BlackRock, Inc. (BLK) 13D/13G Filings for American Superconductor Corporation (AMSC)

BlackRock, Inc. 13D and 13G filings for American Superconductor Corporation:

  • 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.
  • Shares have been adjusted for stock splits.
Time period
Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2025-04-17
09:35 am
Sale
2025-03-31 13G American Superconductor Corporation
AMSC
BLACKROCK INC
BLK
2,799,562
7.100%
-628,331decrease
(-18.33%)
Filing
2025-02-05
5:28 pm
Purchase
2024-12-31 13G American Superconductor Corporation
AMSC
BLACKROCK INC
BLK
3,427,893
8.700%
707,110increase
(+25.99%)
Filing
2024-11-08
2:17 pm
Unchanged
2024-09-30 13G American Superconductor Corporation
AMSC
BLACKROCK INC
BLK
2,720,783
7.100%
0
(Unchanged)
Filing
2024-10-22
6:06 pm
Purchase
2024-09-30 13G American Superconductor Corporation
AMSC
BLACKROCK INC
BLK
2,720,783
7.100%
2,197,837increase
(+420.28%)
Filing
2022-07-08
4:56 pm
Sale
2022-06-30 13G American Superconductor Corporation
AMSC
BLACKROCK INC
BLK
522,946
1.800%
-1,383,203decrease
(-72.57%)
Filing
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
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