CNR
Core Natural Resources, Inc.
Core Natural Resources, Inc. (CNR) has 10 SEC Form 4 filings (12 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: May 1, 2026.
Insiders have net sold $6.7M over the trailing 6 months.
- Industry:Coal
- CEO:James A. Brock
- Employees:4,850
- HQ:Canonsburg, PA, US
- IPO:2017-11-14
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$6.7M
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Market Cap
$4.0B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
Klein Rosemary LFirst filing | SVP, CLO & Corp. Sec. | Sale | 15,000 | $1.6M | Mar 20 | SEC ↗ |
| Chief Accounting Officer | Sale | 1,000 | $98K | Mar 19 | SEC ↗ | |
Brock James AFirst filing | Executive Chair and CEO | Sale | 40,760 | $4.1M | Mar 19 | SEC ↗ |
Rothka JohnFirst filing | Chief Accounting Officer | Sale | 3,800 | $348K | Mar 11 | SEC ↗ |
NAVARRE RICHARD AFirst filing | Director | Sale | 6,000 | $550K | Mar 11 | SEC ↗ |
Related companies
Core Natural Resources, Inc. is in the Mining sector.