AMERICAN SUPERCONDUCTOR CORP /DE/ reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Devens, MA
SEC filing record 1 source field available
Fiscal year end
31 March
AMERICAN SUPERCONDUCTOR CORP /DE/ has filed 1,324 SEC EDGAR filings since 29 Jul 1996

SEC filing history

Showing 26-50 of 62 matching filings.

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2
SC 13G File 005-41994

SC 13G filing

Filing date
12 Feb 2020
Reporting date
Not listed
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SC 13G File 005-41994

SC 13G filing

Filing date
07 Feb 2020
Reporting date
Not listed
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SC 13G/A File 005-41994

SC 13G/A filing

Filing date
04 Feb 2020
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Not listed
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SC 13G File 005-41994

SC 13G

Filing date
27 Jan 2020
Reporting date
Not listed
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SC 13G File 005-41994

SC 13G filing

Filing date
24 Jun 2019
Reporting date
Not listed
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SC 13G File 005-41994

SC 13G

Filing date
14 Feb 2019
Reporting date
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SC 13G/A File 005-41994

SCHEDULE 13G/A (AMENDMENT NO. 1)

Filing date
13 Feb 2019
Reporting date
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SC 13G/A File 005-41994

AMERICAN SUPERCONDUCTOR 13G/A

Filing date
13 Feb 2019
Reporting date
Not listed
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SC 13G/A File 005-41994

AMENDMENT TO FORM SC 13G

Filing date
08 Feb 2019
Reporting date
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SC 13G File 005-41994

REPORT OF ACQUISITION OF BENEFICIAL OWNERSHIP

Filing date
08 Feb 2019
Reporting date
Not listed
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SC 13G File 005-41994

ACQUISITION OF BENEFICIAL OWNERSHIP

Filing date
05 Oct 2018
Reporting date
Not listed
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SC 13G File 005-41994

SC 13G

Filing date
08 Mar 2018
Reporting date
Not listed
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SC 13G File 005-41994

AMERICAN SUPERCONDUCTOR 13G

Filing date
13 Feb 2018
Reporting date
Not listed
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SC 13G/A File 005-41994

SC 13G/A

Filing date
26 Jan 2018
Reporting date
Not listed
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SC 13G/A File 005-41994

AMERICAN SUPERCONDUCTOR

Filing date
08 Sep 2017
Reporting date
Not listed
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SC 13G File 005-41994

SCHEDULE 13G

Filing date
08 May 2017
Reporting date
Not listed
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SC 13G/A File 005-41994

AMERICAN SUPERCONDUCTOR 13G/A

Filing date
10 Feb 2017
Reporting date
Not listed
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SC 13G File 005-41994

SC 13G

Filing date
12 Feb 2016
Reporting date
Not listed
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SC 13G File 005-41994

AMERICAN SUPERCONDUCTOR 13G

Filing date
11 Feb 2016
Reporting date
Not listed
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SC 13G/A File 005-41994

SC 13G/A

Filing date
13 Feb 2015
Reporting date
Not listed
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SC 13G/A File 005-41994

SC 13G/A filing

Filing date
10 Jul 2014
Reporting date
Not listed
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SC 13G/A File 005-41994

SC 13G/A

Filing date
13 Feb 2014
Reporting date
Not listed
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SC 13G File 005-41994

SC 13G filing

Filing date
28 Jan 2014
Reporting date
Not listed
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SC 13G/A File 005-41994

SC 13G/A filing

Filing date
10 Dec 2013
Reporting date
Not listed
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SC 13G/A File 005-41994

SC 13G/A

Filing date
13 Feb 2013
Reporting date
Not listed
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