SEC Form 4 insider trading filings tracked in real time from EDGAR

Core Natural Resources, Inc. (CNR) — Insider Trading

Insider trading activity for Core Natural Resources, Inc. sourced from SEC EDGAR Form 4 filings.

Overview

  • Total insider trades: 6
  • Last trade date: Mar 25, 2026
  • Ticker: CNR

Top Insiders

  • Brock James A (Executive Chair and CEO) — 3 trades, buy: $0, sell: $4.1M
  • Klein Rosemary L (SVP, CLO & Corp. Sec.) — 2 trades, buy: $0, sell: $1.6M
  • Rothka John (Chief Accounting Officer) — 1 trades, buy: $0, sell: $98K

Recent Trades

DateInsiderTicker / Company TypeSharesValue
Mar 24, 2026 Brock James A CNR Core Natural Resources, Inc. OTHER 24,440 N/A
Mar 24, 2026 Brock James A CNR Core Natural Resources, Inc. OTHER 24,440 N/A
Mar 19, 2026 Klein Rosemary L CNR Core Natural Resources, Inc. SELL 5,000 $553K
Mar 19, 2026 Klein Rosemary L CNR Core Natural Resources, Inc. SELL 10,000 $1.1M
Mar 17, 2026 Rothka John CNR Core Natural Resources, Inc. SELL 1,000 $98K
Mar 18, 2026 Brock James A CNR Core Natural Resources, Inc. SELL 40,760 $4.1M

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