Paul A. Lang - May 9, 2025 Form 4 Insider Report for Core Natural Resources, Inc. (CNR)

Role: Chief Executive Officer, Director
Signature: /s/ Rosemary L. Klein, as Attorney-in-Fact for Paul A. Lang
Stock symbol: CNR
Transactions as of: May 9, 2025
Transactions value $: $502,125
Form type: 4
Date filed: 5/12/2025, 04:10 PM
Previous filing: Feb 20, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lang Paul A	Chief Executive Officer, Director	275 TECHNOLOGY DRIVE, SUITE 101, CANONSBURG	/s/ Rosemary L. Klein, as Attorney-in-Fact for Paul A. Lang	2025-05-12	0001382977

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CNR	Common stock, par value $0.01 per share	Purchase	$502K	+7.5K	+2.25%	$66.95	341K	May 9, 2025	Direct	F1, F2

Showing 1 to 1 of 1 entries

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction was executed in multiple trades at prices ranging from $66.88 to $66.96 per share. The price reported above reflects the weighted average purchase price on the date indicated. The Reporting Person hereby undertakes to provide upon request to the Securities Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each price within the ranges set forth in footnote (1) to this Form 4.
F2	Of the 341,062 shares reported, 40,192 are unvested restricted stock units.

Content

This transaction was executed in multiple trades at prices ranging from $66.88 to $66.96 per share. The price reported above reflects the weighted average purchase price on the date indicated. The Reporting Person hereby undertakes to provide upon request to the Securities Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares purchased at each price within the ranges set forth in footnote (1) to this Form 4.

Of the 341,062 shares reported, 40,192 are unvested restricted stock units.