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 |
|---|---|---|---|
| 10-K/A | Amended annual report | Feb 27, 2026 | Dec 31, 2025 |
| 10-K | Annual report | Feb 17, 2026 | Dec 31, 2025 |
| ARS | Annual report to shareholders | Mar 17, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Feb 20, 2025 | Dec 31, 2024 |
| ARS | Annual report to shareholders | Apr 1, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Feb 9, 2024 | Dec 31, 2023 |
| ARS | Annual report to shareholders | Mar 30, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 10, 2023 | Dec 31, 2022 |
| 10-K | Annual report | Feb 11, 2022 | Dec 31, 2021 |
| 10-K | Annual report | Feb 12, 2021 | Dec 31, 2020 |
| 10-K | Annual report | Feb 14, 2020 | Dec 31, 2019 |
| 10-K | Annual report | Feb 8, 2019 | Dec 31, 2018 |
| 10-K | Annual report | Feb 16, 2018 | Dec 31, 2017 |
Showing 13 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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.