<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-09-07</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001543643</issuerCik>
        <issuerName>CU Bancorp</issuerName>
        <issuerTradingSymbol>CUNB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001555310</rptOwnerCik>
            <rptOwnerName>Selleck Daniel F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CU BANCORP 15821 VENTURA BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>ENCINO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91436</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-09-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.55</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>38650</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>28500</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>As Trustee of the Daniel F. Selleck Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">1,000 restricted shares of common stock were granted to the reporting person on September 7, 2012. The closing price per share of the issuer's stock as of that date was $11.55 per share. The restricted stock shares are subject to time-based vesting pursuant to which 500 shares will vest on each of September 7, 2013 and 2014.</footnote>
        <footnote id="F2">Includes previously reported 750 shares of restricted stock granted on June 27, 2011 that will vest fully on June 27, 2013, which shares of CU Bancorp common stock were received pursuant to the Agreement and Plan of Merger between CU Bancorp, California United Bank, Premier Commercial Bancorp and Premier Commercial Bank, N. A. dated December 8, 2011, in exchange for shares of California United Bank common stock as described in greater detail in the Form S-4 originally filed on April 13, 2012, effective June 20, 2012 (File # 333-180739).</footnote>
        <footnote id="F3">The shares of CU Bancorp common stock were received pursuant to the Agreement and Plan of Merger between CU Bancorp, California United Bank, Premier Commercial Bancorp and Premier Commercial Bank, N.A. dated December 8, 2011, in exchange for shares of California United Bank common stock as described in greater detail in the Form S-4 originally filed on April 13, 2012, effective June 20, 2012 (File # 333-180739).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Anita Wolman, by power of attorney</signatureName>
        <signatureDate>2012-09-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
