Rothka John (CIK 1713960) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-19). Recent activity: Sell CNR (1,000 shares), Sell CNR (3,800 shares), Sell CNR (79 shares), Buy CNR (760 shares), Sell CNR (97 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-19 | Core Natural Resources, Inc. (CNR) | Chief Accounting Officer | Sell | 1,000 | $97,660 |
| 2026-03-11 | Core Natural Resources, Inc. (CNR) | Chief Accounting Officer | Sell | 3,800 | $348,156 |
| 2026-02-23 | Core Natural Resources, Inc. (CNR) | Chief Accounting Officer | Sell | 79 | $7,028 |
| 2026-02-19 | Core Natural Resources, Inc. (CNR) | Chief Accounting Officer | Buy | 760 | $0 |
| 2026-02-19 | Core Natural Resources, Inc. (CNR) | Chief Accounting Officer | Sell | 97 | $8,629 |
| 2025-10-10 | Core Natural Resources, Inc. (CNR) | Chief Accounting Officer | Sell | 1,000 | $95,000 |
| 2025-10-10 | Core Natural Resources, Inc. (CNR) | Chief Accounting Officer | Sell | 1,000 | $100,000 |
| 2025-10-06 | Core Natural Resources, Inc. (CNR) | Chief Accounting Officer | Sell | 2,500 | $225,000 |
Source: SEC Form 4 filings · as of 2026-03-19