<SEC-DOCUMENT>0001193125-21-179834-index.html : 20210602
<SEC-HEADER>0001193125-21-179834.hdr.sgml : 20210602
<ACCEPTANCE-DATETIME>20210602160544
ACCESSION NUMBER:		0001193125-21-179834
CONFORMED SUBMISSION TYPE:	POSASR
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20210602
DATE AS OF CHANGE:		20210602
EFFECTIVENESS DATE:		20210602

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:		POSASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-253611
		FILM NUMBER:		21989118

	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>POSASR
<SEQUENCE>1
<FILENAME>d158942dposasr.htm
<DESCRIPTION>POSASR
<TEXT>
Document 1 - file: d158942dposasr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d158942dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d158942dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>d158942dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 3 - file: d158942dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.3
<SEQUENCE>4
<FILENAME>d158942dex233.htm
<DESCRIPTION>EX-23.3
<TEXT>
Document 4 - file: d158942dex233.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g158942g01g11.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g158942g01g11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g158942g36e47.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g158942g36e47.jpg

</DOCUMENT>
</SEC-DOCUMENT>