Trade Summary

3 days ago, Kosiba John W JR, serving as SVP, CFO & Treasurer at AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC), sold 4,835 shares at $41.77 per share, for a total transaction value of $201,966.80. Following this transaction, Kosiba John W JR now holds 341,146 shares of AMSC.

This sale represents a 1.40% decrease in Kosiba John W JR's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Monday, June 8, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, June 10, 2026 at 4:55 PM ET, 2 days after the trade was made.

AMERICAN SUPERCONDUCTOR CORP /DE/ operates in the INDUSTRIALS sector, specifically within the SPECIALTY INDUSTRIAL MACHINERY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.