Core Natural Resources, Inc. has filed 647 documents with the SEC available on Filing Fan. Browse annual reports (10-K), quarterly reports (10-Q), earnings releases (8-K), proxy statements, and more on Filing Fan. Filing Fan provides income statements, balance sheets, cash flow statements, and segment data parsed directly from EDGAR filings. All financial data is sourced from publicly available SEC regulatory filings.
| Form | Date | Description |
|---|---|---|
| 8-K | 2026-06-04 | Regulation FD Disclosure; Financial Statements and Exhibits |
| 8-K | 2026-05-19 | Mine Safety - Reporting of Shutdowns and Patterns of Violations |
| SC 13G | 2026-05-12 | Beneficial Ownership Report (Passive) |
| 8-K | 2026-05-07 | Results of Operations and Financial Condition; Regulation FD Disclosure |
| 10-Q | 2026-05-07 | Quarterly Report |
| SC 13G/A | 2026-05-06 | Beneficial Ownership Report (Passive, Amended) |
| 8-K | 2026-05-04 | Mine Safety - Reporting of Shutdowns and Patterns of Violations |
| 4 | 2026-05-01 | Statement of Changes in Beneficial Ownership |
| 3 | 2026-05-01 | Initial Statement of Beneficial Ownership |
| 3 | 2026-05-01 | Initial Statement of Beneficial Ownership |