Core Natural Resources CNR SEC Filings

NYSE CNR
$87.61 +0.30 (+0.34%)
As of: Oct 21, 2026 · 3:59 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Core Natural Resources, Inc. (CNR) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
1SDOthers0001710366-26-000062Sep 23, 2026 5:04 PM
23Insider Transaction0001710366-26-000057Aug 20, 2026 3:18 PM
38-KCurrent Report0001193125-26-356186Aug 19, 2026 12:04 PM
4SCHEDULE 13GBeneficial Ownership Report0000315066-26-001982Aug 6, 2026 2:20 PM
510-QQuarterly & Annual Report0001710366-26-000054Aug 6, 2026 11:07 AM
68-KCurrent Report0001710366-26-000053Aug 6, 2026 11:06 AM
78-KCurrent Report0001710366-26-000048Jun 4, 2026 8:48 PM
88-KCurrent Report0001710366-26-000045May 19, 2026 8:02 PM
9SCHEDULE 13GBeneficial Ownership Report0000093751-26-000225May 12, 2026 2:36 PM
1010-QQuarterly & Annual Report0001710366-26-000041May 7, 2026 11:00 AM
118-KCurrent Report0001710366-26-000040May 7, 2026 10:58 AM
12SCHEDULE 13GBeneficial Ownership Report0000315066-26-001162May 6, 2026 3:13 PM
13SCHEDULE 13GBeneficial Ownership Report0000315066-26-001162May 6, 2026 3:13 PM
148-KCurrent Report0001710366-26-000034May 4, 2026 8:33 PM
154Insider Transaction0001353838-26-000005May 1, 2026 3:10 PM
164Insider Transaction0001710366-26-000031May 1, 2026 3:09 PM
174Insider Transaction0001710366-26-000031May 1, 2026 3:09 PM
184Insider Transaction0001710366-26-000031May 1, 2026 3:09 PM
193Insider Transaction0001710366-26-000028May 1, 2026 2:22 PM
203Insider Transaction0001710366-26-000026May 1, 2026 2:18 PM
213Insider Transaction0001710366-26-000026May 1, 2026 2:18 PM
223Insider Transaction0001710366-26-000026May 1, 2026 2:18 PM
238-KCurrent Report0001710366-26-000023Apr 30, 2026 5:06 PM
24SCHEDULE 13GBeneficial Ownership Report0002100119-26-000283Apr 29, 2026 9:36 PM
25SCHEDULE 13GBeneficial Ownership Report0002100121-26-000306Apr 29, 2026 4:55 PM
26SCHEDULE 13GBeneficial Ownership Report0000102909-26-001022Mar 26, 2026 9:39 PM
274Insider Transaction0001193125-26-124233Mar 25, 2026 8:35 PM
284Insider Transaction0001193125-26-124233Mar 25, 2026 8:35 PM
294Insider Transaction0001193125-26-124233Mar 25, 2026 8:35 PM
304Insider Transaction0001193125-26-116954Mar 20, 2026 2:27 PM
314Insider Transaction0001193125-26-116954Mar 20, 2026 2:27 PM
324Insider Transaction0001193125-26-116954Mar 20, 2026 2:27 PM
334Insider Transaction0001193125-26-116273Mar 19, 2026 9:42 PM
34144Insider Transaction0001950047-26-002817Mar 19, 2026 8:06 PM
35144Insider Transaction0001950047-26-002817Mar 19, 2026 8:06 PM
36144Insider Transaction0001950047-26-002817Mar 19, 2026 8:06 PM
374Insider Transaction0001193125-26-115364Mar 19, 2026 2:58 PM
384Insider Transaction0001193125-26-115364Mar 19, 2026 2:58 PM
394Insider Transaction0001193125-26-115364Mar 19, 2026 2:58 PM
40144Insider Transaction0001958244-26-000164Mar 18, 2026 10:02 PM
41144Insider Transaction0001972481-26-000110Mar 17, 2026 8:03 PM
42DEFA14AOthers0001710366-26-000018Mar 16, 2026 2:09 PM
43DEF 14AOthers0001710366-26-000017Mar 16, 2026 2:08 PM
444Insider Transaction0001193125-26-101417Mar 11, 2026 3:40 PM
454Insider Transaction0001193125-26-101400Mar 11, 2026 3:33 PM
464Insider Transaction0001193125-26-101400Mar 11, 2026 3:33 PM
474Insider Transaction0001193125-26-101400Mar 11, 2026 3:33 PM
48144Insider Transaction0001969223-26-000333Mar 10, 2026 8:15 PM
49144Insider Transaction0001969223-26-000333Mar 10, 2026 8:15 PM
50144Insider Transaction0001969223-26-000333Mar 10, 2026 8:15 PM
...

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