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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 PaIyDs8uVBOvcIxyTwKAH+ZmNNc07NVtlznaQ02iiHRfeDKHnKeJO2xk30HogJPc
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<SEC-DOCUMENT>0001479813-10-000003.txt : 20100430
<SEC-HEADER>0001479813-10-000003.hdr.sgml : 20100430
<ACCEPTANCE-DATETIME>20100430112720
ACCESSION NUMBER:		0001479813-10-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100428
FILED AS OF DATE:		20100430
DATE AS OF CHANGE:		20100430

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DiNunzio Steven
		CENTRAL INDEX KEY:			0001479813

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-53510
		FILM NUMBER:		10784901

	MAIL ADDRESS:	
		STREET 1:		15 COACHMAN COURT
		CITY:			BERKELEY HEIGHTS
		STATE:			NJ
		ZIP:			07922

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WindTamer Corp
		CENTRAL INDEX KEY:			0001424640
		STANDARD INDUSTRIAL CLASSIFICATION:	ENGINES & TURBINES [3510]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		156 COURT STREET
		CITY:			GENESEO
		STATE:			NY
		ZIP:			14454
		BUSINESS PHONE:		585-243-4040

	MAIL ADDRESS:	
		STREET 1:		156 COURT STREET
		CITY:			GENESEO
		STATE:			NY
		ZIP:			14454

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Future Energy Solutions Inc
		DATE OF NAME CHANGE:	20080123
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-04-28</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001424640</issuerCik>
        <issuerName>WindTamer Corp</issuerName>
        <issuerTradingSymbol>OTCBB:WNDT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001479813</rptOwnerCik>
            <rptOwnerName>DiNunzio Steven</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>15 COACHMAN COURT</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BERKELEY HEIGHTS</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07922</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.78</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-04-28</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-04-28</value>
            </exerciseDate>
            <expirationDate>
                <value>2020-01-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>200000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option grant was approved by WindTamer Corporation's Board of Directors on January 5, 2010, subject to shareholder approval.  WindTamer's shareholders approved the option grant on April 28, 2010.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Steven DiNunzio</signatureName>
        <signatureDate>2010-04-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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