55%
Dec 31, 2024	153	-72	-32.00%
Sep 30, 2024	159	-149	-48.38%
Jun 30, 2024	165	-152	-47.95%
Mar 31, 2024	173	-157	-47.58%
Dec 31, 2023	225	-109	-32.63%
Sep 30, 2023	308	-32	-9.41%
Jun 30, 2023	317	-117	-26.96%
Mar 31, 2023	330	-240	-42.11%
Dec 31, 2022	334	-244	-42.21%
Sep 30, 2022	340	-238	-41.18%
Jun 30, 2022	434	-124	-22.22%
Mar 31, 2022	570	90	18.75%

Data Source: S&P Global Market Intelligence Last updated: Jun 30, 2026

Employee data is provided by S&P Global Market Intelligence and updates every three months after the filing of each quarterly report.

Update frequency:

Quarterly

Last checked:

Oct 21, 2026

Data Sources Report a data error