<SEC-DOCUMENT>0001648210-18-000010.txt : 20180904
<SEC-HEADER>0001648210-18-000010.hdr.sgml : 20180904
<ACCEPTANCE-DATETIME>20180904140355
ACCESSION NUMBER:		0001648210-18-000010
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180904
FILED AS OF DATE:		20180904
DATE AS OF CHANGE:		20180904

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DEGASPERIS CORRADO F
		CENTRAL INDEX KEY:			0001066127

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35200
		FILM NUMBER:		181052027

	MAIL ADDRESS:	
		STREET 1:		C/O NOVAMERICAN STEEL INC.
		STREET 2:		1050 UNIVERSITY AVENUE
		CITY:			NORWOOD
		STATE:			MA
		ZIP:			02062

	FORMER NAME:	
		FORMER CONFORMED NAME:	DEGASPERIS CORRADO S
		DATE OF NAME CHANGE:	19980716

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Comstock Mining Inc.
		CENTRAL INDEX KEY:			0001120970
		STANDARD INDUSTRIAL CLASSIFICATION:	GOLD & SILVER ORES [1040]
		IRS NUMBER:				650955118
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1200 AMERICAN FLAT ROAD
		CITY:			VIRGINIA CITY,
		STATE:			NV
		ZIP:			89440
		BUSINESS PHONE:		775-847-5272

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 1118
		CITY:			VIRGINIA CITY,
		STATE:			NV
		ZIP:			89440

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GOLDSPRING INC
		DATE OF NAME CHANGE:	20040730

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GOLDSPRING
		DATE OF NAME CHANGE:	20030821

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STARTCALL COM INC
		DATE OF NAME CHANGE:	20010305
</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>2018-09-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001120970</issuerCik>
        <issuerName>Comstock Mining Inc.</issuerName>
        <issuerTradingSymbol>LODE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001066127</rptOwnerCik>
            <rptOwnerName>DEGASPERIS CORRADO F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 1118</rptOwnerStreet1>
            <rptOwnerStreet2>1200 AMERICAN FLAT ROAD</rptOwnerStreet2>
            <rptOwnerCity>VIRGINIA CITY</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89440</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman, President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-09-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>21500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.17</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>494600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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            <securityTitle>
                <value>Common Stock</value>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.1693</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>497200</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <transactionCoding>
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                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
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            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
                    <value>0.1694</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>498100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-09-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1900</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.1727</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>500000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Corrado DeGasperis</signatureName>
        <signatureDate>2018-09-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
