---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-055752"
form_type: "8-K"
ticker: "CMS"
cik: "0000811156"
company_name: "CMS ENERGY CORP"
filed_at: "2023-05-04T23:59:59+00:00"
generated_at: "2026-06-15T23:45:11.482519+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# CMS Energy launches cash tender offer for up to $150M of outstanding debt securities

## Summary
- CMS Energy and Consumers Energy offer to purchase up to $150M aggregate principal of seven series of senior and mortgage bonds.
- Tender offer expires June 1, 2023; early tender deadline May 16, 2023 with $30/$1,000 early tender payment.
- Highest acceptance priority: Consumers’ 2.5% First Mortgage Bonds due 2060 (CUSIP 210518 DJ2).
- Offer conditioned on closing of previously announced convertible note offering to fund purchases.
- Dealer managers: Barclays Capital and J.P. Morgan; information agent: D.F. King.

## SEC filing metadata
- accession: 0001104659-23-055752
- form_type: 8-K
- ticker: CMS
- cik: 0000811156
- company_name: CMS ENERGY CORP
- filed_at: 2023-05-04T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/811156/000110465923055752/0001104659-23-055752-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/811156/000110465923055752/tm2314642d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-055752
- JSON: https://secwatch.observer/filing/0001104659-23-055752.json
- Plain text: https://secwatch.observer/filing/0001104659-23-055752.txt

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