---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-021486"
form_type: "8-K"
ticker: "AEE"
cik: "0001002910"
company_name: "AMEREN CORP"
filed_at: "2026-02-27T23:59:59+00:00"
generated_at: "2026-05-15T22:57:15.165053+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Ameren Missouri sells $900M of first mortgage bonds in two tranches

## Summary
- $450M of 4.80% First Mortgage Bonds due 2036 priced.
- $450M of 5.55% First Mortgage Bonds due 2056 priced.
- Aggregate net proceeds of ~$891.1M before expenses received.
- Offering made under existing shelf registration statement (File No. 333-274977-02).

## SEC filing metadata
- accession: 0001104659-26-021486
- form_type: 8-K
- ticker: AEE
- cik: 0001002910
- company_name: AMEREN CORP
- filed_at: 2026-02-27T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1002910/000110465926021486/0001104659-26-021486-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/100826/000110465926021486/tm267523d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-021486
- JSON: https://secwatch.observer/filing/0001104659-26-021486.json
- Plain text: https://secwatch.observer/filing/0001104659-26-021486.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.