<SEC-DOCUMENT>0001079810-18-000003.txt : 20180123
<SEC-HEADER>0001079810-18-000003.hdr.sgml : 20180123
<ACCEPTANCE-DATETIME>20180123095710
ACCESSION NUMBER:		0001079810-18-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180118
FILED AS OF DATE:		20180123
DATE AS OF CHANGE:		20180123

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NIELSEN RAYMOND A
		CENTRAL INDEX KEY:			0001194348
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1230

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16525
		FILM NUMBER:		18541277

	MAIL ADDRESS:	
		STREET 1:		BRIDGE BANCORP INC
		STREET 2:		2200 MONTAUK HIGHWAY
		CITY:			BRIDGEHAMPTON
		STATE:			NY
		ZIP:			11932

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CVD EQUIPMENT CORP
		CENTRAL INDEX KEY:			0000766792
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				112621692
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1860 SMITHTOWN AVE
		CITY:			RONKONKOMA
		STATE:			NY
		ZIP:			11779-7321
		BUSINESS PHONE:		6319817081

	MAIL ADDRESS:	
		STREET 1:		1860 SMITHTOWN AVE
		CITY:			RONKONKOMA
		STATE:			NY
		ZIP:			11779-7321
</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>2018-01-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000766792</issuerCik>
        <issuerName>CVD EQUIPMENT CORP</issuerName>
        <issuerTradingSymbol>CVV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001194348</rptOwnerCik>
            <rptOwnerName>NIELSEN RAYMOND A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>BRIDGE BANCORP INC</rptOwnerStreet1>
            <rptOwnerStreet2>2200 MONTAUK HIGHWAY</rptOwnerStreet2>
            <rptOwnerCity>BRIDGEHAMPTON</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11932</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>2018-01-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2800</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.02</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6800</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Common stock issued pursuant to the Corporation's 2016 Share Incentive Plan, vests as to 700 shares on each of March 31, 2018, June 30, 2018, September 30, 2018 and December 31, 2018 or as of the date of the 2018 annual meeting of shareholders but in no event earlier than November 15, 2018, provided such individual is still serving as a Director as of the vesting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Raymond A. Nielsen</signatureName>
        <signatureDate>2018-01-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
