secwatch.observer — SEC 8-K summary ====================================== Issuer: BLACK HILLS CORP /SD/ (BKH) CIK: 0001130464 Form: 8-K Filed at: 2025-09-29T23:59:59+00:00 Accession: 0001104659-25-094481 Event type: debt Sentiment: neutral Materiality: 0.55 Item codes: 1.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Black Hills issues $450M of 4.550% Notes due 2031; net proceeds ~$447M ---------------------------------------------------------------------- - Issued $450M aggregate principal of 4.550% Notes due 2031. - Net proceeds approximately $447M after original issue discount and underwriting discounts. - Settlement scheduled for October 2, 2025, subject to customary closing conditions. - Offered under existing shelf registration statement (Form S-3). Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1130464/000110465925094481/0001104659-25-094481-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1130464/000110465925094481/tm2526501d4_8k.htm HTML page: https://secwatch.observer/filing/0001104659-25-094481 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer