secwatch.observer — SEC 8-K summary ====================================== Issuer: Aptose Biosciences Inc. (APTOF) CIK: 0000882361 Form: 8-K Filed at: 2025-11-13T23:59:59+00:00 Accession: 0001171843-25-007293 Event type: earnings Sentiment: negative Materiality: 0.70 Item codes: 2.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Aptose reports Q3 net loss $5.1M, cash $1.6M, but TUS+VEN+AZA shows 100% CR/CRh at higher doses -------------------------------------------------------------------------------- - Net loss $5.1M (-$2.01/share) for Q3 2025 vs $7.0M (-$11.33/share) in Q3 2024; nine-month net loss $17.7M. - Cash and equivalents $1.6M as of Sep 30, 2025; company states insufficient cash to fund operations, relying on Hanmi advances. - TUS+VEN+AZA triplet: 6/6 (100%) achieved CR/CRh at 80/120 mg TUS doses, exceeding 66% expected from VEN+AZA alone; overall 9/10 (90%) CR/CRh. - Dose escalation to 160 mg TUS underway; updated data to be presented at ASH December 2025. - Shareholders' deficit of $19.5M; company actively pursuing financing and cost reductions. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/882361/000117184325007293/0001171843-25-007293-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/882361/000117184325007293/f8k_111325.htm HTML page: https://secwatch.observer/filing/0001171843-25-007293 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer