AMERICAN SUPERCONDUCTOR CORP /DE/ — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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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 | 0001209191-20-043968 | 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 |
| SC 13G/A | SC 13G/A | 0001193125-20-174006 | Jun 19, 2020 | — |
| DEF 14A | DEF 14A | 0001193125-20-174030 | Jun 19, 2020 | Jul 31, 2020 |
| DEFA14A | DEFA14A | 0001193125-20-174036 | Jun 19, 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 |
| 8-K | FORM 8-K | 0001437749-20-012274 | Jun 2, 2020 | — |
| 10-K | FORM 10-K | 0001437749-20-012276 | Jun 2, 2020 | Mar 31, 2020 |
| 8-K | FORM 8-K | 0001437749-20-011837 | May 27, 2020 | May 21, 2020 |
| SD | FORM SD | 0001437749-20-011739 | May 26, 2020 | — |
| 4 | FORM 4 SUBMISSION | 0001209191-20-032025 | May 26, 2020 | May 21, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-032045 | May 26, 2020 | May 21, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-023750 | Apr 7, 2020 | Apr 3, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-023747 | Apr 7, 2020 | Apr 3, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-023748 | Apr 7, 2020 | Apr 3, 2020 |
| 4 | FORM 4 SUBMISSION | 0001209191-20-023749 | Apr 7, 2020 | Apr 3, 2020 |
| SC 13G/A | SC 13G/A | 0001193125-20-033720 | Feb 13, 2020 | — |
| SC 13G | — | 0001037389-20-000006 | Feb 12, 2020 | — |
| SC 13G/A | AMERICAN SUPERCONDUCTOR 13G/A | 0001535264-20-000013 | Feb 12, 2020 | — |
| SC 13G | — | 0000834237-20-008226 | Feb 7, 2020 | — |
| 10-Q | FORM 10-Q | 0001437749-20-001789 | Feb 5, 2020 | Dec 31, 2019 |
| 8-K | FORM 8-K | 0001437749-20-001788 | Feb 5, 2020 | — |
| SC 13G/A | — | 0001319244-20-000033 | Feb 4, 2020 | — |
| SC 13G | SC 13G | 0001193125-20-015377 | Jan 27, 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 |
| 10-Q | FORM 10-Q | 0001437749-19-021592 | Nov 5, 2019 | Sep 30, 2019 |
| 8-K | FORM 8-K | 0001437749-19-021590 | 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 |
| S-8 | S-8 | 0001193125-19-234127 | Aug 29, 2019 | — |
| 8-K | FORM 8-K | 0001437749-19-015631 | Aug 6, 2019 | — |
| 10-Q | FORM 10-Q | 0001437749-19-015632 | Aug 6, 2019 | Jun 30, 2019 |
| 8-K | 8-K | 0001193125-19-214189 | Aug 6, 2019 | Aug 1, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-043707 | Jul 30, 2019 | Jul 27, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-043711 | Jul 30, 2019 | Jul 27, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-040480 | Jul 2, 2019 | Jun 28, 2019 |
| 4 | FORM 4 SUBMISSION | 0001209191-19-040283 | Jul 2, 2019 | Jun 28, 2019 |
| SC 13G | — | 0001319244-19-000055 | Jun 24, 2019 | — |
| DEF 14A | DEF 14A | 0001193125-19-177535 | Jun 20, 2019 | Aug 1, 2019 |
| DEFA14A | DEFA14A | 0001193125-19-177543 | Jun 20, 2019 | — |
| 8-K | FORM 8-K | 0001437749-19-011476 | Jun 5, 2019 | Jun 1, 2019 |
| 10-K | FORM 10-K | 0001437749-19-011477 | Jun 5, 2019 | Mar 31, 2019 |
| CT ORDER | — | 9999999997-19-005280 | May 30, 2019 | — |
| SD | FORM SD | 0001437749-19-011068 | May 30, 2019 | — |
| 4 | FORM 4 SUBMISSION | 0001209191-19-033254 | May 29, 2019 | May 24, 2019 |