James A. Brock
Chief Executive Officer at Core Natural Resources Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Core Natural Resources Inc., 3 years.
Chief executive roles
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 24, 2026 | Core Natural Resources Inc. | Gift | โ24,440 | โ | โ |
| Mar 24, 2026 | Core Natural Resources Inc. | Gift | +24,440 | โ | โ |
| Mar 18, 2026 | Core Natural Resources Inc. | Open-market sale | โ40,760 | $101.15 | $4,122,874 |
| Feb 18, 2026 | Core Natural Resources Inc. | Shares withheld for tax | โ66,365 | $88.96 | $5,903,830 |
| Feb 18, 2026 | Core Natural Resources Inc. | Shares withheld for tax | โ4,440 | $88.96 | $394,982 |
| Feb 17, 2026 | Core Natural Resources Inc. | Grant or award | +21,190 | โ | โ |
| Nov 13, 2025 | Core Natural Resources Inc. | Gift | โ140,760 | โ | โ |
| Nov 13, 2025 | Core Natural Resources Inc. | Gift | +140,760 | โ | โ |
| May 20, 2025 | Core Natural Resources Inc. | Gift | โ165,200 | โ | โ |
| May 20, 2025 | Core Natural Resources Inc. | Gift | +165,200 | โ | โ |
| Feb 18, 2025 | Core Natural Resources Inc. | Grant or award | +20,096 | โ | โ |
| Feb 18, 2025 | Core Natural Resources Inc. | Grant or award | +20,096 | โ | โ |
| Jan 14, 2025 | Core Natural Resources Inc. | Grant or award | +13,152 | โ | โ |
| Jan 14, 2025 | Core Natural Resources Inc. | Shares withheld for tax | โ6,031 | $101.95 | $614,860 |
| Jan 14, 2025 | Core Natural Resources Inc. | Grant or award | +11,532 | โ | โ |
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