| AMSC 0000880807 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2022-08-10 | S-8 | S-8 | View Document |
| 2022-08-05 | 8-K | 8-K | View Document |
| 2022-08-03 | 10-Q | FORM 10-Q | View Document |
| 2022-08-03 | 8-K | FORM 8-K | View Document |
| 2022-07-26 | DEFA14A | DEFA14A | View Document |
| 2022-07-08 | SC 13G | View Document | |
| 2022-06-23 | DEFA14A | DEFA14A | View Document |
| 2022-06-23 | DEF 14A | DEF 14A | View Document |
| 2022-06-14 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-06-14 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-06-13 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-06-13 | 3 | FORM 3 SUBMISSION | View Document |
| 2022-06-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-06-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-06-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-06-10 | 8-K | FORM 8-K | View Document |
| 2022-06-02 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-06-02 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-06-01 | 10-K | FORM 10-K | View Document |
| 2022-06-01 | 8-K | FORM 8-K | View Document |
| 2022-05-23 | SD | FORM SD | View Document |
| 2022-04-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-04-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-04-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-04-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-02-14 | SC 13G | SC 13G | View Document |
| 2022-02-09 | SC 13G/A | SEC SCHEDULE 13G | View Document |
| 2022-02-02 | 10-Q | FORM 10-Q | View Document |
| 2022-02-02 | 8-K | FORM 8-K | View Document |
| 2022-02-01 | SC 13G/A | View Document | |
| 2022-01-18 | SC 13G | View Document | |
| 2021-12-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-12-09 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-11-08 | 10-Q | FORM 10-Q | View Document |
| 2021-11-08 | 8-K | FORM 8-K | View Document |
| 2021-11-02 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-11-02 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-08-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-08-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-08-04 | 10-Q | FORM 10-Q | View Document |
| 2021-08-04 | 8-K | FORM 8-K | View Document |
| 2021-08-02 | 8-K | 8-K | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-07-06 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-06-21 | EFFECT | View Document | |
| 2021-06-17 | DEFA14A | DEFA14A | View Document |
| 2021-06-17 | DEF 14A | DEF 14A | View Document |
| 2021-06-02 | POS AM | POS AM | View Document |
| 2021-06-02 | 10-K | FORM 10-K | View Document |
| 2021-06-02 | 8-K | FORM 8-K | View Document |
| 2021-06-02 | POSASR | POSASR | View Document |
| 2021-05-27 | SD | FORM SD | View Document |
| 2021-05-25 | 8-K | FORM 8-K | View Document |
| 2021-05-24 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-05-24 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-05-21 | 8-K | FORM 8-K | View Document |
| 2021-05-21 | 424B7 | 424B7 | View Document |
| 2021-05-10 | 8-K | 8-K | View Document |
| 2021-04-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-04-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-04-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-04-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-02-26 | S-3ASR | S-3ASR | View Document |
| 2021-02-26 | 8-K | 8-K | View Document |
| 2021-02-16 | SC 13G | SEC SCHEDULE 13G | View Document |
| 2021-02-10 | SC 13G/A | View Document | |
| 2021-02-03 | 10-Q | FORM 10-Q | View Document |
| 2021-02-03 | 8-K | FORM 8-K | View Document |
| 2021-02-01 | 8-K | FORM 8-K | View Document |
| 2021-01-29 | SC 13G/A | View Document | |
| 2021-01-22 | 4 | FORM 4 SUBMISSION | View Document |
| 2021-01-08 | SC 13G/A | AMERICAN SUPERCONDUCTOR 13G/A | View Document |
| 2020-12-14 | 8-K/A | FORM 8-K/A | View Document |
| 2020-11-30 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-11-04 | 10-Q | FORM 10-Q | View Document |
| 2020-11-04 | 8-K | FORM 8-K | View Document |
| 2020-11-02 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-11-02 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-10-26 | 8-K | 8-K | View Document |
| 2020-10-23 | 424B5 | 424B5 | View Document |
| 2020-10-21 | 424B5 | 424B5 | View Document |
| 2020-10-05 | 8-K | FORM 8-K | View Document |
| 2020-10-05 | 8-K | FORM 8-K | View Document |
| 2020-10-02 | 8-K | FORM 8-K | View Document |
| 2020-09-16 | 8-K | FORM 8-K | View Document |
| 2020-08-05 | 10-Q | FORM 10-Q | View Document |
| 2020-08-05 | 8-K | FORM 8-K | View Document |
| 2020-07-29 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-07-29 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-06-30 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-06-30 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-06-19 | DEFA14A | DEFA14A | View Document |
| 2020-06-19 | DEF 14A | DEF 14A | View Document |
| 2020-06-19 | SC 13G/A | SC 13G/A | View Document |
| 2020-06-04 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-06-04 | 4 | FORM 4 SUBMISSION | View Document |
| 2020-06-02 | 10-K | FORM 10-K | View Document |
| 2020-06-02 | 8-K | FORM 8-K | View Document |
| 2020-05-27 | 8-K | FORM 8-K | View Document |
| 2020-05-26 | 4 | FORM 4 SUBMISSION | View Document |
