March 19, 2026 · Form 4 insider transaction
Klein Rosemary L sold 5,000 shares of Core Natural Resources, Inc. at $110.62 per share, a transaction worth $553.1K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.
Of the 53,679 shares, 11,045 shares represent unvested restricted stock units.