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 1,321 SEC EDGAR filings since 29 Jul 1996

SEC filing history

Showing 151-175 of 857 matching filings.

Per page
25
Current page
7
SC 13G/A File 005-41994

SC 13G/A filing

Filing date
05 Jul 2023
Reporting date
Not listed
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ARS File 000-19672

ARS

Filing date
28 Jun 2023
Reporting date
31 Dec 2022
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DEFA14A File 000-19672

DEFA14A

Filing date
28 Jun 2023
Reporting date
Not listed
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DEF 14A File 000-19672

DEF 14A

Filing date
28 Jun 2023
Reporting date
11 Aug 2023
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4

FORM 4 SUBMISSION

Filing date
23 Jun 2023
Reporting date
21 Jun 2023
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4

FORM 4 SUBMISSION

Filing date
23 Jun 2023
Reporting date
21 Jun 2023
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144 File 000-19672

144 filing

Filing date
22 Jun 2023
Reporting date
Not listed
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144 File 000-19672

144 filing

Filing date
22 Jun 2023
Reporting date
Not listed
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144 File 000-19672

144 filing

Filing date
21 Jun 2023
Reporting date
Not listed
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144 File 000-19672

144 filing

Filing date
21 Jun 2023
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
20 Jun 2023
Reporting date
15 Jun 2023
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4

FORM 4 SUBMISSION

Filing date
20 Jun 2023
Reporting date
15 Jun 2023
SEC evidence
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SD File 000-19672

FORM SD

Filing date
31 May 2023
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
07 Apr 2023
Reporting date
05 Apr 2023
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4

FORM 4 SUBMISSION

Filing date
07 Apr 2023
Reporting date
05 Apr 2023
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4

FORM 4 SUBMISSION

Filing date
07 Apr 2023
Reporting date
05 Apr 2023
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
07 Apr 2023
Reporting date
05 Apr 2023
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4

FORM 4 SUBMISSION

Filing date
07 Apr 2023
Reporting date
05 Apr 2023
SEC evidence
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SC 13G File 005-41994

AMSC 13G

Filing date
14 Feb 2023
Reporting date
Not listed
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SC 13G/A File 005-41994

SEC SCHEDULE 13G

Filing date
08 Feb 2023
Reporting date
Not listed
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