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American Superconductor Corporation

AMSC ·Technology, Electrical Equipment & Parts, United States
Financial Statements › SEC Filings

SEC Filings

Form Filed Description
10-Q Feb 2, 2022 FORM 10-Q
8-K Feb 2, 2022 FORM 8-K
SC 13G/A Feb 1, 2022
SC 13G Jan 18, 2022
4 Dec 13, 2021 FORM 4 SUBMISSION
4 Dec 9, 2021 FORM 4 SUBMISSION
10-Q Nov 8, 2021 FORM 10-Q
8-K Nov 8, 2021 FORM 8-K
4 Nov 2, 2021 FORM 4 SUBMISSION
4 Nov 2, 2021 FORM 4 SUBMISSION
4 Aug 6, 2021 FORM 4 SUBMISSION
4 Aug 6, 2021 FORM 4 SUBMISSION
10-Q Aug 4, 2021 FORM 10-Q
8-K Aug 4, 2021 FORM 8-K
8-K Aug 2, 2021 8-K
4 Jul 6, 2021 FORM 4 SUBMISSION
4 Jul 6, 2021 FORM 4 SUBMISSION
EFFECT Jun 21, 2021
DEFA14A Jun 17, 2021 DEFA14A
DEF 14A Jun 17, 2021 DEF 14A
POS AM Jun 2, 2021 POS AM
10-K Jun 2, 2021 FORM 10-K
8-K Jun 2, 2021 FORM 8-K
POSASR Jun 2, 2021 POSASR
SD May 27, 2021 FORM SD
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