AMERICAN SUPERCONDUCTOR CORP /DE/ — 4 Filings
499 4 filings on record
This page lists all 4 filings submitted to the SEC by AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC), sorted by most recent first. Each row links to the full filing on EdgarLookup. AMERICAN SUPERCONDUCTOR CORP /DE/ has filed 499 4 documents with the SEC since 2007. To view all SEC filings by AMERICAN SUPERCONDUCTOR CORP /DE/, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B2
424B3
424B4
424B5
424B7
5
8-A12G
8-A12G/A
8-K
8-K/A
ARS
CORRESP
CT ORDER
D
DEF 14A
DEFA14A
DEFR14A
EFFECT
FWP
NT 10-K
NT 10-Q
POS AM
POSASR
PRE 14A
S-1
S-3
S-3/A
S-3ASR
S-3MEF
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | FORM 4 SUBMISSION | 0001209191-11-029016 | May 17, 2011 | May 16, 2011 |
| 4 | FORM 4 SUBMISSION | 0001209191-11-028699 | May 16, 2011 | May 15, 2011 |
| 4 | FORM 4 SUBMISSION | 0001209191-11-028696 | May 16, 2011 | May 12, 2011 |
| 4 | FORM 4 SUBMISSION | 0001209191-11-028693 | May 16, 2011 | May 13, 2011 |
| 4 | FORM 4 SUBMISSION | 0001209191-11-028690 | May 16, 2011 | May 15, 2011 |
| 4 | FORM 4 SUBMISSION | 0001209191-11-028701 | May 16, 2011 | May 15, 2011 |
| 4 | FORM 4 | 0001140361-11-021169 | Apr 6, 2011 | Apr 4, 2011 |
| 4 | FORM 4 | 0001140361-11-018522 | Mar 24, 2011 | Mar 22, 2011 |
| 4 | FORM 4 | 0001140361-11-017949 | Mar 21, 2011 | Mar 17, 2011 |
| 4 | FORM 4 | 0001140361-11-017047 | Mar 16, 2011 | Mar 14, 2011 |
| 4 | FORM 4 SUBMISSION | 0001209191-11-018065 | Mar 15, 2011 | Mar 11, 2011 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-11-004336 | Jan 20, 2011 | Jan 18, 2011 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-061925 | Dec 21, 2010 | Dec 17, 2010 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-054565 | Nov 12, 2010 | Nov 11, 2010 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-053443 | Nov 5, 2010 | Nov 3, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-050289 | Oct 13, 2010 | Oct 11, 2010 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-049924 | Oct 12, 2010 | Oct 7, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-049865 | Oct 8, 2010 | Oct 6, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-049839 | Oct 8, 2010 | Oct 6, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-046443 | Sep 16, 2010 | Sep 15, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-045746 | Sep 10, 2010 | Sep 9, 2010 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-043437 | Aug 19, 2010 | Aug 17, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-042569 | Aug 13, 2010 | Aug 11, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-042568 | Aug 13, 2010 | Aug 11, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-042567 | Aug 13, 2010 | Aug 11, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-042565 | Aug 13, 2010 | Aug 11, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-042564 | Aug 13, 2010 | Aug 11, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-042563 | Aug 13, 2010 | Aug 11, 2010 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-039776 | Jul 27, 2010 | Jul 23, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-038278 | Jul 13, 2010 | Jul 12, 2010 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-030742 | May 27, 2010 | May 25, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-027995 | May 14, 2010 | May 12, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-027976 | May 14, 2010 | May 12, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-027973 | May 14, 2010 | May 12, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-027971 | May 14, 2010 | May 12, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-027968 | May 14, 2010 | May 13, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-027967 | May 14, 2010 | May 12, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-027965 | May 14, 2010 | May 12, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-027964 | May 14, 2010 | May 12, 2010 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-020900 | Apr 5, 2010 | Apr 1, 2010 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-018445 | Mar 23, 2010 | Mar 19, 2010 |
| 4 | MAIN DOCUMENT DESCRIPTION | 0001209191-10-017921 | Mar 18, 2010 | Mar 16, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-007577 | Feb 8, 2010 | — |
| 4 | FORM 4 SUBMISSION | 0001209191-10-007575 | Feb 8, 2010 | Feb 5, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-007574 | Feb 8, 2010 | Feb 5, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-007573 | Feb 8, 2010 | Feb 5, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-007572 | Feb 8, 2010 | Feb 4, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-002344 | Jan 7, 2010 | Jan 5, 2010 |
| 4 | FORM 4 SUBMISSION | 0001209191-10-000354 | Jan 4, 2010 | Dec 30, 2009 |
| 4 | FORM 4 SUBMISSION | 0001209191-09-057938 | Dec 18, 2009 | Dec 17, 2009 |