{"schema_version":"secwatch.filing_event.v1","accession":"0001410578-25-002261","form_type":"8-K","ticker":"DUK","cik":"0001326160","company_name":"Duke Energy CORP","filed_at":"2025-09-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.674805+00:00","generated_at":"2026-05-17T06:43:30.154943+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Duke Energy appoints former Pinnacle West CEO Jeffrey Guldner to board","bullets":["Jeffrey Guldner appointed to Duke Energy board effective Sept. 15, 2025, term expiring at 2026 annual meeting.","Guldner retired as chairman, president & CEO of Pinnacle West/APS on March 31, 2025.","He will serve on Compensation and People Development Committee and Finance and Risk Management Committee.","Guldner remains employed by Pinnacle West in non-executive advisory capacity through March 2026.","Independence determined per NYSE standards; no disclosable transactions or arrangements."],"urls":{"canonical":"https://secwatch.observer/filing/0001410578-25-002261","json":"https://secwatch.observer/filing/0001410578-25-002261.json","markdown":"https://secwatch.observer/filing/0001410578-25-002261.md","text":"https://secwatch.observer/filing/0001410578-25-002261.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1326160/000141057825002261/0001410578-25-002261-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1326160/000141057825002261/tm2525830d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T06:43:30.154943+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}