secwatch.observer — SEC 8-K summary
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Issuer:     Aptose Biosciences Inc. (APTOF)
CIK:        0000882361
Form:       8-K
Filed at:   2025-04-21T23:59:59+00:00
Accession:  0001193125-25-087390
Event type: other_material
Sentiment:  neutral
Materiality: 0.65
Item codes: 4.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

KPMG notifies Aptose it will not stand for re-appointment as auditor; material weakness disclosed
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- KPMG informed Aptose on Apr 15, 2025 it will not seek reappointment for the 2025 annual audit.
- KPMG will continue reviewing interim financials through first two fiscal quarters of 2025.
- No disagreements between Aptose and KPMG on accounting principles or audit scope.
- A previously disclosed material weakness in internal control over financial reporting (warrants) was noted.
- Aptose has initiated a process to select a new independent registered public accounting firm.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/882361/000119312525087390/0001193125-25-087390-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/882361/000119312525087390/d198638d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-087390

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