---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-016142"
form_type: "8-K"
ticker: "CMS"
cik: "0000811156"
company_name: "CMS ENERGY CORP"
filed_at: "2025-02-21T23:59:59+00:00"
generated_at: "2026-05-26T07:45:37.525307+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# CMS Energy issues $1B of 6.50% junior subordinated notes due 2055

## Summary
- Issued $1,000,000,000 aggregate principal of 6.50% Fixed-to-Fixed Reset Rate Junior Subordinated Notes due 2055.
- Notes sold under shelf registration; proceeds for general corporate purposes, including working capital and debt repayment.
- Estimated offering expenses total $2,280,100, including SEC fee of $153,100 and rating agency fee of $1,915,000.
- Underwriting syndicate led by Barclays, BofA Securities, Goldman Sachs, and J.P. Morgan.

## SEC filing metadata
- accession: 0001104659-25-016142
- form_type: 8-K
- ticker: CMS
- cik: 0000811156
- company_name: CMS ENERGY CORP
- filed_at: 2025-02-21T23:59:59+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/811156/000110465925016142/0001104659-25-016142-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/811156/000110465925016142/tm256633d4_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-016142
- JSON: https://secwatch.observer/filing/0001104659-25-016142.json
- Plain text: https://secwatch.observer/filing/0001104659-25-016142.txt

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