<SEC-DOCUMENT>0001275168-23-000096.txt : 20230517
<SEC-HEADER>0001275168-23-000096.hdr.sgml : 20230517
<ACCEPTANCE-DATETIME>20230517100323
ACCESSION NUMBER:		0001275168-23-000096
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230515
FILED AS OF DATE:		20230517
DATE AS OF CHANGE:		20230517

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Allbaugh Larry Eugene
		CENTRAL INDEX KEY:			0001855823

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40379
		FILM NUMBER:		23929888

	MAIL ADDRESS:	
		STREET 1:		3100 ZINFANDEL DRIVE, SUITE 100
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95670

	FORMER NAME:	
		FORMER CONFORMED NAME:	Allbaugh Lawrence Eugene
		DATE OF NAME CHANGE:	20210408

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIVE STAR BANCORP
		CENTRAL INDEX KEY:			0001275168
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				753100966
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3100 ZINFANDEL DRIVE
		STREET 2:		SUITE 100
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95670
		BUSINESS PHONE:		916-626-5000

	MAIL ADDRESS:	
		STREET 1:		3100 ZINFANDEL DRIVE
		STREET 2:		SUITE 100
		CITY:			RANCHO CORDOVA
		STATE:			CA
		ZIP:			95670
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_168433219082108.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-05-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001275168</issuerCik>
        <issuerName>FIVE STAR BANCORP</issuerName>
        <issuerTradingSymbol>FSBC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001855823</rptOwnerCik>
            <rptOwnerName>Allbaugh Larry Eugene</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FIVE STAR BANCORP</rptOwnerStreet1>
            <rptOwnerStreet2>3100 ZINFANDEL DRIVE, SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>RANCHO CORDOVA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95670</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-05-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.33</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>895835</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>OAT Trustee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-05-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2308</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>18.19</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Buzz Oates LLC Affiliate</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>410695</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>K Oates-Fairrington QSST Trustee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>410695</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>P Oates QSST Trustee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>410695</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>M Applegate QSST Trustee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>410695</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>J Oates-Holt QSST Trustee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F9"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>476886</value>
                    <footnoteId id="F10"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By self as Trustee</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F11"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">As trustee of this trust, Mr. Allbaugh has voting and dispositive power over these shares and may be deemed to be the indirect beneficial owner of such shares for purposes of Section 16. However, Mr. Allbaugh is not the beneficiary of this trust. Accordingly, Mr. Allbaugh disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that Mr. Allbaugh is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F2">Shares are held by the Oates Administrative Trust, for which Mr. Allbaugh serves as a trustee.</footnote>
        <footnote id="F3">Reflects an adjustment of 7,692 additional shares identified through a regular review process of all entities that hold shares where Mr. Allbaugh is affiliated and for which Mr. Allbaugh may be deemed to be the indirect beneficial owner for purposes of Section 16. These shares were previously reported as being held by other entities with which Mr. Allbaugh is affiliated, and the applicable total reflects an adjustment of fewer shares held by such entities. As a result, there was no change to the total number of shares held by Mr. Allbaugh for this adjustment.</footnote>
        <footnote id="F4">Shares are held by Buzz Oates LLC, of which Mr. Allbaugh has significant influence. Mr. Allbaugh disclaims beneficial ownership of the shares held by Buzz Oates LLC.</footnote>
        <footnote id="F5">Reflects an adjustment of 1,923 fewer shares identified through a regular review process of all entities that hold shares where Mr. Allbaugh is affiliated and for which Mr. Allbaugh may be deemed to be the indirect beneficial owner for purposes of Section 16. These shares are now reported as being held by Buzz Oates LLC, with which Mr. Allbaugh is affiliated, and the applicable total reflects an adjustment of additional shares by Buzz Oates LLC. As a result, there was no change to the total number of shares held by Mr. Allbaugh for this adjustment.</footnote>
        <footnote id="F6">Shares are held by the QSST Subtrust of the Kathryn Oates-Fairrington Irrevocable Trust, dated December 16, 2009, for which Mr. Allbaugh serves as trustee.</footnote>
        <footnote id="F7">Shares are held by the QSST Subtrust of the Philip D. Oates Irrevocable Trust, dated December 16, 2009, for which Mr. Allbaugh serves as trustee.</footnote>
        <footnote id="F8">Shares are held by the QSST Subtrust of the Marvilyn E. Applegate Irrevocable Trust, dated December 16, 2009, for which Mr. Allbaugh serves as trustee.</footnote>
        <footnote id="F9">Shares are held by the QSST Subtrust of the Judy Oates-Holt Irrevocable Trust, dated December 16, 2009, for which Mr. Allbaugh serves as trustee.</footnote>
        <footnote id="F10">Includes 1,262 unvested shares granted pursuant to the Five Star Bancorp 2021 Equity Incentive Plan with all shares scheduled to vest on December 31, 2023, provided the reporting person, Mr. Allbaugh, remains as a director with Five Star Bancorp on that date.</footnote>
        <footnote id="F11">Shares are held by the Larry and Laura Allbaugh Living Trust dated November 5, 1997, for which Mr. Allbaugh serves as a trustee.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Larry E. Allbaugh, by Heather C. Luck, Attorney-in-Fact</signatureName>
        <signatureDate>2023-05-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
