CMS Energy director receives restricted stock grant

SHANK SUZANNE F. reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

SHANK SUZANNE F. reported acquisition or exercise transactions in this Form 4 filing.

CMS Energy Corp director Suzanne F. Shank received a grant of 2,411 shares of restricted stock units. The award was made under CMS Energy Corporation's Performance Incentive Stock Plan at no cash cost and is subject to vesting at the next annual meeting date.

After this grant and an adjustment of 568 additional shares from dividend reinvestment or equivalents tied to prior restricted stock awards, her direct holdings total 23,680 shares of CMS common stock. This filing reflects routine equity compensation for a director rather than an open-market share purchase or sale.

Insider Trade Summary

Grant/Award: 2,411 shares

Grant/Award 1 txn

Insider SHANK SUZANNE F.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,411	$0.00	$0.00

Holdings After Transaction: Common Stock — 23,680 shares (Direct)

Footnotes (2)

1. F1. Grant of 2,411 shares of Restricted Stock Units pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date.
2. F2. The total holdings reflect an adjustment of 568 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.

Key Figures

Restricted Stock Unit Grant: 2,411 shares Total Holdings After Transaction: 23,680 shares Dividend Reinvestment Adjustment: 568 shares

3 metrics

Restricted Stock Unit Grant 2,411 shares Grant of restricted stock units to director on 2026-05-08

Total Holdings After Transaction 23,680 shares Director’s direct CMS common stock holdings following grant

Dividend Reinvestment Adjustment 568 shares Additional shares from dividend reinvestment or equivalents

Key Terms

Restricted Stock Units, Performance Incentive Stock Plan, dividend reinvestment or equivalents

3 terms

Restricted Stock Units financial

"Grant of 2,411 shares of Restricted Stock Units pursuant to CMS Energy Corporation's Performance Incentive Stock Plan"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Performance Incentive Stock Plan financial

"pursuant to CMS Energy Corporation's Performance Incentive Stock Plan, and subject to vest at the next annual meeting date"

dividend reinvestment or equivalents financial

"shares of Common Stock of CMS acquired as a result of dividend reinvestment or equivalents pursuant to the Restricted Stock awards"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did CMS (CMS) director Suzanne F. Shank report in this Form 4?

Suzanne F. Shank reported receiving 2,411 restricted stock units in CMS Energy common stock. The grant was made under the company’s Performance Incentive Stock Plan and represents equity compensation, not an open-market stock purchase or sale.

How many CMS (CMS) shares did Suzanne F. Shank acquire in this grant?

She acquired 2,411 shares in the form of restricted stock units. These units are part of a compensation award and will vest at the next annual meeting date, rather than being immediately unrestricted common shares.

What are Suzanne F. Shank’s total CMS (CMS) share holdings after this transaction?

Following the grant and a 568-share adjustment from dividend reinvestment or equivalents, her direct CMS common stock holdings total 23,680 shares. This reflects her updated ownership position reported in the Form 4 filing.

Are the 2,411 CMS (CMS) shares a market purchase by Suzanne F. Shank?

No, the 2,411 shares are a grant of restricted stock units awarded at no cash price. They were provided as part of CMS Energy’s Performance Incentive Stock Plan, rather than being bought on the open market.

When do Suzanne F. Shank’s new CMS (CMS) restricted stock units vest?

The 2,411 restricted stock units are subject to vest at the next annual meeting date. Until vesting, they remain restricted under the terms of CMS Energy’s Performance Incentive Stock Plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/11/2026 - 06:32 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SHANK SUZANNE F.

(Last) (First) (Middle)

ONE ENERGY PLAZA

(Street)

JACKSON MICHIGAN 49201

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CMS ENERGY CORP [ CMS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/08/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/08/2026		A		2,411(1)	A	$0	23,680	D(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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

2. The total holdings reflect an adjustment of 568 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.

Remarks:

	Rhonda M. Morris, Attny-in-fact	05/11/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)