APTOF · Aptose Biosciences Inc. · Off Exchange
$1.69
+0.00 (+0.00%)
At close · Jul 3
Return incl. dividend (before tax)
Going-concern doubt
— flagged May 13, 2026
Substantial doubt about the company's ability to continue as a going concern.
“The aforementioned conditions raise substantial doubt about the Company's ability to continue as a going concern.”View the 10-Q filed May 13, 2026
Market Cap
$4.31M
Shares
2.55M
Volume · Jul 3
426
Avg daily vol (2 sessions)
531
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 |
|---|---|---|---|---|
| 2026-06-29 | 434 | 38,503 | 38,937 | 100.0% |
| 2026-06-22 | 2,083 | 4,746 | 6,829 | — |
| 2026-06-15 | 71 | 934 | 1,005 | — |
| 2026-06-08 | 968 | 11,119 | 12,087 | — |
| 2026-06-01 | 77 | 1,934 | 2,011 | — |
| 2026-05-25 | 1,300 | 1,298 | 2,598 | — |
| 2026-05-18 | 4,681 | 3,995 | 8,676 | — |
| 2026-05-11 | 376 | 12,829 | 13,205 | — |
| 2026-05-04 | 1,122 | 3,105 | 4,227 | — |
| 2026-04-27 | 11,251 | 3,276 | 14,527 | — |
| 2026-04-20 | 7,146 | 5,788 | 12,934 | — |
| 2026-04-13 | 891 | 11,906 | 12,797 | — |
| 2026-04-06 | 1,847 | 2,406 | 4,253 | — |
| 2026-03-30 | 338 | 29,603 | 29,941 | — |
| 2026-03-23 | 8,807 | 17,841 | 26,648 | — |
| 2026-03-16 | 2,419 | 30,243 | 32,662 | — |
| 2026-03-09 | 11,265 | 29,204 | 40,469 | — |
| 2026-03-02 | 9,247 | 41,226 | 50,473 | — |
| 2026-02-23 | 72,859 | 148,763 | 221,622 | — |
| 2026-02-16 | 7,237 | 6,459 | 13,696 | — |
| 2026-02-09 | 551 | 8,776 | 9,327 | — |
| 2026-02-02 | 1,756 | 8,260 | 10,016 | — |
| 2026-01-26 | 578 | 18,581 | 19,159 | — |
| 2026-01-19 | 3,268 | 10,764 | 14,032 | — |
| 2026-01-12 | 6,304 | 16,780 | 23,084 | — |
| 2026-01-05 | 1,685 | 23,796 | 25,481 | — |
| 2025-12-29 | 5,632 | 26,635 | 32,267 | — |
| 2025-12-22 | 12,001 | 56,195 | 68,196 | — |
| 2025-12-15 | 32,370 | 111,643 | 144,013 | — |
| 2025-12-08 | 8,332 | 16,797 | 25,129 | — |
| 2025-12-01 | 6,109 | 29,732 | 35,841 | — |
| 2025-11-24 | 6,518 | 15,062 | 21,580 | — |
| 2025-11-17 | 3,016 | 45,032 | 48,048 | — |
| 2025-11-10 | 1,893 | 18,085 | 19,978 | — |
| 2025-11-03 | 3,597 | 11,526 | 15,123 | — |
| 2025-10-27 | 356 | 2,773 | 3,129 | — |
| 2025-10-20 | 562 | 12,006 | 12,568 | — |
| 2025-10-13 | 1,059 | 12,753 | 13,812 | — |
| 2025-10-06 | 1,684 | 13,442 | 15,126 | — |
Showing 1–39 of 39 weeks