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 |
|---|---|---|---|
| DEFA14A | Additional proxy material | Mar 16, 2026 | — |
| DEF 14A | Proxy statement | Mar 16, 2026 | Apr 30, 2026 |
| DEFA14A | Additional proxy material | Mar 17, 2025 | — |
| DEF 14A | Proxy statement | Mar 17, 2025 | Apr 29, 2025 |
| DEF 14A | Proxy statement | Apr 1, 2024 | Apr 30, 2024 |
| PRE 14A | Preliminary proxy statement | Mar 18, 2024 | Apr 30, 2024 |
| DEF 14A | Proxy statement | Mar 30, 2023 | — |
| DEFA14A | Additional proxy material | Apr 18, 2022 | — |
| DEFA14A | Additional proxy material | Mar 17, 2022 | — |
| DEF 14A | Proxy statement | Mar 17, 2022 | Apr 26, 2022 |
| DEFA14A | Additional proxy material | Mar 19, 2021 | — |
| DEF 14A | Proxy statement | Mar 19, 2021 | Apr 28, 2021 |
| DEFA14A | Additional proxy material | Apr 27, 2020 | — |
| DEFA14A | Additional proxy material | Mar 27, 2020 | — |
| DEF 14A | Proxy statement | Mar 27, 2020 | May 8, 2020 |
| PRE 14A | Preliminary proxy statement | Mar 16, 2020 | May 8, 2020 |
| DEFA14A | Additional proxy material | Mar 27, 2019 | — |
| DEF 14A | Proxy statement | Mar 27, 2019 | May 8, 2019 |
| DEFA14A | Additional proxy material | Mar 28, 2018 | — |
| DEF 14A | Proxy statement | Mar 28, 2018 | May 9, 2018 |
Showing 20 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.