# Core Natural Resources, Inc.: filings

CNR · NYSE · CIK 1710366 · [Materials](/sectors/materials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/cnr.md) · [Financials](/companies/cnr/financials.md) · [Filings](/companies/cnr/filings.md) · [Insiders](/companies/cnr/insiders.md)

## Reports and events: 139 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 298, 8-K 88, 3 32, SC 13G/A 32, 10-Q 27, 144 27, SC 13G 22, 425 19, 4/A 16, SCHEDULE 13G/A 10, 10-K 9, DEF 14A 9, DEFA14A 9, UPLOAD 9, CORRESP 8, 10-12B/A 6, ARS 3, S-8 3, SC 13D/A 3, SCHEDULE 13G 3, SD 3, 424B3 2, EFFECT 2, PRE 14A 2, S-4 2, S-4/A 2, 10-12B 1, 10-K/A 1, 8-K/A 1, CERTNYS 1, S-3ASR 1, SC 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-19 | 08:04 ET | [8-K](/filings/0001193125-26-356186.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-356186 |
| 2026-08-06 | 07:07 ET | [10-Q](/filings/0001710366-26-000054.md) | Quarterly report, period 2026-06-30 | 0001710366-26-000054 |
| 2026-08-06 | 07:06 ET | [8-K](/filings/0001710366-26-000053.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-26-000053 |
| 2026-06-04 | 16:48 ET | [8-K](/filings/0001710366-26-000048.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-26-000048 |
| 2026-05-19 | 16:02 ET | [8-K](/filings/0001710366-26-000045.md) | 1.04 Item not in the standard list | 0001710366-26-000045 |
| 2026-05-07 | 07:00 ET | [10-Q](/filings/0001710366-26-000041.md) | Quarterly report, period 2026-03-31 | 0001710366-26-000041 |
| 2026-05-07 | 06:58 ET | [8-K](/filings/0001710366-26-000040.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-26-000040 |
| 2026-05-04 | 16:33 ET | [8-K](/filings/0001710366-26-000034.md) | 1.04 Item not in the standard list | 0001710366-26-000034 |
| 2026-04-30 | 17:06 ET | [8-K](/filings/0001710366-26-000023.md) | 5.07 Shareholder vote results; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-26-000023 |
| 2026-03-16 | 10:08 ET | [DEF 14A](/filings/0001710366-26-000017.md) | Proxy statement, period 2026-04-30 | 0001710366-26-000017 |
| 2026-02-27 | 16:23 ET | [10-K/A](/filings/0001710366-26-000009.md) | Annual report, amended, period 2025-12-31 | 0001710366-26-000009 |
| 2026-02-17 | 17:03 ET | [10-K](/filings/0001710366-26-000007.md) | Annual report, period 2025-12-31 | 0001710366-26-000007 |
| 2026-02-12 | 07:01 ET | [8-K](/filings/0001710366-26-000005.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-26-000005 |
| 2026-01-12 | 17:28 ET | [8-K](/filings/0001710366-26-000002.md) | 1.04 Item not in the standard list | 0001710366-26-000002 |
| 2025-12-18 | 07:08 ET | [8-K](/filings/0001710366-25-000035.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-25-000035 |
| 2025-11-06 | 06:56 ET | [10-Q](/filings/0001710366-25-000030.md) | Quarterly report, period 2025-09-30 | 0001710366-25-000030 |
| 2025-11-06 | 06:54 ET | [8-K](/filings/0001710366-25-000029.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-25-000029 |
| 2025-10-08 | 08:14 ET | [8-K](/filings/0001193125-25-234041.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-234041 |
| 2025-08-05 | 07:16 ET | [10-Q](/filings/0001710366-25-000017.md) | Quarterly report, period 2025-06-30 | 0001710366-25-000017 |
| 2025-08-05 | 06:55 ET | [8-K](/filings/0001193125-25-173024.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-173024 |
| 2025-07-31 | 17:29 ET | [8-K](/filings/0001193125-25-170639.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-25-170639 |
| 2025-06-30 | 07:25 ET | [8-K](/filings/0001193125-25-151981.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-151981 |
| 2025-05-08 | 07:16 ET | [10-Q](/filings/0001710366-25-000014.md) | Quarterly report, period 2025-03-31 | 0001710366-25-000014 |
| 2025-05-08 | 07:00 ET | [8-K](/filings/0001193125-25-115451.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-115451 |
| 2025-04-30 | 16:06 ET | [8-K](/filings/0001193125-25-107138.md) | 5.07 Shareholder vote results | 0001193125-25-107138 |
| 2025-03-28 | 07:22 ET | [8-K](/filings/0001193125-25-066237.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-066237 |
| 2025-03-24 | 17:05 ET | [8-K](/filings/0001193125-25-061433.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-061433 |
| 2025-03-17 | 17:08 ET | [DEF 14A](/filings/0001193125-25-055703.md) | Proxy statement, period 2025-04-29 | 0001193125-25-055703 |
| 2025-02-20 | 07:30 ET | [8-K](/filings/0001193125-25-030102.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-030102 |
| 2025-02-20 | 07:13 ET | [10-K](/filings/0001710366-25-000010.md) | Annual report, period 2024-12-31 | 0001710366-25-000010 |
| 2025-02-20 | 07:02 ET | [8-K](/filings/0001710366-25-000008.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-25-000008 |
| 2025-02-18 | 07:00 ET | [8-K/A](/filings/0001193125-25-028132.md) | 9.01 Financial statements and exhibits | 0001193125-25-028132 |
| 2025-01-16 | 07:37 ET | [8-K](/filings/0001104659-25-003943.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-003943 |
| 2025-01-15 | 17:23 ET | [8-K](/filings/0001193125-25-007135.md) | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 2.03 New direct financial obligation; 3.03 Change to security holders’ rights; 5.02 Departure or appointment of officers or directors; 5.03 Amendment to articles or bylaws; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-007135 |
| 2025-01-10 | 06:30 ET | [8-K](/filings/0001193125-25-004047.md) | 5.07 Shareholder vote results | 0001193125-25-004047 |
| 2025-01-03 | 08:30 ET | [8-K](/filings/0001193125-25-001048.md) | 8.01 Other events | 0001193125-25-001048 |
| 2024-12-06 | 16:31 ET | [8-K](/filings/0001193125-24-272496.md) | 5.02 Departure or appointment of officers or directors | 0001193125-24-272496 |
| 2024-11-12 | 16:06 ET | [8-K](/filings/0001193125-24-255935.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-24-255935 |
| 2024-11-05 | 07:02 ET | [10-Q](/filings/0001710366-24-000031.md) | Quarterly report, period 2024-09-30 | 0001710366-24-000031 |
| 2024-11-05 | 06:57 ET | [8-K](/filings/0001710366-24-000029.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-24-000029 |
| 2024-10-15 | 08:03 ET | [8-K](/filings/0001193125-24-237222.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-237222 |
| 2024-08-21 | 07:07 ET | [8-K](/filings/0001193125-24-204027.md) | 1.01 Entry into a material agreement; 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-204027 |
| 2024-08-08 | 06:56 ET | [10-Q](/filings/0001710366-24-000018.md) | Quarterly report, period 2024-06-30 | 0001710366-24-000018 |
| 2024-08-08 | 06:51 ET | [8-K](/filings/0001710366-24-000016.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-24-000016 |
| 2024-05-07 | 06:56 ET | [10-Q](/filings/0001710366-24-000012.md) | Quarterly report, period 2024-03-31 | 0001710366-24-000012 |
| 2024-05-07 | 06:55 ET | [8-K](/filings/0001710366-24-000011.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-24-000011 |
| 2024-05-06 | 16:44 ET | [8-K](/filings/0001193125-24-131996.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-131996 |
| 2024-04-01 | 16:06 ET | [DEF 14A](/filings/0001193125-24-083353.md) | Proxy statement, period 2024-04-30 | 0001193125-24-083353 |
| 2024-02-09 | 16:47 ET | [10-K](/filings/0001710366-24-000006.md) | Annual report, period 2023-12-31 | 0001710366-24-000006 |
| 2024-02-06 | 06:51 ET | [8-K](/filings/0001710366-24-000003.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001710366-24-000003 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:15 ET. No prices; not investment advice.