{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-25-008045","form_type":"8-K","ticker":"APTOF","cik":"0000882361","company_name":"Aptose Biosciences Inc.","filed_at":"2025-12-19T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.457097+00:00","generated_at":"2026-05-16T12:41:04.964469+00:00","sec_items":["7.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"medium","headline":"Aptose reschedules special meeting for Hanmi acquisition pending SEC clearance","bullets":["Special meeting moved from Jan 16, 2026 to later date in January 2026.","Rescheduling due to awaiting final SEC clearance of proxy statement.","Unanimous board recommendation to vote for the continuance and arrangement.","Record date remains Dec 12, 2025; no changes to matters to be voted."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-25-008045","json":"https://secwatch.observer/filing/0001171843-25-008045.json","markdown":"https://secwatch.observer/filing/0001171843-25-008045.md","text":"https://secwatch.observer/filing/0001171843-25-008045.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/882361/000117184325008045/0001171843-25-008045-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/882361/000117184325008045/f8k_121925.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:41:04.964469+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"}