0001950047-25-007734.txt : 20251003 0001950047-25-007734.hdr.sgml : 20251003 20251003162818 ACCESSION NUMBER: 0001950047-25-007734 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20251003 DATE AS OF CHANGE: 20251003 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Core Natural Resources, Inc. CENTRAL INDEX KEY: 0001710366 STANDARD INDUSTRIAL CLASSIFICATION: BITUMINOUS COAL & LIGNITE MINING [1220] ORGANIZATION NAME: 01 Energy & Transportation EIN: 000000000 STATE OF INCORPORATION: DC FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38147 FILM NUMBER: 251374310 BUSINESS ADDRESS: STREET 1: 275 TECHNOLOGY DRIVE STREET 2: SUITE #101 CITY: CANONSBURG STATE: PA ZIP: 15317 BUSINESS PHONE: 724-416-8300 MAIL ADDRESS: STREET 1: 275 TECHNOLOGY DRIVE STREET 2: SUITE #101 CITY: CANONSBURG STATE: PA ZIP: 15317 FORMER COMPANY: FORMER CONFORMED NAME: CONSOL Energy Inc. DATE OF NAME CHANGE: 20171128 FORMER COMPANY: FORMER CONFORMED NAME: CONSOL Mining Corp DATE OF NAME CHANGE: 20170626 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Rothka John CENTRAL INDEX KEY: 0001713960 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O CORE NATURAL RESOURCES, INC. STREET 2: 275 TECHNOLOGY DRIVE, SUITE 101 CITY: CANONSBURG STATE: PA ZIP: 15317 144 1 primary_doc.xml 144 0001713960 XXXXXXXX LIVE 0001710366 CORE NATURAL RESOURCES, INC. 001-38147 275 Technology Drive Suite 101 Canonsburg PA 15317 7244168300 JOHN ROTHKA Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

2500 214500.00 51471519 10/03/2025 NYSE Common 12/12/2019 Restricted and Performance Stock Units Issuer N 2500 12/12/2019 N/A Y The securities to be sold were acquired upon the vesting of Restricted and Performance Stock Units during the period of 12/12/2019 through 01/13/2025. 10/03/2025 03/24/2025 /s/ John Rothka