<SEC-DOCUMENT>0001193125-21-179941-index.html : 20210602
<SEC-HEADER>0001193125-21-179941.hdr.sgml : 20210602
<ACCEPTANCE-DATETIME>20210602164001
ACCESSION NUMBER:		0001193125-21-179941
CONFORMED SUBMISSION TYPE:	POS AM
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20210602
DATE AS OF CHANGE:		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:		POS AM
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-253611
		FILM NUMBER:		21989678

	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>POS AM
<SEQUENCE>1
<FILENAME>d155191dposam.htm
<DESCRIPTION>POS AM
<TEXT>
Document 1 - file: d155191dposam.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d155191dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d155191dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>d155191dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 3 - file: d155191dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.3
<SEQUENCE>4
<FILENAME>d155191dex233.htm
<DESCRIPTION>EX-23.3
<TEXT>
Document 4 - file: d155191dex233.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g155191dsp.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g155191dsp.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g155191g79p77.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g155191g79p77.jpg

</DOCUMENT>
</SEC-DOCUMENT>