{"schema_version":"secwatch.filing_event.v1","accession":"0001171843-25-001910","form_type":"8-K","ticker":"APTOF","cik":"0000882361","company_name":"Aptose Biosciences Inc.","filed_at":"2025-04-01T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.578726+00:00","generated_at":"2026-05-24T01:19:16.421912+00:00","sec_items":["7.01","9.01"],"event_type":"regulatory","sentiment":"negative","materiality_score":0.9,"calibrated_materiality_score":0.9,"confidence":"high","headline":"Aptose (APTO) to delist from Nasdaq April 2 for equity non-compliance","bullets":["Nasdaq determined to delist Aptose common shares effective April 2, 2025 for failure to meet equity requirement (Listing Rule 5550(b)(1)).","Company confirmed on March 31, 2025 it could not regain compliance by the Panel's final extended deadline.","Trading suspended at open on April 2; shares continue trading on TSX under symbol APS.","Board reviewing options, including possible appeal; company seeks to relist on a U.S. exchange at appropriate time."],"urls":{"canonical":"https://secwatch.observer/filing/0001171843-25-001910","json":"https://secwatch.observer/filing/0001171843-25-001910.json","markdown":"https://secwatch.observer/filing/0001171843-25-001910.md","text":"https://secwatch.observer/filing/0001171843-25-001910.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/882361/000117184325001910/0001171843-25-001910-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/882361/000117184325001910/f8k_040125.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T01:19:16.421912+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"}