AMERICAN SUPERCONDUCTOR CORP /DE/ — S-3/A Filings
12 S-3/A filings on record
This page lists all S-3/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 12 S-3/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 |
|---|---|---|---|---|
| S-3/A | S-3/A | 0001193125-24-063702 | Mar 8, 2024 | — |
| S-3/A | AMENDMENT NO.1 TO FORM S-3 | 0001193125-07-188980 | Aug 24, 2007 | — |
| S-3/A | AMENDMENT #2 | 0001193125-07-158004 | Jul 19, 2007 | — |
| S-3/A | AMENDMENT #1 | 0001193125-07-151977 | Jul 10, 2007 | — |
| S-3/A | AMENDMENT NO. 2 TO FORM S-3 | 0001193125-05-034074 | Feb 22, 2005 | — |
| S-3/A | AMENDMENT NO. 1 TO FORM S-3 | 0001193125-05-018585 | Feb 3, 2005 | — |
| S-3/A | FORM S-3/A | 0001193125-03-055439 | Sep 29, 2003 | — |
| S-3/A | AMENDMENT NO.1 TO FORM S-3 | 0001193125-03-049226 | Sep 15, 2003 | — |
| S-3/A | AMENDMENT NO. 2 TO FORM S-3 | 0000927016-00-000701 | Feb 29, 2000 | — |
| S-3/A | AMENDMENT #1 TO FORM S-3 | 0000927016-00-000285 | Feb 3, 2000 | — |
| S-3/A | AMERICAN SUPERCONDUCTOR CORPORATION | 0000950135-98-002385 | Apr 14, 1998 | — |
| S-3/A | AMERICAN SUPERCONDUCTOR | 0000950135-97-004492 | Nov 12, 1997 | — |