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 176-200 of 857 matching filings.

Per page
25
Current page
8
SC 13G File 005-41994

SC 13G filing

Filing date
31 Jan 2023
Reporting date
Not listed
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SC 13G/A File 005-41994

SC 13G/A filing

Filing date
19 Jan 2023
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
19 Dec 2022
Reporting date
16 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
19 Dec 2022
Reporting date
16 Dec 2022
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4

FORM 4 SUBMISSION

Filing date
13 Dec 2022
Reporting date
12 Dec 2022
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S-8 POS File 333-233531

S-8 POS

Filing date
17 Nov 2022
Reporting date
Not listed
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S-8 POS File 333-213850

S-8 POS

Filing date
17 Nov 2022
Reporting date
Not listed
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S-8 POS File 333-197971

S-8 POS

Filing date
17 Nov 2022
Reporting date
Not listed
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S-8 POS File 333-183075

S-8 POS

Filing date
17 Nov 2022
Reporting date
Not listed
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S-8 POS File 333-170286

S-8 POS

Filing date
17 Nov 2022
Reporting date
Not listed
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S-8 POS File 333-145685

S-8 POS

Filing date
17 Nov 2022
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
02 Nov 2022
Reporting date
31 Oct 2022
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4

FORM 4 SUBMISSION

Filing date
21 Oct 2022
Reporting date
19 Oct 2022
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S-8 File 333-266728

S-8

Filing date
10 Aug 2022
Reporting date
Not listed
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S-8 File 333-266727

S-8

Filing date
10 Aug 2022
Reporting date
Not listed
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DEFA14A File 000-19672

DEFA14A

Filing date
26 Jul 2022
Reporting date
Not listed
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SC 13G File 005-41994

SC 13G filing

Filing date
08 Jul 2022
Reporting date
Not listed
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DEFA14A File 000-19672

DEFA14A

Filing date
23 Jun 2022
Reporting date
Not listed
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