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SC 13D/A

Beneficial Ownership Report

AMERICAN SUPERCONDUCTOR CORP /DE/ Filed 2013-02-14 Acc 0001193125-13-060197

Documents 1

SC 13D/A Beneficial Ownership Report , d485534dsc13da.htm

Around this filing

2015-05-05 SC 13D/A Beneficial Ownership Report
2013-02-14 SC 13D/A Beneficial Ownership Report
2013-02-14 8-K Material agreement
2013-02-13 4 10% owner bought 752,146 shares at an average $3.11 ($2,342,853)
2013-02-13 SC 13G/A Amended Statement of Ownership
2013-02-11 10-Q Quarterly Report
2012-02-01 SC 13D/A Beneficial Ownership Report

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