<SEC-DOCUMENT>0001531103-14-000002.txt : 20140627
<SEC-HEADER>0001531103-14-000002.hdr.sgml : 20140627
<ACCEPTANCE-DATETIME>20140627150455
ACCESSION NUMBER:		0001531103-14-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140625
FILED AS OF DATE:		20140627
DATE AS OF CHANGE:		20140627

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HECLA MINING CO/DE/
		CENTRAL INDEX KEY:			0000719413
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				770664171
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6500 N MINERAL DRIVE SUITE 200
		STREET 2:		NONE
		CITY:			COEUR D'ALENE
		STATE:			ID
		ZIP:			83815-9408
		BUSINESS PHONE:		2087694100

	MAIL ADDRESS:	
		STREET 1:		6500 N MINERAL DRIVE SUITE 200
		STREET 2:		NONE
		CITY:			COEUR D'ALENE
		STATE:			ID
		ZIP:			83815-9408

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Radford Lawrence P
		CENTRAL INDEX KEY:			0001531103

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08491
		FILM NUMBER:		14945709

	MAIL ADDRESS:	
		STREET 1:		6500 MINERAL DR., SUITE 200
		CITY:			COEUR D'ALENE
		STATE:			ID
		ZIP:			84815
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2014-06-25</periodOfReport>

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    <issuer>
        <issuerCik>0000719413</issuerCik>
        <issuerName>HECLA MINING CO/DE/</issuerName>
        <issuerTradingSymbol>HL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001531103</rptOwnerCik>
            <rptOwnerName>Radford Lawrence P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6500 MINERAL DR., SUITE 200</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>COEUR D'ALENE</rptOwnerCity>
            <rptOwnerState>ID</rptOwnerState>
            <rptOwnerZipCode>84815</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. VP - Operations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
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                <transactionFormType>4</transactionFormType>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>17523</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>91597</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
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                <sharesOwnedFollowingTransaction>
                    <value>91942</value>
                    <footnoteId id="F3"/>
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                <directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>101515</value>
                    <footnoteId id="F4"/>
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                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>321176</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Radford was awarded 102,389 restricted stock units on June 21, 2013.  The restrictions lapsed on one-third of those stock units (34,129 shares) and Mr. Radford elected to have Hecla Mining Company withhold 11,896 shares to cover his tax liability.  Mr. Radford was also awarded 47,845 restricted stock units on June 25, 2012.  The restrictions lapsed on one-third of those stock units (15,948 shares) and Mr. Radford elected to have Hecla Mining Company withhold 5,627 shares to cover his tax liability.</footnote>
        <footnote id="F2">Dividend shares accrued on the 34,129 and 15,948 restricted stock units that vested.</footnote>
        <footnote id="F3">Total shares beneficially held by Mr. Radford.</footnote>
        <footnote id="F4">Award of restricted stock units that vest as follows:  33,839 shares on June 25, 2015; 33,838 shares on June 25, 2016; and 33,838 shares on June 25, 2017.</footnote>
        <footnote id="F5">Total unvested restricted stock units held by Mr. Radford.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Tami D. Whitman, Attorney-in-Fact for Lawrence P. Radford</signatureName>
        <signatureDate>2014-06-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
