AMERICAN SUPERCONDUCTOR CORP /DE/ — 424B1 Filings
5 424B1 filings on record
This page lists all 424B1 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 5 424B1 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 |
|---|---|---|---|---|
| 424B1 | 424(B)(1) | 0001193125-07-158541 | Jul 20, 2007 | — |
| 424B1 | PROSPECTUS | 0001193125-05-035526 | Feb 24, 2005 | — |
| 424B1 | FORM 424B (1) | 0000927016-00-002937 | Aug 14, 2000 | — |
| 424B1 | FORM 424B1 | 0000927016-00-000721 | Mar 1, 2000 | — |
| 424B1 | AMERICAN SUPERCONDUCTOR | 0000950135-98-002504 | Apr 17, 1998 | — |