Trade Summary

3 days ago, Mauney William Marshall Jr, serving as VP, R, D at Powell Industries Inc (POWL), sold 2,500 shares at $323.69 per share, for a total transaction value of $809,218.00. Following this transaction, Mauney William Marshall Jr now holds 10,853 shares of POWL.

This sale represents a 19.00% decrease in Mauney William Marshall Jr's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, May 11, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, May 13, 2026, 2 days after the trade was made.

Powell Industries Inc operates in the INDUSTRIALS sector, specifically within the ELECTRICAL EQUIPMENT & PARTS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.