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SC 13G/A

Amended Statement of Ownership

AMERICAN SUPERCONDUCTOR CORP /DE/ Filed 2020-02-04 Acc 0001319244-20-000033

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SC 13G/A Amended Statement of Ownership , AMSC_SC13GA1.htm

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2020-02-12 SC 13G/A Amended Statement of Ownership
2020-02-07 SC 13G Amended Statement of Ownership
2020-02-05 10-Q Quarterly Report
2020-02-05 8-K Results of operations
2020-02-04 SC 13G/A Amended Statement of Ownership
2019-02-13 SC 13G/A Amended Statement of Ownership

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