Ameren said it sold $400 million principal amount of its 5.00% Senior Notes due 2036 on March 4, 2026.

8-KOther EventsFiled Mar 4, 2026Period of report Mar 4, 2026Summary published (UTC) Oct 3, 2026

Key points

AI summary

Ameren said it sold $400 million principal amount of its 5.00% Senior Notes due 2036 on March 4, 2026.
The company said it received net offering proceeds of approximately $396.6 million before expenses upon closing of the transaction.
The company said the Notes were offered under a Registration Statement on Form S-3 (File No. 333-274977), which became effective on October 13, 2023, and a Prospectus Supplement dated February 26, 2026.
The company said it filed the Underwriting Agreement dated February 26, 2026 and the Company Order dated March 4, 2026 as exhibits related to the issuance of the Notes.

Summary

AI-written

Analysis scope · Filing bodyWe analyzed the filing body and confirmed exhibits. This is not a review of other exhibits, investor presentations or the full earnings call.

5.00% Senior Notes due 2036 Priced at $400 million

Ameren said it sold $400 million principal amount of its 5.00% Senior Notes due 2036 on March 4, 2026.

Source · Based on the filing body and exhibits

Net Offering Proceeds of About $396.6 million

The company said it received net offering proceeds of approximately $396.6 million before expenses upon closing of the transaction.

Source · Based on the filing body and exhibits

Offering Based on Form S-3 Registration Statement and Prospectus Supplement

The company said the Notes were offered under a Registration Statement on Form S-3 (File No. 333-274977), which became effective on October 13, 2023, and a Prospectus Supplement dated February 26, 2026.

Source · Based on the filing body and exhibits

Underwriting Agreement and Legal Opinions Filed

The company said it filed the Underwriting Agreement dated February 26, 2026 and the Company Order dated March 4, 2026 as exhibits related to the issuance of the Notes.

Source · Based on the filing body and exhibits

AI summarized the filing and translated the summary into English; it may differ from the original. For reference only, not investment advice. AI translated the published Korean report into English. Figures are copied as filed, not recalculated.

Original filing

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