Schuller George John JR (CIK 1702125) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-19). Recent activity: Buy CNR (7,530 shares), Sell CNR (713 shares), Sell CNR (1,069 shares), Buy CNR (7,497 shares), Buy CNR (7,497 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-19 | Core Natural Resources, Inc. (CNR) | SVP, Chief Operating Officer | Buy | 7,530 | $0 |
| 2026-02-19 | Core Natural Resources, Inc. (CNR) | SVP, Chief Operating Officer | Sell | 713 | $63,428 |
| 2026-02-19 | Core Natural Resources, Inc. (CNR) | SVP, Chief Operating Officer | Sell | 1,069 | $95,098 |
| 2025-02-20 | Core Natural Resources, Inc. (CNR) | SVP, Chief Operating Officer | Buy | 7,497 | $0 |
| 2025-02-20 | Core Natural Resources, Inc. (CNR) | SVP, Chief Operating Officer | Buy | 7,497 | $0 |
| 2025-01-16 | Core Natural Resources, Inc. (CNR) | SVP, Chief Operating Officer | Buy | 6,596 | $0 |
Source: SEC Form 4 filings · as of 2026-02-19