Common Stock, Shares, Outstanding of Aptose Biosciences Inc. from 31 Dec 2017 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
Aptose Biosciences Inc. quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Dec 2017 to 30 Sep 2025.
  • Aptose Biosciences Inc. Common Stock, Shares, Outstanding for the quarter ending 30 Sep 2025 was 2,552,429, a 87% decline year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

Aptose Biosciences Inc. Quarterly Common Stock, Shares, Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q3 2025 2,552,429 -16,968,754 -87% 30 Sep 2025 10-Q 13 Nov 2025 2025 Q3
Q2 2025 2,552,429 -15,556,964 -86% 30 Jun 2025 10-Q 13 Aug 2025 2025 Q2
Q1 2025 2,552,429 -13,165,272 -84% 31 Mar 2025 10-Q 08 May 2025 2025 Q1
Q4 2024 2,006,028 +1,741,283 +658% 31 Dec 2024 10-Q 13 Nov 2025 2025 Q3
Q3 2024 19,521,183 +11,978,423 +159% 30 Sep 2024 10-Q 12 Nov 2024 2024 Q3
Q2 2024 18,109,393 +11,733,410 +184% 30 Jun 2024 10-Q 08 Aug 2024 2024 Q2
Q1 2024 15,717,701 -77,287,577 -83% 31 Mar 2024 10-Q 14 May 2024 2024 Q1
Q4 2023 264,745 -5,893,004 -96% 31 Dec 2023 10-K 28 Mar 2025 2024 FY
Q3 2023 7,542,760 -84,751,974 -92% 30 Sep 2023 10-Q 09 Nov 2023 2023 Q3
Q2 2023 6,375,983 -85,881,244 -93% 30 Jun 2023 10-Q 10 Aug 2023 2023 Q2
Q1 2023 93,005,278 +776,089 +0.84% 31 Mar 2023 10-Q 08 May 2023 2023 Q1
Q4 2022 6,157,749 -86,057,275 -93% 31 Dec 2022 10-K 26 Mar 2024 2023 FY
Q3 2022 92,294,734 +3,345,990 +3.8% 30 Sep 2022 10-Q 01 Nov 2022 2022 Q3
Q2 2022 92,257,227 +3,308,483 +3.7% 30 Jun 2022 10-Q 02 Aug 2022 2022 Q2
Q1 2022 92,229,189 +3,308,944 +3.7% 31 Mar 2022 10-Q 09 May 2022 2022 Q1
Q4 2021 92,215,024 +3,333,287 +3.8% 31 Dec 2021 10-K 24 Mar 2023 2022 FY
Q3 2021 88,948,744 +87,007 +0.1% 30 Sep 2021 10-Q 12 Nov 2021 2021 Q3
Q2 2021 88,948,744 +12,650,025 +17% 30 Jun 2021 10-Q 03 Aug 2021 2021 Q2
Q1 2021 88,920,245 +12,650,439 +17% 31 Mar 2021 10-Q 04 May 2021 2021 Q1
Q4 2020 88,881,737 +12,773,706 +17% 31 Dec 2020 10-K 22 Mar 2022 2021 FY
Q3 2020 88,861,737 +33,375,173 +60% 30 Sep 2020 10-Q 10 Nov 2020 2020 Q3
Q2 2020 76,298,719 +20,862,782 +38% 30 Jun 2020 10-Q 04 Aug 2020 2020 Q2
Q1 2020 76,269,806 +34,770,694 +84% 31 Mar 2020 10-Q 05 May 2020 2020 Q1
Q4 2019 76,108,031 +37,946,223 +99% 31 Dec 2019 10-K 23 Mar 2021 2020 FY
Q3 2019 55,486,564 +20,469,624 +58% 30 Sep 2019 10-Q 05 Nov 2019 2019 Q3
Q2 2019 55,435,937 +21,024,946 +61% 30 Jun 2019 10-Q 06 Aug 2019 2019 Q2
Q1 2019 41,499,112 +10,797,059 +35% 31 Mar 2019 10-Q 07 May 2019 2019 Q1
Q4 2018 38,161,808 +10,659,755 +39% 31 Dec 2018 10-K 10 Mar 2020 2019 FY
Q3 2018 35,016,940 30 Sep 2018 8-K 12 Mar 2019 2018 Q3
Q2 2018 34,410,991 30 Jun 2018 8-K 12 Mar 2019 2018 Q2
Q1 2018 30,702,053 31 Mar 2018 8-K 12 Mar 2019 2018 Q1
Q4 2017 27,502,053 31 Dec 2017 8-K 12 Mar 2019 2018 Q1
* An asterisk sign (*) next to the value indicates that the value is likely invalid.