secwatch.observer — SEC 8-K summary ====================================== Issuer: Duke Energy CORP (DUK) CIK: 0001326160 Form: 8-K Filed at: 2026-04-01T23:59:59+00:00 Accession: 0001104659-26-038007 Event type: m_and_a Sentiment: positive Materiality: 0.70 Item codes: 2.01, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Duke Energy completes sale of Piedmont TN gas business to Spire for $2.48B -------------------------------------------------------------------------- - Completed sale of Piedmont Tennessee natural gas business to Spire for $2.48B cash on March 31, 2026. - $800M proceeds used for debt paydown; net $1.5B to fund Duke's $103B capital plan. - Transaction includes ~3,800 miles of pipelines, 200K+ customers; employees transitioned to Spire. - Estimated pre-tax gain of $693M per pro forma; pro forma net income $887M for Piedmont. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1326160/000110465926038007/0001104659-26-038007-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/78460/000110465926038007/tm2610676d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-038007 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer