Company: FSBC
Filing Date: 2025-04-02
Form Type: DEF 14A
Source: 0001275168-25-000056
Chunk: 1

Company: FIVE STAR BANCORP
Filing Date: 2025-04-02
Form: DEF 14A
Chunk 1
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 public accounting firm for the fiscal year ending December 31, 2025.

The board of directors unanimously recommends a vote “

#### FOR
” each of the 10 director nominees and “

#### FOR
” the other proposal.

It is important that your shares be represented at the annual meeting whether you plan to attend or not. You can vote your shares online, via telephone, or by completing and returning the proxy card in the enclosed return envelope if the proxy materials were mailed to you. Voting instructions are printed on your proxy card. If you vote online or via telephone, please be prepared to provide the control number from the Notice of Internet Availability of Proxy Materials or proxy card. Please indicate on the proxy card your vote on the matters presented, and sign, date, and return the proxy card using the instructions on the proxy card. If you attend the annual meeting and wish to vote in person, your proxy will be withdrawn at that time.

<div align='center'>*****</div>

I sincerely appreciate your support and look forward to seeing you at the annual meeting.

Sincerely,

James E. Beckwith

President and Chief Executive Officer

<div align='center'>1</div>

### FIVE STAR BANCORP

### NOTICE OF ANNUAL MEETING OF SHAREHOLDERS
TO THE SHAREHOLDERS OF FIVE STAR BANCORP:

NOTICE IS HEREBY GIVEN that, pursuant to the call of its board of directors, the 2025 annual meeting of shareholders (the “annual meeting”) of Five Star Bancorp (“we,” “us” or the “Company”) will be held in person at The Sutter Club, 1220 9th Street, Sacramento, California 95814 on May 15, 2025 at 3:30 p.m. Pacific Time, for the purpose of considering and voting upon the following matters:

1. Election of Directors : To elect 10 director nominees to the board of directors of the Company to serve until the next annual meeting and their successors are elected and qualified. The persons nominated by the board of directors to serve as directors are:

| Larry E. Allbaugh   |     | David F. Nickum       |
| James E. Beckwith   |     | Robert T. Perry-Smith |
| Shannon Deary-Bell  |     | Kevin F. Ramos        |
| Warren P. Kashiwagi |     | Randall E. Reynoso    |
| Donna L. Lucas      |     | Judson T.