Form 8-K

8-K — CMS ENERGY CORP

Accession: 0001104659-26-060230

Filed: 2026-05-13

Period: 2026-05-08

CIK: 0000811156

SIC: 4931 (ELECTRIC & OTHER SERVICES COMBINED)

Item: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Item: Submission of Matters to a Vote of Security Holders

Item: Financial Statements and Exhibits

Documents

8-K — tm2614313d1_8k.htm (Primary)

EX-3.1 — EXHIBIT 3.1 (tm2614313d1_ex3-1.htm)

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UNITED STATES

SECURITIES AND

EXCHANGE COMMISSION

Washington, D.C.

20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13

OR 15(d) OF

THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported)

May 8, 2026

Commission

Registrant; State of Incorporation;

IRS Employer

File Number

Address; and Telephone Number

Identification No.

1-9513

CMS ENERGY CORPORATION

(A Michigan Corporation)

One Energy Plaza

Jackson, Michigan 49201

(517) 788-0550

38-2726431

1-5611

CONSUMERS ENERGY COMPANY

Michigan Corporation)

One Energy Plaza

Jackson, Michigan 49201

(517) 788-0550

38-0442310

Check the appropriate box below if the Form 8-K filing

is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant

to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant

to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications

pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange

Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange

on which registered

CMS Energy Corporation Common Stock, $0.01 par value

CMS

New York Stock Exchange

CMS Energy Corporation 5.625% Junior Subordinated Notes due 2078

CMSA

New York Stock Exchange

CMS Energy Corporation 5.875% Junior Subordinated Notes due 2078

CMSC

New York Stock Exchange

CMS Energy Corporation 5.875% Junior Subordinated Notes due 2079

CMSD

New York Stock Exchange

CMS Energy Corporation, Depositary Shares,

each representing a 1/1,000th interest in a share of 4.200% Cumulative Redeemable Perpetual Preferred Stock, Series C

CMS PRC

New York Stock Exchange

Consumers

Energy Company Cumulative Preferred Stock, $100 par value: $4.50 Series

CMS-PB

New York Stock Exchange

Indicate

by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405

of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).  Emerging growth

company: CMS Energy Corporation ¨ Consumers

Energy Company ¨

an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying

with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  CMS

Energy Corporation ¨ Consumers

Energy Company ¨

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Item 5.03. Amendments to Articles of Incorporation or Bylaws;

Change in Fiscal Year.

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. A copy of the amendments is attached as exhibit

3.1 and is incorporated by reference herein.

Item 5.07. Submission of Matters to a Vote of Security Holders.

CMS ENERGY CORPORATION

At the CMS Energy 2026 annual meeting of shareholders held on May 8,

2026, the shareholders of CMS Energy voted upon the proposals as described in its proxy statement dated March 26, 2026. The results of

the shareholder votes are as follows.

Proposal to elect members to the CMS Energy Board of Directors. All of the nominees were elected with the votes for individual nominees as follows:

Number of Votes:

FOR

AGAINST

ABSTAIN

BROKER

NON-VOTE

Deborah H. Butler

249,960,034

20,537,029

210,559

13,820,318

Ralph Izzo

268,852,301

1,640,726

214,595

13,820,318

Richard P. Keyes

269,881,299

612,128

214,195

13,820,318

Diane Leopold

269,940,244

559,566

207,812

13,820,318

Garrick J. Rochow

251,112,883

19,377,836

216,903

13,820,318

John G. Russell

246,721,469

23,772,778

213,375

13,820,318

Suzanne F. Shank

267,923,065

2,575,335

209,222

13,820,318

Myrna M. Soto

250,164,278

20,328,365

214,979

13,820,318

John G. Sznewajs

259,536,874

10,955,016

215,732

13,820,318

Ronald J. Tanski

265,603,191

4,889,866

214,565

13,820,318

Laura H. Wright

246,189,708

24,303,411

214,503

13,820,318

Non-binding advisory proposal to approve the compensation paid to CMS Energy’s named executive officers, as disclosed in its proxy statement pursuant to the compensation disclosure rules of the Securities and Exchange Commission, including the Compensation Discussion and Analysis, the compensation tables and the related narrative disclosure, was approved, with a vote as follows:

Number of Votes:

FOR

AGAINST

ABSTAIN

BROKER

NON-VOTE

250,583,557

19,690,248

433,817

13,820,318

Proposal to ratify the appointment of PricewaterhouseCoopers LLP as the independent registered public accounting firm to audit CMS Energy’s financial statements for the year ending December 31, 2026 was approved, with a vote as follows:

Number of Votes:

FOR

AGAINST

ABSTAIN

266,522,614

17,797,090

208,236

Proposal to amend the CMS Energy

Restated Articles of Incorporation Increasing the Number of Authorized Shares of CMS Common Stock from 350 Million Shares to 700

Million Shares was approved with a vote as follows:

Number of Votes:

FOR

AGAINST

ABSTAIN

272,315,602

11,905,432

306,906

5. Proposal to amend the CMS Energy

Restated Articles of Incorporation to Allow Shareholders to Call a Special Meeting was approved, with a vote as follows:

Number of Votes:

FOR

AGAINST

ABSTAIN

BROKER

NON-VOTE

263,191,924

7,285,900

229,798

13,820,318

6. Shareholder Proposal: Shareholder

Right to Act by Written Consent did not receive the majority of votes, with a vote as follows:

Number of Votes:

FOR

AGAINST

ABSTAIN

BROKER

NON-VOTE

97,341,575

172,764,095

601,952

13,820,318

CONSUMERS ENERGY COMPANY

At the concurrent Consumers Energy Company (“Consumers Energy”)

2026 annual meeting of shareholders, the shareholders of Consumers Energy voted upon the proposals as described in its proxy statement

dated March 26, 2026. The results of the shareholder votes are as follows.

1. Proposal

to elect members to the Consumers Energy Board of Directors. All of the nominees were elected with

the votes for individual nominees as follows:

Number of Votes:

FOR

WITHHOLD

BROKER

NON-VOTE

Deborah H. Butler

84,179,961

12,401

158,125

Ralph Izzo

84,184,068

8,294

158,125

Richard P. Keyes

84,182,276

10,086

158,125

Diane Leopold

84,181,238

11,124

158,125

Garrick J. Rochow

84,183,024

9,338

158,125

John G. Russell

84,183,043

9,319

158,125

Suzanne F. Shank

84,180,320

12,042

158,125

Myrna M. Soto

84,179,668

12,694

158,125

John G. Sznewajs

84,182,967

9,395

158,125

Ronald J. Tanski

84,183,489

8,873

158,125

Laura H. Wright

84,179,964

12,398

158,125

2. Non-binding

advisory proposal to approve the compensation paid to Consumers Energy’s named executive

officers, as disclosed in its proxy statement pursuant to the compensation disclosure rules

of the Securities and Exchange Commission, including the Compensation Discussion and Analysis,

the compensation tables and the related narrative disclosure, was approved, with a vote as

follows:

Number of Votes:

FOR

AGAINST

ABSTAIN

BROKER

NON-VOTE

84,170,833

14,625

6,904

158,125

3. Proposal

to ratify the appointment of PricewaterhouseCoopers LLP as the independent registered public

accounting firm to audit Consumers Energy’s financial statements for the year ending

December 31, 2026 was approved, with a vote as follows:

Number of Votes:

FOR

AGAINST

ABSTAIN

84,334,313

13,542

2,632

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

3.1 Amendments to CMS Energy’s Restated Articles of Incorporation

104 Cover Page Interactive Data File (the cover page XBRL tags are embedded in the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act

of 1934, the Registrants have duly caused this report to be signed on their behalf by the undersigned hereunto duly authorized.

CMS ENERGY CORPORATION

Dated: May 13, 2026

By:

/s/ Melissa M. Gleespen

Melissa M. Gleespen

Vice President, Corporate Secretary and Chief Compliance Officer

CONSUMERS ENERGY COMPANY

Dated: May 13, 2026

By:

/s/ Melissa M. Gleespen

Melissa M. Gleespen

Vice President, Corporate Secretary and Chief Compliance Officer

EX-3.1 — EXHIBIT 3.1

EX-3.1

Filename: tm2614313d1_ex3-1.htm · Sequence: 2

Exhibit 3.1

CMS Energy Corporation

Amendments to Restated Articles of Incorporation

ARTICLE III

The total number of shares of all classes of stock which the Corporation

shall have authority to issue is 710,000,000, of which 10,000,000 shares, par value $.01 per share, are of a class designated Preferred

Stock (“Preferred Stock”), and 700,000,000 shares, par value $.01 per share, are of a class designated Common Stock (“Common

Stock”). The statement of the designations and the voting and other powers, preferences and rights, and the qualifications, limitations

or restrictions thereof, of the Common Stock and of the Preferred Stock is as follows: Series Established By Articles - There is hereby

established one series of Preferred Stock designated as 4.200% Cumulative Redeemable Perpetual Preferred Stock. The number of shares that

shall constitute such series shall be 9,200 shares. COMMON STOCK - The shares of Common Stock may be issued from time to time as the Board

of Directors shall determine for such consideration as shall be fixed by the Board of Directors.

ARTICLE V

Special meetings of the shareholders may be called by the Board of

Directors, the Chairman of the Board, or shareholders entitled to cast at least 10% of the outstanding shares entitled to vote thereon.

The procedure to be followed by shareholders in calling a special meeting and the methodology for determining the percentage of votes

entitled to be cast by the shareholders seeking to call a special meeting (including without limitation any minimum holding periods or

other limitations or conditions) shall be as set forth in the bylaws of the Corporation.

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