Updated Jul 16, 2026
Rothka John is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $866K.

| Role | Insider |
|---|---|
| Notability | 30/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-19 | CNR | Core Natural Resources, Inc. | S — Open-market sale | 1.0K | $97.66 | $98K |
| 2026-03-11 | CNR | Core Natural Resources, Inc. | S — Open-market sale | 3.8K | $91.62 | $348K |
| 2026-02-23 | CNR | Core Natural Resources, Inc. | F — Tax withholding / forfeiture | 79 | $88.96 | $7K |
| 2026-02-20 | CNR | Core Natural Resources, Inc. | F — Tax withholding / forfeiture | 97 | $88.96 | $9K |
| 2026-02-20 | CNR | Core Natural Resources, Inc. | A — Grant or award | 760 | $0.00 | |
| 2025-10-08 | CNR | Core Natural Resources, Inc. | S — Open-market sale | 1.0K | $100.00 | $100K |
| 2025-10-08 | CNR | Core Natural Resources, Inc. | S — Open-market sale | 1.0K | $95.00 | $95K |
| 2025-10-03 | CNR | Core Natural Resources, Inc. | S — Open-market sale | 2.5K | $90.00 | $225K |
Rothka John is a corporate insider — currently tracked as Insider. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 0 open-market purchases () and 5 open-market sales ($866K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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