Daniel P. McGahn, President and CEO at AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC), bought 25,000 shares at $4.00 ($100K) on 2017-05-10, disclosed to the SEC on 2017-05-12.
Seasonal purchase ($100k) by President and CEO — this insider has traded AMSC in May in at least three consecutive prior years. Pattern-driven, low signal.
Something here stands out, but not much.
| Filing → |
| AMSC | SELL | 2026-06-03 | $4.3M | — | Filing → |
| AMSC | SELL | 2025-08-06 | $11.0M | — | Filing → |
| AMSC | SELL | 2025-06-12 | $718K | — | Filing → |