Material insider selling—especially by the CEO and top executives—often precedes negative news or reflects reduced confidence in near-term performance. Traders should monitor for upcoming earnings, production updates, or hedging disclosures that may explain the timing.
Price Chart
Executive Summary
Three corporate insiders at Core Natural Resources, Inc. (CNR) sold shares in the open market over a 3-day period, including CEO James A. Brock selling over 40,000 shares for $4.12 million. The total value of reported sales exceeds $5.27 million, representing a material insider selling cluster.
Key Financial Metrics
Key Facts
- CEO James A. Brock sold 40,760 shares for $4,122,874 in open-market transactions.
- SVP and Chief Legal Officer Rosemary L. Klein sold 10,000 shares for $1,050,000.
- Chief Accounting Officer John Rothka sold 1,000 shares for $97,660.
- Total open-market sales: $5,270,534 over 3 days.
- All transactions were open-market sales (Form 4 code 'S'), not driven by tax events or grants.
Financial Impact
$5.27 million in insider sales over 3 days, representing ~0.1% of CNR's $5.4B market cap
Risk Factors
- Insider selling can signal lack of confidence in future stock performance or valuation concerns.
- Concentrated selling by top leadership may raise governance or succession questions if it continues.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (3 trades, 7d window) | cluster-CNR-1774016883361 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 19, 2026 6w ago | 8-K | $93.30 $93.32 | ▲ +0.02% | ▲ +1.97% | $89.60 (−3.97%) |
Aug 6, 2026 8w ago | 8-K | $89.98 $97.43 | ▲ +8.28% | ▲ +7.68% | $89.60 (−0.42%) |
Jun 4, 2026 17w ago | 8-K | $93.44 $80.83 | ▼ −13.50% | ▼ −15.36% | $89.60 (−4.11%) |
May 19, 2026 19w ago | 8-K | $82.97 $83.57 | ▲ +0.72% | ▼ −0.02% | $89.60 (+7.99%) |
May 7, 2026 21w ago | 8-K | $88.56 $96.43 | ▲ +8.89% | ▲ +5.75% | $89.60 (+1.17%) |
May 4, 2026 21w ago | 8-K | $88.38 $94.57 | ▲ +7.00% | ▲ +2.05% | $89.60 (+1.38%) |
May 1, 2026 22w ago | 3 | $87.02 $93.17 | ▲ +7.07% | ▲ +1.78% | $89.60 (+2.96%) |
May 1, 2026 22w ago | 3 | $87.02 $93.17 | ▲ +7.07% | ▲ +1.78% | $89.60 (+2.96%) |
Apr 30, 2026 22w ago | 8-K | $86.93 $93.17 | ▲ +7.18% | ▲ +1.92% | $89.60 (+3.07%) |
Mar 17, 2026 28w ago | Insider Cluster | $98.78 $89.31 | ▼ −9.59% | ▼ −13.89% | $89.60 (−9.29%) |
US Market Status
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