FORM10-K ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year endedDecember 31,2024or☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from ____to____Commission file number0-14384 (Exact name of registrant as specified in its charter) 100 N. Broadway Ave.,Oklahoma City,Oklahoma73102(Address of principal executive offices) (Zip Code)Registrant’s telephone number, including area code: (405)270-1086Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.Yes☒No☐ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.Yes☐No☒ Indicate by check mark whether the registrant (1) has filed all reports required by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months(or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.Yes☒No☐Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T duringthe preceding 12 months (or for such shorter period that the registrant was required to submit such files).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or emerging growthcompany. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the ExchangeAct. Large accelerated filer☒Accelerated filer☐Non-accelerated filer☐Smaller reporting company☐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 financialaccounting standards provided pursuant to Section 13(a) of the Exchange Act.☐Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect thecorrection of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of theregistrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ Indicate by check mark whether the registrant is a shell company (as defined by Rule 12b-2 of the Exchange Act).Yes☐No☒ The aggregate market value of the Common Stock held by nonaffiliates of the registrant computed using the last sale price on June 30, 2024 was approximately$1,814,370,049. As of January 31, 2025, there were33,228,202shares of Common Stock outstanding.DOCUMENTS INCORPORATED BY REFERENCE:Portions of the Proxy Statement for the 2025 Annual Meeting of Stockholders of the registrant (the “2025 Proxy Statement”) to be filed pursuant to Regulation 14A are incorporated by reference into Part III of this report. TABLEOFCONTENTS PART I 1.Business1A.Risk Factors1B.Unresolved Staff Comments1C.Cybersecurity2.Properties3.Legal Proceedings4.Mine Safety Disclosures PART II 5.Market for the Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities276.Reserved277.Management’s Discussion and Analysis of Financial Condition and Results of Operations287A.Quantitative and Qualitative Disclosures about Market Risk488.Financial Statements and Supplementary Data499.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure1029A.Controls and Procedures1029B.Other Information1059C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections105 PART III 10.Directors, Executive Officers and Corporate Governance10511.Executive Compensation10512.Security Ownership of Certain Beneficial Owners and Management10513.Certain Relationships and Related Transactions, and Director Independence10514.Principal Accountant Fees and Services105 PART IV Signatures109 PART I Item 1.Business. General BancFirst Corporation (the “Company”) is a financial holding company headquartered in Oklahoma City, Oklahoma and registeredunder the Bank Holding Company Act of 1956, as amended (the “BHC Act”). It conducts a vast majority of its operating activities throughits wholly-owned subsidiary, B