There have been 50 recent insider transactions recorded for Core Natural Resources, Inc. (CNR), including 15 buys and 21 sells. Total insider buying was valued at $502.13K and total insider selling at $8.16M.
Notable insiders with recent activity include Brock James A, Klein Rosemary L, Rothka John. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — CNR
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-24 |
Brock James A |
Executive Chair and CEO |
Gift (Given) |
24,440 |
- |
- |
- |
| 2026-03-19 |
Klein Rosemary L |
SVP, CLO & Corp. Sec. |
Informative Sell |
5,000 |
$110.62 |
$553.1K |
53,679 |
| 2026-03-18 |
Brock James A |
Executive Chair and CEO |
Informative Sell |
40,760 |
$101.15 |
$4.12M |
100,000 |
| 2026-03-17 |
Rothka John |
Chief Accounting Officer |
Informative Sell |
1,000 |
$97.66 |
$97.66K |
5,190 |
| 2026-03-10 |
Navarre Richard A |
Director |
Informative Sell |
6,000 |
$91.70 |
$550.2K |
18,034 |
| 2026-03-10 |
Rothka John |
Chief Accounting Officer |
Informative Sell |
3,800 |
$91.62 |
$348.16K |
6,190 |
| 2026-02-18 |
Klein Rosemary L |
SVP, CLO & Corp. Sec. |
Tax Withholding of RSU |
746 |
$88.96 |
$66.36K |
68,667 |
| 2026-02-18 |
Slone Deck |
SVP, Strategy & Public Policy |
Tax Withholding of RSU |
731 |
$88.96 |
$65.03K |
70,207 |
| 2026-02-18 |
Brock James A |
Executive Chair and CEO |
Tax Withholding of RSU |
4,440 |
$88.96 |
$394.98K |
266,967 |
| 2026-02-18 |
Schuller George John Jr |
SVP, Chief Operating Officer |
Tax Withholding of RSU |
1,069 |
$88.96 |
$95.1K |
27,338 |
| 2026-02-18 |
Rothka John |
Chief Accounting Officer |
Tax Withholding of RSU |
97 |
$88.96 |
$8.63K |
9,970 |
| 2026-02-18 |
Salvatori Kurt R. |
SVP, Chief Admin. Officer |
Tax Withholding of RSU |
689 |
$88.96 |
$61.29K |
24,585 |
| 2026-02-18 |
Thakkar Miteshkumar |
President & CFO |
Tax Withholding of RSU |
1,223 |
$88.96 |
$108.8K |
61,657 |
| 2026-02-18 |
Braithwaite Robert J. Jr. |
SVP, Marketing & Sales |
Tax Withholding of RSU |
464 |
$88.96 |
$41.28K |
16,290 |
| 2026-02-18 |
Brock James A |
Executive Chair and CEO |
Tax Withholding of RSU |
2,960 |
$88.96 |
$263.32K |
271,415 |
| 2026-02-18 |
Rothka John |
Chief Accounting Officer |
Tax Withholding of RSU |
79 |
$88.96 |
$7.03K |
9,990 |
| 2026-02-17 |
Kriegshauser Patrick A |
Director |
RSU Award |
1,610 |
- |
- |
24,958 |
| 2026-02-17 |
Koeppel Holly K |
Director |
RSU Award |
1,610 |
- |
- |
14,958 |
| 2026-02-17 |
Navarre Richard A |
Director |
RSU Award |
2,200 |
- |
- |
24,030 |
| 2026-02-17 |
Klein Rosemary L |
SVP, CLO & Corp. Sec. |
RSU Award |
5,060 |
- |
- |
69,910 |
| 2026-02-17 |
Slone Deck |
SVP, Strategy & Public Policy |
RSU Award |
5,060 |
- |
- |
71,425 |
| 2026-02-17 |
Platt Joseph P Jr |
Director |
RSU Award |
1,610 |
- |
- |
40,648 |
| 2026-02-17 |
Brock James A |
Executive Chair and CEO |
RSU Award |
21,190 |
- |
- |
274,367 |
| 2026-02-17 |
Schuller George John Jr |
SVP, Chief Operating Officer |
RSU Award |
7,530 |
- |
- |
29,120 |
| 2026-02-17 |
Rothka John |
Chief Accounting Officer |
RSU Award |
760 |
- |
- |
10,067 |
| 2026-02-17 |
Salvatori Kurt R. |
SVP, Chief Admin. Officer |
RSU Award |
4,820 |
- |
- |
25,733 |
| 2026-02-17 |
Thakkar Miteshkumar |
President & CFO |
RSU Award |
8,730 |
- |
- |
63,686 |
| 2026-02-17 |
Perera Valli |
Director |
RSU Award |
1,610 |
- |
- |
9,317 |
| 2026-02-17 |
Braithwaite Robert J. Jr. |
SVP, Marketing & Sales |
RSU Award |
4,440 |
- |
- |
17,064 |
| 2026-02-17 |
Klein Rosemary L |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Slone Deck |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Schuller George John Jr |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Salvatori Kurt R. |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Thakkar Miteshkumar |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Braithwaite Robert J. Jr. |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Kriegshauser Patrick A |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Koeppel Holly K |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Navarre Richard A |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Platt Joseph P Jr |
Officer |
Unknown |
- |
- |
- |
- |
| 2026-02-17 |
Perera Valli |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-11-13 |
Brock James A |
Executive Chair and CEO |
Gift (Given) |
140,760 |
- |
- |
24,440 |
| 2025-10-09 |
Rothka John |
Chief Accounting Officer |
Informative Sell |
1,000 |
$100.00 |
$100K |
9,307 |
| 2025-10-08 |
Rothka John |
Chief Accounting Officer |
Informative Sell |
1,000 |
$95.00 |
$95K |
10,307 |
| 2025-10-03 |
Rothka John |
Chief Accounting Officer |
Informative Sell |
2,500 |
$90.00 |
$225K |
11,307 |
| 2025-09-25 |
Navarre Richard A |
Director |
Informative Sell |
5,000 |
$82.20 |
$411K |
21,830 |
| 2025-09-17 |
Kriegshauser Patrick A |
Director |
Informative Sell |
3,043 |
$77.07 |
$234.52K |
23,348 |
| 2025-05-20 |
Brock James A |
Executive Chair |
Gift (Received) |
165,200 |
- |
- |
165,200 |
| 2025-05-09 |
Lang Paul A |
Chief Executive Officer |
Informative Buy |
7,500 |
$66.95 |
$502.13K |
341,062 |
| 2025-03-31 |
Koeppel Holly K |
Director |
Informative Sell |
4,044 |
$75.68 |
$306.05K |
13,348 |
| 2025-02-18 |
Kriegshauser Patrick A |
Director |
RSU Award |
1,674 |
- |
- |
24,717 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
