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Aptose Biosciences Inc. (APTOF) red flags

CIK 0000882361 路 Toronto 路 SIC 2836 路 All EDGAR filings

7 verified red-flag event(s) since 2024-10-16.

3Aptose Biosciences Inc. (APTOF) Going-concern doubt (10-Q)cap n/a2026-05-13
quarterly (unaudited) disclosure 路 company history
5Aptose Biosciences Inc. (APTOF) Going-concern doubtcap n/a2026-03-31
in auditor's report 路 company history
4Aptose Biosciences Inc. (APTOF) Going-concern doubt (10-Q)cap n/a2025-11-13
quarterly (unaudited) disclosure; also within 90 days: Auditor change 路 company history
5Aptose Biosciences Inc. (APTOF) Auditor changecap n/a2025-08-27
disagreements reported; also within 90 days: Going-concern doubt 路 company history
4Aptose Biosciences Inc. (APTOF) Going-concern doubt (10-Q)cap n/a2025-08-13
quarterly (unaudited) disclosure; also within 90 days: Auditor change 路 company history
4Aptose Biosciences Inc. (APTOF) Going-concern doubt (10-Q)cap n/a2025-05-08
quarterly (unaudited) disclosure; also within 90 days: Auditor change 路 company history
5Aptose Biosciences Inc. (APTOF) Auditor changecap n/a2025-04-21
disagreements reported; also within 90 days: Going-concern doubt 路 company history

What happened next

FlagDateCap at flag30d90d180d
Going-concern doubt2026-05-13n/an/an/apending
Going-concern doubt2026-03-31n/an/an/an/a
Going-concern doubt2025-11-13n/an/an/an/a
Auditor change2025-08-27n/an/an/an/a
Going-concern doubt2025-08-13n/an/an/an/a
Going-concern doubt2025-05-08n/an/an/an/a
Auditor change2025-04-21n/an/an/an/a

Stock return after each flag; pending = window not yet elapsed; n/a = no price data.

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