FILINGS
| AMSC 0000880807 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2024-01-30 | SC 13G/A | View Document | |
| 2024-01-24 | 10-Q | FORM 10-Q | View Document |
| 2024-01-24 | 8-K | FORM 8-K | View Document |
| 2023-11-01 | 10-Q | FORM 10-Q | View Document |
| 2023-11-01 | 8-K | FORM 8-K | View Document |
| 2023-08-11 | 8-K | FORM 8-K | View Document |
| 2023-08-09 | 10-Q | FORM 10-Q | View Document |
| 2023-08-09 | 8-K | FORM 8-K | View Document |
| 2023-07-05 | SC 13G/A | View Document | |
| 2023-06-28 | ARS | ARS | View Document |
| 2023-06-28 | DEFA14A | DEFA14A | View Document |
| 2023-06-28 | DEF 14A | DEF 14A | View Document |
| 2023-06-23 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-06-23 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-06-22 | 144 | View Document | |
| 2023-06-22 | 144 | View Document | |
| 2023-06-21 | 144 | View Document | |
| 2023-06-21 | 144 | View Document | |
| 2023-06-21 | 8-K | 8-K | View Document |
| 2023-06-20 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-06-20 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-05-31 | 10-K | FORM 10-K | View Document |
| 2023-05-31 | 8-K | FORM 8-K | View Document |
| 2023-05-31 | SD | FORM SD | View Document |
| 2023-04-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-04-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-04-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-04-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-04-07 | 4 | FORM 4 SUBMISSION | View Document |
| 2023-02-14 | SC 13G | AMSC 13G | View Document |
| 2023-02-08 | SC 13G/A | SEC SCHEDULE 13G | View Document |
| 2023-02-01 | 10-Q | FORM 10-Q | View Document |
| 2023-02-01 | 8-K | FORM 8-K | View Document |
| 2023-01-31 | SC 13G | View Document | |
| 2023-01-19 | SC 13G/A | View Document | |
| 2022-12-19 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-12-19 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-12-13 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-11-17 | S-8 POS | S-8 POS | View Document |
| 2022-11-17 | S-8 POS | S-8 POS | View Document |
| 2022-11-17 | S-8 POS | S-8 POS | View Document |
| 2022-11-17 | S-8 POS | S-8 POS | View Document |
| 2022-11-17 | S-8 POS | S-8 POS | View Document |
| 2022-11-17 | S-8 POS | S-8 POS | View Document |
| 2022-11-02 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-11-01 | 10-Q | FORM 10-Q | View Document |
| 2022-11-01 | 8-K | FORM 8-K | View Document |
| 2022-10-21 | 4 | FORM 4 SUBMISSION | View Document |
| 2022-08-10 | S-8 | S-8 | View 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 |
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