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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 ReOAp3AjGW0JJstBArNe/ITHnZwBLuqFY/joRoSb3mMySKsAR8o3DBbCJOSRtZt5
 NCk9Tln2uJtkcemsJ2ikSA==

<SEC-DOCUMENT>0001179350-08-000021.txt : 20080528
<SEC-HEADER>0001179350-08-000021.hdr.sgml : 20080528
<ACCEPTANCE-DATETIME>20080528190540
ACCESSION NUMBER:		0001179350-08-000021
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080528
FILED AS OF DATE:		20080528
DATE AS OF CHANGE:		20080528

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERITYRE CORP
		CENTRAL INDEX KEY:			0000945828
		STANDARD INDUSTRIAL CLASSIFICATION:	TIRES AND INNER TUBES [3011]
		IRS NUMBER:				870535207
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		1501 INDUSTRIAL ROAD
		CITY:			BOULDER CITY
		STATE:			NV
		ZIP:			89005
		BUSINESS PHONE:		7022931930

	MAIL ADDRESS:	
		STREET 1:		1501 INDUSTRIAL ROAD
		CITY:			BOULDER CITY
		STATE:			NV
		ZIP:			89005

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN TIRE CORP
		DATE OF NAME CHANGE:	19951117

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Suarez Anders Alfonso
		CENTRAL INDEX KEY:			0001296628

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50053
		FILM NUMBER:		08864665

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		702-293-1930 X 112

	MAIL ADDRESS:	
		STREET 1:		1501 INDUSTRIAL ROAD
		CITY:			BOULDER CITY
		STATE:			NV
		ZIP:			89005
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-05-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000945828</issuerCik>
        <issuerName>AMERITYRE CORP</issuerName>
        <issuerTradingSymbol>AMTY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001296628</rptOwnerCik>
            <rptOwnerName>Suarez Anders Alfonso</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1501 INDUSTRIAL ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOULDER CITY</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89005</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-05-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5586</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.79</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36539</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>6.6</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2007-06-30</value>
            </exerciseDate>
            <expirationDate>
                <value>2010-06-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>50000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>6.4</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-12-16</value>
            </exerciseDate>
            <expirationDate>
                <value>2009-12-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>25000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Bonus shares awarded by board of directors.</footnote>
        <footnote id="F2">Shares valued at closing price on date of board approval.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Anders Suarez</signatureName>
        <signatureDate>2008-05-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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