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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0000931948-06-000005.txt : 20060501
<SEC-HEADER>0000931948-06-000005.hdr.sgml : 20060501
<ACCEPTANCE-DATETIME>20060501162237
ACCESSION NUMBER:		0000931948-06-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060427
FILED AS OF DATE:		20060501
DATE AS OF CHANGE:		20060501

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ACKERMAN TERRELL
		CENTRAL INDEX KEY:			0001221607

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13053
		FILM NUMBER:		06795375

	BUSINESS ADDRESS:	
		STREET 1:		2737 SOUTH GREGORY DR
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59102
		BUSINESS PHONE:		4066518638

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STILLWATER MINING CO /DE/
		CENTRAL INDEX KEY:			0000931948
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS METAL ORES [1090]
		IRS NUMBER:				810480654
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1321 DISCOVERY DRIVE
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59102
		BUSINESS PHONE:		406.373.8700

	MAIL ADDRESS:	
		STREET 1:		1321 DISCOVERY DRIVE
		CITY:			BILLINGS
		STATE:			MT
		ZIP:			59102
</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>2006-04-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000931948</issuerCik>
        <issuerName>STILLWATER MINING CO /DE/</issuerName>
        <issuerTradingSymbol>SWC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001221607</rptOwnerCik>
            <rptOwnerName>ACKERMAN TERRELL</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-04-27</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2006-05-01</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12001</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>55341</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <remarks>Under the Stillwater Mining Company 2004 Equity Incentive Plan, on April 27, 2006, Mr. Ackerman was granted 12,001 restricted shares of Stillwater Mining Company common stock.  These shares will vest on April 27, 2009.</remarks>

    <ownerSignature>
        <signatureName>Terrell I. Ackerman</signatureName>
        <signatureDate>2006-05-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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