<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-10-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001275229</issuerCik>
        <issuerName>General Moly, Inc</issuerName>
        <issuerTradingSymbol>GMO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001508119</rptOwnerCik>
            <rptOwnerName>Hanlong (USA) Mining Investment Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SUITE 2903, 9 CASTLEREAGH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SYDNEY</rptOwnerCity>
            <rptOwnerState>C3</rptOwnerState>
            <rptOwnerZipCode>2000</rptOwnerZipCode>
            <rptOwnerStateDescription>AUSTRALIA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001508302</rptOwnerCik>
            <rptOwnerName>Hanlong Resources Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SUITE 2903, 9 CASTLEREAGH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SYDNEY</rptOwnerCity>
            <rptOwnerState>C3</rptOwnerState>
            <rptOwnerZipCode>2000</rptOwnerZipCode>
            <rptOwnerStateDescription>AUSTRALIA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001510801</rptOwnerCik>
            <rptOwnerName>Sichuan Hanlong Group Co., Ltd</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>20F, HONGDA BUILDING</rptOwnerStreet1>
            <rptOwnerStreet2>NO. 2 EAST JIN LI ROAD</rptOwnerStreet2>
            <rptOwnerCity>CHENGDU, SICHUAN</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>610041</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001510803</rptOwnerCik>
            <rptOwnerName>Liu XiaoPing</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5-1 UNIT 2, ZHONGNANZHENG ST., NO. 6</rptOwnerStreet1>
            <rptOwnerStreet2>WUHON DISTRICT</rptOwnerStreet2>
            <rptOwnerCity>CHENGDU, SICHUAN</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>610000</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001510805</rptOwnerCik>
            <rptOwnerName>Liu Geng</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>NO. 32 UNIT 3, BUILDING 2, SHUNSHA ST</rptOwnerStreet1>
            <rptOwnerStreet2>NO. 8, JINNIU DISTRICT</rptOwnerStreet2>
            <rptOwnerCity>CHENGDU, SICHUAN</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>610000</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001510804</rptOwnerCik>
            <rptOwnerName>Yang Xue</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SUITES 2-2, NO. 3 DANYUAN, NO. 6</rptOwnerStreet1>
            <rptOwnerStreet2>ZHONGNANZHENG ST., WUHON DISTRICT</rptOwnerStreet2>
            <rptOwnerCity>CHENGDU, SICHUAN</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>610000</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001512708</rptOwnerCik>
            <rptOwnerName>Liu YiFan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>20F, HONGDA BUILDING</rptOwnerStreet1>
            <rptOwnerStreet2>NO. 2 EAST JIN LI ROAD</rptOwnerStreet2>
            <rptOwnerCity>CHENGDU, SICHUAN</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>610041</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11843341</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Warrant (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.23</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2012-10-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2013-04-26</value>
            </exerciseDate>
            <expirationDate>
                <value>2015-04-26</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The securities reported on this Form 4 are beneficially owned directly by Hanlong (USA) Mining Investment, Inc. and indirectly by each of Hanlong Resources Limited, Sichuan Hanlong Group Co., Ltd., Xiaoping Liu, Geng Liu, Xue Yang and Yifan Liu.</footnote>
        <footnote id="F2">Hanlong (USA) Mining Investment, Inc. (&quot;Hanlong (USA)&quot;)and the Issuer entered into a Subordinated Loan Agreement dated October 26, 2012 pursuant to which Hanlong USA agreed to make certain financial facilities available to the Issuer.  The warrant was issued to Hanlong USA in conjunction with this agreement.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Nelson Feng Chen, President</signatureName>
        <signatureDate>2012-10-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Nelson Feng Chen, Director</signatureName>
        <signatureDate>2012-10-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Nelson Feng Chen, Attorney-in-Fact</signatureName>
        <signatureDate>2012-10-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Nelson Feng Chen, Attorney-in-Fact</signatureName>
        <signatureDate>2012-10-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Nelson Feng Chen, Attorney-in-Fact</signatureName>
        <signatureDate>2012-10-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Nelson Feng Chen, Attorney-in-Fact</signatureName>
        <signatureDate>2012-10-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Nelson Feng Chen, Attorney-in-Fact</signatureName>
        <signatureDate>2012-10-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
