Common Stock, Shares, Outstanding of Altimmune, Inc. from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Summary
Altimmune, Inc. quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • Altimmune, Inc. Common Stock, Shares, Outstanding for the quarter ending 31 Dec 2025 was 110,882,735, a 53% increase year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

Altimmune, Inc. Quarterly Common Stock, Shares, Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 110,882,735 +38,530,034 +53% 31 Dec 2025 10-K 06 Mar 2026 2025 FY
Q3 2025 95,598,665 +24,474,258 +34% 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 85,076,300 +14,030,033 +20% 30 Jun 2025 10-Q 12 Aug 2025 2025 Q2
Q1 2025 77,825,450 +6,926,316 +9.8% 31 Mar 2025 10-Q 13 May 2025 2025 Q1
Q4 2024 72,352,701 +1,675,301 +2.4% 31 Dec 2024 10-K 06 Mar 2026 2025 FY
Q3 2024 71,124,407 +18,265,487 +35% 30 Sep 2024 10-Q 12 Nov 2024 2024 Q3
Q2 2024 71,046,267 +18,388,606 +35% 30 Jun 2024 10-Q 08 Aug 2024 2024 Q2
Q1 2024 70,899,134 +21,612,424 +44% 31 Mar 2024 10-Q 09 May 2024 2024 Q1
Q4 2023 70,677,400 +21,477,555 +44% 31 Dec 2023 10-K 27 Feb 2025 2024 FY
Q3 2023 52,858,920 +3,697,283 +7.5% 30 Sep 2023 10-Q 07 Nov 2023 2023 Q3
Q2 2023 52,657,661 +6,285,556 +14% 30 Jun 2023 10-Q 10 Aug 2023 2023 Q2
Q1 2023 49,286,710 +6,066,814 +14% 31 Mar 2023 10-Q 11 May 2023 2023 Q1
Q4 2022 49,199,845 +8,206,077 +20% 31 Dec 2022 10-K 27 Mar 2024 2023 FY
Q3 2022 49,161,637 +9,458,869 +24% 30 Sep 2022 10-Q 10 Nov 2022 2022 Q3
Q2 2022 46,372,105 +6,678,581 +17% 30 Jun 2022 10-Q 11 Aug 2022 2022 Q2
Q1 2022 43,219,896 +4,962,716 +13% 31 Mar 2022 10-Q 12 May 2022 2022 Q1
Q4 2021 40,993,768 +3,850,822 +10% 31 Dec 2021 10-K 28 Feb 2023 2022 FY
Q3 2021 39,702,768 +6,629,733 +20% 30 Sep 2021 10-Q 09 Nov 2021 2021 Q3
Q2 2021 39,693,524 +13,139,638 +49% 30 Jun 2021 10-Q 10 Aug 2021 2021 Q2
Q1 2021 38,257,180 +22,897,678 +149% 31 Mar 2021 10-Q 17 May 2021 2021 Q1
Q4 2020 37,142,946 +21,830,779 +143% 31 Dec 2020 10-K 15 Mar 2022 2021 FY
Q3 2020 33,073,035 +17,734,963 +116% 30 Sep 2020 10-Q 09 Nov 2020 2020 Q3
Q2 2020 26,553,886 +13,103,135 +97% 30 Jun 2020 10-Q 11 Aug 2020 2020 Q2
Q1 2020 15,359,502 +1,908,822 +14% 31 Mar 2020 10-Q 13 May 2020 2020 Q1
Q4 2019 15,312,167 +6,233,929 +69% 31 Dec 2019 10-K 25 Feb 2021 2020 FY
Q3 2019 15,338,072 +13,612,442 +789% 30 Sep 2019 10-Q 13 Nov 2019 2019 Q3
Q2 2019 13,450,751 -23,913,214 -64% 30 Jun 2019 10-Q 13 Aug 2019 2019 Q2
Q1 2019 13,450,680 -8,799,657 -40% 31 Mar 2019 10-Q 14 May 2019 2019 Q1
Q4 2018 9,078,238 +8,469,739 +1392% 31 Dec 2018 10-K 27 Mar 2020 2019 FY
Q3 2018 1,725,630 -13,901,451 -89% 30 Sep 2018 10-Q 13 Nov 2018 2018 Q3
Q2 2018 37,363,965 +21,939,074 +142% 30 Jun 2018 10-Q 14 Aug 2018 2018 Q2
Q1 2018 22,250,337 -46,564,858 -68% 31 Mar 2018 10-Q 15 May 2018 2018 Q1
Q4 2017 608,499 -6,308,705 -91% 31 Dec 2017 10-K 01 Apr 2019 2018 FY
Q3 2017 15,627,081 -50,795,952 -76% 30 Sep 2017 10-Q 09 Nov 2017 2017 Q3
Q2 2017 15,424,891 -49,360,955 -76% 30 Jun 2017 10-Q 14 Aug 2017 2017 Q2
Q1 2017 68,815,195 +4,370,470 +6.8% 31 Mar 2017 10-Q 03 May 2017 2017 Q1
Q4 2016 6,917,204 -57,464,882 -89% 31 Dec 2016 10-K 02 Apr 2018 2017 FY
Q3 2016 66,423,033 +2,064,199 +3.2% 30 Sep 2016 10-Q 04 Nov 2016 2016 Q3
Q2 2016 64,785,846 +873,653 +1.4% 30 Jun 2016 10-Q 04 Aug 2016 2016 Q2
Q1 2016 64,444,725 +770,399 +1.2% 31 Mar 2016 10-Q 09 May 2016 2016 Q1
Q4 2015 64,382,086 +778,783 +1.2% 31 Dec 2015 10-K 14 Mar 2017 2016 FY
Q3 2015 64,358,834 +2,142,848 +3.4% 30 Sep 2015 10-Q 06 Nov 2015 2015 Q3
Q2 2015 63,912,193 +8,386,483 +15% 30 Jun 2015 10-Q 05 Aug 2015 2015 Q2
Q1 2015 63,674,326 +9,900,621 +18% 31 Mar 2015 10-Q 07 May 2015 2015 Q1
Q4 2014 63,603,303 +11,299,057 +22% 31 Dec 2014 10-K 11 Mar 2016 2015 FY
Q3 2014 62,215,986 +9,918,406 +19% 30 Sep 2014 10-Q 06 Nov 2014 2014 Q3
Q2 2014 55,525,710 +4,351,791 +8.5% 30 Jun 2014 10-Q 05 Aug 2014 2014 Q2
Q1 2014 53,773,705 +5,357,222 +11% 31 Mar 2014 10-Q 08 May 2014 2014 Q1
Q4 2013 52,304,246 +3,951,595 +8.2% 31 Dec 2013 10-K 11 Mar 2015 2014 FY
Q3 2013 52,297,580 +3,951,596 +8.2% 30 Sep 2013 10-Q 07 Nov 2013 2013 Q3
Q2 2013 51,173,919 +2,827,935 +5.8% 30 Jun 2013 10-Q 08 Aug 2013 2013 Q2
Q1 2013 48,416,483 +101,973 +0.21% 31 Mar 2013 10-Q 08 May 2013 2013 Q1
Q4 2012 48,352,651 +116,479 +0.24% 31 Dec 2012 10-K 11 Mar 2014 2013 FY
Q3 2012 48,345,984 +151,949 +0.32% 30 Sep 2012 10-Q 06 Nov 2012 2012 Q3
Q2 2012 48,345,984 +151,948 +0.32% 30 Jun 2012 10-Q 07 Aug 2012 2012 Q2
Q1 2012 48,314,510 31 Mar 2012 10-Q 10 May 2012 2012 Q1
Q4 2011 48,236,172 +1,997,928 +4.3% 31 Dec 2011 10-K 14 Mar 2013 2012 FY
Q3 2011 48,194,035 30 Sep 2011 10-Q 09 Nov 2011 2011 Q3
Q2 2011 48,194,036 30 Jun 2011 10-Q 11 Aug 2011 2011 Q2
Q4 2010 46,238,244 31 Dec 2010 10-K 08 Mar 2012 2011 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.