House Arthur H is a corporate insider with SEC Form 4 filings on record. No transactions have been reported in the past 12 months. Historical filings, if any, are searchable below.

House Arthur H

Director

Latest Insider Transactions

4 transactions (past 365 days)

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/