{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-26-001777","form_type":"8-K","ticker":"APTOF","cik":"0000882361","company_name":"Aptose Biosciences Inc.","filed_at":"2026-03-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:37.903976+00:00","generated_at":"2026-05-15T09:46:18.196600+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"ISS recommends Aptose shareholders vote FOR Hanmi arrangement at C$2.41/share","bullets":["ISS recommends voting FOR the arrangement with Hanmi Pharmaceutical and the continuance to ABCA.","Shareholders to receive C$2.41 per share cash, a 28% premium over the 30-day VWAP of C$1.88.","Special meeting reconvened to March 31, 2026; proxy deadline is March 27, 2026 at 11:00 AM ET.","Board of directors unanimously recommends approval of the arrangement resolution.","Completion subject to court approval, TSX approval, and other customary conditions."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-26-001777","json":"https://secwatch.observer/filing/0001171843-26-001777.json","markdown":"https://secwatch.observer/filing/0001171843-26-001777.md","text":"https://secwatch.observer/filing/0001171843-26-001777.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/882361/000117184326001777/0001171843-26-001777-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/882361/000117184326001777/f8k_031926.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T09:46:18.196600+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"}