CenterPoint Energy 8-K 2026-04-23

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 23, 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. ¨

On April 23, 2026, CenterPoint Energy, Inc. (“CenterPoint Energy”) reported first quarter 2026 earnings. For additional information regarding CenterPoint Energy’s first quarter 2026 earnings, please refer to CenterPoint Energy’s press release attached to this report as Exhibit 99.1 (the “Press Release”), which Press Release is incorporated by reference herein.

CenterPoint Energy is holding a conference call to discuss its first quarter 2026 earnings on April 23, 2026. Information about the call can be found in the Press Release furnished herewith as Exhibit 99.1. For additional information regarding CenterPoint Energy’s first quarter 2026 earnings, please refer to the supplemental materials that are being posted on CenterPoint Energy’s website and are attached to this report as Exhibit 99.2 (the “Supplemental Materials”), which Supplemental Materials are incorporated by reference herein.

The information in the Press Release and the Supplemental Materials is being furnished, not filed, pursuant to Items 2.02 and 7.01, respectively. Accordingly, the information in the Press Release and the Supplemental Materials will not be incorporated by reference into any registration statement filed by CenterPoint Energy under the Securities Act of 1933, as amended, unless specifically identified therein as being incorporated therein by reference.

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.