{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-061426","form_type":"8-K","ticker":"APTOF","cik":"0000882361","company_name":"Aptose Biosciences Inc.","filed_at":"2025-03-24T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.652656+00:00","generated_at":"2026-05-24T07:44:35.357395+00:00","sec_items":["1.01","3.02","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Aptose converts $1.5M debt into 409,063 shares at $3.70; amends investor rights with Hanmi","bullets":["Converted $1,513,533.10 of debt owed to Hanmi into 409,063 common shares at $3.70 per share.","Interest for Dec. 21, 2024–Mar. 31, 2025 deferred; must be paid by June 27, 2025 to avoid default.","Amended investor rights: Hanmi gets demand and piggyback registration rights; can nominate employees if ownership ≥10%.","Company plans $15M capital raise; additional debt conversions allowed post-raise at Hanmi's discretion subject to 19.99% cap."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-061426","json":"https://secwatch.observer/filing/0001193125-25-061426.json","markdown":"https://secwatch.observer/filing/0001193125-25-061426.md","text":"https://secwatch.observer/filing/0001193125-25-061426.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/882361/000119312525061426/0001193125-25-061426-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/882361/000119312525061426/d943621d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T07:44:35.357395+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}