John W Kosiba Jr sold $202K of American Superconductor Corp /De/ (AMSC) stock

John W Kosiba Jr, SVP, CFO & Treasurer of American Superconductor Corp /De/ (AMSC), sold 4,835 shares of AMSC stock worth $202K, per an SEC Form 4 filed Jun 10, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Jun 8, 2026, 2 days before it was made public.

AMSC has moved -30.8% since the trade date, from $43.34 to $29.98 (Oct 5, 2026 close).