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 1,322 SEC EDGAR filings since 29 Jul 1996

SEC filing history

Showing 126-150 of 858 matching filings.

Per page
25
Current page
6
4

4

Filing date
23 May 2024
Reporting date
21 May 2024
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144 File 000-19672

144 filing

Filing date
21 May 2024
Reporting date
Not listed
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144 File 000-19672

144 filing

Filing date
21 May 2024
Reporting date
Not listed
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4

4

Filing date
04 Apr 2024
Reporting date
03 Apr 2024
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4

4

Filing date
04 Apr 2024
Reporting date
03 Apr 2024
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4

4

Filing date
04 Apr 2024
Reporting date
03 Apr 2024
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4

4

Filing date
04 Apr 2024
Reporting date
03 Apr 2024
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4

4

Filing date
04 Apr 2024
Reporting date
03 Apr 2024
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EFFECT File 333-276766

EFFECT filing

Filing date
15 Mar 2024
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
13 Mar 2024
Reporting date
Not listed
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S-3/A File 333-276766

S-3/A

Filing date
08 Mar 2024
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
06 Mar 2024
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
05 Mar 2024
Reporting date
Not listed
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SC 13G/A File 005-41994

AMSC 13G/A

Filing date
14 Feb 2024
Reporting date
Not listed
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UPLOAD File 333-276766

UPLOAD filing

Filing date
05 Feb 2024
Reporting date
Not listed
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424B5 File 333-253611

424B5

Filing date
31 Jan 2024
Reporting date
Not listed
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424B5 File 333-253611

424B5

Filing date
30 Jan 2024
Reporting date
Not listed
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S-3 File 333-276766

S-3

Filing date
30 Jan 2024
Reporting date
Not listed
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SC 13G/A File 005-41994

SC 13G/A filing

Filing date
30 Jan 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-41994

SC 13G/A filing

Filing date
30 Jan 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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