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Kosiba John W Jr. – ‘4’ for 12/19/19 re: American Superconductor Corp./DE

On:  Monday, 12/23/19, at 5:07pm ET   ·   For:  12/19/19   ·   Accession #:  1209191-19-61821   ·   File #:  0-19672

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

12/23/19  Kosiba John W Jr.                 4                      1:5K   American Superconductor Corp./DE  DONNELLEY FIN… File16/FA

Statement of Changes in Beneficial Ownership of Securities by an Insider   —   Form 4   —   SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 4           Form 4 Submission -- doc4.xml/3.6                   HTML      3K


        

This ‘4’ Document is an XML Data File that may be rendered in various formats:

  Form 4    –   Plain Text   –  SEC Website  –  EDGAR System  –    XML Data    –  <?xml?> File
 
 
XML Data rendering:  Form 4 Submission
 
                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<ownershipDocument>
<schemaVersion> X0306 </schemaVersion>
<documentType> 4 </documentType>
<periodOfReport> 2019-12-19 </periodOfReport>
<notSubjectToSection16> 0 </notSubjectToSection16>
<issuer>
<issuerCik> 0000880807 </issuerCik>
<issuerName> AMERICAN SUPERCONDUCTOR CORP /DE/ </issuerName>
<issuerTradingSymbol> AMSC </issuerTradingSymbol>
</issuer>
<reportingOwner>
<reportingOwnerId>
<rptOwnerCik> 0001703463 </rptOwnerCik>
<rptOwnerName> Kosiba John W JR </rptOwnerName>
</reportingOwnerId>
<reportingOwnerAddress>
<rptOwnerStreet1> C/O AMERICAN SUPERCONDUCTOR CORPORATION </rptOwnerStreet1>
<rptOwnerStreet2> 114 EAST MAIN ST </rptOwnerStreet2>
<rptOwnerCity> AYER </rptOwnerCity>
<rptOwnerState> MA </rptOwnerState>
<rptOwnerZipCode> 01432 </rptOwnerZipCode>
<rptOwnerStateDescription></rptOwnerStateDescription>
</reportingOwnerAddress>
<reportingOwnerRelationship>
<isDirector> 0 </isDirector>
<isOfficer> 1 </isOfficer>
<isTenPercentOwner> 0 </isTenPercentOwner>
<isOther> 0 </isOther>
<officerTitle> SVP, CFO & Treasurer </officerTitle>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable>
<nonDerivativeTransaction>
<securityTitle>
<value> Common Stock </value>
</securityTitle>
<transactionDate>
<value> 2019-12-19 </value>
</transactionDate>
<deemedExecutionDate></deemedExecutionDate>
<transactionCoding>
<transactionFormType> 4 </transactionFormType>
<transactionCode> S </transactionCode>
<equitySwapInvolved> 0 </equitySwapInvolved>
<footnoteId id="F1"/>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value> 10287 </value>
</transactionShares>
<transactionPricePerShare>
<value> 7.6306 </value>
<footnoteId id="F2"/>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value> D </value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value> 200171 </value>
<footnoteId id="F3"/>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value> D </value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeTransaction>
<nonDerivativeHolding>
<securityTitle>
<value> Common Stock </value>
</securityTitle>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value> 4055 </value>
<footnoteId id="F4"/>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value> I </value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value> By 401(k) Plan </value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeHolding>
</nonDerivativeTable>
<footnotes>
<footnote id="F1"> The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan. </footnote>
<footnote id="F2"> The sales were executed in multiple trades at prices ranging from $7.54-$7.70. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares and price at which the transaction was effected. </footnote>
<footnote id="F3"> Following all the transactions reported on this Form 4, the reporting person holds 200,171 shares directly, which reflects an adjustment to correct a prior immaterial computational error. </footnote>
<footnote id="F4"> Following all the transactions reported on this Form 4, the reporting person holds 4,055 shares indirectly through the Company's 401(k) plan as of December 23, 2019. </footnote>
</footnotes>
<remarks></remarks>
<ownerSignature>
<signatureName> /s/ John W. Kosiba, Jr. </signatureName>
<signatureDate> 2019-12-23 </signatureDate>
</ownerSignature>
</ownershipDocument>


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Filing Submission 0001209191-19-061821   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
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