<SEC-DOCUMENT>0001516592-21-000001.txt : 20211124
<SEC-HEADER>0001516592-21-000001.hdr.sgml : 20211124
<ACCEPTANCE-DATETIME>20211124132739
ACCESSION NUMBER:		0001516592-21-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210115
FILED AS OF DATE:		20211124
DATE AS OF CHANGE:		20211124

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Waldman Lawrence
		CENTRAL INDEX KEY:			0001516592

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16525
		FILM NUMBER:		211444567

	MAIL ADDRESS:	
		STREET 1:		5115 ULMERTON RD.
		CITY:			CLEARWATER
		STATE:			FL
		ZIP:			33770

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:		355 S. TECHNOLOGY DRIVE
		CITY:			CENTRAL ISLIP
		STATE:			NY
		ZIP:			11722
		BUSINESS PHONE:		6319817081

	MAIL ADDRESS:	
		STREET 1:		355 S. TECHNOLOGY DRIVE
		CITY:			CENTRAL ISLIP
		STATE:			NY
		ZIP:			11722
</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>2021-01-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001516592</rptOwnerCik>
            <rptOwnerName>Waldman Lawrence</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5115 ULMERTON RD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CLEARWATER</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33770</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>2021-01-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9600</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.7</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Common Stock issued pursuant to the Corporations 2016 share Incentive Plan, vest as to 2,400 shares on each March 31, 2021, June 30, 2021, September 30, 2021 and December 31, 2021, or as the date of the 2021 annual meeting of shareholders but in no event earlier than November 15, 2021 provided that such individual is still serving as a Director as of the vesting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Lawrence J. Waldman</signatureName>
        <signatureDate>2021-11-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
