Core Natural Resources, Inc. — All Filings
644 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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144
3
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424B3
425
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ARS
CERTNYS
CORRESP
DEF 14A
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EFFECT
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001022 | Mar 26, 2026 | — |
| 4 | 4 | 0001193125-26-124233 | Mar 25, 2026 | Mar 24, 2026 |
| 4 | 4 | 0001193125-26-116954 | Mar 20, 2026 | Mar 19, 2026 |
| 4 | 4 | 0001193125-26-116273 | Mar 19, 2026 | Mar 18, 2026 |
| 144 | — | 0001950047-26-002817 | Mar 19, 2026 | — |
| 4 | 4 | 0001193125-26-115364 | Mar 19, 2026 | Mar 17, 2026 |
| 144 | — | 0001958244-26-000164 | Mar 18, 2026 | — |
| 144 | — | 0001972481-26-000110 | Mar 17, 2026 | — |
| DEFA14A | DEFA14A | 0001710366-26-000018 | Mar 16, 2026 | — |
| DEF 14A | DEF 14A | 0001710366-26-000017 | Mar 16, 2026 | Apr 30, 2026 |
| 4 | 4 | 0001193125-26-101417 | Mar 11, 2026 | Mar 10, 2026 |
| 4 | 4 | 0001193125-26-101400 | Mar 11, 2026 | Mar 10, 2026 |
| 144 | — | 0001969223-26-000333 | Mar 10, 2026 | — |
| 144 | — | 0001972481-26-000097 | Mar 10, 2026 | — |
| 10-K/A | 10-K/A | 0001710366-26-000009 | Feb 27, 2026 | Dec 31, 2025 |
| 4/A | 4/A | 0001193125-26-067563 | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-067549 | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-067530 | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-067517 | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-067503 | Feb 24, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-064091 | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-064052 | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-064044 | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-064041 | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-064029 | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-064020 | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-063990 | Feb 23, 2026 | Feb 17, 2026 |
| 4/A | 4/A | 0001193125-26-063982 | Feb 23, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059989 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059986 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059981 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059980 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059976 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059975 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059974 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059967 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059966 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059962 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059960 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059958 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059957 | Feb 19, 2026 | Feb 17, 2026 |
| 10-K | 10-K | 0001710366-26-000007 | Feb 17, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001710366-26-000005 | Feb 12, 2026 | — |
| 8-K | 8-K | 0001710366-26-000002 | Jan 12, 2026 | Jan 8, 2026 |
| 144 | — | 0001957799-25-000267 | Dec 18, 2025 | — |
| 8-K | 8-K | 0001710366-25-000035 | Dec 18, 2025 | — |
| 4 | 4 | 0001193125-25-283106 | Nov 14, 2025 | Nov 13, 2025 |
| 10-Q | 10-Q | 0001710366-25-000030 | Nov 6, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0001710366-25-000029 | Nov 6, 2025 | — |
| SCHEDULE 13G/A | — | 0000102909-25-000103 | Oct 30, 2025 | — |