{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-019676","form_type":"8-K","ticker":"AEE","cik":"0001002910","company_name":"AMEREN CORP","filed_at":"2025-03-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:02.645037+00:00","generated_at":"2026-05-25T16:39:42.392991+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Ameren Illinois issues $350M of 5.625% First Mortgage Bonds due 2055","bullets":["$350M principal amount of 5.625% First Mortgage Bonds due 2055 sold on March 3, 2025.","Net proceeds of ~$346.9M before expenses; offering under existing shelf registration.","Underwriters: BNY Mellon, BofA, Morgan Stanley, and Truist Securities.","Bonds are secured by a first mortgage on Ameren Illinois property; matures in 30 years."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-019676","json":"https://secwatch.observer/filing/0001104659-25-019676.json","markdown":"https://secwatch.observer/filing/0001104659-25-019676.md","text":"https://secwatch.observer/filing/0001104659-25-019676.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1002910/000110465925019676/0001104659-25-019676-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/18654/000110465925019676/tm257258d5_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-25T16:39:42.392991+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"}