{"filing":{"accession_number":"0001292814-26-003536","cik":"0001071438","ticker":"BAK","company_name":"BRASKEM SA","form":"6-K","filing_date":"2026-06-18","report_date":null,"primary_document":"bak20260617_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1071438/000129281426003536/bak20260617_6k.htm"},"events":[{"id":12479,"run_id":11054,"accession_number":"0001292814-26-003536","anchor_item_number":null,"event_type":"governance_other","event_domain":"governance","is_material":true,"confidence":0.92,"summary":"This 6-K furnishes minutes of an extraordinary Board of Directors meeting held June 8, 2026, disclosing multiple governance actions: (1) election of Ms. Magda Maria de Regina Chambriard as Chairperson and Mr. Hélio Baptista Novaes as Vice-Chairperson; (2) election of seven statutory officers (CEO, CFO, Chief Transformation Officer, Chief Legal Officer, and three other officers), with four new appointments and three re-elections; and (3) approval of delegation limits and authority thresholds for the executive board for a 90-day period. These are material governance changes affecting the company's leadership structure and decision-making authority, warranting disclosure to investors.","company_name":"BRASKEM SA","ticker":"BAK","filing_date":"2026-06-18","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":9339,"accession_number":"0001292814-26-003536","item_number":null,"item_title":null,"event_type":"governance_other","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"This 6-K furnishes minutes of an extraordinary Board of Directors meeting held June 8, 2026, disclosing multiple governance actions: (1) election of Ms. Magda Maria de Regina Chambriard as Chairperson and Mr. Hélio Baptista Novaes as Vice-Chairperson; (2) election of seven statutory officers (CEO, CFO, Chief Transformation Officer, Chief Legal Officer, and three other officers), with four new appointments and three re-elections; and (3) approval of delegation limits and authority thresholds for the executive board for a 90-day period. These are material governance changes affecting the company's leadership structure and decision-making authority, warranting disclosure to investors.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-06-22T02:53:09.791303+00:00","company_name":"BRASKEM SA","ticker":"BAK","filing_date":"2026-06-18"}]}