secwatch.observer — SEC 8-K summary ====================================== Issuer: AMEREN CORP (AEE) CIK: 0001002910 Form: 8-K Filed at: 2025-09-26T23:59:59+00:00 Accession: 0001104659-25-093779 Event type: debt Sentiment: neutral Materiality: 0.55 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Ameren Illinois sells $350M of 5.625% First Mortgage Bonds due 2055 ------------------------------------------------------------------- - Sold $350M principal of 5.625% First Mortgage Bonds due 2055 on Sept 26, 2025. - Net proceeds of approximately $358.1M before expenses. - Bonds are a further issuance of the 5.625% First Mortgage Bonds originally issued March 3, 2025. - Offered via a registration statement and prospectus supplement dated Sept 15, 2025. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1002910/000110465925093779/0001104659-25-093779-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/18654/000110465925093779/tm2526883d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-25-093779 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer