Form 8-K - Current report:
SEC Accession No. 0001710366-25-000035
Filing Date
2025-12-18
Accepted
2025-12-18 07:08:51
Documents
14
Period of Report
2025-12-18
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K cnr-20251218.htm   iXBRL 8-K 23765
2 EX-99.1 cnr8-k12182025xexhibit991.htm EX-99.1 17288
6 GRAPHIC corelogoa.jpg GRAPHIC 5149
  Complete submission text file 0001710366-25-000035.txt   172761

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT cnr-20251218.xsd EX-101.SCH 1818
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT cnr-20251218_lab.xml EX-101.LAB 22548
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT cnr-20251218_pre.xml EX-101.PRE 13071
16 EXTRACTED XBRL INSTANCE DOCUMENT cnr-20251218_htm.xml XML 2813
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
SIC: 1220 Silver Ores
(CF Office: 01 Energy & Transportation)