OGE Energy (OGE) - 2025 Q4 - Annual Report

| UNITED STATES | | | | --- | --- | --- | | SECURITIES AND EXCHANGE COMMISSION | | | | Washington, D.C. 20549 | | | | FORM 10-K | | | | ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | | For the fiscal year ended December 31, 2025 | | | | OR | | | | ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | | For the transition period from to | | | | Exact name of registrants as specified in their charters, address o ...