{"url_path":"/sec/aptof/8-k/2026-07-01/item-5-01","section_key":"item-5-01","section_title":"Item 5.01 Changes in Control of Registrant.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-07-01","source_url":"https://www.sec.gov/Archives/edgar/data/882361/0001193125-26-291114-index.html","accession_number":"0001193125-26-291114","cik":"0000882361","ticker":"APTOF","issuer_name":"Aptose Biosciences Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/882361/0001193125-26-291114-index.html","primary_entity_key":"0000882361","primary_entity_name":"Aptose Biosciences Inc."},"word_count":63,"has_tables":true,"body_markdown":"Item 5.01\n\nChanges in Control of Registrant.\n\nAs a result of the Arrangement, a change in control of the Company occurred, and the Company is now a wholly owned subsidiary of the Hanmi Purchasers.\n\nThe disclosure regarding the Arrangement and the Arrangement Agreement set forth under Item 2.01 of this Current Report on Form 8-K is incorporated by reference into this Item 5.01."}