AMERICAN SUPERCONDUCTOR CORP /DE/ reports

Company location: Devens, MA
Fiscal year end: 31 March

AMERICAN SUPERCONDUCTOR CORP /DE/ has filed 1,326 SEC EDGAR filings since 29 Jul 1996

Filter by type:
10-K
10-Q
8-K
SC13D
SC13G

SEC filing history

Showing 651-675 of 862 matching filings.

Per page

25

Current page

27

4

MAIN DOCUMENT DESCRIPTION

Filing date: 26 Nov 2012
Reporting date: 21 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-184780

EFFECT filing

Filing date: 16 Nov 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-3 File 333-184780

FORM S-3

Filing date: 06 Nov 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-19672

FORM 10-Q

Filing date: 06 Nov 2012
Reporting date: 30 Sep 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-19672

FORM 8-K

Filing date: 06 Nov 2012
Reporting date: 06 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 26 Oct 2012
Reporting date: 25 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 26 Oct 2012
Reporting date: 25 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 26 Oct 2012
Reporting date: 25 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 26 Oct 2012
Reporting date: 25 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 26 Oct 2012
Reporting date: 25 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 26 Oct 2012
Reporting date: 25 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-184218

EFFECT filing

Filing date: 18 Oct 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

EFFECT File 333-180733

EFFECT filing

Filing date: 18 Oct 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

POS AM File 333-180733

POST-EFFECTIVE AMENDMENT NO. 2 TO FORM S-1

Filing date: 16 Oct 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-3 File 333-184218

FORM S-3

Filing date: 01 Oct 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

S-8 File 333-183075

S-8

Filing date: 03 Aug 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

424B3 File 333-180733

PROSPECTUS SUPPLEMENT

Filing date: 03 Aug 2012
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Aug 2012
Reporting date: 01 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Aug 2012
Reporting date: 01 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Aug 2012
Reporting date: 01 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Aug 2012
Reporting date: 01 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Aug 2012
Reporting date: 01 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 03 Aug 2012
Reporting date: 01 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 000-19672

FORM 10-Q

Filing date: 03 Aug 2012
Reporting date: 30 Jun 2012
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 000-19672

FORM 8-K

Filing date: 02 Aug 2012
Reporting date: 02 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .