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 1,322 SEC EDGAR filings since 29 Jul 1996

SEC filing history

Showing 676-700 of 858 matching filings.

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25
Current page
28
424B5 File 333-180733

PROSPECTUS SUPPLEMENT NO. 1

Filing date
26 Jun 2012
Reporting date
Not listed
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DEF 14A File 000-19672

DEF 14A

Filing date
26 Jun 2012
Reporting date
27 Jul 2012
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10-K/A File 000-19672

AMENDMENT NO.2 TO FORM 10-K

Filing date
26 Jun 2012
Reporting date
31 Mar 2012
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PRE 14A File 000-19672

PRELIMINARY PROXY STATEMENT

Filing date
14 Jun 2012
Reporting date
27 Jul 2012
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424B5 File 333-180733

FORM 424(B)(5)

Filing date
11 Jun 2012
Reporting date
Not listed
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EFFECT File 333-180733

EFFECT filing

Filing date
08 Jun 2012
Reporting date
Not listed
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10-K/A File 000-19672

FORM 10-K/A

Filing date
08 Jun 2012
Reporting date
31 Mar 2012
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POS AM File 333-180733

POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-1

Filing date
06 Jun 2012
Reporting date
Not listed
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8-K File 000-19672

FORM 8-K

Filing date
06 Jun 2012
Reporting date
05 Jun 2012
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4

FORM 4 SUBMISSION

Filing date
24 May 2012
Reporting date
23 May 2012
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4

FORM 4 SUBMISSION

Filing date
15 May 2012
Reporting date
12 May 2012
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4

FORM 4 SUBMISSION

Filing date
15 May 2012
Reporting date
11 May 2012
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4

FORM 4 SUBMISSION

Filing date
15 May 2012
Reporting date
14 May 2012
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424B5 File 333-180733

424B5

Filing date
11 May 2012
Reporting date
Not listed
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424B5 File 333-180733

424B5

Filing date
11 May 2012
Reporting date
Not listed
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4

FORM 4 SUBMISSION

Filing date
11 May 2012
Reporting date
09 May 2012
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4

FORM 4 SUBMISSION

Filing date
10 May 2012
Reporting date
09 May 2012
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4

FORM 4 SUBMISSION

Filing date
10 May 2012
Reporting date
09 May 2012
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4

FORM 4 SUBMISSION

Filing date
10 May 2012
Reporting date
09 May 2012
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4

FORM 4 SUBMISSION

Filing date
10 May 2012
Reporting date
09 May 2012
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3

FORM 3 SUBMISSION

Filing date
10 May 2012
Reporting date
09 May 2012
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8-K File 000-19672

FORM 8-K

Filing date
09 May 2012
Reporting date
09 May 2012
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EFFECT File 333-180733

EFFECT filing

Filing date
26 Apr 2012
Reporting date
Not listed
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8-K File 000-19672

FORM 8-K

Filing date
20 Apr 2012
Reporting date
20 Apr 2012
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