{"filing":{"accession_number":"0001292814-26-004554","cik":"0001444406","ticker":"EC","company_name":"ECOPETROL S.A.","form":"6-K","filing_date":"2026-09-15","report_date":"2026-09-30","primary_document":"ec20260915_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1444406/000129281426004554/ec20260915_6k.htm"},"events":[{"id":33436,"run_id":30743,"accession_number":"0001292814-26-004554","anchor_item_number":"EX-99.1","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"The exhibit announces the Board's appointment of Mr. Alfonso Camilo Barco Muñoz as Acting Chief Executive Officer, effective September 15, 2026. While the disclosure also mentions Mr. Juan Carlos Hurtado Parra's retirement, the principal disclosed action is the appointment of a new CEO, making this an exec_appointment event. The appointment of a chief executive is material to investors' assessment of the registrant's leadership and governance.","company_name":"ECOPETROL S.A.","ticker":"EC","filing_date":"2026-09-15","form":"6-K","submitted_at":null,"items":[{"id":36885,"accession_number":"0001292814-26-004554","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The exhibit announces the Board's appointment of Mr. Alfonso Camilo Barco Muñoz as Acting Chief Executive Officer, effective September 15, 2026. While the disclosure also mentions Mr. Juan Carlos Hurtado Parra's retirement, the principal disclosed action is the appointment of a new CEO, making this an exec_appointment event. The appointment of a chief executive is material to investors' assessment of the registrant's leadership and governance.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-15T10:11:54.133148+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":36885,"accession_number":"0001292814-26-004554","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The exhibit announces the Board's appointment of Mr. Alfonso Camilo Barco Muñoz as Acting Chief Executive Officer, effective September 15, 2026. While the disclosure also mentions Mr. Juan Carlos Hurtado Parra's retirement, the principal disclosed action is the appointment of a new CEO, making this an exec_appointment event. The appointment of a chief executive is material to investors' assessment of the registrant's leadership and governance.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-15T10:11:54.133148+00:00","company_name":"ECOPETROL S.A.","ticker":"EC","filing_date":"2026-09-15"}]}
