Five Star Bancorp 2025年度报告

(Mark One) xANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31, 2025oroTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from _____ to _____Commission file number: 001-40379FIVE STAR BANCORP (Exact name of registrant as specified in its charter) California(State or other jurisdiction of incorporation or organization)3100 Zinfandel Drive, Suite 100Rancho Cordova, California(Address of principal executive offices)75-3100966(I.R.S. Employer Identification No.)95670(Zip Code)(916) 626-5000(Registrant’s telephone number, including area code)Securities registered pursuant to Section 12(b) of the Act:Title of ClassTrading Symbol(s)Name of each exchange on whichregisteredCommon Stock, no par value per shareFSBCThe Nasdaq Stock Market LLCSecurities registered pursuant to Section 12(g) of the Act: None Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. YesoNox Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. YesoNox Indicate by check mark whether the registrant (l) has filed all reports required to be filed by Section 13 or Section 15(d) of the Securities ExchangeAct of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subjectto such filing requirements for the past 90 days. YesxNoo Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405of Regulation S-T (Section 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required tosubmit such files). YesxNoo Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, oran emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerginggrowth company” in Rule 12b-2 of the Exchange Act. If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with anynew or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.o Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internalcontrol over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm thatprepared or issued its audit report.o If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included inthe filing reflect the correction of an error to previously issued financial statements.o Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensationreceived by any of the registrant’s executive officers during the relevant recovery period pursuant to § 240.10D-1(b).o The aggregate market value of the voting and non-voting common equity of the registrant held by non-affiliates as of June 30, 2025 was $477.2million. As of February 24, 2026, the number of shares outstanding of the registrant’s common stock was 21,376,153. DOCUMENTS INCORPORATED BY REFERENCE Portions of the Registrant’s Definitive Proxy Statement to be filed with the Securities and Exchange Commission pursuant to Regulation 14A for its2026 Annual Meeting of Shareholders are incorporated by reference into Part III of this Annual Report on Form 10-K. INDEX Cautionary Note Regarding Forward-Looking Statements 1 PART I Item 1.BusinessItem 1A.Risk FactorsItem 1B.Unresolved Staff CommentsItem 1C.CybersecurityItem 2.PropertiesItem 3.Legal ProceedingsItem 4.Mine Safety Disclosures PART II Item 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases ofEquity Securities43Item 6.[Reserved]44Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations44Item 7A.Quantitative and Qualitative Disclosure About Market Risk73Item 8.Financial Statements and Supplementary Data75Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure124Item 9A.Controls and Procedures124Item 9B.Other Information125 PART III 126 Item 10.Directors, Executive Officers and Corporate Governance126Item 11.Executive Compensation126Item 12.Security Ownership of Certain Beneficial Owners and Management and Related ShareholderMatters126Item 13.Certain Relationships and Related Transactions, and Director Independence127Item 14.Principal Accountant Fees and Services127 PART IV 128 Item