AMERICAN SUPERCONDUCTOR CORP /DE/ — DEF 14A

AMERICAN SUPERCONDUCTOR CORP /DE/ of DEVENS, MA filed a DEF 14A with the SEC on 2022-06-23. Industry: Motors & Generators.

Filing

Documents (4)

SeqTypeDescription
1DEF 14ADEF 14A
2GRAPHICGRAPHIC
3GRAPHICGRAPHIC
4GRAPHICGRAPHIC

Filing timeline for this registrant (58)

Showing 12 of 58 filings.

FiledForm
2026-06-18DEFA14A
2026-06-18DEF 14A
2025-06-13DEFA14A
2025-06-13DEF 14A
2024-06-20DEFA14A
2024-06-20DEF 14A
2024-06-10PRE 14A
2023-06-28DEFA14A
2023-06-28DEF 14A
2022-07-26DEFA14A
2022-06-23DEFA14A
2022-06-23DEF 14A

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