AMERICAN SUPERCONDUCTOR CORP (AMSC) Stock Ownership and Short Interest
USA - NASDAQ:AMSC - US0301112076 - Common Stock
56.16 USD
-4.47 (-7.37%)
| Shares Outstanding | 45.16M |
| Float | 43.43M |
| Float Short Interest Percentage | 6.15% |
| Owners (insider) | 3.84% |
| Owners (institutional) | 74.06% |
| Owners (insider) change | -0.71% |
| Owners (institutional) change | -0.85% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Aug 8, 2025 | House Arthur H | Open Market Sale | 9703 | 50.92 | $ 494,081.61 |
| Aug 6, 2025 | House Arthur H | Option Excercise | 9703 | 6.80 | $ 65,980.40 |
| Aug 4, 2025 | McGahn Daniel P | Open Market Sale | 100848 | 54.49 | $ 5,495,526.17 |
| Aug 4, 2025 | Kosiba John W JR | Open Market Sale | 59843 | 54.70 | $ 3,273,380.45 |
| Jun 11, 2025 | McGahn Daniel P | Open Market Sale | 12815 | 28.58 | $ 366,241.70 |
| Jun 11, 2025 | Kosiba John W JR | Open Market Sale | 6642 | 28.57 | $ 189,778.31 |
| Jun 6, 2025 | McGahn Daniel P | Open Market Sale | 7689 | 31.82 | $ 244,670.13 |
| Jun 6, 2025 | Kosiba John W JR | Open Market Sale | 4744 | 31.83 | $ 151,012.43 |
| May 27, 2025 | Kosiba John W JR | Open Market Sale | 50000 | 26.40 | $ 1,319,756.80 |
| May 27, 2025 | McGahn Daniel P | Open Market Sale | 122655 | 26.39 | $ 3,236,835.36 |
| May 20, 2025 | McGahn Daniel P | Open Market Sale | 12815 | 24.49 | $ 313,877.80 |
| May 20, 2025 | Kosiba John W JR | Open Market Sale | 11860 | 24.50 | $ 290,529.68 |
| May 15, 2025 | Kosiba John W JR | Grant | 120000 | 0.00 | $ 0.00 |
| May 15, 2025 | McGahn Daniel P | Grant | 240000 | 0.00 | $ 0.00 |
| Apr 3, 2025 | House Arthur H | Grant | 2639 | 0.00 | $ 0.00 |
| Apr 3, 2025 | Dambier Laura A. | Grant | 2639 | 0.00 | $ 0.00 |
| Apr 3, 2025 | OLIVER DAVID R JR | Grant | 2639 | 0.00 | $ 0.00 |
| Apr 3, 2025 | Littlefield Barbara G. | Grant | 2639 | 0.00 | $ 0.00 |
| Apr 3, 2025 | Klein Margaret D. | Grant | 2639 | 0.00 | $ 0.00 |