<SEC-DOCUMENT>0001628280-18-007711-index.html : 20180607
<SEC-HEADER>0001628280-18-007711.hdr.sgml : 20180607
<ACCEPTANCE-DATETIME>20180607165856
ACCESSION NUMBER:		0001628280-18-007711
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20180607
FILED AS OF DATE:		20180607
DATE AS OF CHANGE:		20180607

FILER:

	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

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19672
		FILM NUMBER:		18887124

	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>10-K/A
<SEQUENCE>1
<FILENAME>amsc2018033110-ka.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: amsc2018033110-ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.11
<SEQUENCE>2
<FILENAME>exh1011nondisclosure.htm
<DESCRIPTION>EXHIBIT 10.11
<TEXT>
Document 2 - file: exh1011nondisclosure.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>3
<FILENAME>exhibit313to10ka.htm
<DESCRIPTION>EXHIBIT 31.3
<TEXT>
Document 3 - file: exhibit313to10ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.4
<SEQUENCE>4
<FILENAME>exhibit314to10ka.htm
<DESCRIPTION>EXHIBIT 31.4
<TEXT>
Document 4 - file: exhibit314to10ka.htm

</DOCUMENT>
</SEC-DOCUMENT>