Trade Summary

5 days ago, Kosiba John W JR, serving as SVP, CFO & Treasurer at AMERICAN SUPERCONDUCTOR CORP /DE/ (AMSC), sold 6,769 shares at $37.46 per share, for a total transaction value of $253,579.33. Following this transaction, Kosiba John W JR now holds 334,377 shares of AMSC.

This sale represents a 1.98% decrease in Kosiba John W JR's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Thursday, June 11, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, June 11, 2026 at 4:31 PM ET, meaning the disclosure happened on the same day as the trade.

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.