{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-092007","form_type":"8-K","ticker":"DUK","cik":"0001326160","company_name":"Duke Energy CORP","filed_at":"2024-08-22T23:59:59+00:00","discovered_at":"2026-05-14T18:03:12.609847+00:00","generated_at":"2026-05-31T08:01:01.433346+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Duke Energy issues $1B 6.45% junior subordinated debentures due 2054; proceeds to redeem Series B preferred stock","bullets":["Issued $1,000,000,000 principal of 6.45% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2054.","Net proceeds will redeem 1,000,000 shares of 4.875% Series B Fixed-Rate Reset Cumulative Redeemable Perpetual Preferred Stock on Sep 16, 2024.","Underwriters include BofA Securities, Goldman Sachs, J.P. Morgan, Morgan Stanley, RBC Capital Markets, Santander, and Truist Securities.","Debentures issued under 2008 indenture with Thirty-fourth Supplemental Indenture dated Aug 22, 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-092007","json":"https://secwatch.observer/filing/0001104659-24-092007.json","markdown":"https://secwatch.observer/filing/0001104659-24-092007.md","text":"https://secwatch.observer/filing/0001104659-24-092007.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1326160/000110465924092007/0001104659-24-092007-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1326160/000110465924092007/tm2421766d4_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T08:01:01.433346+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"}