{"filing":{"accession_number":"0001292814-26-004976","cik":"0001071438","ticker":"BAK","company_name":"BRASKEM SA","form":"6-K","filing_date":"2026-10-21","report_date":"2026-12-31","primary_document":"bak20261021_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1071438/000129281426004976/bak20261021_6k.htm"},"events":[{"id":36920,"run_id":34035,"accession_number":"0001292814-26-004976","anchor_item_number":null,"event_type":"bankruptcy_filing","event_domain":"terminal","is_material":true,"confidence":0.95,"summary":"The 6-K discloses an involuntary Chapter 11 bankruptcy petition filed on October 21, 2026 against Braskem America Finance Company, an indirect subsidiary of Braskem S.A., by creditors holding approximately 47% of the 7.125% Notes due 2041 (approximately US$272 million of US$589 million outstanding). This is a terminal event materially threatening the registrant's financial stability and capital structure, even though the parent company and operating subsidiaries are not listed as debtors.","company_name":"BRASKEM SA","ticker":"BAK","filing_date":"2026-10-21","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":41481,"accession_number":"0001292814-26-004976","item_number":null,"item_title":null,"event_type":"bankruptcy_filing","event_domain":"terminal","is_material":true,"confidence":0.95,"reasoning":"The 6-K discloses an involuntary Chapter 11 bankruptcy petition filed on October 21, 2026 against Braskem America Finance Company, an indirect subsidiary of Braskem S.A., by creditors holding approximately 47% of the 7.125% Notes due 2041 (approximately US$272 million of US$589 million outstanding). This is a terminal event materially threatening the registrant's financial stability and capital structure, even though the parent company and operating subsidiaries are not listed as debtors.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-10-22T10:04:16.572652+00:00","company_name":"BRASKEM SA","ticker":"BAK","filing_date":"2026-10-21"}]}