Trade Summary

5 days ago, Brock James A, serving as Exec Chair, CEO at Core Natural Resources, Inc. (CNR), sold 40,760 shares at $101.15 per share, for a total transaction value of $4,122,874.00. Following this transaction, Brock James A now holds 508,813 shares of CNR.

This sale represents a 7.00% decrease in Brock James A's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, March 18, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, March 19, 2026, 1 day after the trade was made.

Core Natural Resources, Inc. operates in the ENERGY sector, specifically within the THERMAL COAL industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.