Core Natural Resources (CNR) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
Core Natural Resources insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 4 sold $6.9M of CNR stock on the open market.
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CNR insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | — | 0 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | — | 0 | $6.7M | 6 |
| Q4 2025 | — | 0 | $420K | 3 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 Core Natural Resources, Inc. insiders reported open-market purchases totaling $0, while 4 insiders reported sales totaling $6.9M. 3 of 9 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Mar 20SEC | Rosemary L KleinGeneral Counsel | Sell | 10,00058,679 held (−15%) | $105.00 | $1.1M | -15.8% | — |
| Mar 20SEC | Rosemary L KleinGeneral Counsel | Sell | 5,00053,679 held (−9%) | $110.62 | $553K | -20.0% | — |
| Mar 19SEC | James A BrockCEO, Chair | Sell | 40,760100,000 held (−29%) | $101.15 | $4.1M | -12.5% | — |
| Mar 19SEC | John RothkaChief Accounting Officer | Sell | 1,0005,190 held (−16%) | $97.66 | $98K | -9.4% | — |
| Mar 11SEC | Richard A NavarreDirector | Sell | 6,00018,034 held (−25%) | $91.70 | $550K | -3.5% | — |
| Mar 11SEC | John RothkaChief Accounting Officer | Sell | 3,8006,190 held (−38%) | $91.62 | $348K | -3.4% | — |
| Oct 10SEC | John RothkaChief Accounting Officer | Sell Plan | 1,0009,307 held (−10%) | $100.00 | $100K | -11.5% | — |
| Oct 10SEC | John RothkaChief Accounting Officer | Sell Plan | 1,00010,307 held (−9%) | $95.00 | $95K | -6.9% | — |
| Oct 6SEC | John RothkaChief Accounting Officer | Sell Plan | 2,50011,307 held (−18%) | $90.00 | $225K | -1.7% | — |
Insiders at Core Natural Resources, Inc.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| James A BrockCEO, Chair | — | $4.1M | Mar 19, 2026 | — |
| Rosemary L KleinGeneral Counsel | — | $1.6M | Mar 20, 2026 | — |
| John RothkaChief Accounting Officer | — | $866K | Mar 19, 2026 | — |
| Richard A NavarreDirector | — | $550K | Mar 11, 2026 | — |
CNR stock: common questions
Are Core Natural Resources, Inc. insiders buying CNR stock?
In the past 12 months, 0 insiders reported open-market purchases of CNR worth $0.
Are Core Natural Resources, Inc. insiders selling CNR stock?
4 insiders reported sales worth $6.9M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is CNR's 52-week range?
Over the past year CNR has traded between $75.66 and $113.00. It last closed at $88.46 on Oct 9, 2026.