<SEC-DOCUMENT>0001568214-19-000002.txt : 20190102
<SEC-HEADER>0001568214-19-000002.hdr.sgml : 20190102
<ACCEPTANCE-DATETIME>20190102143640
ACCESSION NUMBER:		0001568214-19-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190102
FILED AS OF DATE:		20190102
DATE AS OF CHANGE:		20190102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Rifkin Daniel E
		CENTRAL INDEX KEY:			0001762603

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11486
		FILM NUMBER:		19501196

	MAIL ADDRESS:	
		STREET 1:		C/O CONNECTONE BANK, 301 SYLVAN AVENUE
		CITY:			ENGLEWOOD CLIFFS
		STATE:			NJ
		ZIP:			07632

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ConnectOne Bancorp, Inc.
		CENTRAL INDEX KEY:			0000712771
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				521273725
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		301 SYLVAN AVENUE
		CITY:			ENGLEWOOD CLIFFS
		STATE:			NJ
		ZIP:			07632
		BUSINESS PHONE:		2018168900

	MAIL ADDRESS:	
		STREET 1:		301 SYLVAN AVENUE
		CITY:			ENGLEWOOD CLIFFS
		STATE:			NJ
		ZIP:			07632

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CENTER BANCORP INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-01-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000712771</issuerCik>
        <issuerName>ConnectOne Bancorp, Inc.</issuerName>
        <issuerTradingSymbol>CNOB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001762603</rptOwnerCik>
            <rptOwnerName>Rifkin Daniel E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CONNECTONE BANK, 301 SYLVAN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ENGLEWOOD CLIFFS</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07632</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>2019-01-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>179142</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>179142</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-01-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>16856</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16856</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By spouse</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Received in exchange for 731,200 shares of Greater Hudson Bank (&quot;GHB&quot;) common stock in connection with merger of GHB into ConnectOne Bancorp, Inc. (&quot;CNOB&quot;). On the effective date of the merger, the closing price of GHB's common stock was $4.25 per share and the closing price of CNOB's common stock was $18.47 per share.</footnote>
        <footnote id="F2">Received in exchange for 68,800 GHB common stock in connection with merger of GHB into CNOB. On the effective date of the merger, the closing price of GHB's common stock was $4.25 per share and the closing price of CNOB's common stock was $18.47 per share.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Laura Criscione</signatureName>
        <signatureDate>2019-01-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
