{"filing":{"accession_number":"0001554855-26-001981","cik":"0001430162","ticker":"CSAN","company_name":"Cosan S.A.","form":"6-K","filing_date":"2026-09-08","report_date":"2026-09-08","primary_document":"MainDocument.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1430162/000155485526001981/MainDocument.htm"},"events":[{"id":32086,"run_id":29475,"accession_number":"0001554855-26-001981","anchor_item_number":null,"event_type":"delisting_risk","event_domain":"terminal","is_material":true,"confidence":0.95,"summary":"Cosan has filed Form 25 with the SEC for voluntary delisting of its American Depositary Shares from the NYSE, effective September 18, 2026. The company will transition to Level I ADR trading on the OTC market. This is a material change in listing status that directly affects the registrant's U.S. capital market access and is a core delisting_risk disclosure.","company_name":"Cosan S.A.","ticker":"CSAN","filing_date":"2026-09-08","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":35168,"accession_number":"0001554855-26-001981","item_number":null,"item_title":null,"event_type":"delisting_risk","event_domain":"terminal","is_material":true,"confidence":0.95,"reasoning":"Cosan has filed Form 25 with the SEC for voluntary delisting of its American Depositary Shares from the NYSE, effective September 18, 2026. The company will transition to Level I ADR trading on the OTC market. This is a material change in listing status that directly affects the registrant's U.S. capital market access and is a core delisting_risk disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-08T21:23:58.553536+00:00","company_name":"Cosan S.A.","ticker":"CSAN","filing_date":"2026-09-08"}]}