AMERICAN SUPERCONDUCTOR CORP /DE/ — 10-K/A Filings
7 10-K/A filings on record
This page lists all 10-K/A 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 7 10-K/A 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 |
|---|---|---|---|---|
| 10-K/A | 10-K/A | 0001628280-18-007711 | Jun 7, 2018 | — |
| 10-K/A | AMENDMENT NO.2 TO FORM 10-K | 0001193125-12-283877 | Jun 26, 2012 | Mar 31, 2012 |
| 10-K/A | FORM 10-K/A | 0001193125-12-265280 | Jun 8, 2012 | Mar 31, 2012 |
| 10-K/A | FORM 10-K/A | 0001193125-03-025727 | Jul 29, 2003 | Mar 31, 2003 |
| 10-K/A | AMERICAN SUPERCONDUCTOR CORPORATION | 0000950135-97-002919 | Jul 3, 1997 | Mar 31, 1997 |
| 10-K/A | AMERICAN SUPERCONDUCTOR CORPORATION AMEND. NO. 2 | 0000950135-97-002510 | May 21, 1997 | Mar 31, 1996 |
| 10-K/A | AMERICAN SUPERCONDUCTOR CORPORATION | 0000950135-97-001127 | Mar 10, 1997 | Mar 31, 1996 |