Entity Common Stock, Shares Outstanding of Aptose Biosciences Inc. from 31 Dec 2017 to 07 Nov 2025

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
Aptose Biosciences Inc. quarterly Entity Common Stock, Shares Outstanding in shares history and change rate from 31 Dec 2017 to 07 Nov 2025.
  • Aptose Biosciences Inc. Entity Common Stock, Shares Outstanding for the quarter ending 07 Nov 2025 was 2,552,429, a 87% decline 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 (%)

Aptose Biosciences Inc. Quarterly Entity 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% 07 Nov 2025 10-Q 13 Nov 2025 2025 Q3
Q2 2025 2,552,429 -15,556,964 -86% 08 Aug 2025 10-Q 13 Aug 2025 2025 Q2
Q1 2025 2,552,429 -13,165,272 -84% 21 Mar 2025 10-K 28 Mar 2025 2024 FY
Q3 2024 19,521,183 +11,704,260 +150% 08 Nov 2024 10-Q 12 Nov 2024 2024 Q3
Q2 2024 18,109,393 +11,590,192 +178% 08 Aug 2024 10-Q 08 Aug 2024 2024 Q2
Q1 2024 15,717,701 -77,287,577 -83% 26 Mar 2024 10-K 26 Mar 2024 2023 FY
Q3 2023 7,816,923 -84,477,811 -92% 09 Nov 2023 10-Q 09 Nov 2023 2023 Q3
Q2 2023 6,519,201 -85,775,533 -93% 10 Aug 2023 10-Q 10 Aug 2023 2023 Q2
Q1 2023 93,005,278 +776,089 +0.84% 21 Mar 2023 10-K 24 Mar 2023 2022 FY
Q3 2022 92,294,734 +3,345,990 +3.8% 01 Nov 2022 10-Q 01 Nov 2022 2022 Q3
Q2 2022 92,294,734 +3,345,990 +3.8% 02 Aug 2022 10-Q 02 Aug 2022 2022 Q2
Q1 2022 92,229,189 +3,343,951 +3.8% 22 Mar 2022 10-K 22 Mar 2022 2021 FY
Q3 2021 88,948,744 +87,007 +0.1% 12 Nov 2021 10-Q 12 Nov 2021 2021 Q3
Q2 2021 88,948,744 +1,465,025 +1.7% 03 Aug 2021 10-Q 03 Aug 2021 2021 Q2
Q1 2021 88,885,238 +12,615,432 +17% 23 Mar 2021 10-K 23 Mar 2021 2020 FY
Q3 2020 88,861,737 +33,375,173 +60% 10 Nov 2020 10-Q 10 Nov 2020 2020 Q3
Q2 2020 87,483,719 +32,037,155 +58% 04 Aug 2020 10-Q 04 Aug 2020 2020 Q2
Q1 2020 76,269,806 +36,020,694 +89% 10 Mar 2020 10-K 10 Mar 2020 2019 FY
Q3 2019 55,486,564 05 Nov 2019 10-Q 05 Nov 2019 2019 Q3
Q2 2019 55,446,564 +21,035,573 +61% 06 Aug 2019 10-Q 06 Aug 2019 2019 Q2
Q1 2019 40,249,112 +9,547,059 +31% 12 Mar 2019 10-K 12 Mar 2019 2018 FY
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 40-F 27 Mar 2018 2017 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.