13D/13G Filings - AMERICAN SUPERCONDUCTOR CORP (AMSC)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
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Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2022-02-01
5:08 pm
Purchase
2021-12-31 13G American Superconductor Corporation
AMSC
BLACKROCK INC
BLK
1,906,149
6.700%
42,118increase
(+2.26%)
Filing
History
2022-01-18
07:15 am
Purchase
2021-12-31 13G American Superconductor Corporation
AMSC
BAILLIE GIFFORD & CO 1,491,370
5.250%
1,491,370increase
(New Position)
Filing
History
2021-02-16
3:23 pm
Purchase
2021-02-16 13G American Superconductor Corporation
AMSC
Invesco Ltd.
IVZ
1,895,162
6.900%
1,895,162increase
(New Position)
Filing
History
2021-02-10
3:23 pm
Sale
2020-12-31 13G American Superconductor Corporation
AMSC
Renaissance Technologies LLC 916,975
3.320%
-317,642decrease
(-25.73%)
Filing
History
2021-01-28
5:56 pm
Purchase
2020-12-31 13G American Superconductor Corporation
AMSC
BLACKROCK INC
BLK
1,864,031
6.800%
451,970increase
(+32.01%)
Filing
History
2021-01-08
4:28 pm
Purchase
2020-12-31 13G American Superconductor Corporation
AMSC
AWM Investment Company, Inc. 1,268,670
4.600%
154,342increase
(+13.85%)
Filing
History
2020-06-19
4:05 pm
Sale
2020-06-08 13G American Superconductor Corporation
AMSC
DOUGLAS KEVIN 1,126,696
11.000%
-912,552decrease
(-44.75%)
Filing
History
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