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): April 16, 2026

CENTERPOINT ENERGY, INC.

(Exact name of registrant as specified in its charter)

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 (see General Instruction A.2. below):

¨       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))

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

Emerging Growth Company ¨

If 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. ¨

At the annual meeting of the shareholders of CenterPoint Energy, Inc. (“CenterPoint Energy”) held on April 16, 2026 (the "Annual Meeting"), upon the recommendation of the Board of Directors of CenterPoint Energy (the “Board”), the shareholders of CenterPoint Energy approved the amendment and restatement of CenterPoint Energy's Articles of Incorporation (as amended and restated, the “Amended and Restated Certificate of Formation”) to provide for limited officer exculpation, as permitted by Texas law, and make certain other immaterial updates.

CenterPoint Energy disclosed the proposed Amended and Restated Certificate of Formation in CenterPoint Energy's 2026 Proxy Statement filed with the Securities and Exchange Commission on March 4, 2026 (the “2026 Proxy Statement”) under “Item 4: Approval of CenterPoint Energy's Amended and Restated Certificate of Formation to Provide for Limited Officer Exculpation and Make Certain Other Immaterial Updates.” The foregoing description does not purport to be complete and is qualified in its entirety by reference to the text of the Amended and Restated Certificate of Formation, which is filed as Exhibit 3.1 to this report and is incorporated by reference herein.

On April 16, 2026, CenterPoint Energy filed the Amended and Restated Certificate of Formation with the Texas Secretary of State, and the Amended and Restated Certificate of Formation became effective on such date.

At the Annual Meeting, the matters voted upon and the number of votes cast for or against, as well as the number of abstentions and broker non-votes as to such matters, were as stated below. The proposals related to each matter are described in detail in the 2026 Proxy Statement.

Election of Directors (Item 1)

The following nominees for director were elected to serve one-year terms expiring at the 2027 annual meeting of shareholders, with the vote totals as set forth in the table below:

Ratification of Appointment of Independent Registered Public Accounting Firm (Item 2)

The appointment of Deloitte & Touche LLP as the independent registered public accounting firm for CenterPoint Energy for 2026 was ratified, with the vote totals as set forth in the table below:

Advisory Vote on Executive Compensation (Item 3)

The advisory resolution on executive compensation was approved, with the vote totals as set forth in the table below:

Approval of CenterPoint Energy's Amended and Restated Certificate of Formation (Item 4)

CenterPoint Energy's Amended and Restated Certificate of Formation providing for limited officer exculpation and certain other immaterial updates was approved, with the vote totals as set forth in the table below:

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

ATTACHMENTS / EXHIBITS

EXHIBIT 3.1

XBRL TAXONOMY EXTENSION SCHEMA

XBRL TAXONOMY EXTENSION LABEL LINKBASE

XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE

IDEA: R1.htm

IDEA: FilingSummary.xml

IDEA: MetaLinks.json

IDEA: tm2612010d1_8k_htm.xml