{"filing":{"accession_number":"0001292814-26-004404","cik":"0001444406","ticker":"EC","company_name":"ECOPETROL S.A.","form":"6-K","filing_date":"2026-08-31","report_date":"2026-09-30","primary_document":"ec20260831_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1444406/000129281426004404/ec20260831_6k.htm"},"events":[{"id":30722,"run_id":28165,"accession_number":"0001292814-26-004404","anchor_item_number":"EX-99.1","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"summary":"The announcement discloses two executive appointments: Ms. Diana Marcela Acero Rojas as Acting Corporate Vice President of Science, Technology and Innovation (effective September 1, 2026) and Mr. Henryk Manuel Porras Villamil as Acting Executive Vice President of Energy Transition (effective August 31, 2026). While both are interim/acting roles, they represent formal Board-adopted resolutions elevating individuals to senior management positions. The disclosure also mentions departures (Mr. Moreno ceasing his role and Mr. Gómez Cabarcas taking statutory leave), but the principal disclosed action is the appointment of two executives to Vice President-level roles, making exec_appointment the primary classification. These are material changes to senior leadership at a major integrated energy company.","company_name":"ECOPETROL S.A.","ticker":"EC","filing_date":"2026-08-31","form":"6-K","submitted_at":null,"items":[{"id":33410,"accession_number":"0001292814-26-004404","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"The announcement discloses two executive appointments: Ms. Diana Marcela Acero Rojas as Acting Corporate Vice President of Science, Technology and Innovation (effective September 1, 2026) and Mr. Henryk Manuel Porras Villamil as Acting Executive Vice President of Energy Transition (effective August 31, 2026). While both are interim/acting roles, they represent formal Board-adopted resolutions elevating individuals to senior management positions. The disclosure also mentions departures (Mr. Moreno ceasing his role and Mr. Gómez Cabarcas taking statutory leave), but the principal disclosed action is the appointment of two executives to Vice President-level roles, making exec_appointment the primary classification. These are material changes to senior leadership at a major integrated energy company.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-01T10:05:43.628095+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":33410,"accession_number":"0001292814-26-004404","item_number":"EX-99.1","item_title":"ex99-1.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"The announcement discloses two executive appointments: Ms. Diana Marcela Acero Rojas as Acting Corporate Vice President of Science, Technology and Innovation (effective September 1, 2026) and Mr. Henryk Manuel Porras Villamil as Acting Executive Vice President of Energy Transition (effective August 31, 2026). While both are interim/acting roles, they represent formal Board-adopted resolutions elevating individuals to senior management positions. The disclosure also mentions departures (Mr. Moreno ceasing his role and Mr. Gómez Cabarcas taking statutory leave), but the principal disclosed action is the appointment of two executives to Vice President-level roles, making exec_appointment the primary classification. These are material changes to senior leadership at a major integrated energy company.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-01T10:05:43.628095+00:00","company_name":"ECOPETROL S.A.","ticker":"EC","filing_date":"2026-08-31"}]}