AMERICAN SUPERCONDUCTOR CORP /DE/ of DEVENS, MA filed a DEFA14A with the SEC on 2023-06-28. Industry: Motors & Generators.
| Seq | Type | Description |
|---|---|---|
| 1 | DEFA14A | DEFA14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |
| 7 | GRAPHIC | GRAPHIC |
| 8 | GRAPHIC | GRAPHIC |
Showing 12 of 58 filings.
| Filed | Form |
|---|---|
| 2026-06-18 | DEFA14A |
| 2026-06-18 | DEF 14A |
| 2025-06-13 | DEFA14A |
| 2025-06-13 | DEF 14A |
| 2024-06-20 | DEFA14A |
| 2024-06-20 | DEF 14A |
| 2024-06-10 | PRE 14A |
| 2023-06-28 | DEFA14A |
| 2023-06-28 | DEF 14A |
| 2022-07-26 | DEFA14A |
| 2022-06-23 | DEFA14A |
| 2022-06-23 | DEF 14A |