FSBC / Five Star Bancorp - Документы SEC, Годовой отчет, Доверенное заявление

ng Agreement for Executives pursuant to the Five Star Bancorp 2021 Equity In

fivestar-performanceshar FORM OF PERFORMANCE SHARE AWARD AGREEMENT FOR FIVE STAR BANCORP 2021 EQUITY INCENTIVE PLAN [] (the “Participant” or “you”) is hereby granted a performance share award (the “Award”) by Five Star Bancorp pursuant to the Five Star Bancorp 2021 Equity Incentive Plan, as amended (the “2021 Plan”).

Executive Employment Agreement, dated May 5, 2025, between Five Star Bank and James Beckwith

a2025beckwithemploymenta 1 2025 EXECUTIVE EMPLOYMENT AGREEMENT This 2025 Executive Employment Agreement (“Agreement”) is entered into in Sacramento, California and is effective as of the 5th day of May 2025 (“Effective Date”) by and between Five Star Bank, a California commercial bank (“Bank”), and James Beckwith (“Beckwith”).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 o TRANSITION REPORT PURSUANT TO S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379 FIVE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 23, 2025 FIVE STAR BANCORP (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 23, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank,

q22025investorpresentati Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Five Star Bancorp Announces Second Quarter 2025 Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Second Quarter 2025 Results RANCHO CORDOVA, CA July 23, 2025 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), today reported net income of $14.

Five Star Bancorp Declares Second Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE July 18, 2025 Five Star Bancorp Declares Second Quarter Cash Dividend RANCHO CORDOVA, CA July 18, 2025 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the "Bank"), announced today the declaration of a cash dividend of $0.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 18, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 10, 2025 FIVE STAR BANCORP (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 10, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces Second Quarter 2025 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE July 10, 2025 Five Star Bancorp Announces Second Quarter 2025 Earnings Release Date and Webcast RANCHO CORDOVA, CA July 10, 2025 (GLOBE NEWSWIRE) — Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), expects to report its financial results for the quarter ended June 30, 2025, after the stock market closes on Wednesday, July 23, 2025.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 18, 2025 FIVE STAR BANCORP (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 18, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Letter from Moss Adams dated June

June 3, 2025 U.S. Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Ladies and Gentlemen: We have read the statements made by Five Star Bancorp included under Item 4.01 of its Current Report on Form 8-K dated June 3, 2025 to be filed with the Securities and Exchange Commission. We agree with the statements concerning our Firm contained therein. We have no basis to agree or d

Financial Statements and Exhibits, Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 3, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 15, 2025 FIVE STAR BANCORP (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 15, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

econd Amended and Restated Bylaws of Five Star Bancorp

SECOND AMENDED AND RESTATED BYLAWS OF FIVE STAR BANCORP (As adopted on December 21, 2023) ARTICLE I Offices Section 1.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 o TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379 FIV

Five Star Bancorp Announces First Quarter 2025 Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces First Quarter 2025 Results RANCHO CORDOVA, CA April 28, 2025 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), today reported net income of $13.

Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank,

Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 28, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 17, 2025 FIVE STAR BANCORP (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 17, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 21, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares First Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE April 21, 2025 Five Star Bancorp Declares First Quarter Cash Dividend RANCHO CORDOVA, CA April 21, 2025 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the "Bank"), announced today the declaration of a cash dividend of $0.

Five Star Bancorp Announces First Quarter 2025 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE April 15, 2025 Five Star Bancorp Announces First Quarter 2025 Earnings Release Date and Webcast RANCHO CORDOVA, CA April 15, 2025 (GLOBE NEWSWIRE) — Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), expects to report its financial results for the quarter ended March 31, 2025, after the stock market closes on Monday, April 28, 2025.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 15, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. _____)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. _____)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6

Subsidiaries of the Registrant

EXHIBIT 21.1 Subsidiaries of the Registrant The following is a list of subsidiaries of Five Star Bancorp, the names under which subsidiaries do business, and the jurisdiction in which each was organized. All subsidiaries are wholly-owned unless otherwise noted. Subsidiaries of Five Star Bancorp Name Jurisdiction of Organization Five Star Bank California

Five Star Bancorp Insider Trading Policy

1 INSIDER TRADING POLICY Internal Use Only – Insider Trading Policy Page | 2 of 10 Purpose This Insider Trading Policy (the “Policy”) provides guidelines with respect to transactions in the securities of Five Star Bancorp (the “Company,” “we,” or “us”) and the handling of confidential information about the Company and the companies with which the Company does business.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-40379 FIVE STAR BANC

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 27, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces Quarterly and Annual Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Quarterly and Annual Results RANCHO CORDOVA, CA January 27, 2025 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), today reported net income of $13.

Investor Presentation Fourth Quarter and Year End 2024 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star," or “the Company” refers to Five Star Bancorp, a California corporation, and o

Investor Presentation Fourth Quarter and Year End 2024 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star," or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 17, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares Fourth Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE January 17, 2025 Five Star Bancorp Declares Fourth Quarter Cash Dividend RANCHO CORDOVA, CA January 17, 2025 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the "Bank"), announced today the declaration of a cash dividend of $0.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 14, 2025 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces Fourth Quarter 2024 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE January 14, 2025 Five Star Bancorp Announces Fourth Quarter 2024 Earnings Release Date and Webcast RANCHO CORDOVA, CA January 14, 2025 (GLOBE NEWSWIRE) — Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), expects to report its financial results for the quarter and year ended December 31, 2024, after the stock market closes on Monday, January 27, 2025.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 26, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 o TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379

Investor Presentation Third Quarter 2024 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidate

Investor Presentation Third Quarter 2024 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Five Star Bancorp Announces Third Quarter 2024 Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Third Quarter 2024 Results RANCHO CORDOVA, CA October 28, 2024 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), today reported net income of $10.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 28, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares Third Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE October 18, 2024 Five Star Bancorp Declares Third Quarter Cash Dividend RANCHO CORDOVA, CA October 18, 2024 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the "Bank"), announced today the declaration of a cash dividend of $0.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 18, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 15, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces Third Quarter 2024 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE October 15, 2024 Five Star Bancorp Announces Third Quarter 2024 Earnings Release Date and Webcast RANCHO CORDOVA, CA October 15, 2024 (GLOBE NEWSWIRE) — Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), expects to report its financial results for the quarter ended September 30, 2024, after the stock market closes on Monday, October 28, 2024.

PRESS RELEASE FOR IMMEDIATE RELEASE September 3, 2024 Five Star Bancorp opens San Francisco office, bringing personalized, concierge banking services to the San Francisco Bay Area Five Star Bank is committed to restoring high-tech, high-touch banking

PRESS RELEASE FOR IMMEDIATE RELEASE September 3, 2024 Five Star Bancorp opens San Francisco office, bringing personalized, concierge banking services to the San Francisco Bay Area Five Star Bank is committed to restoring high-tech, high-touch banking in the San Francisco Bay Area RANCHO CORDOVA, Calif.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): September 3, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 o TRANSITION REPORT PURSUANT TO S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379 FIVE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 24, 2024 FIVE STAR BANCORP (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 24, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Investor Presentation Second Quarter 2024 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidat

q22024investorpresentati Investor Presentation Second Quarter 2024 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Five Star Bancorp Announces Second Quarter 2024 Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Second Quarter 2024 Results RANCHO CORDOVA, CA July 24, 2024 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), today reported net income of $10.

Five Star Bancorp Declares Second Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE July 19, 2024 Five Star Bancorp Declares Second Quarter Cash Dividend RANCHO CORDOVA, CA July 19, 2024 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the "Bank"), announced today the declaration of a cash dividend of $0.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 19, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces Second Quarter 2024 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE July 11, 2024 Five Star Bancorp Announces Second Quarter 2024 Earnings Release Date and Webcast RANCHO CORDOVA, CA July 11, 2024 (GLOBE NEWSWIRE) — Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), expects to report its financial results for the quarter ended June 30, 2024, after the stock market closes on Wednesday, July 24, 2024.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 11, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 16, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 o TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379 FIV

Five Star Bancorp Announces First Quarter 2024 Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces First Quarter 2024 Results RANCHO CORDOVA, CA April 29, 2024 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), today reported net income of $10.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 29, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Investor Presentation First Quarter 2024 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidate

Investor Presentation First Quarter 2024 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star,” or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

FSBC / Five Star Bancorp / Davis Partnership, LP - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Five Star Bancorp (Name of Issuer) Common Stock, no par value (Title of Class of Securities) 33830T103 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to wh

FSBC / Five Star Bancorp / Davis Partnership, LP - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Five Star Bancorp (Name of Issuer) Common Stock, no par value (Title of Class of Securities) 33830T103 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to wh

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 19, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares First Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE April 19, 2024 Five Star Bancorp Declares First Quarter Cash Dividend RANCHO CORDOVA, CA April 19, 2024 (GLOBE NEWSWIRE) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the "Bank"), announced today the declaration of a cash dividend of $0.

Five Star Bancorp Announces First Quarter 2024 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE April 16, 2024 Five Star Bancorp Announces First Quarter 2024 Earnings Release Date and Webcast RANCHO CORDOVA, CA April 16, 2024 (GLOBE NEWSWIRE) — Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), expects to report its financial results for the quarter ended March 31, 2024, after the stock market closes on Monday, April 29, 2024.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 16, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. _____)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. _____)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6

Entry into a Material Definitive Agreement, Other Events, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 27, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

3,450,000 Shares Common Stock

Filed pursuant to Rule 424(b)(5) Registration Statement No. 333-269533 PROSPECTUS SUPPLEMENT (To Prospectus Dated February 13, 2023) 3,450,000 Shares Common Stock We are offering 3,450,000 shares of our common stock, no par value per share. Our common stock is listed on the Nasdaq Global Select Market, or Nasdaq, under the symbol “FSBC.” The last reported closing price of our common stock on Nasda

Five Star Bancorp Announces Launch of Common Stock Offering

Exhibit 99.1 PRESS RELEASE Five Star Bancorp Announces Launch of Common Stock Offering RANCHO CORDOVA, CA (March 27, 2024) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), announced today that it has launched an underwritten public offering of shares of its common stock. The

Five Star Bancorp Announces Pricing of Common Stock Offering

Exhibit 99.2 PRESS RELEASE Five Star Bancorp Announces Pricing of Common Stock Offering RANCHO CORDOVA, CA (March 28, 2024) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”), a holding company that operates through its wholly owned banking subsidiary, Five Star Bank (the “Bank”), announced today the pricing of the previously announced underwritten public offering of 3,450,000 share

Underwriting Agreement, dated March 28, 2024, by and between Five Star Bancorp and Keefe, Bruyette & Woods, Inc., as representative of the several underwriters named therein.

Exhibit 1.1 3,450,000 Shares Five Star Bancorp Common Stock UNDERWRITING AGREEMENT March 28, 2024 KEEFE, BRUYETTE & WOODS, INC. (As representative of the Underwriters listed in Schedule I hereto) c/o Keefe, Bruyette & Woods, Inc. 787 Seventh Avenue 4th Floor New York, New York 10019 Ladies and Gentlemen: Five Star Bancorp, a California corporation (the “Company”), proposes to issue and sell to the

SUBJECT TO COMPLETION, DATED MARCH 27, 2024

Filed pursuant to Rule 424(b)(5) Registration Statement No. 333-269533 This preliminary prospectus supplement and the accompanying prospectus are part of an effective registration statement filed with the Securities and Exchange Commission under the Securities Act of 1933, as amended, and the information in this preliminary prospectus supplement is not complete and may be changed. This preliminary

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-40379 FIVE STAR BANC

Five Star Bancorp Clawback Policy

Five Star Bancorp Compensation Clawback Policy Adopted October 19, 2023 Purpose The Board of Directors (the “Board”) of Five Star Bancorp (the “Corporation”) has adopted this compensation clawback policy (the “Policy”) which provides for the recoupment of incentive‐based compensation in the event of an accounting restatement.

Subsidiaries of the Registrant

EXHIBIT 21.1 Subsidiaries of the Registrant The following is a list of subsidiaries of Five Star Bancorp, the names under which subsidiaries do business, and the jurisdiction in which each was organized. All subsidiaries are wholly-owned unless otherwise noted. Subsidiaries of Five Star Bancorp Name Jurisdiction of Organization Five Star Bank California

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 21, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp invests in San Francisco Bay Area expansion strategy by hiring five commercial banking professionals and planning full-service office in San Francisco Five Star Bancorp seeks to fill a San Francisco Bay Area gap in high-tech, person

PRESS RELEASE FOR IMMEDIATE RELEASE February 21, 2024 Five Star Bancorp invests in San Francisco Bay Area expansion strategy by hiring five commercial banking professionals and planning full-service office in San Francisco Five Star Bancorp seeks to fill a San Francisco Bay Area gap in high-tech, personalized concierge banking left by Silicon Valley Bank and First Republic Bank failures Rancho Cordova, CA (February 21, 2024) — Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”) announced the hiring of a team of five seasoned commercial banking professionals in San Francisco to advance the Company’s expansion strategy in the San Francisco Bay Area.

FSBC / Five Star Bancorp / Oates-Fairrington Kathryn Ruth - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. 1)* Under the Securities Exchange Act of 1934 Five Star Bancorp (Name of Issuer) Common Stock, no par value per share (Title of Class of Securities) 33830T 103 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pur

Five Star Bancorp Announces Quarterly and Annual Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Quarterly and Annual Results RANCHO CORDOVA, Calif.

Investor Presentation Fourth Quarter and Year End 2023 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star," or “the Company” refers to Five Star Bancorp, a California corporation, and o

q42023investorpresentati Investor Presentation Fourth Quarter and Year End 2023 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star," or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 29, 2024 FIVE STAR BANCORP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 29, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 19, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares Fourth Quarter 2023 Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE January 19, 2024 Five Star Bancorp Declares Fourth Quarter 2023 Cash Dividend Rancho Cordova, CA (January 19, 2024) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”) announced today the declaration of a cash dividend of $0.

Five Star Bancorp Announces Fourth Quarter 2023 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE January 16, 2024 Five Star Bancorp Announces Fourth Quarter 2023 Earnings Release Date and Webcast Rancho Cordova, CA (January 16, 2024) - Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”) expects to report its financial results for the quarter and year ended December 31, 2023, after the stock market closes on Monday, January 29, 2024.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 16, 2024 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 21, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Second Amended and Restated Bylaws of Five Star Bancorp

SECOND AMENDED AND RESTATED BYLAWS OF FIVE STAR BANCORP (As adopted on December 21, 2023) ARTICLE I Offices Section 1.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 o TRANSITION REPORT PURSUANT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379

Five Star Bancorp Announces Third Quarter 2023 Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Third Quarter 2023 Results RANCHO CORDOVA, Calif.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 30, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Investor Presentation Third Quarter 2023 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated

Investor Presentation Third Quarter 2023 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Five Star Bancorp Declares Third Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE October 20, 2023 Five Star Bancorp Declares Third Quarter Cash Dividend Rancho Cordova, Calif.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 20, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces 3rd Quarter 2023 Earnings Release Date and Webcast

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE October 17, 2023 Five Star Bancorp Announces 3rd Quarter 2023 Earnings Release Date and Webcast Rancho Cordova, CA (October 17, 2023) - Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”) expects to report its financial results for the quarter ended September 30, 2023, after the stock market closes on Monday, October 30, 2023. Management

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 17, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 o TRANSITION REPORT PURSUANT TO S

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379 FIVE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 24, 2023 FIVE STAR BANCORP (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 24, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Investor Presentation Second Quarter 2023 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidate

invpres2q2023 Investor Presentation Second Quarter 2023 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Five Star Bancorp Announces Second Quarter 2023 Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Second Quarter 2023 Results RANCHO CORDOVA, Calif.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 21, 2023 FIVE STAR BANCORP (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 21, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares Second Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE July 21, 2023 Five Star Bancorp Declares Second Quarter Cash Dividend Rancho Cordova, Calif.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 11, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces 2nd Quarter 2023 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE July 11, 2023 Five Star Bancorp Announces 2nd Quarter 2023 Earnings Release Date and Webcast Rancho Cordova, CA (July 11, 2023) - Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”) expects to report its financial results for the quarter ended June 30, 2023, after the stock market closes on Monday, July 24, 2023.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 5, 2023 FIVE STAR BANCORP (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 5, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Expands into San Francisco Bay Area with Addition of Commercial Banking Team

PRESS RELEASE FOR IMMEDIATE RELEASE June 5, 2023 Five Star Bancorp Expands into San Francisco Bay Area with Addition of Commercial Banking Team Rancho Cordova, CA (June 5, 2023) - Five Star Bancorp (Nasdaq: FSBC) and its wholly owned subsidiary, Five Star Bank (“Five Star” or the “Company”), the top-performing community bank in the nation with assets between $3 billion and $10 billion according to S&P Global Market Intelligence, announced expansion into San Francisco, California, to seize market opportunities.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 18, 2023 FIVE STAR BANCORP (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 18, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 o TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379 FIV

Five Star Bancorp Announces First Quarter 2023 Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces First Quarter 2023 Results RANCHO CORDOVA, Calif.

Investor Presentation First Quarter 2023 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated

invpresq12023 Investor Presentation First Quarter 2023 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 24, 2023 FIVE STAR BANCORP (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 24, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares First Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE April 21, 2023 Five Star Bancorp Declares First Quarter Cash Dividend Rancho Cordova, Calif.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 21, 2023 FIVE STAR BANCORP (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 21, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces 1st Quarter 2023 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE April 11, 2023 Five Star Bancorp Announces 1st Quarter 2023 Earnings Release Date and Webcast Rancho Cordova, CA (April 11, 2023) - Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”) expects to report its financial results for the quarter ended March 31, 2023, after the stock market closes on Monday, April 24, 2023.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 11, 2023 FIVE STAR BANCORP (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 11, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. _____)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. _____)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 16, 2023 FIVE STAR BANCORP (E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 16, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Subsidiaries of the Registrant

EXHIBIT 21.1 Subsidiaries of the Registrant The following is a list of subsidiaries of Five Star Bancorp, the names under which subsidiaries do business, and the jurisdiction in which each was organized. All subsidiaries are wholly-owned unless otherwise noted. Subsidiaries of Five Star Bancorp Name Jurisdiction of Organization Five Star Bank California

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-40379 FIVE STAR BANC

FIVE STAR BANCORP 3100 Zinfandel Drive Suite 100 Rancho Cordova, CA 95670 February 9, 2023

FIVE STAR BANCORP 3100 Zinfandel Drive Suite 100 Rancho Cordova, CA 95670 February 9, 2023 Via EDGAR U.

Form of Subordinated Debt Indenture.

Exhibit 4.3 FIVE STAR BANCORP AS ISSUER, AND [], AS TRUSTEE, SUBORDINATED INDENTURE DATED AS OF [, ] SUBORDINATED DEBT SECURITIES CROSS-REFERENCE TABLE Reconciliation and tie between the Trust Indenture Act of 1939, as amended (the “Trust Indenture Act”), and the Indenture dated as of , 2023. SECTION OF Trust Indenture Act SECTION OF INDENTURE 310(a)(1) and (2) 7.09 310(a)(3) and (4) Not applicabl

Form of Senior Debt Indenture.

Exhibit 4.2 FIVE STAR BANCORP AS ISSUER, AND [], AS TRUSTEE, SENIOR INDENTURE DATED AS OF [, ] SENIOR DEBT SECURITIES CROSS-REFERENCE TABLE Reconciliation and tie between the Trust Indenture Act of 1939, as amended (the “Trust Indenture Act”), and the Indenture dated as of , 2023. SECTION OF Trust Indenture Act SECTION OF INDENTURE 310(a)(1) and (2) 7.09 310(a)(3) and (4) Not applicable 310(a)(5)

As filed with the Securities and Exchange Commission on February 2, 2023

As filed with the Securities and Exchange Commission on February 2, 2023 Registration No.

Calculation of Filing Fee Tables.

EXHIBIT 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Five Star Bancorp (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees Previously Paid Equity Common Stock

Investor Presentation Fourth Quarter and Year End 2022 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and ou

Investor Presentation Fourth Quarter and Year End 2022 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Five Star Bancorp Announces Quarterly and Annual Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Quarterly and Annual Results RANCHO CORDOVA, Calif.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 30, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 20, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares Fourth Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE January 20, 2023 Five Star Bancorp Declares Fourth Quarter Cash Dividend Rancho Cordova, CA (January 20, 2023) – Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”) announced today the declaration of a cash dividend of $0.

Five Star Bancorp Announces 4th Quarter 2022 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE January 9, 2023 Five Star Bancorp Announces 4th Quarter 2022 Earnings Release Date and Webcast Rancho Cordova, CA (January 9, 2023) - Five Star Bancorp (Nasdaq: FSBC) (“Five Star” or the “Company”) expects to report its financial results for the quarter and year ended December 31, 2022, after the stock market closes on Monday, January 30, 2023.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 9, 2023 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

FSBC / Five Star Bancorp / Davis Partnership, LP - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Five Star Bancorp (Name of Issuer) Common Stock, no par value (Title of Class of Securities) 33830T103 (CUSIP Number) July 20, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which t

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 o TRANSITION REPO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Numbe

Investor Presentation Third Quarter 2022 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated

investorpresentationq320 Investor Presentation Third Quarter 2022 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Five Star Bancorp Announces Quarterly Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Quarterly Results RANCHO CORDOVA, Calif.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 24, 2022 FIVE STAR BANCORP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 24, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares Third Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE October 21, 2022 Five Star Bancorp Declares Third Quarter Cash Dividend Rancho Cordova, Calif.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 21, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces 3rd Quarter 2022 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE October 11, 2022 Five Star Bancorp Announces 3rd Quarter 2022 Earnings Release Date and Webcast Rancho Cordova, CA (October 11, 2022) - Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) expects to report its financial results for the quarter ended September 30, 2022, after the stock market closes on Monday, October 24, 2022.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 11, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 17, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Completes Private Placement of $75.0 Million of Subordinated Notes

PRESS RELEASE FOR IMMEDIATE RELEASE August 17, 2022 Five Star Bancorp Completes Private Placement of $75.

Form of Subordinated Note Purchase Agreement for 6.0% Fixed-to-Floating Rate Subordinated Notes Due 2032

FORM OF SUBORDINATED NOTE PURCHASE AGREEMENT This SUBORDINATED NOTE PURCHASE AGREEMENT (this ?Agreement? and, collectively with the agreements with the other purchasers to purchase the Subordinated Notes (as defined herein), the ?Subordinated Note Purchase Agreements?) is dated as of August 17, 2022 and is made by and among Five Star Bancorp, a California corporation (the ?Company?), and the purchaser of the Subordinated Note identified on the signature page hereto (the ?Purchaser? and collectively with the other purchasers of Subordinated Notes, the ?Purchasers?).

Amended and Restated Bylaws of Five Star Bancorp

AMENDED AND RESTATED BYLAWS OF FIVE STAR BANCORP (As adopted on May 19, 2022) ARTICLE I Offices Section 1.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 o TRANSITION REPORT PU

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR o TRANSITION 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

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 25, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Investor Presentation Second Quarter 2022 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, “we,” “our,” “us,” “Five Star" or “the Company” refers to Five Star Bancorp, a California corporation, and our consolidate

Investor Presentation Second Quarter 2022 Safe Harbor Statement and Disclaimer Forward-Looking Statements In this presentation, ?we,? ?our,? ?us,? ?Five Star" or ?the Company? refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state- chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp.

Five Star Bancorp Announces Quarterly Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Quarterly Results RANCHO CORDOVA, Calif.

Five Star Bancorp Declares Second Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE July 22, 2022 Five Star Bancorp Declares Second Quarter Cash Dividend Rancho Cordova, Calif.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 21, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 11, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces 2nd Quarter 2022 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE July 11, 2022 Five Star Bancorp Announces 2nd Quarter 2022 Earnings Release Date and Webcast Rancho Cordova, CA (July 11, 2022) - Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) expects to report its financial results for the quarter ended June 30, 2022, after the stock market closes on Monday, July 25, 2022.

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 19, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Amended and Restated Bylaws of Five Star Bancorp

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF FIVE STAR BANCORP (As adopted on May 19, 2022) ARTICLE I Offices Section 1.1. Principal Office. The principal executive office of the corporation is hereby located at such place as the board of directors (the ?Board?) shall determine. The Board is hereby granted full power and authority to change said principal executive office from one location to anothe

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 o TRANSITION REPORT P

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 00

Five Star Bank Salary Continuation Agreement, dated September 1, 2007, as amended, between Five Star Bank and James Beckwith

Exhibit 10.1 2022 EXECUTIVE EMPLOYMENT AGREEMENT This 2022 Executive Employment Agreement (?Agreement?) is entered into in Sacramento, California and is effective as of the 3rd day of January 2022 (?Effective Date?) by and between Five Star Bank, a California commercial bank (?Bank?), and James Beckwith (?Beckwith?). Bank and Beckwith are collectively referred to herein as ?Parties.? RECITALS A. B

Five Star Bancorp Announces Quarterly Results

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Quarterly Results RANCHO CORDOVA, Calif. April 25, 2022 (GLOBE NEWSWIRE) ? Five Star Bancorp (Nasdaq: FSBC) (the ?Company? or ?Five Star?), the holding company for Five Star Bank, today reported net income of $9.9 million for the quarter ended March 31, 2022, as compared to $11.3 million for the quarter ended December 31,

Investor Presentation First Quarter 2022

Exhibit 99.2 Investor Presentation First Quarter 2022 Safe Harbor Statement and Disclaimer Forward - Looking Statements In this presentation, ?we,? ?our,? ?us,? ?Five Star" or ?the Company? refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state - chartered bank, unless the context indicates that we refer only to the pa

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 25, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares First Quarter Cash Dividend

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE April 22, 2022 Five Star Bancorp Declares First Quarter Cash Dividend Rancho Cordova, CA (April 22, 2022) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) announced today the declaration of a cash dividend of $0.15 per share on the Company?s voting common stock. The dividend is expected to be paid on May 16, 2022, to shareholders of

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 21, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces 1st Quarter 2022 Earnings Release Date and Webcast

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE April 12, 2022 Five Star Bancorp Announces 1st Quarter 2022 Earnings Release Date and Webcast Rancho Cordova, CA (April 12, 2022) - Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) expects to report its financial results for the quarter ended March 31, 2022, after the stock market closes on Monday, April 25, 2022. Management will host

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 12, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ___)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ___)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: o Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 23, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ___)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant o Check the appropriate box: x Preliminary Proxy Statement o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 17, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): March 13, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Amended and Restated Bylaws of Five Star Bancorp

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF FIVE STAR BANCORP (As adopted on February 23, 2022) ARTICLE I Offices Section 1.1. Principal Office. The principal executive office of the corporation is hereby located at such place as the board of directors (the ?Board?) shall determine. The Board is hereby granted full power and authority to change said principal executive office from one location to a

Description of Securities

Exhibit 4.4 DESCRIPTION OF REGISTRANT?S SECURITIES As of December 31, 2021, Five Star Bancorp (the ?Company,? ?we,? ?our? and ?us?), had one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the ?Exchange Act?): common stock, no par value per share (?common stock?). DESCRIPTION OF CAPITAL STOCK General The following description of the current terms

Form of Restricted Stock Vesting Agreement for Directors pursuant to the Five Star Bancorp 2021 Equity Incentive Plan

Exhibit 10.5 FORM OF RESTRICTED STOCK AWARD AGREEMENT FIVE STAR BANCORP [], 2022 This Restricted Stock Award Agreement (the ?Agreement?) is entered into between Five Star Bancorp, a California corporation (the ?Company?), and the individual participant specified in the table below (the ?Participant?) in connection with service as a member of the Company?s Board of Directors (the ?Board?). Particip

Form of Restricted Stock Vesting Agreement for Executives pursuant to the Five Star Bancorp 2021 Equity Incentive Plan

Exhibit 10.4 FORM OF RESTRICTED STOCK AWARD AGREEMENT FIVE STAR BANCORP [], 2022 This Restricted Stock Award Agreement (the ?Agreement?) is entered into between Five Star Bancorp, a California corporation (the ?Company?), and the individual participant specified in the table below (the ?Participant?). Participant [NAME] Grant Date Total Number of Restricted Shares Share Price $[] per share (determ

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-40379 FIVE STAR BANC

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of the Registrant The following is a list of subsidiaries of Five Star Bancorp, the names under which subsidiaries do business, and the jurisdiction in which each was organized, as of the date of this prospectus. All subsidiaries are wholly-owned unless otherwise noted. Subsidiaries of Five Star Bancorp Name Jurisdiction of Organization Five Star Bank California

FSBC / Five Star Bancorp / Oates-Fairrington Kathryn Ruth Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Amendment No. )* Under the Securities Exchange Act of 1934 Five Star Bancorp (Name of Issuer) Common Stock, no par value per share (Title of Class of Securities) 33830T 103 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule purs

JOINT FILING AGREEMENT

Exhibit 99.1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the persons named below agrees to the joint filing of a Statement on Schedule 13G (including amendments thereto) with respect to the common stock, no par value per share, of Five Star Bancorp, a California corporation, and further agrees that this Joint Filing Agreeme

Five Star Bancorp Announces Quarterly and Annual Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Quarterly and Annual Results RANCHO CORDOVA, Calif.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 31, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Investor Presentation Fourth Quarter and Year End 2021

Investor Presentation Fourth Quarter and Year End 2021 Safe Harbor Statement and Disclaimer Forward - Looking Statements In this presentation, ?we,? ?our,? ?us,? ?Five Star" or ?the Company? refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state - chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp .

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 20, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares Fourth Quarter Cash Dividend

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE January 21, 2022 Five Star Bancorp Declares Fourth Quarter Cash Dividend Rancho Cordova, CA (January 21, 2022) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) announced today the declaration of a cash dividend of $0.15 per share on the Company?s voting common stock. The dividend is expected to be paid on February 14, 2022, to share

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): January 10, 2022 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces 4th Quarter 2021 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE January 10, 2022 Five Star Bancorp Announces 4th Quarter 2021 Earnings Release Date and Webcast Rancho Cordova, CA (January 10, 2022) - Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) expects to report its financial results for the quarter and year ended December 31, 2021, before the stock market opens on Monday, January 31, 2022.

Five Star Bancorp Announces Appointment of Director

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE December 17, 2021 Five Star Bancorp Announces Appointment of Director Rancho Cordova, CA (December 17, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?), and its subsidiary, Five Star Bank (the ?Bank?) announce the appointment of Donna Lucas to the Board of Directors effective December 16, 2021. A successful strategic communica

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): December 16, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 5, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 o TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379 FIVE S

Investor Presentation Third Quarter 2021

Investor Presentation Third Quarter 2021 Safe Harbor Statement and Disclaimer Forward - Looking Statements In this presentation, ?we,? ?our,? ?us,? ?Five Star" or ?the Company? refers to Five Star Bancorp, a California corporation, and our consolidated subsidiaries, including Five Star Bank, a California state - chartered bank, unless the context indicates that we refer only to the parent company, Five Star Bancorp .

Five Star Bancorp Announces Quarterly Results

PRESS RELEASE FOR IMMEDIATE RELEASE Five Star Bancorp Announces Quarterly Results RANCHO CORDOVA, Calif.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 25, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces 3rd Quarter 2021 Earnings Release Date and Webcast

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE October 12, 2021 Five Star Bancorp Announces 3rd Quarter 2021 Earnings Release Date and Webcast Rancho Cordova, CA (October 12, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) expects to report its financial results for the quarter ended September 30, 2021, after the stock market closes on Monday, October 25, 2021. Management

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 12, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 5, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces Appointment of Director

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE October 7, 2021 Five Star Bancorp Announces Appointment of Director Rancho Cordova, CA (October 7, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?), and its subsidiary, Five Star Bank announce the appointment of Warren Kashiwagi to the Board of Directors effective October 5, 2021. Mr. Kashiwagi will serve on the Board?s Audit

Five Star Bancorp Declares Third Quarter Cash Dividend

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE October 6, 2021 Five Star Bancorp Declares Third Quarter Cash Dividend Rancho Cordova, CA (October 6, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) announced today the declaration of a cash dividend of $0.15 per share on the Company?s voting common stock. The dividend is expected to be paid on October 19, 2021, to sharehold

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 5, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 o TRANSITION REPORT PU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379 FIVE STAR B

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 26, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces Second Quarter 2021 Results

Exhibit 99.1 PRESS RELEASE FOR IMMEDIATE RELEASE July 26, 2021 Five Star Bancorp Announces Second Quarter 2021 Results Rancho Cordova, CA (July 26, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?), the holding company for Five Star Bank (the ?Bank?), today reported net income of $9.8 million for the quarter ended June 30, 2021, compared to $10.3 million during the quarter en

July 2021

Exhibit 99.2 July 2021 2 Forward - Looking Statements This presentation contains forward - looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 . These forward - looking statements represent plans, estimates, objectives, goals, guidelines, expectations, intentions, projections and statements of the Company?s beliefs concerning future events, business plans,

Five Star Bancorp Announces 2nd Quarter 2021 Earnings Release Date and Webcast

PRESS RELEASE FOR IMMEDIATE RELEASE July 20, 2021 Five Star Bancorp Announces 2nd Quarter 2021 Earnings Release Date and Webcast Rancho Cordova, CA (July 20, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) expects to report its financial results for the quarter ended June 30, 2021, after the stock market closes on Monday, July 26, 2021.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 20, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Declares Second Quarter Cash Dividend

PRESS RELEASE FOR IMMEDIATE RELEASE July 6, 2021 Five Star Bancorp Declares Second Quarter Cash Dividend Rancho Cordova, CA (July 6, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?) announced today the declaration of a cash dividend of $0.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 6, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Five Star Bancorp Announces Appointment of Director

PRESS RELEASE FOR IMMEDIATE RELEASE June 22, 2021 Five Star Bancorp Announces Appointment of Director Rancho Cordova, CA (June 22, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?), and its subsidiary, Five Star Bank (the ?Bank?) announce the appointment of Leigh White to the Board of Directors effective June 17, 2021.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 17, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Amended and Restated Articles of Incorporation of Five Star Bancorp

Exhibit 3.1 AMENDED AND RESTATED ARTICLES OF INCORPORATION OF FIVE STAR BANCORP James Beckwith and Michael Campbell certify that: 1. They are the President and Secretary, respectively, of Five Star Bancorp, a California Corporation (the ?corporation?), with California Entity Number C2467216. 2. The Articles of Incorporation of the corporation are amended and restated to read in full as follows: ON

Amended and Restated Bylaws of Five Star Bancorp

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF FIVE STAR BANCORP (As adopted on May 7, 2021) ARTICLE I Offices Section 1.1. Principal Office. The principal executive office of the corporation is hereby located at such place as the board of directors (the ?Board?) shall determine. The Board is hereby granted full power and authority to change said principal executive office from one location to another

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 o TRANSITION REPORT P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-40379 FIVE STAR

Five Star Bancorp Announces Appointment of Director and Payment of Previously-Announced Distribution to S Corporation Shareholders

PRESS RELEASE FOR IMMEDIATE RELEASE May 25, 2021 Five Star Bancorp Announces Appointment of Director and Payment of Previously-Announced Distribution to S Corporation Shareholders Rancho Cordova, CA (May 25, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?), and its subsidiary, Five Star Bank (the ?Bank?) announce the appointment of Randall Reynoso to the Board of Directors effective May 20, 2021.

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 20, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

As filed with the Securities and Exchange Commission on May 21, 2021

As filed with the Securities and Exchange Commission on May 21, 2021 Registration No.

FORM OF LOCK-UP AGREEMENT

Exhibit 99.1 FORM OF LOCK-UP AGREEMENT [ ? ], 2021 Keefe, Bruyette & Woods, Inc. As Representative of the several Underwriters listed in Schedule I to the Underwriting Agreement c/o Keefe, Bruyette & Woods, Inc. 787 Seventh Avenue 4th Floor New York, New York 10019 Re: Five Star Bancorp ? Public Offering Ladies and Gentlemen: The undersigned understands that you, as Representative of the several U

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* Five Star Bancorp (Name of Issuer) Common Stock, no par value per share (Title of Class of Securities) 33

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* Five Star Bancorp (Name of Issuer) Common Stock, no par value per share (Title of Class of Securities) 33830T 103 (CUSIP Number) Larry E. Allbaugh 555 Capitol Mall, Suite 900 Sacramento, CA 95814 (916) 379-3800 Copy to: Ron Wargo FRIEDEMANN | GOLDBERG | W

Five Star Bancorp Announces Closing of Initial Public Offering of Common Stock and Full Exercise of Underwriters’ Option

Exhibit 99.1 Five Star Bancorp Announces Closing of Initial Public Offering of Common Stock and Full Exercise of Underwriters? Option May 7, 2021 Rancho Cordova, CA (May 7, 2021) ? Five Star Bancorp (Nasdaq: FSBC) (?Five Star? or the ?Company?), announced today the closing of the initial public offering of its common stock. The Company sold 6,054,750 shares of its common stock, at a public offerin

Amended and Restated Articles of Incorporation of Five Star Bancorp

Exhibit 3.1 AMENDED AND RESTATED ARTICLES OF INCORPORATION OF FIVE STAR BANCORP James Beckwith and Michael Campbell certify that: 1. They are the President and Secretary, respectively, of Five Star Bancorp, a California Corporation (the ?Corporation?), with California Entity Number C2467216. 2. The Articles of Incorporation of the Corporation are amended and restated to read in full as follows: ON

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 7, 2021 FIVE STAR BANCORP (Exact Name of Registrant as Specified in Charter) California 001-40379 75-3100966 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I.

Amended and Restated Bylaws of Five Star Bancorp

Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF FIVE STAR BANCORP (As adopted on May 7, 2021) ARTICLE I Offices Section 1.1. Principal Office. The principal executive office of the corporation is hereby located at such place as the board of directors (the ?Board?) shall determine. The Board is hereby granted full power and authority to change said principal executive office from one location to another

5,265,000 Shares Common Stock

Filed Pursuant to Rule 424(b)(4) Registration No. 333-255143 PROSPECTUS 5,265,000 Shares Common Stock This prospectus relates to the initial public offering of shares of common stock of Five Star Bancorp, a California corporation and the bank holding company for Five Star Bank, our principal subsidiary and a California state-chartered bank. We are offering 5,265,000 shares of our common stock. Pri

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As filed with the United States Securities and Exchange Commission on May 3 , 2021.

*****

May 3, 2021 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Lory Empie Marc Thomas Jessica Livingston David Lin Re: Five Star Bancorp Amendment No. 1 to Registration Statement on Form S-1 Filed April 26, 2021 File No. 333-255143 Ladies and Gentlemen: On behalf of Five Star Bancorp (?Five Star? or th

Form 8-A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Five Star Bancorp (Exact name of registrant as specified in its charter) California 75-3100966 (State of incorporation or organization) (I.R.S. Employer Identification No.) 3100 Zinfandel Drive, Su

[Signature Page Follows]

Keefe, Bruyette & Woods, Inc. 787 Seventh Avenue 4th Floor New York, New York 10019 May 3, 2021 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Five Star Bancorp Registration Statement on Form S-1 File No. 333-255143 Acceleration Request Requested Date: May 4 , 2021 Requested Time: 4:00 p.m., Eastern Standard Time Ladi

FIVE STAR BANCORP 3100 Zinfandel Drive Suite 100 Rancho Cordova, California 95670

FIVE STAR BANCORP 3100 Zinfandel Drive Suite 100 Rancho Cordova, California 95670 May 3, 2021 Via EDGAR U.

Free Writing Prospectus

Free Writing Prospectus Filed pursuant to Rule 433 Registration Statement No. 333-255143 Dated April 26, 2021 April/May 2021 2 Notice to and Undertaking by Recipients Five Star Bancorp (“Five Star,” the “Company,” “we” or “us”) has filed a registration statement on Form S - 1 (including a prospectus, which is preliminary and subject to completion) with the U . S . Securities and Exchange Commissio

Form of Common Stock Certificate of Five Star Bancorp

EX-4.1 5 e21250ex4-1.htm Exhibit 4.1 . ZQ|CERT#|COY|CLS|RGSTRY|ACCT#|TRANSTYPE|RUN#|TRANS# COMMON STOCK PAR VALUE $0.00 COMMON STOCK Certificate Number ZQ00000000 THIS CERTIFIES THAT FIVE STAR BANCORP INCORPORATED UNDER THE LAWS OF THE STATE OF CALIFORNIA ** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander

Form of Amended and Restated Bylaws to be in effect upon the completion of the offering

EX-3.4 4 e21250ex3-4.htm Exhibit 3.4 AMENDED AND RESTATED BYLAWS OF FIVE STAR BANCORP (As adopted on [], 2021) ARTICLE I Offices Section 1.1. Principal Office. The principal executive office of the corporation is hereby located at such place as the board of directors (the “Board”) shall determine. The Board is hereby granted full power and authority to change said principal executive office from o

Form of Amended and Restated Articles of Incorporation to be in effect upon the completion of the offering

EX-3.3 3 e21250ex3-3.htm Exhibit 3.3 AMENDED AND RESTATED ARTICLES OF INCORPORATION OF FIVE STAR BANCORP James Beckwith and Michael Campbell certify that: 1. They are the President and Secretary, respectively, of Five Star Bancorp, a California Corporation (the “Corporation”). 2. The Articles of Incorporation of the Corporation are amended and restated to read in full as follows: ONE: NAME The nam

*****

April 23, 2021 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Lory Empie Marc Thomas Jessica Livingston David Lin Re: Five Star Bancorp Registration Statement on Form S-1 Filed April 9, 2021 File No. 333-255143 Ladies and Gentlemen: On behalf of Five Star Bancorp (?Five Star? or the ?Company?), we

Five Star Bancorp 2021 Equity Incentive Plan

EX-10.4 7 e21250ex10-4.htm Exhibit 10.4 Five Star Bancorp 2021 Equity Incentive Plan Section 1. Purpose This 2021 Equity Incentive Plan for Five Star Bancorp has two complementary purposes: (1) to help Five Star Bancorp, a California corporation (the “Company”), Five Star Bank (the “Bank”) and its Affiliates retain, attract, and motivate outstanding individuals to serve as officers, employees, Dir

Form of Underwriting Agreement

EX-1.1 2 e21250ex1-1.htm Exhibit 1.1 [ ● ] Shares Five Star Bancorp Common Stock UNDERWRITING AGREEMENT [ ● ], 2021 KEEFE, BRUYETTE & WOODS, INC. (As representative of the Underwriters listed in Schedule I hereto) c/o Keefe, Bruyette & Woods, Inc. 787 Seventh Avenue 4th Floor New York, New York 10019 Ladies and Gentlemen: Five Star Bancorp, a California corporation (the “Company”), proposes to iss

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As filed with the United States Securities and Exchange Commission on April 26, 2021.

Form of Subscription Agreement for August 2020 Offering between Five Star Bancorp and certain holders party thereto

EX-10.8 10 e21201ex10-8.htm Exhibit 10.8 Form of Subscription Agreement for AUGUST 2020 Offering between Five Star Bancorp and certain holders party thereto 1. Subscription. The undersigned (the “Investor”) subscribes for and agrees to purchase the number of shares of common stock (the “Shares”) of Five Star Bancorp, a California corporation, (the “Corporation”) set forth on the signature page bel

Form of Subscription Agreement for August 2019 Offering between Five Star Bancorp and certain holders party thereto

EX-10.7 9 e21201ex10-7.htm Exhibit 10.7 Form of Subscription Agreement for August 2019 Offering between Five Star Bancorp and certain holders party thereto 1. Subscription. The undersigned (the “Investor”) subscribes for and agrees to purchase the number of shares of common stock (the “Shares”) of Five Star Bancorp, a California corporation, (the “Corporation”) set forth on the signature page belo

Split Dollar Agreement, dated October 1, 2020, between Five Star Bank and Krista Snelling

Exhibit 10.15 SPLIT DOLLAR AGREEMENT By and Between FIVE STAR BANK and KRISTA SNELLING Insurer/Policy: The Penn Mutual Life Insurance Company Policy #[***] Bank: Five Star Bank Insured: Krista Snelling Relationship of Insured to Bank: Executive Effective Date: October 1, 2020 The respective rights and duties of FIVE STAR BANK (hereinafter the ?Bank?) and KRISTA SNELLING (hereinafter the ?Insured?)

Five Star Bank Salary Continuation Agreement, dated September 1, 2007, as amended, between Five Star Bank and James Beckwith (included as Exhibit A to the Executive Employment Agreement filed herewith as Exhibit 10.11)

Exhibit 10.11 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (?Agreement?) is entered into in Sacramento, California as of this 3 day of January 2019 (?Effective Date?) by and between Five Star Bank, a California commercial bank (?Bank?), and James Beckwith (?Beckwith?). Bank and Beckwith are collectively referred to herein as ?Parties.? RECITALS A. Bank currently employs Beckw

Subsidiaries of the Registrant

Exhibit 21.1 Subsidiaries of the Registrant The following is a list of subsidiaries of Five Star Bancorp, the names under which subsidiaries do business, and the jurisdiction in which each was organized, as of the date of this prospectus. All subsidiaries are wholly-owned unless otherwise noted. Subsidiaries of Five Star Bancorp Name Jurisdiction of Organization Five Star Bank California

Form of S Corporation Termination and Tax Sharing Agreement

Exhibit 10.1 FORM OF S CORPORATION TERMINATION AND TAX SHARING AGREEMENT This S Corporation Termination and Tax Sharing Agreement, dated as of [], 2021 (the ?Agreement?), is made by and between Five Star Bancorp, a California corporation (the ?Company?), and the trusts and individuals identified on the signature page hereto (each a ?Consenting Shareholder? and collectively the ?Consenting Sharehol

Form of Stockholders Agreement between Five Star Bancorp and certain holders party thereto

Exhibit 10.2 Form of Stockholders Agreement Between Five Star Bancorp and Certain Holders Party Thereto This Stockholders Agreement (?Agreement?) is dated effective as of [], by and among Five Star Bancorp, a California corporation (the ?Company?) and those stockholders of the Company listed on Exhibit A to this Agreement (the ?Stockholders?). W I T N E S S E T H: WHEREAS, the Stockholders hold al

Executive Supplemental Compensation Agreement, dated October 1, 2020, between Five Star Bank and Krista Snelling

Exhibit 10.14 EXECUTIVE SUPPLEMENTAL COMPENSATION AGREEMENT (By and Between Five Star Bank and Krista Snelling) THIS Executive Supplemental Compensation Agreement (hereafter ?Agreement?) is made and entered into effective as of October 1st, 2020 by and between FIVE STAR BANK (hereinafter the ?Bank? or ?Employer?), a bank organized and existing under the laws of the state of California, and KRISTA

Power of Attorney

As filed with the United States Securities and Exchange Commission on April 9, 2021.

Executive Employment Agreement, dated January 2, 2019, between Five Star Bank and Krista Snelling

EX-10.13 14 e21201ex10-13.htm Exhibit 10.13 EXECUTIVE EMPLOYMENT AGREEMENT This Executive Employment Agreement (“Agreement”) is entered into in Sacramento, California as of this 2nd day of January 2019 (“Effective Date”) by and between Five Star Bank, a California commercial bank (“Bank”), and Krista Snelling (“Snelling”). Bank and Snelling are collectively referred to herein as “Parties.” RECITAL

Bylaws, as amended, as presently in effect

Exhibit 3.2 BYLAWS OF FIVE STAR BANCORP As Amended by the Board of Directors on May 5, 2015 ARTICLE I Offices Section 1.1. Principal Office. The principal executive office of the corporation is hereby located at such place as the board of directors (the ?board?) shall determine. The board is hereby granted full power and authority to change said principal executive office from one location to anot

Form of Restricted Stock Vesting Agreement

Exhibit 10.5 FORM OF RESTRICTED STOCK VESTING AGREEMENT [], 2021 [CONTACT NAME] [ENTITY] [ADDRESS] [ADDRESS] [EMAIL ADDRESS] Via Email Dear [NAME], This letter memorializes certain terms of the restricted shares of common stock of Five Star Bancorp (the ?Company?) granted to [ENTITY/you] on the dates and in the amounts specified below: Grant Date Number of Shares Vesting Date(s) As you know, the s

Form of Subscription Agreement for February 2019 Offering between Five Star Bancorp and certain holders party thereto

EX-10.6 8 e21201ex10-6.htm Exhibit 10.6 Form of Subscription Agreement for February 2019 Offering between Five Star Bancorp and certain holders party thereto 1. Subscription. The undersigned (the “Investor”) subscribes for and agrees to purchase the number of shares of common stock (the “Shares”) of Five Star Bancorp, a California corporation, (the “Corporation”) set forth on the signature page be

Form of 6.0% Fixed-to-Floating Rate Subordinated Note Due 2027 (included as Exhibit A to the Form of Subordinated Note Purchase Agreement for 6.0% Fixed-to-Floating Rate Subordinated Note due 2027, filed herewith as Exhibit 10.9)

Exhibit 10.9 FORM OF SUBORDINATED NOTE PURCHASE AGREEMENT FOR 6.0% FIXED-TO- FLOATING RATE SUBORDINATED NOTE DUE 2027 This SUBORDINATED NOTE PURCHASE AGREEMENT (this ?Agreement?) is dated as of September 28, 2017 and is made by and among Five Star Bancorp, a California corporation (?Company?), and the several purchasers of the Subordinated Notes identified on the signature pages hereto (each a ?Pu

Articles of Incorporation as presently in effect

EX-3.1 2 e21201ex3-1.htm Exhibit 3.1 ARTICLES OF INCORPORATION OF FIVE STAR BANCORP ONE: NAME The name of the corporation is: Five Star Bancorp TWO: PURPOSE The purpose of this corporation is to engage in any lawful act or activity for which a corporation may be organized under the General Corporations Law of California other than the banking business, the trust company business or the practice of