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 1,326 SEC EDGAR filings since 29 Jul 1996

SEC filing history

Showing 101-125 of 862 matching filings.

Per page
25
Current page
5
SC 13G File 005-41994

SC 13G filing

Filing date
04 Nov 2024
Reporting date
Not listed
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SCHEDULE 13G/A File 005-41994

SCHEDULE 13G/A filing

Filing date
04 Nov 2024
Reporting date
Not listed
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SC 13G File 005-41994

SC 13G filing

Filing date
22 Oct 2024
Reporting date
Not listed
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4

4

Filing date
01 Oct 2024
Reporting date
30 Sep 2024
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4

4

Filing date
30 Sep 2024
Reporting date
26 Sep 2024
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S-8 File 333-281826

S-8

Filing date
28 Aug 2024
Reporting date
Not listed
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424B7 File 333-281496

424B7

Filing date
12 Aug 2024
Reporting date
Not listed
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S-3ASR File 333-281496

S-3ASR

Filing date
12 Aug 2024
Reporting date
Not listed
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SC 13G/A File 005-41994

AMSC 13G/A

Filing date
09 Aug 2024
Reporting date
Not listed
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8-K/A File 000-19672

FORM 8-K/A

Filing date
06 Aug 2024
Reporting date
01 Aug 2024
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ARS File 000-19672

ARS

Filing date
20 Jun 2024
Reporting date
31 Mar 2024
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DEFA14A File 000-19672

DEFA14A

Filing date
20 Jun 2024
Reporting date
Not listed
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DEF 14A File 000-19672

DEF 14A

Filing date
20 Jun 2024
Reporting date
02 Aug 2024
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4

4

Filing date
12 Jun 2024
Reporting date
11 Jun 2024
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4

4

Filing date
12 Jun 2024
Reporting date
11 Jun 2024
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144 File 000-19672

144 filing

Filing date
11 Jun 2024
Reporting date
Not listed
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144 File 000-19672

144 filing

Filing date
11 Jun 2024
Reporting date
Not listed
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PRE 14A File 000-19672

PRE 14A

Filing date
10 Jun 2024
Reporting date
02 Aug 2024
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