<SEC-DOCUMENT>0001437749-24-009670.txt : 20240327
<SEC-HEADER>0001437749-24-009670.hdr.sgml : 20240327
<ACCEPTANCE-DATETIME>20240327205745
ACCESSION NUMBER:		0001437749-24-009670
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240327
FILED AS OF DATE:		20240327
DATE AS OF CHANGE:		20240327

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ko Alex
		CENTRAL INDEX KEY:			0001442518
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38149
		FILM NUMBER:		24793084

	MAIL ADDRESS:	
		STREET 1:		3200 WILSHIRE BOULEVARD, 14TH FLOOR
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			30010

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RBB Bancorp
		CENTRAL INDEX KEY:			0001499422
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				272776416
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1055 WILSHIRE BOULEVARD
		STREET 2:		SUITE 1200
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017
		BUSINESS PHONE:		213-533-7918

	MAIL ADDRESS:	
		STREET 1:		1055 WILSHIRE BOULEVARD
		STREET 2:		SUITE 1200
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rdgdoc.xml
<DESCRIPTION>ALEX KO LAST FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-03-27</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001499422</issuerCik>
        <issuerName>RBB Bancorp</issuerName>
        <issuerTradingSymbol>RBB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001442518</rptOwnerCik>
            <rptOwnerName>Ko Alex</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1055 WILSHIRE BLVD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1200</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Former EVP/CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <ownerSignature>
        <signatureName>/s/ Alex Ko</signatureName>
        <signatureDate>2024-03-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
