JW
John W Kosiba Jr sold $254K of AMSC stock
John W Kosiba Jr, SVP, CFO & Treasurer of American Superconductor Corp (AMSC), sold 6,769 shares of AMSC stock worth $254K, per an SEC Form 4 filed Jun 11, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade was reported on Jun 11, 2026.
AMSC has moved -40.8% since the trade date, from $39.51 to $23.39 (Nov 6, 2026 close).
- Traded
- Jun 11, 2026
- Disclosed
- Jun 11, 2026
- Filing delay
- 0 days
- Price since
- -40.8%
- Role
- SVP, CFO & Treasurer
- Source
- SEC Form 4