Trade Summary

10 months ago, Vollmer Jason L, serving as CFO at Mdu Resources Group Inc (MDU), purchased 5,000 shares at $16.08 per share, for a total transaction value of $80,375.00. Following this transaction, Vollmer Jason L now holds 352,943 shares of MDU.

This purchase represents a 1.00% increase in Vollmer Jason L's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Monday, September 8, 2025 and publicly disclosed via SEC Form 4 filing on Tuesday, September 9, 2025 at 1:39 PM ET, 1 day after the trade was made.

Mdu Resources Group Inc operates in the INDUSTRIALS sector, specifically within the CONGLOMERATES industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.