---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-060321"
form_type: "8-K"
ticker: "CMS"
cik: "0000811156"
company_name: "CMS ENERGY CORP"
filed_at: "2026-05-13T20:43:36+00:00"
generated_at: "2026-05-13T21:20:10.197496+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# CMS Energy launches $3B at-the-market equity offering program

## Summary
- Filed prospectus supplement for at-the-market offering of up to $3B of common stock.
- Equity distribution agreement with 17 banks as forward purchasers and agents.
- Sales may occur through NYSE, block trades, or privately at prevailing market prices.
- CMS Energy has no obligation to sell any shares; actual sales depend on market conditions.
- Shares offered via forward sale agreements; proceeds received upon physical settlement.

## SEC filing metadata
- accession: 0001104659-26-060321
- form_type: 8-K
- ticker: CMS
- cik: 0000811156
- company_name: CMS ENERGY CORP
- filed_at: 2026-05-13T20:43:36+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/811156/000110465926060321/0001104659-26-060321-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/811156/000110465926060321/tm2614454d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-060321
- JSON: https://secwatch.observer/filing/0001104659-26-060321.json
- Plain text: https://secwatch.observer/filing/0001104659-26-060321.txt

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