Core Natural Resources, Inc. SEC filings CNR
Core Natural Resources, Inc. has 667 filings in SEC EDGAR's recent list, going back to Jul 11, 2017. Its latest annual report, Form 10-K, was filed on Feb 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2026 | — |
| 3 | Initial insider ownership | Aug 20, 2026 | Aug 18, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 12, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 6, 2026 | — |
| 4 | Insider transaction | May 1, 2026 | Apr 30, 2026 |
| 4 | Insider transaction | May 1, 2026 | Apr 30, 2026 |
| 3 | Initial insider ownership | May 1, 2026 | Apr 30, 2026 |
| 3 | Initial insider ownership | May 1, 2026 | Apr 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 25, 2026 | Mar 24, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 19, 2026 | Mar 18, 2026 |
| 144 | Notice of proposed sale | Mar 19, 2026 | — |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 2026 |
| 144 | Notice of proposed sale | Mar 18, 2026 | — |
| 144 | Notice of proposed sale | Mar 17, 2026 | — |
| 4 | Insider transaction | Mar 11, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 11, 2026 | Mar 10, 2026 |
| 144 | Notice of proposed sale | Mar 10, 2026 | — |
| 144 | Notice of proposed sale | Mar 10, 2026 | — |
| 4/A | Filing | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | Filing | Feb 23, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 17, 2026 |
| 144 | Notice of proposed sale | Dec 18, 2025 | — |
| 4 | Insider transaction | Nov 14, 2025 | Nov 13, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 10, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2025 | — |
| 4 | Insider transaction | Oct 10, 2025 | Oct 8, 2025 |
| 144 | Notice of proposed sale | Oct 9, 2025 | — |
| 144 | Notice of proposed sale | Oct 8, 2025 | — |
| 4 | Insider transaction | Oct 6, 2025 | Oct 3, 2025 |
| 144 | Notice of proposed sale | Oct 3, 2025 | — |
| 4 | Insider transaction | Sep 26, 2025 | Sep 25, 2025 |
| 144 | Notice of proposed sale | Sep 25, 2025 | — |
| 4 | Insider transaction | Sep 18, 2025 | Sep 17, 2025 |
| 144 | Notice of proposed sale | Sep 17, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 6, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 15, 2025 | — |
| 4 | Insider transaction | May 22, 2025 | May 20, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 13, 2025 | — |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 12, 2025 | — |
| 4 | Insider transaction | Apr 2, 2025 | Mar 31, 2025 |
| 144 | Notice of proposed sale | Mar 31, 2025 | — |
| 144 | Notice of proposed sale | Feb 21, 2025 | — |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 7, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 23, 2025 | — |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 3 | Initial insider ownership | Jan 16, 2025 | Jan 14, 2025 |
| 3 | Initial insider ownership | Jan 16, 2025 | Jan 14, 2025 |
| 3 | Initial insider ownership | Jan 16, 2025 | Jan 14, 2025 |
| 3 | Initial insider ownership | Jan 16, 2025 | Jan 14, 2025 |
| 3 | Initial insider ownership | Jan 16, 2025 | Jan 14, 2025 |
| 3 | Initial insider ownership | Jan 16, 2025 | Jan 14, 2025 |
| 3 | Initial insider ownership | Jan 16, 2025 | Jan 14, 2025 |
| 3 | Initial insider ownership | Jan 16, 2025 | Jan 14, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 8, 2025 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| 4 | Insider transaction | Jul 1, 2024 | Jun 27, 2024 |
| 144 | Notice of proposed sale | Jun 28, 2024 | — |
| 144 | Notice of proposed sale | Jun 27, 2024 | — |
| 4 | Insider transaction | May 24, 2024 | May 22, 2024 |
| 144 | Notice of proposed sale | May 23, 2024 | — |
| 144 | Notice of proposed sale | May 22, 2024 | — |
| 4 | Insider transaction | May 9, 2024 | May 7, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 7, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 7, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 7, 2024 |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 144 | Notice of proposed sale | Mar 7, 2024 | — |
| 4 | Insider transaction | Feb 15, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Jan 31, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| 4 | Insider transaction | Feb 9, 2024 | Feb 7, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2024 | — |
| 4 | Insider transaction | Dec 22, 2023 | Dec 20, 2023 |
| 4 | Insider transaction | Dec 20, 2023 | Dec 18, 2023 |
| 4 | Insider transaction | Dec 20, 2023 | Dec 18, 2023 |
| 144 | Notice of proposed sale | Dec 20, 2023 | — |
| 144 | Notice of proposed sale | Dec 19, 2023 | — |
| 144 | Notice of proposed sale | Dec 18, 2023 | — |
| 144 | Notice of proposed sale | Dec 18, 2023 | — |
| 4 | Insider transaction | Sep 19, 2023 | Sep 15, 2023 |
| 144 | Notice of proposed sale | Sep 15, 2023 | — |
| 4 | Insider transaction | Aug 16, 2023 | Aug 14, 2023 |
| 4 | Insider transaction | Aug 15, 2023 | Aug 11, 2023 |
| 4 | Insider transaction | Aug 14, 2023 | Aug 10, 2023 |
| 4 | Insider transaction | Aug 14, 2023 | Aug 10, 2023 |
| 144 | Notice of proposed sale | Aug 11, 2023 | — |
| 144 | Notice of proposed sale | Aug 10, 2023 | — |
| 144 | Notice of proposed sale | Aug 10, 2023 | — |
| 4 | Insider transaction | May 4, 2023 | May 2, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 2, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 2, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 2, 2023 |
| 4 | Insider transaction | May 4, 2023 | May 2, 2023 |
| 144 | Notice of proposed sale | Apr 26, 2023 | — |
| 4 | Insider transaction | Mar 24, 2023 | Mar 22, 2023 |
| 4 | Insider transaction | Mar 24, 2023 | Mar 22, 2023 |
| 3 | Initial insider ownership | Mar 24, 2023 | Mar 22, 2023 |
| 3 | Initial insider ownership | Mar 24, 2023 | Mar 22, 2023 |
| 4 | Insider transaction | Mar 7, 2023 | Mar 3, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| 4 | Insider transaction | Feb 13, 2023 | Feb 11, 2023 |
| 4 | Insider transaction | Feb 13, 2023 | Feb 11, 2023 |
| 4 | Insider transaction | Feb 13, 2023 | Feb 11, 2023 |
| 4 | Insider transaction | Feb 13, 2023 | Feb 11, 2023 |
| 4 | Insider transaction | Feb 13, 2023 | Feb 11, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| 4 | Insider transaction | Feb 9, 2023 | Feb 7, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2023 | — |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 1, 2023 | — |
| 4 | Insider transaction | Dec 5, 2022 | Dec 1, 2022 |
| 4 | Insider transaction | Dec 1, 2022 | Nov 29, 2022 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Silver Ores (SIC 1220)
- Listed as
- CNR (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DC
- Headquarters
- Canonsburg, PA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1710366
- Former names
- CONSOL Energy Inc. (until Jan 10, 2025); CONSOL Mining Corp (until Nov 22, 2017)
Other Silver Ores companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.