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10-Q

Quarterly Report

Atara Biotherapeutics, Inc. ATRA

0001193125-25-276219

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Filed
Nov 12, 2025 12:00 AM ET
Period of report

On SEC.gov

Financials in this filing

Metric Period Value
Shares Outstanding Q3 2025 · Nov 6, 2025 7.21M sh
Shares Diluted Q3 2025 · Sep 30, 2025 13.56M sh
Shares Diluted Q3 2025 · Sep 30, 2025 12.32M sh
Shares Diluted Q3 2025 · Sep 30, 2024 7.47M sh
Shares Diluted Q3 2025 · Sep 30, 2024 6.41M sh
Capex Q3 2025 · Sep 30, 2025 $0
Capex Q3 2025 · Sep 30, 2024 $156K
Operating Cash Flow Q3 2025 · Sep 30, 2025 −$45.24M
Operating Cash Flow Q3 2025 · Sep 30, 2024 −$44.25M
Short Term Investments Q3 2025 · Sep 30, 2025 $7.97M
Short Term Investments Q3 2025 · Dec 31, 2024 $17.47M
Cash And Equivalents Q3 2025 · Sep 30, 2025 $5.74M
Cash And Equivalents Q3 2025 · Dec 31, 2024 $25.03M
Stockholders Equity Q3 2025 · Sep 30, 2025 −$36.63M
Stockholders Equity Q3 2025 · Jun 30, 2025 −$35.04M
Stockholders Equity Q3 2025 · Mar 31, 2025 −$55.07M
Stockholders Equity Q3 2025 · Dec 31, 2024 −$97.28M
Stockholders Equity Q3 2025 · Sep 30, 2024 −$90.54M
Stockholders Equity Q3 2025 · Jun 30, 2024 −$110.87M
Stockholders Equity Q3 2025 · Mar 31, 2024 −$98.31M
Stockholders Equity Q3 2025 · Dec 31, 2023 −$99.23M
Current Liabilities Q3 2025 · Sep 30, 2025 $18.06M
Current Liabilities Q3 2025 · Dec 31, 2024 $134.57M
Total Liabilities Q3 2025 · Sep 30, 2025 $66.8M
Total Liabilities Q3 2025 · Dec 31, 2024 $206.38M
Current Assets Q3 2025 · Sep 30, 2025 $18.43M
Current Assets Q3 2025 · Dec 31, 2024 $64.89M
Total Assets Q3 2025 · Sep 30, 2025 $30.17M
Total Assets Q3 2025 · Dec 31, 2024 $109.1M
Eps Diluted Q3 2025 · Sep 30, 2025 −$0.32
Eps Diluted Q3 2025 · Sep 30, 2025 $2.93
Eps Diluted Q3 2025 · Sep 30, 2024 −$2.93
Eps Diluted Q3 2025 · Sep 30, 2024 −$11.34
Eps Basic Q3 2025 · Sep 30, 2025 −$0.32
Eps Basic Q3 2025 · Sep 30, 2025 $2.96
Eps Basic Q3 2025 · Sep 30, 2024 −$2.93
Eps Basic Q3 2025 · Sep 30, 2024 −$11.34
Sga Expense Q3 2025 · Sep 30, 2025 $3.99M
Sga Expense Q3 2025 · Sep 30, 2025 $21.98M
Sga Expense Q3 2025 · Sep 30, 2024 $10.42M
Sga Expense Q3 2025 · Sep 30, 2024 $30.45M
Rd Expense Q3 2025 · Sep 30, 2025 $2.93M
Rd Expense Q3 2025 · Sep 30, 2025 $37.67M
Rd Expense Q3 2025 · Sep 30, 2024 $43.92M
Rd Expense Q3 2025 · Sep 30, 2024 $122.76M
Net Income Q3 2025 · Sep 30, 2025 −$4.3M
Net Income Q3 2025 · Sep 30, 2025 $36.09M
Net Income Q3 2025 · Jun 30, 2025 $2.39M
Net Income Q3 2025 · Mar 31, 2025 $38.01M
Net Income Q3 2025 · Sep 30, 2024 −$21.91M
Net Income Q3 2025 · Sep 30, 2024 −$72.71M
Net Income Q3 2025 · Jun 30, 2024 −$19.05M
Net Income Q3 2025 · Mar 31, 2024 −$31.75M
Operating Income Q3 2025 · Sep 30, 2025 −$3.57M
Operating Income Q3 2025 · Sep 30, 2025 $38.43M
Operating Income Q3 2025 · Sep 30, 2024 −$21.76M
Operating Income Q3 2025 · Sep 30, 2024 −$71.24M
Revenue Q3 2025 · Sep 30, 2025 $3.45M
Revenue Q3 2025 · Sep 30, 2025 $119.18M
Revenue Q3 2025 · Sep 30, 2024 $40.19M
Revenue Q3 2025 · Sep 30, 2024 $96.19M