John W. Kosiba Jr., SVP, CFO & Treasurer at AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC), bought 15,000 shares at $3.50 ($53K) on 2022-12-16, disclosed to the SEC on 2022-12-19.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Something here stands out, but not much.
| Filing → |
| AMSC | SELL | 2026-06-03 | $1.9M | — | Filing → |
| AMSC | SELL | 2025-08-06 | $6.5M | — | Filing → |
| AMSC | SELL | 2025-06-12 | $371K | — | Filing → |