House Arthur H
Director
Latest Insider Transactions
4 transactions (past 365 days)
| 2026-04-07 | 2026-04-03 | AMSC American Superconductor Corp /De/ | Director | Award | 3,116 | $0.00 | $0 |
| 2025-08-08 | 2025-08-08 | AMSC American Superconductor Corp /De/ | Director | Sale | 9,703 | $50.92 | -$494,086 |
| 2025-08-08 | 2025-08-06 | AMSC American Superconductor Corp /De/ | Director | Exercise Conversion | 9,703 | $0.00 | $0 |
| 2025-08-08 | 2025-08-06 | AMSC American Superconductor Corp /De/ | Director | Exercise Conversion | 9,703 | $6.80 | $65,980 |
AMSC
Director
Award
$0
3,116 shares @ $0.00
Filed 2026-04-07Trade 2026-04-03
American Superconductor Corp /De/AMSC
Director
Sale
-$494.1K
9,703 shares @ $50.92
Filed 2025-08-08Trade 2025-08-08
American Superconductor Corp /De/AMSC
Director
Exercise Conversion
$0
9,703 shares @ $0.00
Filed 2025-08-08Trade 2025-08-06
American Superconductor Corp /De/AMSC
Director
Exercise Conversion
$66K
9,703 shares @ $6.80
Filed 2025-08-08Trade 2025-08-06
American Superconductor Corp /De/