Form 8-K - Current report:
SEC Accession No. 0001104659-25-003943
Filing Date
2025-01-16
Accepted
2025-01-16 07:37:07
Documents
15
Period of Report
2025-01-16
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K tm253501d1_8k.htm   iXBRL 8-K 26310
2 EXHIBIT 99.1 tm253501d1_ex99-1.htm EX-99.1 12365
6 GRAPHIC tm253501d1_ex99-1img001.jpg GRAPHIC 6021
  Complete submission text file 0001104659-25-003943.txt   223613

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA arch-20250116.xsd EX-101.SCH 3015
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE arch-20250116_lab.xml EX-101.LAB 34240
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE arch-20250116_pre.xml EX-101.PRE 22359
17 EXTRACTED XBRL INSTANCE DOCUMENT tm253501d1_8k_htm.xml XML 3571
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.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-38147 | Film No.: 25534322
SIC: 1220 Silver Ores
(CF Office: 01 Energy & Transportation)