{"filing":{"accession_number":"0001104659-26-110588","cik":"0001326160","ticker":"DUK-PA","company_name":"Duke Energy CORP","form":"8-K","filing_date":"2026-09-25","report_date":"2026-09-24","primary_document":"tm2626114d1_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1326160/000110465926110588/tm2626114d1_8k.htm"},"events":[{"id":35000,"run_id":32230,"accession_number":"0001104659-26-110588","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"Joyce Mullen was appointed to Duke Energy's Board of Directors effective September 28, 2026, and simultaneously appointed to the Audit Committee and Operations and Nuclear Oversight Committee. Her qualifications include former CEO of Fortune 500 Insight Enterprises and 21-year tenure at Dell Technologies, with expertise in AI, digital innovation, and customer-focused execution.","company_name":"Duke Energy CORP","ticker":"DUK-PA","filing_date":"2026-09-25","form":"8-K","submitted_at":null,"items":[{"id":38909,"accession_number":"0001104659-26-110588","item_number":"5.02","item_title":"Departure of Directors or Certain","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Joyce Mullen was appointed to Duke Energy's Board of Directors effective September 28, 2026, and simultaneously appointed to the Audit Committee and Operations and Nuclear Oversight Committee. The filing centers on the principal action of a person taking a board role, with detailed disclosure of her qualifications (former CEO of Fortune 500 Insight Enterprises, 21-year tenure at Dell Technologies) and compensation arrangements. This is a clear executive appointment under Item 5.02.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-25T10:32:15.964367+00:00","company_name":"","ticker":null,"filing_date":""},{"id":38910,"accession_number":"0001104659-26-110588","item_number":"8.01","item_title":"Other Events.","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Joyce Mullen as a new board member of Duke Energy, effective September 28, 2026. The press release emphasizes her qualifications as a transformative leader with experience in AI, digital innovation, and customer-focused execution, and notes she will serve on the Audit Committee and Operations and Nuclear Oversight Committee. Board appointments are material governance events affecting investor assessment of the company's leadership and oversight.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-25T10:32:15.964367+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":38909,"accession_number":"0001104659-26-110588","item_number":"5.02","item_title":"Departure of Directors or Certain","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Joyce Mullen was appointed to Duke Energy's Board of Directors effective September 28, 2026, and simultaneously appointed to the Audit Committee and Operations and Nuclear Oversight Committee. The filing centers on the principal action of a person taking a board role, with detailed disclosure of her qualifications (former CEO of Fortune 500 Insight Enterprises, 21-year tenure at Dell Technologies) and compensation arrangements. This is a clear executive appointment under Item 5.02.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-25T10:32:15.964367+00:00","company_name":"Duke Energy CORP","ticker":"DUK-PA","filing_date":"2026-09-25"},{"id":38910,"accession_number":"0001104659-26-110588","item_number":"8.01","item_title":"Other Events.","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The filing discloses the appointment of Joyce Mullen as a new board member of Duke Energy, effective September 28, 2026. The press release emphasizes her qualifications as a transformative leader with experience in AI, digital innovation, and customer-focused execution, and notes she will serve on the Audit Committee and Operations and Nuclear Oversight Committee. Board appointments are material governance events affecting investor assessment of the company's leadership and oversight.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-25T10:32:15.964367+00:00","company_name":"Duke Energy CORP","ticker":"DUK-PA","filing_date":"2026-09-25"}]}