Trade Summary

6 days ago, Rothka John, serving as Chief Accounting Officer at Core Natural Resources, Inc. (CNR), sold 1,000 shares at $97.66 per share, for a total transaction value of $97,660.00. Following this transaction, Rothka John now holds 5,190 shares of CNR.

This sale represents a 16.00% decrease in Rothka John's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, March 17, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, March 19, 2026, 2 days 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.