<SEC-DOCUMENT>0001209191-19-033246.txt : 20190529
<SEC-HEADER>0001209191-19-033246.hdr.sgml : 20190529
<ACCEPTANCE-DATETIME>20190529170850
ACCESSION NUMBER:		0001209191-19-033246
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190521
FILED AS OF DATE:		20190529
DATE AS OF CHANGE:		20190529

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Littlefield Barbara G.
		CENTRAL INDEX KEY:			0001777725

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19672
		FILM NUMBER:		19863030

	MAIL ADDRESS:	
		STREET 1:		C/O AMERICAN SUPERCONDUCTOR CORPORATION
		STREET 2:		114 EAST MAIN STREET
		CITY:			AYER
		STATE:			MA
		ZIP:			01432

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN SUPERCONDUCTOR CORP /DE/
		CENTRAL INDEX KEY:			0000880807
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTORS & GENERATORS [3621]
		IRS NUMBER:				042959321
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		SIXTY FOUR JACKSON ROAD
		CITY:			DEVENS
		STATE:			MA
		ZIP:			01434
		BUSINESS PHONE:		9788423000

	MAIL ADDRESS:	
		STREET 1:		SIXTY FOUR JACKSON ROAD
		CITY:			DEVENS
		STATE:			MA
		ZIP:			01434
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2019-05-21</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000880807</issuerCik>
        <issuerName>AMERICAN SUPERCONDUCTOR CORP /DE/</issuerName>
        <issuerTradingSymbol>AMSC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001777725</rptOwnerCik>
            <rptOwnerName>Littlefield Barbara G.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMERICAN SUPERCONDUCTOR CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>114 EAST MAIN STREET</rptOwnerStreet2>
            <rptOwnerCity>AYER</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01432</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Barbara G. Littlefield</signatureName>
        <signatureDate>2019-05-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
