SIMMONS FIRST NATIONAL CORP

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

For the fiscal year ended December 31, 2024

OR

For the transition period from _____ to _____

Commission file number 000-06253

SIMMONS FIRST NATIONAL CORP ORATION

(Exact name of registrant as specified in its charter)

(870)541-1000

(Registrant’s telephone number, including area code)

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

Securities registered pursuant to Section 12(g) of the Act: None

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 to be filed 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 (§ 232.405 of this chapter) during the 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 an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

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. ☐

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 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 received by 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 Registrant’s Common Stock, par value $0.01 per share, held by non-affiliates on June 30, 2024, was $2,160,516,402 based upon the last trade price as reported on the Nasdaq Global Select Market® of $17.58.

The number of shares outstanding of the Registrant’s Common Stock as of February 24, 2025, was 125,807,117.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Proxy Statement for the 2025 Annual Meeting of Shareholders of the Registrant to be held on May 7, 2025, are incorporated by reference into Part III of this Form 10-K.

SIMMONS FIRST NATIONAL CORPORATION

ANNUAL REPORT ON FORM 10-K

INDEX

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

Certain statements contained in this Annual Report on Form 10-K may not be based on historical facts and should be considered “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements may be identified by reference to a future period(s) or by the use of forward-looking terminology, such as “anticipate,” “believe,” “budget,” “contemplate,” “continue,” “estimate,” “expect,” “foresee,” “intend,” “indicate,” “likely,” “target,” “plan,” “positions,” “prospects,” “project,” “predict,” or “potential,” by future conditional verbs such as “could,” “may,” “might,” “should,” “will,” or “would,” by variations of such words, or by similar expressions. These forward-looking statements include, without limitation, those relating to the Company’s future growth, business strategies, product development, acquisitions and their expected benefits, revenue, expenses, assets, asset quality, profitability, earnings, accretion, dividends, customer service, lending capacity and lending activity, loan demand, deposit levels, investment in digital channels, critical accounting policies and estimates, net interest income, net interest margin, non-interest income, non-interest expense, the Company’s stock repurchase program, consumer behavior and liquidity, the Company’s ability to recruit and retain key employees, the adequacy of the allowance for credit losses, the estimated cost savings associated with the Company’s Better Bank Initiative, income tax deductions, credit quality, the level of credit losses from lending commitments, net interest revenue, interest rates and interest rate sensitivity (including, among other things, the impact of rising or declining interest rates), economic conditions, repricing of loans and time deposits, loan loss experience, liquidity, the Company’s expectations regarding actions by the Federal Home Loan Banks (“FHLB”) and other agencies, capital resources, the expected expenses and cost savings associated with branch closures, market risk, plans for investments in (and cash flows from) securities and investment portfolio strategies, effect of pending and future litigation, staffing initiatives, estimated cost savings associated with the Company’s early retirement program and Better Bank Initiative, legal and regulatory limitations and compliance, and competition.

These forward-looking statements are based on various assumptions and involve inherent risks and uncertainties, and may not be realized due to a variety of factors, including, without limitation: changes in the Company’s operating, acquisition, or expansion strategy; the effects of future economic conditions (including unemployment levels and slowdowns in economic growth), governmental monetary and fiscal policies (including the policies of the Federal Reserve), as well as legislative and regulatory changes; general business conditions, as well as conditions within the financial markets, developments impacting the financial services industry, such as bank failures or concerns involving liquidity; changes in real estate values; changes in interest rates and related governmental policies; changes in liquidity, and the availability of and costs associated with obtaining adequate and timely sources of liquidity; increased inflation; changes in the level and composition of deposits, loan demand, deposit flows, and the values of loan collateral, securities and interest sensitive assets and liabilities; changes in credit quality; actions taken by the Company to manage its investment securities portfolio; changes in the securities markets generally or the price of the Company’s common stock specifically; changes in the assumptions used in making the forward-looking statements; developments in information technology affecting the financial industry; cyber threats, attacks or events, including at third parties on which we rely for key services; reliance on third parties for the provision of key services; the ability to collect amounts due under loan agreements; further changes in accounting principles relating to loan loss recognition; the costs of evaluating possible acquisitions and the risks inherent in integrating acquisitions; possible adverse rulings, judgements, settlements, fines and other outcomes of pending or future litigation or government actions; market disruptions, including pandemics or significant health hazards, severe weather conditions, natural disasters, terrorist activities, financial crises, political crises, war and other military conflicts (including the ongoing military conflicts between Russia and Ukraine and between Israel and Hamas) or other major events, or the prospect of these events; changes in customer behaviors and preferences, including consumer spending, borrowing, and saving habits; the soundness of other financial institutions and indirect exposure related to the closings of other financial institutions and their impact on the broader market through other customers, suppliers and partners (or that the conditions which resulted in the liquidity concerns that led to the large regional bank failures during 2023 may also adversely impact, directly or indirectly, other financial institutions and market participants with which the Company has commercial or deposit relationships); the loss of key employees; increased unemployment; labor shortages; the Company’s ability to manage and successfully integrate its mergers and acquisitions to fully realize cost savings and other benefits associated with those transactions; increased delinquency and foreclosure rates on commercial real estate and other loans; the effects of government legislation; the effects of competition from other commercial banks, thrifts, mortgage banking firms, consumer finance companies, credit unions, securities brokerage firms, insurance companies, money market and other mutual funds, and other financial institutions operating in our market area and elsewhere, including institutions operating regionally, nationally, and internationally, together with such competitors offering banking products and services by mail, cellphone/tablet, telephone, computer, and the internet; the failure of assumptions underlying the establishment of reserves for possible credit losses, fair value for loans, other real estate owned, and those factors set forth under Item 1A. “Risk Factors” of this report and other cautionary statements set forth elsewhere in this report and in other filings that have been filed with the U.S. Securities and Exchange Commission (“SEC”). Many of these factors are beyond our ability to predict or control, and actual results could differ materially from those in the forward-looking statements due to these factors and others. In addition, as a result of these and other factors, our past financial performance should not be relied upon as an indication of future performance.

We believe the assumptions and expectations that underlie or are reflected in our forward-looking statements are reasonable, based on information available to us on the date hereof. However, given the described uncertainties and risks, we cannot guarantee our future performance or results of operations or whether our future performance will differ materially from the performance reflected in or implied by our forward-looking statements, and you should not place undue reliance on these forward-looking statements. Any forward-looking statement speaks only as of the date hereof, and we undertake no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, and all written or oral forward-looking statements attributable to us are expressly qualified in their entirety by this section.