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
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Core Natural Resources Inc. April 30, 202699.4%
-
Core Natural Resources Inc. April 29, 202599.1%
-
Core Natural Resources Inc. April 30, 202499.0%
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Core Natural Resources Inc. April 27, 202399.3%
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 | −24,440 | — | — |
| Mar 24, 2026 | Core Natural Resources Inc. | Gift | +24,440 | — | — |
| Mar 18, 2026 | Core Natural Resources Inc. | Open-market sale | −40,760 | $101.15 | $4,122,874 |
| Feb 18, 2026 | Core Natural Resources Inc. | Shares withheld for tax | −66,365 | $88.96 | $5,903,830 |
| Feb 18, 2026 | Core Natural Resources Inc. | Shares withheld for tax | −4,440 | $88.96 | $394,982 |
| Feb 17, 2026 | Core Natural Resources Inc. | Grant or award | +21,190 | — | — |
| Nov 13, 2025 | Core Natural Resources Inc. | Gift | −140,760 | — | — |
| Nov 13, 2025 | Core Natural Resources Inc. | Gift | +140,760 | — | — |
| May 20, 2025 | Core Natural Resources Inc. | Gift | −165,200 | — | — |
| May 20, 2025 | Core Natural Resources Inc. | Gift | +165,200 | — | — |
| Feb 18, 2025 | Core Natural Resources Inc. | Grant or award | +20,096 | — | — |
| Feb 18, 2025 | Core Natural Resources Inc. | Grant or award | +20,096 | — | — |
| Jan 14, 2025 | Core Natural Resources Inc. | Grant or award | +13,152 | — | — |
| Jan 14, 2025 | Core Natural Resources Inc. | Shares withheld for tax | −6,031 | $101.95 | $614,860 |
| Jan 14, 2025 | Core Natural Resources Inc. | Grant or award | +11,532 | — | — |
Questions about James A. Brock
What boards is James A. Brock on?
James A. Brock sits on the board of Core Natural Resources Inc.
Has James A. Brock been a CEO?
Yes — James A. Brock was CEO of Core Natural Resources Inc. (Until January 2025).
How long has James A. Brock served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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