---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-060230"
form_type: "8-K"
ticker: "CMS"
cik: "0000811156"
company_name: "CMS ENERGY CORP"
filed_at: "2026-05-13T20:05:50+00:00"
generated_at: "2026-05-13T22:08:49.053407+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# CMS Energy shareholders approve doubling authorized common stock and special meeting right

## Summary
- Shareholders approved increasing authorized common stock from 350M to 700M shares (272M for, 11.9M against).
- Shareholders approved amendment allowing shareholders to call a special meeting (263M for, 7.3M against).
- All 11 CMS Energy director nominees elected; say-on-pay and auditor ratification passed.
- Shareholder proposal on right to act by written consent failed (97.3M for, 172.8M against).

## SEC filing metadata
- accession: 0001104659-26-060230
- form_type: 8-K
- ticker: CMS
- cik: 0000811156
- company_name: CMS ENERGY CORP
- filed_at: 2026-05-13T20:05:50+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/811156/000110465926060230/0001104659-26-060230-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/201533/000110465926060230/tm2614313d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-060230
- JSON: https://secwatch.observer/filing/0001104659-26-060230.json
- Plain text: https://secwatch.observer/filing/0001104659-26-060230.txt

## Key facts
- Governance Changes
  CMS ENERGY CORP: CMS Energy amended its Restated Articles of Incorporation to increase authorized shares of common stock from 350 million to 700 million and to allow shareholders to call a special meeting (effective 2026-05-11).
  - Change: charter amendment
  - Effective: 2026-05-11
  source text: On May 8, 2026 and May 11, 2026, CMS Energy Corporation (“CMS Energy”) submitted to the Michigan Department of Licensing and Regulatory Affairs Certificates of Amendment to the CMS Energy Restated Articles of Incorporation. These amendments incorporate the increase in number of authorized shares of common stock and the shareholders ability to call a special meeting and were approved by the shareholders as set forth below.
  evidence_url: https://www.sec.gov/Archives/edgar/data/811156/000110465926060230/0001104659-26-060230-index.htm

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