secwatch.observer — SEC 8-K summary ====================================== Issuer: ALLIANT ENERGY CORP (LNT) CIK: 0000352541 Form: 8-K Filed at: 2025-05-19T23:59:59+00:00 Accession: 0001628280-25-026398 Event type: debt Sentiment: neutral Materiality: 0.60 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Interstate Power & Light prices $600M 5.600% senior debentures due 2035 ----------------------------------------------------------------------- - IPL issued $600M aggregate principal of 5.600% senior debentures due June 29, 2035. - Net proceeds to retire $50M 5.50% debentures due July 2025 and $250M 3.40% debentures due Aug 2025. - Proceeds also used to reduce commercial paper and receivables program; closing expected May 19, 2025. - Joint book-running managers: BofA Securities, Mizuho, MUFG Securities Americas, and Wells Fargo Securities. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/352541/000162828025026398/0001628280-25-026398-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/52485/000162828025026398/lnt-20250513.htm HTML page: https://secwatch.observer/filing/0001628280-25-026398 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer