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AMSC        0000880807    
Filing Date Form Type Description Document
2021-05-27 SD FORM SD View Document
2021-05-25 8-K FORM 8-K View Document
2021-05-24 4 FORM 4 SUBMISSION View Document
2021-05-24 4 FORM 4 SUBMISSION View Document
2021-05-21 8-K FORM 8-K View Document
2021-05-21 424B7 424B7 View Document
2021-05-10 8-K 8-K View Document
2021-04-07 4 FORM 4 SUBMISSION View Document
2021-04-07 4 FORM 4 SUBMISSION View Document
2021-04-07 4 FORM 4 SUBMISSION View Document
2021-04-07 4 FORM 4 SUBMISSION View Document
2021-02-26 S-3ASR S-3ASR View Document
2021-02-26 8-K 8-K View Document
2021-02-16 SC 13G SEC SCHEDULE 13G View Document
2021-02-10 SC 13G/A View Document
2021-02-03 10-Q FORM 10-Q View Document
2021-02-03 8-K FORM 8-K View Document
2021-02-01 8-K FORM 8-K View Document
2021-01-29 SC 13G/A View Document
2021-01-22 4 FORM 4 SUBMISSION View Document
2021-01-08 SC 13G/A AMERICAN SUPERCONDUCTOR 13G/A View Document
2020-12-14 8-K/A FORM 8-K/A View Document
2020-11-30 4 FORM 4 SUBMISSION View Document
2020-11-04 10-Q FORM 10-Q View Document
2020-11-04 8-K FORM 8-K View Document
2020-11-02 4 FORM 4 SUBMISSION View Document
2020-11-02 4 FORM 4 SUBMISSION View Document
2020-10-26 8-K 8-K View Document
2020-10-23 424B5 424B5 View Document
2020-10-21 424B5 424B5 View Document
2020-10-05 8-K FORM 8-K View Document
2020-10-05 8-K FORM 8-K View Document
2020-10-02 8-K FORM 8-K View Document
2020-09-16 8-K FORM 8-K View Document
2020-08-05 10-Q FORM 10-Q View Document
2020-08-05 8-K FORM 8-K View Document
2020-07-29 4 FORM 4 SUBMISSION View Document
2020-07-29 4 FORM 4 SUBMISSION View Document
2020-06-30 4 FORM 4 SUBMISSION View Document
2020-06-30 4 FORM 4 SUBMISSION View Document
2020-06-19 DEFA14A DEFA14A View Document
2020-06-19 DEF 14A DEF 14A View Document
2020-06-19 SC 13G/A SC 13G/A View Document
2020-06-04 4 FORM 4 SUBMISSION View Document
2020-06-04 4 FORM 4 SUBMISSION View Document
2020-06-02 10-K FORM 10-K View Document
2020-06-02 8-K FORM 8-K View Document
2020-05-27 8-K FORM 8-K View Document
2020-05-26 4 FORM 4 SUBMISSION View Document
2020-05-26 4 FORM 4 SUBMISSION View Document
2020-05-26 SD FORM SD View Document
2020-04-07 4 FORM 4 SUBMISSION View Document
2020-04-07 4 FORM 4 SUBMISSION View Document
2020-04-07 4 FORM 4 SUBMISSION View Document
2020-04-07 4 FORM 4 SUBMISSION View Document
2020-02-13 SC 13G/A SC 13G/A View Document
2020-02-12 SC 13G/A AMERICAN SUPERCONDUCTOR 13G/A View Document
2020-02-12 SC 13G View Document
2020-02-07 SC 13G View Document
2020-02-05 10-Q FORM 10-Q View Document
2020-02-05 8-K FORM 8-K View Document
2020-02-04 SC 13G/A View Document
2020-01-27 SC 13G SC 13G View Document
2019-12-23 4 FORM 4 SUBMISSION View Document
2019-11-07 4 FORM 4 SUBMISSION View Document
2019-11-07 4 FORM 4 SUBMISSION View Document
2019-11-05 10-Q FORM 10-Q View Document
2019-11-05 8-K FORM 8-K View Document
2019-11-04 4 FORM 4 SUBMISSION View Document
2019-11-04 4 FORM 4 SUBMISSION View Document
2019-08-29 S-8 S-8 View Document
2019-08-06 8-K 8-K View Document
2019-08-06 10-Q FORM 10-Q View Document
2019-08-06 8-K FORM 8-K View Document
2019-07-30 4 FORM 4 SUBMISSION View Document
2019-07-30 4 FORM 4 SUBMISSION View Document
2019-07-02 4 FORM 4 SUBMISSION View Document
2019-07-02 4 FORM 4 SUBMISSION View Document
2019-06-24 SC 13G View Document
2019-06-20 DEFA14A DEFA14A View Document
2019-06-20 DEF 14A DEF 14A View Document
2019-06-05 10-K FORM 10-K View Document
2019-06-05 8-K FORM 8-K View Document
2019-05-30 SD FORM SD View Document
2019-05-30 CT ORDER View Document
2019-05-29 4 FORM 4 SUBMISSION View Document
2019-05-29 3 FORM 3 SUBMISSION View Document
2019-05-24 4 FORM 4 SUBMISSION View Document
2019-05-24 8-K FORM 8-K View Document
2019-05-14 4 FORM 4 SUBMISSION View Document
2019-04-04 4 FORM 4 SUBMISSION View Document
2019-04-04 4 FORM 4 SUBMISSION View Document
2019-04-04 4 FORM 4 SUBMISSION View Document
2019-04-04 4 FORM 4 SUBMISSION View Document
2019-02-14 SC 13G SC 13G View Document
2019-02-13 SC 13G/A SCHEDULE 13G/A (AMENDMENT NO. 1) View Document
2019-02-13 SC 13G/A AMERICAN SUPERCONDUCTOR 13G/A View Document
2019-02-13 CT ORDER View Document
2019-02-08 SC 13G/A AMENDMENT TO FORM SC 13G View Document
2019-02-08 SC 13G REPORT OF ACQUISITION OF BENEFICIAL OWNERSHIP View Document

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