Brock James A has filed 34 insider transactions across 1 company since January 2024.
Most recent transaction: a gift of 24440 shares of Core Natural Resources, Inc. ($CNR) on March 24, 2026.
Activity breakdown: 0 open-market purchases and 11 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 24, 2026 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair and CEO | G | Common stock, par value $0.01 per share | 24440 | $0.00 | 508,813.0000 | 50,979,544 | 5.05% | 0.05% |
| March 24, 2026 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair and CEO | G | Common stock, par value $0.01 per share | 24440 | $0.00 | 508,813.0000 | 50,979,544 | 4.58% | 0.05% |
| March 18, 2026 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair and CEO | S | Common stock, par value $0.01 per share | 40760 | $101.15 | 508,813.0000 | 50,979,544 | 7.42% | 0.08% |
| Feb. 18, 2026 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair and CEO | F | Common stock, par value $0.01 per share | 2960 | $88.96 | 538,390.0000 | 50,979,544 | 0.55% | 0.01% |
| Feb. 18, 2026 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair and CEO | F | Common stock, par value $0.01 per share | 66365 | $88.96 | 554,005.0000 | 50,979,544 | 10.70% | 0.13% |
| Feb. 18, 2026 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair and CEO | F | Common stock, par value $0.01 per share | 4440 | $88.96 | 549,565.0000 | 50,979,544 | 0.80% | 0.01% |
| Feb. 17, 2026 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair and CEO | A | Common stock, par value $0.01 per share | 21190 | $0.00 | 556,965.0000 | 50,979,544 | 3.96% | 0.04% |
| Nov. 13, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair and CEO | G | Common stock, par value $0.01 per share | 140760 | $0.00 | 535,775.0000 | 51,239,470 | 35.63% | 0.27% |
| Nov. 13, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair and CEO | G | Common stock, par value $0.01 per share | 140760 | $0.00 | 535,775.0000 | 51,239,470 | 20.81% | 0.27% |
| May 20, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair | G | Common stock, par value $0.01 per share | 165200 | $0.00 | 535,775.0000 | 54,016,722 | 23.57% | 0.31% |
| May 20, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair | G | Common stock, par value $0.01 per share | 165200 | $0.00 | 535,775.0000 | 54,016,722 | 44.58% | 0.31% |
| Feb. 18, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair | A | Common stock, par value $0.01 per share | 20096 | $0.00 | 535,775.0000 | 54,016,722 | 3.90% | 0.04% |
| Feb. 18, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair | A | Common stock, par value $0.01 per share | 20096 | $0.00 | 515,679.0000 | 54,016,722 | 4.06% | 0.04% |
| Jan. 14, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair | F | Common stock, par value $0.01 per share | 6031 | $101.95 | 520,910.0000 | 0 | 1.14% | 0.00% |
| Jan. 14, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair | F | Common stock, par value $0.01 per share | 5288 | $101.95 | 527,154.0000 | 0 | 0.99% | 0.00% |
| Jan. 14, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair | F | Common stock, par value $0.01 per share | 31571 | $101.95 | 495,583.0000 | 0 | 5.99% | 0.00% |
| Jan. 14, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair | A | Common stock, par value $0.01 per share | 11532 | $0.00 | 532,442.0000 | 0 | 2.21% | 0.00% |
| Jan. 14, 2025 | Core Natural Resources, Inc. | $CNR | Brock James A | Executive Chair | A | Common stock, par value $0.01 per share | 13152 | $0.00 | 526,941.0000 | 0 | 2.56% | 0.00% |
| June 27, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 200 | $100.51 | 529,787.0000 | 0 | 0.04% | 0.00% |
| June 27, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 300 | $101.83 | 529,487.0000 | 0 | 0.06% | 0.00% |
| June 28, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 3100 | $99.79 | 526,387.0000 | 0 | 0.59% | 0.00% |
| June 28, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 4410 | $100.46 | 521,977.0000 | 0 | 0.84% | 0.00% |
| June 28, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 4488 | $101.26 | 517,489.0000 | 0 | 0.86% | 0.00% |
| June 28, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 3700 | $102.29 | 513,789.0000 | 0 | 0.71% | 0.00% |
| June 27, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 400 | $99.36 | 529,987.0000 | 0 | 0.08% | 0.00% |
| June 27, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 800 | $98.56 | 530,837.0000 | 0 | 0.15% | 0.00% |
| May 22, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 5400 | $98.21 | 532,087.0000 | 0 | 1.00% | 0.00% |
| May 23, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | S | Common stock, par value $0.01 per share | 900 | $98.19 | 531,187.0000 | 0 | 0.17% | 0.00% |
| Jan. 31, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | M | Market Share Units | 59101 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Feb. 8, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | F | Common stock, par value $0.01 per share | 11205 | $85.78 | 537,487.0000 | 0 | 2.04% | 0.00% |
| Feb. 7, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | F | Common stock, par value $0.01 per share | 4895 | $83.58 | 548,692.0000 | 0 | 0.88% | 0.00% |
| Feb. 6, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | A | Common stock, par value $0.01 per share | 23065 | $0.00 | 553,587.0000 | 0 | 4.35% | 0.00% |
| Jan. 31, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | F | Common stock, par value $0.01 per share | 3253 | $94.60 | 530,522.0000 | 0 | 0.61% | 0.00% |
| Jan. 31, 2024 | Core Natural Resources, Inc. | $CNR | Brock James A | Chief Executive Officer | A | Common stock, par value $0.01 per share | 7093 | $0.00 | 533,775.0000 | 0 | 1.35% | 0.00% |