secwatch.observer — SEC 8-K summary ====================================== Issuer: Aptose Biosciences Inc. (APTOF) CIK: 0000882361 Form: 8-K Filed at: 2025-11-03T23:59:59+00:00 Accession: 0001171843-25-006885 Event type: other_material Sentiment: neutral Materiality: 0.30 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Aptose TUSCANY abstract accepted for ASH 2025 poster session ------------------------------------------------------------ - Abstract #1645 from TUSCANY trial of tuspetinib + venetoclax + azacitidine in newly diagnosed AML selected for ASH 2025 poster presentation. - Poster session December 6, 2025, 5:30-7:30 PM in Orlando, FL. - Abstract available now; additional data to be presented in the poster. - Aptose developing tuspetinib-based triple therapy for patients ineligible for induction chemo. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/882361/000117184325006885/0001171843-25-006885-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/882361/000117184325006885/f8k_103125.htm HTML page: https://secwatch.observer/filing/0001171843-25-006885 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer