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OGE ENERGY CORP.

For the period ended Jul 28, 2026. Filed Aug 3, 2026.

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A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Jul 28, 2026 · Filed Aug 3, 2026

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OGE$50.64-0.4%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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) · July 28, 2026
(Commission File Number) · (Exact Name of Registrant as Specified in Its Charter) · (I.R.S. Employer Identification No.)
1-12579OGE ENERGY CORP.73-1481638
Oklahoma
(State or Other Jurisdiction of Incorporation)
321 North HarveyP.O. Box 321Oklahoma CityOklahoma73101-0321
(Address of Principal Executive Offices)(Zip Code)

(405)553-3000

(Registrant's telephone number, including area code)

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

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))

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

RegistrantTitle of each classTrading Symbol(s)Name of each exchange on which registered
OGE Energy Corp.Common StockOGENew 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) 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. ☐

OGE Energy Corp. ("OGE Energy") is the parent company of Oklahoma Gas and Electric Company, a regulated electric company with approximately 917,000 customers in Oklahoma and western Arkansas.

On July 28, 2026, OGE Energy's Board of Directors elected a new director, Richard (Rick) E. Muncrief, effective August 1, 2026. Mr. Muncrief’s term will expire at OGE Energy's

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