Company: SFNC
Filing Date: 2025-04-02
Form Type: DEF 14A
Source: 0001174947-25-000476
Chunk: 4

Company: SIMMONS FIRST NATIONAL CORP
Filing Date: 2025-04-02
Form: DEF 14A
Chunk 4
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 to vote (or abstain) on any one or more of the proposals, the proxy will be voted “For” all of the director nominees in Proposal 2 and “For” Proposals1,3, and4, as applicable. Further, if any matter, other than the matters shown on the proxy, is properly presented at the meeting which may be acted upon without special notice under Arkansas law, the proxy solicited hereby confers discretionary authority to the named proxies to vote in their sole discretion with respect to such matters, as well as other matters incident to the conduct of the meeting. On the date of the mailing of this proxy statement, the Board has no knowledge of any such other matter which will come before the meeting. To obtain directions to attend the annual meeting of shareholders and vote in person, please contact Ed Bilek, Director of Investor and Media Relations, at investorrelations@simmonsbank.com or 501 -263-7483. 2

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS The following table sets forth (except as otherwise indicated, as of February 7, 2025) (1) all persons known to management who own, beneficially or of record, more than 5% of the outstanding Common Stock, (2) the number of shares of Common Stock owned by the named executive officers in the Summary Compensation Table, (3) the number of shares of Common Stock owned by each current director and director nominee (as reported by each director and nominee), and (4) the number of shares of Common Stock owned by all current directors and current executive officers as a group.

| Name and Address of Beneficial Owner               |     |    Shares Owned 
 Beneficially[a] |     | Percent of Class[b] |   |
| BlackRock, Inc.[c]                                 
 50 Hudson Yards                                    
 New York, New York 10001                           |     |      18,043,806 |     |               14.33 | % |
| The Vanguard Group[d]                              
 100 Vanguard Blvd.                                 
 Malvern, PA 19355                                  |     |      15,207,448 |     |               12.08 | % |
| Dimensional Fund Advisors LP[e]                    
 6300 Bee Cave Road                                 
 Building One                                       
 Austin, TX 78746                                   |     |       6,566,353 |     |                5.21 | % |
| State Street Corporation[f]                        
 One Congress