Ronald J. Tanski - 08 May 2026 Form 4 Insider Report for CMS ENERGY CORP (CMS)

Reporting relationship: Director
Issuer ticker: CMS
Reported as of: 08 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 May 2026, 18:35:47 UTC
Prior SEC filing: 02 Apr 2026
Next SEC filing: 02 Jul 2026
Source filing: View source filing
Reporting owner signature: Rhonda M. Morris, Attny-in-fact

Key filing fact

Ronald J. Tanski filed Form 4 for CMS ENERGY CORP (CMS) on 11 May 2026.

Key facts

This page summarizes Ronald J. Tanski's Form 4 filing for CMS ENERGY CORP (CMS).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 11 May 2026, 18:35.

Change

Previous filing in this sequence was filed on 02 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001209940 Primary reporting owner

TANSKI RONALD J

Relationship: Director
Address: ONE ENERGY PLAZA, JACKSON
Signature: Rhonda M. Morris, Attny-in-fact
Signature date: 11 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CMS transaction

Common Stock

Award

Transaction value
Shares: +2,411
Change %: +13%
Price: $0.000000^*
Shares after: 20,903
Date: 08 May 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Grant of 2,411 shares of Restricted Stock pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.

Footnote F2

The total holdings reflect an adjustment of 470 additional shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards granted in accordance with the provisions of the CMS Performance Incentive Stock Plan.