CNR
EnergyCore Natural Resources, Inc.
$98.26-1.78 (-1.78%)
Prev Close
$100.04
Open
$100.00
High
$100.50
Low
$96.75
Volume
837.4K
Market Cap
$4.68B
P/E
—
Div Yield
0.00%
Over the past 12 months, insider activity at Core Natural Resources, Inc. (CNR) has been dominated by selling, with 1 insider purchase totaling $502.1K and 15 insider sales totaling $9.93M. The most recent insider transaction was by NAVARRE RICHARD A (director), who sold $550.2K worth of shares on Mar 11, 2026. Core Natural Resources, Inc. operates in the Energy sector, within the Coal industry, with a market cap of $4.68B.
Buys (12M)
1
$502.1K
Sells (12M)
15
$9.93M
Net Activity
Net Seller
$9.43M
Active Insiders
12
last 12 mo
CNR Price Chart
CNR Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 11, 2026↗ | NAVARRE RICHARD A | director | Sell | 6,000 | $91.70 | $550.2K | 18,034 |
| Mar 11, 2026↗ | Rothka John | officer: Chief Accounting Officer | Sell | 3,800 | $91.62 | $348.2K | 6,190 |
| Feb 17, 2026↗ | Braithwaite Robert J. Jr. | SVP, Marketing & Sales | Sell | 774 | $88.96 | $68.9K | 0 |
| Feb 17, 2026↗ | Brock James A | Executive Chair and CEO | Sell | 73,765 | $88.96 | $6.56M | 0 |
| Feb 17, 2026↗ | Klein Rosemary L | SVP, CLO & Corp. Sec. | Sell | 1,243 | $88.96 | $110.6K | 0 |
| Feb 17, 2026↗ | Rothka John | Chief Accounting Officer | Sell | 176 | $88.96 | $15.7K | 0 |
| Feb 17, 2026↗ | Salvatori Kurt R. | SVP, Chief Admin. Officer | Sell | 1,148 | $88.96 | $102.1K | 0 |
| Feb 17, 2026↗ | Schuller George John JR | SVP, Chief Operating Officer | Sell | 1,782 | $88.96 | $158.5K | 0 |
| Feb 17, 2026↗ | Slone Deck | SVP, Strategy & Public Policy | Sell | 1,218 | $88.96 | $108.4K | 0 |
| Feb 17, 2026↗ | Thakkar Miteshkumar | President & CFO | Sell | 2,029 | $88.96 | $180.5K | 0 |
| Oct 10, 2025↗ | Rothka John | Chief Accounting Officer | Sell | 2,000 | $97.50 | $195.0K | 10,307 |
| Oct 6, 2025↗ | Rothka John | Chief Accounting Officer | Sell | 2,500 | $90.00 | $225.0K | 11,307 |
| Sep 26, 2025↗ | NAVARRE RICHARD A | Sell | 5,000 | $82.20 | $411.0K | 21,830 | |
| Sep 18, 2025↗ | KRIEGSHAUSER PATRICK A | Sell | 3,043 | $77.07 | $234.5K | 23,348 | |
| May 12, 2025↗ | Lang Paul A | Chief Executive Officer | Buy | 7,500 | $66.95 | $502.1K | 341,062 |
| Apr 2, 2025↗ | KOEPPEL HOLLY K | Sell | 8,815 | $75.30 | $663.7K | 17,392 | |
| Jul 1, 2024↗ | Brock James A | Chief Executive Officer | Sell | 17,398 | $100.85 | $1.75M | 530,837 |
| May 24, 2024↗ | Brock James A | Chief Executive Officer | Sell | 6,300 | $98.21 | $618.7K | 532,087 |
| Mar 8, 2024↗ | Rothka John | Chief Accounting Officer | Sell | 2,000 | $94.56 | $189.1K | 13,108 |
| Dec 22, 2023↗ | Brock James A | Chief Executive Officer | Sell | 6,669 | $102.55 | $683.9K | 527,382 |
| Dec 20, 2023↗ | Brock James A | Chief Executive Officer | Sell | 6,669 | $99.27 | $662.0K | 538,503 |
| Dec 20, 2023↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 3,334 | $100.00 | $333.4K | 35,144 |
| Sep 19, 2023↗ | Platt Joseph P JR | Sell | 10,227 | $98.33 | $1.01M | 33,957 | |
| Aug 16, 2023↗ | MILLS JOHN T | Sell | 23,407 | $80.60 | $1.89M | 69,117 | |
| Aug 15, 2023↗ | MILLS JOHN T | Sell | 282 | $80.60 | $22.7K | 77,624 | |
| Aug 14, 2023↗ | Salvatori Kurt R. | Chief Administrative Officer | Sell | 6,097 | $80.24 | $489.2K | 10,498 |
| Aug 14, 2023↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 10,000 | $80.33 | $803.3K | 38,843 |
| Mar 7, 2023↗ | Rothka John | Chief Accounting Officer | Sell | 2,000 | $64.34 | $128.7K | 14,245 |
| Dec 5, 2022↗ | Brock James A | Chief Executive Officer | Sell | 500 | $78.20 | $39.1K | 473,020 |
| Dec 1, 2022↗ | Brock James A | Chief Executive Officer | Sell | 15,814 | $75.91 | $1.20M | 476,834 |
| Sep 7, 2022↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 8,500 | $75.00 | $637.5K | 52,866 |
| Sep 2, 2022↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 8,500 | $70.86 | $602.3K | 65,875 |
| Aug 19, 2022↗ | Brock James A | Chief Executive Officer | Sell | 50,000 | $67.60 | $3.38M | 518,125 |
| Aug 19, 2022↗ | Rothka John | Chief Accounting Officer | Sell | 2,000 | $70.36 | $140.7K | 16,194 |
| Aug 19, 2022↗ | Salvatori Kurt R. | Chief Administrative Officer | Sell | 14,324 | $67.21 | $962.7K | 17,393 |
| Aug 19, 2022↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 7,000 | $67.03 | $469.2K | 69,866 |
| May 25, 2022↗ | Platt Joseph P JR | Director | Sell | 14,177 | $51.45 | $729.4K | 44,637 |
| May 19, 2022↗ | MILLS JOHN T | Director | Sell | 14,177 | $51.22 | $726.2K | 79,736 |
| May 12, 2022↗ | Bergeron Sophie | Director | Sell | 12,200 | $48.25 | $588.6K | 30,828 |
| Apr 14, 2022↗ | Salvatori Kurt R. | Chief Administrative Officer | Sell | 6,995 | $42.04 | $294.1K | 30,731 |
| Jun 4, 2021↗ | MILLS JOHN T | Director | Sell | 15,702 | $16.58 | $260.3K | 86,674 |
CNR Insider Buying Activity
The following table shows recent insider purchases of Core Natural Resources, Inc. (CNR) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 12, 2025↗ | Lang Paul A | Chief Executive Officer | Buy | 7,500 | $66.95 | $502.1K | 341,062 |
CNR Insider Selling Activity
The following table shows recent insider sales of Core Natural Resources, Inc. (CNR) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 11, 2026↗ | NAVARRE RICHARD A | director | Sell | 6,000 | $91.70 | $550.2K | 18,034 |
| Mar 11, 2026↗ | Rothka John | officer: Chief Accounting Officer | Sell | 3,800 | $91.62 | $348.2K | 6,190 |
| Feb 17, 2026↗ | Braithwaite Robert J. Jr. | SVP, Marketing & Sales | Sell | 774 | $88.96 | $68.9K | 0 |
| Feb 17, 2026↗ | Brock James A | Executive Chair and CEO | Sell | 73,765 | $88.96 | $6.56M | 0 |
| Feb 17, 2026↗ | Klein Rosemary L | SVP, CLO & Corp. Sec. | Sell | 1,243 | $88.96 | $110.6K | 0 |
| Feb 17, 2026↗ | Rothka John | Chief Accounting Officer | Sell | 176 | $88.96 | $15.7K | 0 |
| Feb 17, 2026↗ | Salvatori Kurt R. | SVP, Chief Admin. Officer | Sell | 1,148 | $88.96 | $102.1K | 0 |
| Feb 17, 2026↗ | Schuller George John JR | SVP, Chief Operating Officer | Sell | 1,782 | $88.96 | $158.5K | 0 |
| Feb 17, 2026↗ | Slone Deck | SVP, Strategy & Public Policy | Sell | 1,218 | $88.96 | $108.4K | 0 |
| Feb 17, 2026↗ | Thakkar Miteshkumar | President & CFO | Sell | 2,029 | $88.96 | $180.5K | 0 |
| Oct 10, 2025↗ | Rothka John | Chief Accounting Officer | Sell | 2,000 | $97.50 | $195.0K | 10,307 |
| Oct 6, 2025↗ | Rothka John | Chief Accounting Officer | Sell | 2,500 | $90.00 | $225.0K | 11,307 |
| Sep 26, 2025↗ | NAVARRE RICHARD A | Sell | 5,000 | $82.20 | $411.0K | 21,830 | |
| Sep 18, 2025↗ | KRIEGSHAUSER PATRICK A | Sell | 3,043 | $77.07 | $234.5K | 23,348 | |
| Apr 2, 2025↗ | KOEPPEL HOLLY K | Sell | 8,815 | $75.30 | $663.7K | 17,392 | |
| Jul 1, 2024↗ | Brock James A | Chief Executive Officer | Sell | 17,398 | $100.85 | $1.75M | 530,837 |
| May 24, 2024↗ | Brock James A | Chief Executive Officer | Sell | 6,300 | $98.21 | $618.7K | 532,087 |
| Mar 8, 2024↗ | Rothka John | Chief Accounting Officer | Sell | 2,000 | $94.56 | $189.1K | 13,108 |
| Dec 22, 2023↗ | Brock James A | Chief Executive Officer | Sell | 6,669 | $102.55 | $683.9K | 527,382 |
| Dec 20, 2023↗ | Brock James A | Chief Executive Officer | Sell | 6,669 | $99.27 | $662.0K | 538,503 |
| Dec 20, 2023↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 3,334 | $100.00 | $333.4K | 35,144 |
| Sep 19, 2023↗ | Platt Joseph P JR | Sell | 10,227 | $98.33 | $1.01M | 33,957 | |
| Aug 16, 2023↗ | MILLS JOHN T | Sell | 23,407 | $80.60 | $1.89M | 69,117 | |
| Aug 15, 2023↗ | MILLS JOHN T | Sell | 282 | $80.60 | $22.7K | 77,624 | |
| Aug 14, 2023↗ | Salvatori Kurt R. | Chief Administrative Officer | Sell | 6,097 | $80.24 | $489.2K | 10,498 |
| Aug 14, 2023↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 10,000 | $80.33 | $803.3K | 38,843 |
| Mar 7, 2023↗ | Rothka John | Chief Accounting Officer | Sell | 2,000 | $64.34 | $128.7K | 14,245 |
| Dec 5, 2022↗ | Brock James A | Chief Executive Officer | Sell | 500 | $78.20 | $39.1K | 473,020 |
| Dec 1, 2022↗ | Brock James A | Chief Executive Officer | Sell | 15,814 | $75.91 | $1.20M | 476,834 |
| Sep 7, 2022↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 8,500 | $75.00 | $637.5K | 52,866 |
| Sep 2, 2022↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 8,500 | $70.86 | $602.3K | 65,875 |
| Aug 19, 2022↗ | Brock James A | Chief Executive Officer | Sell | 50,000 | $67.60 | $3.38M | 518,125 |
| Aug 19, 2022↗ | Rothka John | Chief Accounting Officer | Sell | 2,000 | $70.36 | $140.7K | 16,194 |
| Aug 19, 2022↗ | Salvatori Kurt R. | Chief Administrative Officer | Sell | 14,324 | $67.21 | $962.7K | 17,393 |
| Aug 19, 2022↗ | Wiegand Martha A | General Counsel & Secretary | Sell | 7,000 | $67.03 | $469.2K | 69,866 |
| May 25, 2022↗ | Platt Joseph P JR | Director | Sell | 14,177 | $51.45 | $729.4K | 44,637 |
| May 19, 2022↗ | MILLS JOHN T | Director | Sell | 14,177 | $51.22 | $726.2K | 79,736 |
| May 12, 2022↗ | Bergeron Sophie | Director | Sell | 12,200 | $48.25 | $588.6K | 30,828 |
| Apr 14, 2022↗ | Salvatori Kurt R. | Chief Administrative Officer | Sell | 6,995 | $42.04 | $294.1K | 30,731 |
| Jun 4, 2021↗ | MILLS JOHN T | Director | Sell | 15,702 | $16.58 | $260.3K | 86,674 |
CNR Insiders
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