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APTOF

Aptose Biosciences Inc.

Company with tickers: APTOF

CIK
882361
CUSIP
03835T408
Shares Outstanding
2,552,429

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

Off-Exchange Volume History

Week Start ATS Volume Non-ATS OTC Volume Total Off-Exchange % of FINRA Weekly Volume
2026-05-04 1,122 3,105 4,227 100.0%
2026-04-27 11,251 3,276 14,527 100.0%
2026-04-20 7,146 5,788 12,934 100.0%
2026-04-13 891 11,906 12,797 100.0%
2026-04-06 1,847 2,406 4,253 100.0%
2026-03-30 338 29,603 29,941 100.0%
2026-03-23 8,807 17,841 26,648 100.0%
2026-03-16 2,419 30,243 32,662 99.9%
2026-03-09 11,265 29,204 40,469 99.9%
2026-03-02 9,247 41,226 50,473 99.9%
2026-02-23 72,859 148,763 221,622 100.0%
2026-02-16 7,237 6,459 13,696 100.0%
2026-02-09 551 8,776 9,327 100.0%
2026-02-02 1,756 8,260 10,016 100.0%
2026-01-26 578 18,581 19,159 99.3%
2026-01-19 3,268 10,764 14,032 100.0%
2026-01-12 6,304 16,780 23,084 99.9%
2026-01-05 1,685 23,796 25,481 100.0%
2025-12-29 5,632 26,635 32,267 99.9%
2025-12-22 12,001 56,195 68,196 100.0%
2025-12-15 32,370 111,643 144,013 100.0%
Showing 1–21 of 21 weeks