secwatch.observer — SEC 8-K summary ====================================== Issuer: Aptose Biosciences Inc. (APTOF) CIK: 0000882361 Form: 8-K Filed at: 2025-09-22T23:59:59+00:00 Accession: 0001171843-25-005992 Event type: debt Sentiment: neutral Materiality: 0.65 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Aptose secures $11.9M loan from Hanmi to fund tuspetinib AML study ------------------------------------------------------------------ - Amended facility with Hanmi provides up to $11.9M in uncommitted advances through Dec 31, 2025; first advance expected soon. - Final $1.4M advance received under prior June 2025 facility, totaling $8.5M from that agreement. - Loan is a related-party transaction; Aptose relies on financial hardship exemption from formal valuation and minority approval. - Proceeds fund TUSCANY Phase 1/2 trial of tuspetinib + venetoclax + azacitidine in newly diagnosed AML patients. - Early data showed 9/10 patients responded; 100% CR/CRh at 80mg and 120mg cohorts across adverse mutations. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/882361/000117184325005992/0001171843-25-005992-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/882361/000117184325005992/f8k_092225.htm HTML page: https://secwatch.observer/filing/0001171843-25-005992 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer