AMERICAN SUPERCONDUCTOR CORP /DE/ — 8-K Filings
248 8-K filings on record
This page lists all 8-K 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 248 8-K 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 |
|---|---|---|---|---|
| 8-K | 8-K | 0001193125-15-143608 | Apr 23, 2015 | — |
| 8-K | 8-K | 0001193125-15-126160 | Apr 10, 2015 | Apr 9, 2015 |
| 8-K | FORM 8-K | 0001193125-15-103436 | Mar 24, 2015 | — |
| 8-K | FORM 8-K | 0001193125-15-097034 | Mar 18, 2015 | — |
| 8-K | 8-K | 0001193125-15-034499 | Feb 5, 2015 | — |
| 8-K | 8-K | 0001193125-15-024629 | Jan 29, 2015 | — |
| 8-K | FORM 8-K | 0001193125-15-016287 | Jan 21, 2015 | Jan 14, 2015 |
| 8-K | 8-K | 0001193125-15-002902 | Jan 6, 2015 | Dec 31, 2014 |
| 8-K | 8-K | 0001193125-14-450591 | Dec 22, 2014 | Dec 19, 2014 |
| 8-K | FORM 8-K | 0001193125-14-410207 | Nov 13, 2014 | Nov 7, 2014 |
| 8-K | FORM 8-K | 0001193125-14-402383 | Nov 7, 2014 | — |
| 8-K | FORM 8-K | 0001193125-14-399779 | Nov 6, 2014 | — |
| 8-K | FORM 8-K | 0001193125-14-360072 | Oct 1, 2014 | — |
| 8-K | FORM 8-K | 0001193125-14-331411 | Sep 4, 2014 | Aug 29, 2014 |
| 8-K | 8-K | 0001193125-14-317133 | Aug 21, 2014 | Aug 15, 2014 |
| 8-K | FORM 8-K | 0001193125-14-298306 | Aug 6, 2014 | Jul 31, 2014 |
| 8-K | 8-K | 0001193125-14-294647 | Aug 5, 2014 | — |
| 8-K | FORM 8-K | 0001193125-14-269902 | Jul 16, 2014 | — |
| 8-K | FORM 8-K | 0001193125-14-244592 | Jun 23, 2014 | Jun 18, 2014 |
| 8-K | FORM 8-K | 0001193125-14-226459 | Jun 5, 2014 | — |
| 8-K | FORM 8-K | 0001193125-14-226457 | Jun 5, 2014 | Jun 2, 2014 |
| 8-K | FORM 8-K | 0001193125-14-106558 | Mar 19, 2014 | Mar 14, 2014 |
| 8-K | 8-K | 0001193125-14-078917 | Mar 3, 2014 | Mar 2, 2014 |
| 8-K | 8-K | 0001193125-14-077480 | Feb 28, 2014 | — |
| 8-K | FORM 8-K | 0001193125-14-037960 | Feb 6, 2014 | Feb 4, 2014 |
| 8-K | FORM 8-K | 0001193125-13-447829 | Nov 20, 2013 | Nov 19, 2013 |
| 8-K | FORM 8-K | 0001193125-13-444697 | Nov 18, 2013 | Nov 15, 2013 |
| 8-K | FORM 8-K | 0001193125-13-431705 | Nov 7, 2013 | — |
| 8-K | FORM 8-K | 0001193125-13-395362 | Oct 9, 2013 | — |
| 8-K | FORM 8-K | 0001193125-13-378481 | Sep 25, 2013 | Sep 20, 2013 |
| 8-K | FORM 8-K | 0001193125-13-341566 | Aug 21, 2013 | Aug 15, 2013 |
| 8-K | FORM 8-K | 0001193125-13-323082 | Aug 7, 2013 | — |
| 8-K | FORM 8-K | 0001193125-13-317278 | Aug 2, 2013 | Jul 31, 2013 |
| 8-K | FORM 8-K | 0001193125-13-258758 | Jun 14, 2013 | — |
| 8-K | FORM 8-K | 0001193125-13-136714 | Apr 1, 2013 | — |
| 8-K | FORM 8-K | 0001193125-13-067218 | Feb 20, 2013 | Feb 14, 2013 |
| 8-K | FORM 8-K | 0001193125-13-060131 | Feb 14, 2013 | Feb 8, 2013 |
| 8-K | FORM 8-K | 0001193125-13-048784 | Feb 11, 2013 | — |
| 8-K | FORM 8-K | 0001193125-13-006861 | Jan 8, 2013 | Jan 2, 2013 |
| 8-K | FORM 8-K | 0001193125-12-511592 | Dec 21, 2012 | Dec 20, 2012 |
| 8-K | FORM 8-K | 0001193125-12-483317 | Nov 28, 2012 | Nov 27, 2012 |
| 8-K | FORM 8-K | 0001193125-12-453359 | Nov 6, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-330534 | Aug 2, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-318790 | Jul 27, 2012 | Jul 26, 2012 |
| 8-K | FORM 8-K | 0001193125-12-261030 | Jun 6, 2012 | Jun 5, 2012 |
| 8-K | FORM 8-K | 0001193125-12-222210 | May 9, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-172045 | Apr 20, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-162694 | Apr 13, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-149102 | Apr 4, 2012 | — |
| 8-K | FORM 8-K | 0001193125-12-048009 | Feb 9, 2012 | — |