Common Stock, Shares, Outstanding of Atara Biotherapeutics, Inc. from 31 Dec 2013 to 30 Sep 2025

Taxonomy & unit
us-gaap: shares
Description
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Summary
Atara Biotherapeutics, Inc. quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Dec 2013 to 30 Sep 2025.
  • Atara Biotherapeutics, Inc. Common Stock, Shares, Outstanding for the quarter ending 30 Sep 2025 was 7,210,000, a 26% increase year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

Atara Biotherapeutics, Inc. Quarterly Common Stock, Shares, Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q3 2025 7,210,000 +1,470,000 +26% 30 Sep 2025 10-Q 12 Nov 2025 2025 Q3
Q2 2025 6,978,000 +2,074,000 +42% 30 Jun 2025 10-Q 11 Aug 2025 2025 Q2
Q1 2025 5,924,000 -114,401,000 -95% 31 Mar 2025 10-Q 15 May 2025 2025 Q1
Q4 2024 5,859,000 +1,601,000 +38% 31 Dec 2024 10-Q 12 Nov 2025 2025 Q3
Q3 2024 5,740,000 -96,182,000 -94% 30 Sep 2024 10-Q 12 Nov 2024 2024 Q3
Q2 2024 4,904,000 -96,198,000 -95% 30 Jun 2024 10-Q 12 Aug 2024 2024 Q2
Q1 2024 120,325,000 +23,787,000 +25% 31 Mar 2024 10-Q 09 May 2024 2024 Q1
Q4 2023 4,258,000 -91,669,000 -96% 31 Dec 2023 10-K 07 Mar 2025 2024 FY
Q3 2023 101,922,000 +7,043,000 +7.4% 30 Sep 2023 10-Q 01 Nov 2023 2023 Q3
Q2 2023 101,102,000 +6,746,000 +7.2% 30 Jun 2023 10-Q 08 Aug 2023 2023 Q2
Q1 2023 96,538,000 +3,132,000 +3.4% 31 Mar 2023 10-Q 08 May 2023 2023 Q1
Q4 2022 95,927,000 +4,256,000 +4.6% 31 Dec 2022 10-K 28 Mar 2024 2023 FY
Q3 2022 94,879,000 +6,492,000 +7.3% 30 Sep 2022 10-Q 08 Nov 2022 2022 Q3
Q2 2022 94,356,000 +9,602,000 +11% 30 Jun 2022 10-Q 08 Aug 2022 2022 Q2
Q1 2022 93,406,000 +9,331,000 +11% 31 Mar 2022 10-Q 05 May 2022 2022 Q1
Q4 2021 91,671,000 +8,299,000 +10% 31 Dec 2021 10-K 08 Feb 2023 2022 FY
Q3 2021 88,387,000 +11,167,000 +14% 30 Sep 2021 10-Q 04 Nov 2021 2021 Q3
Q2 2021 84,754,000 +10,446,000 +14% 30 Jun 2021 10-Q 09 Aug 2021 2021 Q2
Q1 2021 84,075,000 +25,135,000 +43% 31 Mar 2021 10-Q 04 May 2021 2021 Q1
Q4 2020 83,372,000 +26,566,000 +47% 31 Dec 2020 10-K 28 Feb 2022 2021 FY
Q3 2020 77,220,000 +23,095,000 +43% 30 Sep 2020 10-Q 09 Nov 2020 2020 Q3
Q2 2020 74,308,000 +27,425,000 +58% 30 Jun 2020 10-Q 05 Aug 2020 2020 Q2
Q1 2020 58,940,000 +12,633,000 +27% 31 Mar 2020 10-Q 06 May 2020 2020 Q1
Q4 2019 56,806,000 +10,855,000 +24% 31 Dec 2019 10-K 01 Mar 2021 2020 FY
Q3 2019 54,125,000 +8,480,000 +19% 30 Sep 2019 10-Q 07 Nov 2019 2019 Q3
Q2 2019 46,883,000 +1,549,000 +3.4% 30 Jun 2019 10-Q 08 Aug 2019 2019 Q2
Q1 2019 46,307,000 +2,414,000 +5.5% 31 Mar 2019 10-Q 09 May 2019 2019 Q1
Q4 2018 45,951,000 +15,221,000 +50% 31 Dec 2018 10-K 27 Feb 2020 2019 FY
Q3 2018 45,645,000 +45,614,404 30 Sep 2018 10-Q 06 Nov 2018 2018 Q3
Q2 2018 45,334,000 +45,304,096 30 Jun 2018 10-Q 01 Aug 2018 2018 Q2
Q1 2018 43,893,000 +43,863,891 31 Mar 2018 10-Q 08 May 2018 2018 Q1
Q4 2017 30,730,000 +1,797,000 +6.2% 31 Dec 2017 10-K 26 Feb 2019 2018 FY
Q3 2017 30,596* -28,811,529 30 Sep 2017 10-Q 09 Nov 2017 2017 Q3
Q2 2017 29,904* -28,675,971 30 Jun 2017 10-Q 07 Aug 2017 2017 Q2
Q1 2017 29,109* -28,553,488 31 Mar 2017 10-Q 04 May 2017 2017 Q1
Q4 2016 28,933,000 +474,000 +1.7% 31 Dec 2016 10-K 27 Feb 2018 2017 FY
Q3 2016 28,842,125 +516,029 +1.8% 30 Sep 2016 10-Q 04 Nov 2016 2016 Q3
Q2 2016 28,705,875 +4,554,141 +19% 30 Jun 2016 10-Q 08 Aug 2016 2016 Q2
Q1 2016 28,582,597 +4,670,667 +20% 31 Mar 2016 10-Q 06 May 2016 2016 Q1
Q4 2015 28,459,000 +8,766,063 +45% 31 Dec 2015 10-K 09 Mar 2017 2016 FY
Q3 2015 28,326,096 +26,816,384 +1776% 30 Sep 2015 10-Q 06 Nov 2015 2015 Q3
Q2 2015 24,151,734 30 Jun 2015 10-Q 07 Aug 2015 2015 Q2
Q1 2015 23,911,930 31 Mar 2015 10-Q 11 May 2015 2015 Q1
Q4 2014 19,692,937 +7,689,046 +64% 31 Dec 2014 10-K 04 Mar 2016 2015 FY
Q3 2014 1,509,712 30 Sep 2014 10-Q 12 Nov 2014 2014 Q3
Q4 2013 12,003,891 31 Dec 2013 10-K 26 Feb 2015 2014 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.