Quick Answer
Atara Biotherapeutics, Inc. reported Common Stock Shares Outstanding of 7.32 million shares for the year ending 2025.
- Atara Biotherapeutics, Inc. showed an increase of +25.0% in Common Stock Shares Outstanding from 2024 to 2025.
- This data is from Atara Biotherapeutics, Inc.'s annual report (Form 10-K), filed with the SEC on March 16, 2026.
- XBRL data for this metric is available from 2013 to 2025 (13 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Over the full 13 years of available data (2013 to 2025), Atara Biotherapeutics, Inc.'s Common Stock Shares Outstanding has declined by 39.0%.
- Historical annual values: Fiscal year 2025: 7.32 million shares | Fiscal year 2024: 5.86 million shares | Fiscal year 2023: 4.26 million shares | Fiscal year 2022: 95.93 million shares | Fiscal year 2021: 91.67 million shares | Fiscal year 2020: 83.37 million shares | Fiscal year 2019: 56.81 million shares | Fiscal year 2018: 45.95 million shares | Fiscal year 2017: 30.73 million shares | Fiscal year 2016: 28.93 million shares | Fiscal year 2015: 28.46 million shares | Fiscal year 2014: 19.69 million shares | Fiscal year 2013: 12.00 million shares.
- Data sourced from SEC EDGAR public filings as of June 22, 2026.
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