Atara Biotherapeutics ATRA
Employee Count
Total number of employees at Atara Biotherapeutics (ATRA) and historical employee count data
153Current Employees▼ -72 (-32.00%) YoY
Atara Biotherapeutics total employee count in 2025 was 153, a -72 (-32.00%) decline in headcount from 2024.
Atara Biotherapeutics total employee count in 2024 was 225, a -109 (-32.63%) decline in headcount from 2023. Revenue per employee was $446,396, a $432,797 (+3182.61%) increase from 2023.
Atara Biotherapeutics total employee count in 2023 was 334, a -244 (-42.21%) decline in headcount from 2022. Revenue per employee was $13,599, a -$109,066 (-88.91%) decline from 2022.
Atara Biotherapeutics total employee count in 2022 was 578, a +141 (+32.27%) increase in headcount from 2021. Revenue per employee was $122,664, a -$726,269 (-85.55%) decline from 2021.