Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001193125-26-101417
Filing Date
2026-03-11
Accepted
2026-03-11 11:40:47
Documents
1
Period of Report
2026-03-10

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 3736
  Complete submission text file 0001193125-26-101417.txt   5420
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. (Issuer) 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)

Mailing Address C/O CORE NATURAL RESOURCES, INC. 275 TECHNOLOGY DRIVE, SUITE 101 CANONSBURG PA 15317
Business Address
Rothka John (Reporting) CIK: 0001713960 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38147 | Film No.: 26742125