Form 8-K - Current report:
SEC Accession No. 0001193125-25-234041
Filing Date
2025-10-08
Accepted
2025-10-08 08:14:15
Documents
14
Period of Report
2025-10-06
Items
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d66172d8k.htm   iXBRL 8-K 27916
2 EX-99.1 d66172dex991.htm EX-99.1 14171
6 GRAPHIC g66172g1008033731851.jpg GRAPHIC 2984
  Complete submission text file 0001193125-25-234041.txt   168834

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA cnr-20251006.xsd EX-101.SCH 2872
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE cnr-20251006_lab.xml EX-101.LAB 17992
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE cnr-20251006_pre.xml EX-101.PRE 11276
16 EXTRACTED XBRL INSTANCE DOCUMENT d66172d8k_htm.xml XML 3631
Mailing Address 275 TECHNOLOGY DRIVE SUITE #101 CANONSBURG PA 15317
Business Address 275 TECHNOLOGY DRIVE SUITE #101 CANONSBURG PA 15317 724-416-8300
Core Natural Resources, Inc. (Filer) CIK: 0001710366 (see all company filings)

EIN.: 000000000 | State of Incorp.: DC | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-38147 | Film No.: 251381263
SIC: 1220 Silver Ores
(CF Office: 01 Energy & Transportation)