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.
| 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% | -628,331 (-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% | 707,110 (+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% | 2,197,837 (+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% | -1,383,203 (-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% | 42,118 (+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% | 451,970 (+32.01%) | Filing |