05:48 PM EDT, 03/19/2026 (MT Newswires) -- James A Brock, Director, Executive Chair and CEO, on March 18, 2026, sold 40,760 shares in Core Natural Resources ( CNR ) for $4,122,874. Following the Form 4 filing with the SEC, Brock has control over a total of 508,813 common shares of the company, with 266,975 shares held directly and 241,838 controlled indirectly.

SEC Filing:

https://www.sec.gov/Archives/edgar/data/1710366/000119312526116273/xslF345X05/ownership.xml