<SEC-DOCUMENT>0001127602-25-015898.txt : 20250529
<SEC-HEADER>0001127602-25-015898.hdr.sgml : 20250529
<ACCEPTANCE-DATETIME>20250529170325
ACCESSION NUMBER:		0001127602-25-015898
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250528
FILED AS OF DATE:		20250529
DATE AS OF CHANGE:		20250529

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DiGiacomo John N.
		CENTRAL INDEX KEY:			0001751366
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35039
		FILM NUMBER:		251004501

	MAIL ADDRESS:	
		STREET 1:		C/O BANKUNITED, INC.
		STREET 2:		14817 OAK LANE
		CITY:			MIAMI LAKES
		STATE:			FL
		ZIP:			33016

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BankUnited, Inc.
		CENTRAL INDEX KEY:			0001504008
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		ORGANIZATION NAME:           	02 Finance
		EIN:				270162450
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		14817 OAK LANE
		CITY:			MIAMI LAKES
		STATE:			FL
		ZIP:			33016
		BUSINESS PHONE:		(305) 569-2000

	MAIL ADDRESS:	
		STREET 1:		14817 OAK LANE
		CITY:			MIAMI LAKES
		STATE:			FL
		ZIP:			33016
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-05-28</periodOfReport>

    <issuer>
        <issuerCik>0001504008</issuerCik>
        <issuerName>BankUnited, Inc.</issuerName>
        <issuerTradingSymbol>BKU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001751366</rptOwnerCik>
            <rptOwnerName>DiGiacomo John N.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BANKUNITED, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>14817 OAK LANE</rptOwnerStreet2>
            <rptOwnerCity>MIAMI LAKES</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33016</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>34.43</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14516</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 500 shares held in a joint account with the reporting person's spouse.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jacqueline Bravo, as Attorney-in-Fact</signatureName>
        <signatureDate>2025-05-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
