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 1,308 SEC EDGAR filings since 29 Jul 1996

SEC filing history

Showing 51-75 of 844 matching filings.

Per page
25
Current page
3
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4

Filing date
09 Jun 2025
Reporting date
06 Jun 2025
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144 File 000-19672

144 filing

Filing date
06 Jun 2025
Reporting date
Not listed
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144 File 000-19672

144 filing

Filing date
06 Jun 2025
Reporting date
Not listed
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4

4

Filing date
29 May 2025
Reporting date
27 May 2025
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4

4

Filing date
29 May 2025
Reporting date
27 May 2025
SEC evidence
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4

4

Filing date
29 May 2025
Reporting date
27 May 2025
SEC evidence
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3

3

Filing date
29 May 2025
Reporting date
27 May 2025
SEC evidence
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144 File 000-19672

144 filing

Filing date
27 May 2025
Reporting date
Not listed
SEC evidence
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144 File 000-19672

144 filing

Filing date
27 May 2025
Reporting date
Not listed
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4

4

Filing date
22 May 2025
Reporting date
20 May 2025
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4

4

Filing date
22 May 2025
Reporting date
20 May 2025
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SD File 000-19672

FORM SD

Filing date
21 May 2025
Reporting date
Not listed
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144 File 000-19672

144 filing

Filing date
20 May 2025
Reporting date
Not listed
SEC evidence
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144 File 000-19672

144 filing

Filing date
20 May 2025
Reporting date
Not listed
SEC evidence
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4

4

Filing date
19 May 2025
Reporting date
15 May 2025
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4

4

Filing date
19 May 2025
Reporting date
15 May 2025
SEC evidence
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SCHEDULE 13G/A File 005-41994

SCHEDULE 13G/A filing

Filing date
17 Apr 2025
Reporting date
Not listed
SEC evidence
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4

4

Filing date
04 Apr 2025
Reporting date
03 Apr 2025
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4

4

Filing date
04 Apr 2025
Reporting date
03 Apr 2025
SEC evidence
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4

4

Filing date
04 Apr 2025
Reporting date
03 Apr 2025
SEC evidence
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4

4

Filing date
04 Apr 2025
Reporting date
03 Apr 2025
SEC evidence
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4

4

Filing date
04 Apr 2025
Reporting date
03 Apr 2025
SEC evidence
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SCHEDULE 13G/A File 005-41994

SCHEDULE 13G/A filing

Filing date
12 Feb 2025
Reporting date
Not listed
SEC evidence
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