{"filing":{"accession_number":"0001213900-26-085867","cik":"0001937441","ticker":"AMBWQ","company_name":"Ambipar Emergency Response","form":"6-K","filing_date":"2026-08-06","report_date":"2026-08-05","primary_document":"ea0300386-6k_ambipar.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1937441/000121390026085867/ea0300386-6k_ambipar.htm"},"events":[{"id":25670,"run_id":23294,"accession_number":"0001213900-26-085867","anchor_item_number":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.92,"summary":"Ricardo Chagas has resigned from his positions as Chief Executive Officer and Chief Financial Officer of Ambipar Response, effective immediately. While the announcement also mentions the appointment of Dennys Spencer as Interim CEO and CFO, the principal disclosed action is the departure of the CEO/CFO, making this an executive departure event. The simultaneous appointment is secondary to the resignation announcement.","company_name":"Ambipar Emergency Response","ticker":"AMBWQ","filing_date":"2026-08-06","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":26560,"accession_number":"0001213900-26-085867","item_number":null,"item_title":null,"event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"Ricardo Chagas has resigned from his positions as Chief Executive Officer and Chief Financial Officer of Ambipar Response, effective immediately. While the announcement also mentions the appointment of Dennys Spencer as Interim CEO and CFO, the principal disclosed action is the departure of the CEO/CFO, making this an executive departure event. The simultaneous appointment is secondary to the resignation announcement.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-09T02:21:38.367069+00:00","company_name":"Ambipar Emergency Response","ticker":"AMBWQ","filing_date":"2026-08-06"}]}