Cite Filings / AMSC / 0001437749-21-013956

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10-K

Annual Report

AMERICAN SUPERCONDUCTOR CORP /DE/ Filed 2021-06-02 Acc 0001437749-21-013956

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10-K Annual Report , amsc20210331_10k.htm

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2022-06-01 10-K Annual Report
2021-06-02 10-K Annual Report
2021-06-02 8-K Results of operations
2021-06-02 POS AM Post-effective Amendment for Registration Statement
2021-06-02 POSASR POSASR
2021-05-27 SD Specialized Disclosure
2020-06-02 10-K Annual Report

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