AMERICAN SUPERCONDUCTOR CORP /DE/ — 144 Filings
20 144 filings on record
This page lists all 144 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 20 144 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 |
|---|---|---|---|---|
| 144 | — | 0001969223-25-000589 | Aug 8, 2025 | — |
| 144 | — | 0001950047-25-005417 | Aug 4, 2025 | — |
| 144 | — | 0001950047-25-005392 | Aug 4, 2025 | — |
| 144 | — | 0001950047-25-004129 | Jun 11, 2025 | — |
| 144 | — | 0001950047-25-004127 | Jun 11, 2025 | — |
| 144 | — | 0001950047-25-003943 | Jun 6, 2025 | — |
| 144 | — | 0001950047-25-003942 | Jun 6, 2025 | — |
| 144 | — | 0001950047-25-003445 | May 27, 2025 | — |
| 144 | — | 0001950047-25-003441 | May 27, 2025 | — |
| 144 | — | 0001950047-25-003240 | May 20, 2025 | — |
| 144 | — | 0001950047-25-003239 | May 20, 2025 | — |
| 144 | — | 0001972362-24-001482 | Nov 5, 2024 | — |
| 144 | — | 0001950047-24-004598 | Jun 11, 2024 | — |
| 144 | — | 0001950047-24-004595 | Jun 11, 2024 | — |
| 144 | — | 0001950047-24-003982 | May 21, 2024 | — |
| 144 | — | 0001950047-24-003981 | May 21, 2024 | — |
| 144 | — | 0001950047-23-001870 | Jun 22, 2023 | — |
| 144 | — | 0001950047-23-001869 | Jun 22, 2023 | — |
| 144 | — | 0001950047-23-001855 | Jun 21, 2023 | — |
| 144 | — | 0001950047-23-001852 | Jun 21, 2023 | — |