<SEC-DOCUMENT>0001236498-14-000001.txt : 20140627
<SEC-HEADER>0001236498-14-000001.hdr.sgml : 20140627
<ACCEPTANCE-DATETIME>20140627145430
ACCESSION NUMBER:		0001236498-14-000001
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:			SABALA JAMES A
		CENTRAL INDEX KEY:			0001236498

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08491
		FILM NUMBER:		14945654
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
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    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

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

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001236498</rptOwnerCik>
            <rptOwnerName>SABALA JAMES A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Sr. Vice President &amp; CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2014-06-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>21968</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>162318</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                <value>Common Stock</value>
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                <transactionShares>
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                    <footnoteId id="F2"/>
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                <transactionPricePerShare>
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                </transactionPricePerShare>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>162793</value>
                    <footnoteId id="F3"/>
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                <directOrIndirectOwnership>
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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>
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                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>104545</value>
                    <footnoteId id="F4"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>365197</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Sabala was awarded 117,747 restricted stock units on June 21, 2013.  The restrictions lapsed on one-third of those stock units (39,249 shares) and Mr. Sabala elected to have Hecla Mining Company withhold 13,681 shares to cover his tax liability.  Mr. Sabala was also awarded 70,474 restricted stock units on June 25, 2012.  The restrictions lapsed on one-third of those stock units (23,491 shares) and Mr. Sabala elected to have Hecla Mining Company withhold 8,287 shares to cover his tax liability.</footnote>
        <footnote id="F2">Dividend shares accrued on the 39,249 and 23,491 restricted stock units that vested.</footnote>
        <footnote id="F3">Total shares beneficially held by Mr. Sabala.</footnote>
        <footnote id="F4">Award of restricted stock units that vest as follows:  34,849 shares on June 25, 2015; 34,848 shares on June 25, 2016; and 34,848 shares on June 25, 2017.</footnote>
        <footnote id="F5">Total unvested restricted stock units held by Mr. Sabala.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Tami D. Whitman, Attorney-in-Fact for James A. Sabala</signatureName>
        <signatureDate>2014-06-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
