{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-134870","form_type":"8-K","ticker":"APTOF","cik":"0000882361","company_name":"Aptose Biosciences Inc.","filed_at":"2026-03-31T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.904737+00:00","generated_at":"2026-05-15T08:19:06.296335+00:00","sec_items":["5.07"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Aptose shareholders approve continuance to Alberta and Hanmi acquisition arrangement","bullets":["Continuance from CBCA to Alberta approved with 92.42% votes in favor.","Arrangement with Hanmi (HS North America Ltd.) approved with 84.87% votes in favor.","Arrangement announced Nov 19, 2025; Hanmi to acquire all outstanding shares not already owned.","Special meeting held March 31, 2026; all items passed."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-134870","json":"https://secwatch.observer/filing/0001193125-26-134870.json","markdown":"https://secwatch.observer/filing/0001193125-26-134870.md","text":"https://secwatch.observer/filing/0001193125-26-134870.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/882361/000119312526134870/0001193125-26-134870-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/882361/000119312526134870/d13408d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T08:19:06.296335+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"}