Entity Common Stock, Shares Outstanding of Altimmune, Inc. from 04 Aug 2011 to 27 Feb 2026

Taxonomy & unit
dei: shares
Description
Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Summary
Altimmune, Inc. quarterly Entity Common Stock, Shares Outstanding in shares history and change rate from 04 Aug 2011 to 27 Feb 2026.
  • Altimmune, Inc. Entity Common Stock, Shares Outstanding for the quarter ending 27 Feb 2026 was 130,069,983, a 69% increase year-over-year.
Source SEC data
View on sec.gov
Entity Common Stock, Shares Outstanding, Quarterly (shares)
Entity Common Stock, Shares Outstanding, YoY Quarterly Change (%)

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

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q1 2026 130,069,983 +53,056,325 +69% 27 Feb 2026 10-K 06 Mar 2026 2025 FY
Q3 2025 104,254,173 +33,129,548 +47% 31 Oct 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 88,257,253 +17,186,302 +24% 08 Aug 2025 10-Q 12 Aug 2025 2025 Q2
Q1 2025 77,013,658 +6,118,372 +8.6% 24 Feb 2025 10-K 27 Feb 2025 2024 FY
Q3 2024 71,124,625 +17,395,754 +32% 08 Nov 2024 10-Q 12 Nov 2024 2024 Q3
Q2 2024 71,070,951 +18,384,525 +35% 02 Aug 2024 10-Q 08 Aug 2024 2024 Q2
Q1 2024 70,895,286 +21,603,097 +44% 22 Mar 2024 10-K 27 Mar 2024 2023 FY
Q3 2023 53,728,871 +4,569,815 +9.3% 03 Nov 2023 10-Q 07 Nov 2023 2023 Q3
Q2 2023 52,686,426 +4,151,196 +8.6% 04 Aug 2023 10-Q 10 Aug 2023 2023 Q2
Q1 2023 49,292,189 +6,069,507 +14% 05 May 2023 10-Q 11 May 2023 2023 Q1
Q3 2022 49,159,056 +9,420,431 +24% 04 Nov 2022 10-Q 10 Nov 2022 2022 Q3
Q2 2022 48,535,230 +8,829,346 +22% 05 Aug 2022 10-Q 11 Aug 2022 2022 Q2
Q1 2022 43,222,682 +6,072,306 +16% 11 Mar 2022 10-K 15 Mar 2022 2021 FY
Q3 2021 39,738,625 +6,667,605 +20% 05 Nov 2021 10-Q 09 Nov 2021 2021 Q3
Q2 2021 39,705,884 +6,801,551 +21% 06 Aug 2021 10-Q 10 Aug 2021 2021 Q2
Q1 2021 37,150,376 +21,788,716 +142% 23 Feb 2021 10-K 25 Feb 2021 2020 FY
Q3 2020 33,071,020 +17,732,948 +116% 06 Nov 2020 10-Q 09 Nov 2020 2020 Q3
Q2 2020 32,904,333 +17,566,332 +115% 07 Aug 2020 10-Q 11 Aug 2020 2020 Q2
Q1 2020 15,361,660 +1,910,555 +14% 26 Mar 2020 10-K 27 Mar 2020 2019 FY
Q3 2019 15,338,072 +6,582,812 +75% 12 Nov 2019 10-Q 13 Nov 2019 2019 Q3
Q2 2019 15,338,001 -23,149,481 -60% 13 Aug 2019 10-Q 13 Aug 2019 2019 Q2
Q1 2019 13,451,105 -8,819,984 -40% 27 Mar 2019 10-K 01 Apr 2019 2018 FY
Q3 2018 8,755,260 -6,897,380 -44% 13 Nov 2018 10-Q 13 Nov 2018 2018 Q3
Q2 2018 38,487,482 +23,064,569 +150% 14 Aug 2018 10-Q 14 Aug 2018 2018 Q2
Q1 2018 22,271,089 -46,544,106 -68% 30 Mar 2018 10-K 02 Apr 2018 2017 FY
Q3 2017 15,652,640 -51,075,928 -77% 09 Nov 2017 10-Q 09 Nov 2017 2017 Q3
Q2 2017 15,422,913 -50,168,927 -76% 08 Aug 2017 10-Q 14 Aug 2017 2017 Q2
Q1 2017 68,815,195 +3,563,965 +5.5% 06 Mar 2017 10-K 14 Mar 2017 2016 FY
Q3 2016 66,728,568 +2,277,234 +3.5% 01 Nov 2016 10-Q 04 Nov 2016 2016 Q3
Q2 2016 65,591,840 +1,367,466 +2.1% 01 Aug 2016 10-Q 04 Aug 2016 2016 Q2
Q1 2016 65,251,230 +1,618,327 +2.5% 07 Mar 2016 10-K 11 Mar 2016 2015 FY
Q3 2015 64,451,334 +1,077,750 +1.7% 04 Nov 2015 10-Q 06 Nov 2015 2015 Q3
Q2 2015 64,224,374 +7,782,179 +14% 03 Aug 2015 10-Q 05 Aug 2015 2015 Q2
Q1 2015 63,632,903 +10,106,095 +19% 03 Mar 2015 10-K 11 Mar 2015 2014 FY
Q3 2014 63,373,584 +11,062,671 +21% 03 Nov 2014 10-Q 06 Nov 2014 2014 Q3
Q2 2014 56,442,195 +4,131,282 +7.9% 01 Aug 2014 10-Q 05 Aug 2014 2014 Q2
Q1 2014 53,526,808 +5,160,824 +11% 07 Mar 2014 10-K 11 Mar 2014 2013 FY
Q3 2013 52,310,913 +3,944,929 +8.2% 01 Nov 2013 10-Q 07 Nov 2013 2013 Q3
Q2 2013 52,310,913 +3,944,929 +8.2% 02 Aug 2013 10-Q 08 Aug 2013 2013 Q2
Q1 2013 48,365,984 +31,474 +0.06% 28 Feb 2013 10-K 14 Mar 2013 2012 FY
Q3 2012 48,365,984 +83,884 +0.17% 01 Nov 2012 10-Q 06 Nov 2012 2012 Q3
Q2 2012 48,365,984 +133,883 +0.28% 01 Aug 2012 10-Q 07 Aug 2012 2012 Q2
Q1 2012 48,334,510 01 May 2012 10-Q 10 May 2012 2012 Q1
Q3 2011 48,282,100 31 Oct 2011 10-Q 09 Nov 2011 2011 Q3
Q2 2011 48,232,101 04 Aug 2011 10-Q 11 Aug 2011 2011 Q2
* An asterisk sign (*) next to the value indicates that the value is likely invalid.