CNR
Core Natural Resources, Inc. has filed 655 documents with the SEC between 2017 and 2026. The most frequent type is insider trade (298 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Major company event | 8-K | 2026-05-19 | 2026-05-13 |
| SCHEDULE 13G | - | 2026-05-12 | - |
| Quarterly report | 10-Q | 2026-05-07 | 2026-03-31 |
| Major company event | 8-K | 2026-05-07 | 2026-05-07 |
| SCHEDULE 13G/A | - | 2026-05-06 | - |
| Major company event | 8-K | 2026-05-04 | 2026-04-29 |
| Insider trade | 4 | 2026-05-01 | 2026-04-30 |
| New insider ownership | 3 | 2026-05-01 | 2026-04-30 |
| New insider ownership | 3 | 2026-05-01 | 2026-04-30 |
| Insider trade | 4 | 2026-05-01 | 2026-04-30 |
| Major company event | 8-K | 2026-04-30 | 2026-04-30 |
| SCHEDULE 13G | - | 2026-04-29 | - |
| SCHEDULE 13G | - | 2026-04-29 | - |
| SCHEDULE 13G/A | - | 2026-03-26 | - |
| Insider trade | 4 | 2026-03-25 | 2026-03-24 |
| Insider trade | 4 | 2026-03-20 | 2026-03-19 |
| Insider sale notice | 144 | 2026-03-19 | - |
| Insider trade | 4 | 2026-03-19 | 2026-03-18 |
| Insider trade | 4 | 2026-03-19 | 2026-03-17 |
| Insider sale notice | 144 | 2026-03-18 | - |
| Insider sale notice | 144 | 2026-03-17 | - |
| Proxy materials | DEFA14A | 2026-03-16 | - |
| Proxy statement | DEF 14A | 2026-03-16 | 2026-04-30 |
| Insider trade | 4 | 2026-03-11 | 2026-03-10 |
| Insider trade | 4 | 2026-03-11 | 2026-03-10 |
| Insider sale notice | 144 | 2026-03-10 | - |
| Insider sale notice | 144 | 2026-03-10 | - |
| Annual report (amended) | 10-K/A | 2026-02-27 | 2025-12-31 |
| Insider trade (amended) | 4/A | 2026-02-24 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-24 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-24 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-24 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-24 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-23 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-23 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-23 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-23 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-23 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-23 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-23 | 2026-02-17 |
| Insider trade (amended) | 4/A | 2026-02-23 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |
| Insider trade | 4 | 2026-02-19 | 2026-02-17 |