John W Kosiba Jr, SVP, CFO & Treasurer at American Superconductor, sold AMSC on Jun 11, 2026
Data as of Oct 27
▼ SELL$66K1,743 shares at $37.85John W Kosiba Jr SVP, CFO & TreasurerAMSC American Superconductor Corp
- Traded
- Jun 11, 2026
- Disclosed
- Jun 11, 2026
- Filed
- The same day
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
AMSC since disclosure
−30.1%
after the sale
Similar stocks (SPY) since disclosure
+4.3%
S&P 500 (SPY)
Change in closing price from Jun 11, 2026 (the first trading day on or after disclosure) to Oct 27, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.
Other trades in the same filing
- ▼ SELLJohn W Kosiba Jr SVP, CFO & TreasurerAMSC American Superconductor Corp$188Kdisclosed Jun 11 · filed the same day