{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-25-003505","form_type":"8-K","ticker":"APTOF","cik":"0000882361","company_name":"Aptose Biosciences Inc.","filed_at":"2025-05-28T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.581107+00:00","generated_at":"2026-05-20T09:46:44.086630+00:00","sec_items":["5.07","7.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Aptose shareholders approve reverse stock split and stock plan amendment; meeting adjourned for auditor search","bullets":["All 7 director nominees re-elected with ≥97.69% votes for.","Shareholders approved amendment to 2021 stock plan increasing reserved shares by 458,126.","Reverse stock split authorized (1:2 to 1:20) at board discretion; ratio and date TBD.","Meeting adjourned to allow search for successor auditor to KPMG LLP; new meeting date to be set."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-25-003505","json":"https://secwatch.observer/filing/0001171843-25-003505.json","markdown":"https://secwatch.observer/filing/0001171843-25-003505.md","text":"https://secwatch.observer/filing/0001171843-25-003505.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/882361/000117184325003505/0001171843-25-003505-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/882361/000117184325003505/f8k_052825.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T09:46:44.086630+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"}