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 |
|---|---|---|---|
| 424B3 | Prospectus | Nov 26, 2024 | — |
| S-4/A | Filing | Nov 18, 2024 | — |
| S-4 | Registration for a merger or exchange | Oct 1, 2024 | — |
| S-3ASR | Automatic shelf registration | Feb 11, 2022 | — |
| S-8 | Employee stock plan registration | Dec 31, 2020 | — |
| 424B3 | Prospectus | Nov 30, 2020 | — |
| S-4/A | Filing | Nov 27, 2020 | — |
| S-4 | Registration for a merger or exchange | Nov 13, 2020 | — |
| S-8 | Employee stock plan registration | May 11, 2020 | — |
| S-8 | Employee stock plan registration | Nov 22, 2017 | — |
Showing 10 filings. 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.