AMERICAN SUPERCONDUCTOR CORP /DE/ — 4 Filings
499 4 filings on record
This page lists all 4 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 499 4 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 |
|---|---|---|---|---|
| 4 | FORM 4 SUBMISSION | 0001209191-22-036335 | Jun 13, 2022 | Jun 10, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-036351 | Jun 13, 2022 | Jun 10, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-036360 | Jun 13, 2022 | Jun 10, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-033662 | Jun 2, 2022 | May 31, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-033666 | Jun 2, 2022 | May 31, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-023535 | Apr 6, 2022 | Apr 5, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-023530 | Apr 6, 2022 | Apr 5, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-023532 | Apr 6, 2022 | Apr 5, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-22-023528 | Apr 6, 2022 | Apr 5, 2022 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-069270 | Dec 13, 2021 | Dec 10, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-068824 | Dec 9, 2021 | Dec 8, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-062400 | Nov 2, 2021 | Nov 1, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-062404 | Nov 2, 2021 | Nov 1, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-050089 | Aug 6, 2021 | Aug 5, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-050087 | Aug 6, 2021 | Aug 5, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-045570 | Jul 6, 2021 | Jul 1, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-045578 | Jul 6, 2021 | Jul 1, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-035472 | May 24, 2021 | May 20, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-035469 | May 24, 2021 | May 20, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-025808 | Apr 7, 2021 | Apr 5, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-025805 | Apr 7, 2021 | Apr 5, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-025802 | Apr 7, 2021 | Apr 5, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-025803 | Apr 7, 2021 | Apr 5, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-21-004891 | Jan 22, 2021 | Jan 21, 2021 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-060763 | Nov 30, 2020 | Nov 25, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-056419 | Nov 2, 2020 | Oct 31, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-056421 | Nov 2, 2020 | Oct 31, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-043968 | Jul 29, 2020 | Jul 27, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-043970 | Jul 29, 2020 | Jul 27, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-039510 | Jun 30, 2020 | Jun 28, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-039507 | Jun 30, 2020 | Jun 28, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-034461 | Jun 4, 2020 | Jun 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-034474 | Jun 4, 2020 | Jun 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-032045 | May 26, 2020 | May 21, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-032025 | May 26, 2020 | May 21, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-023750 | Apr 7, 2020 | Apr 3, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-023749 | Apr 7, 2020 | Apr 3, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-023747 | Apr 7, 2020 | Apr 3, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-023748 | Apr 7, 2020 | Apr 3, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-061821 | Dec 23, 2019 | Dec 19, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-055700 | Nov 7, 2019 | Nov 5, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-055708 | Nov 7, 2019 | Nov 5, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-054966 | Nov 4, 2019 | Oct 31, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-054980 | Nov 4, 2019 | Oct 31, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-043711 | Jul 30, 2019 | Jul 27, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-043707 | Jul 30, 2019 | Jul 27, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-040283 | Jul 2, 2019 | Jun 28, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-040480 | Jul 2, 2019 | Jun 28, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-033254 | May 29, 2019 | May 24, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-032723 | May 24, 2019 | — |