Southside Bancshares Inc 2025年度报告

Form 10-K(Mark One) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Transition Period From _______ to _______ Commission file number 001-42396SOUTHSIDE BANCSHARES, INC. 1201 S. Beckham Avenue,Tyler,Texas(Address of Principal Executive Offices) Registrant’s telephone number, including area code: (903) 531-7111 Securities registered pursuant to Section 12(b) of the Act: Securities registered pursuant to Section 12(g) of the Act:NONEIndicate 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 to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934during 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 filingrequirements 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 ofRegulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit suchfiles).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, oremerging growth company.See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growthcompany” in Rule 12b-2 of the Exchange Act: Accelerated filerSmaller reporting companyEmerging growth companyIf 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.☐ 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 controlover 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 issuedits 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 thefiling reflect the correction 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 receivedby any of the registrant’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 in Rule 12b-2 of the Act). Yes☐No☒ The aggregate market value of the common stock held by non-affiliates of the registrant as of June 30, 2025, was approximately $837.3 million (based uponthe closing price of $29.43 per share as reported by the New York Stock Exchange on June30,2025, the last business day of the registrant’s most recentlycompleted second fiscal quarter). As of February24, 2026, there were 29,735,507 shares of the registrant’s common stock outstanding. Table of Contents DOCUMENTS INCORPORATED BY REFERENCE Certain portions of the Registrant’s proxy statement to be filed for the Company’s Annual Meeting of Shareholders to be held on May14, 2026 areincorporated by reference into Part III of this Annual Report on Form 10-K.Other than those portions of the proxy statement specifically incorporated byreference pursuant to Items 10-14 of Part III hereof, no other portions of the proxy statement shall be deemed so incorporated herein. SOUTHSIDE BANCSHARES, INC.Form 10-KFor the Fiscal Year Ended December 31, 2025TABLE OF CONTENTS Glossary of Acronyms, Abbreviations and TermsPART IItem 1.BusinessItem 1A.Risk FactorsItem 1B.Unresolved Staff CommentsItem 1C.CybersecurityItem 2.PropertiesItem 3.Legal ProceedingsItem 4.Mine Safety DisclosuresPART IIItem 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of EquitySecuritiesItem 6.[Reserved]Item 7.Management’s Discussion and Analysis of Financial Condition and Results of OperationsItem 7A.Quantitative and Qualitative Disclosures About Market RiskItem 8.Financial Statements and Supplementary DataReport of Independent Registered Public Accounting FirmConsolidated Financial StatementsNotes to Consolidated Financial StatementsItem 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure133Item 9A.Controls and Procedures133Item 9B.Other Information135PART IIIItem 10.Directors, Executive Officers and Corporate Governance135Item 11.Executive Compensa