John Rothka - 10 Mar 2026 Form 4 Insider Report for Core Natural Resources, Inc. (CNR)

Role
Chief Accounting Officer
Signature
/s/ Rosemary L. Klein, Attorney-in-Fact for John Rothka
Issuer symbol
CNR
Transactions as of
10 Mar 2026
Net transactions value
-$348,156
Form type
4
Filing time
11 Mar 2026, 11:40:47 UTC
Previous filing
23 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Rothka John Chief Accounting Officer 275 TECHNOLOGY DRIVE, SUITE 101, CANONSBURG /s/ Rosemary L. Klein, Attorney-in-Fact for John Rothka 11 Mar 2026 0001713960

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 Sale $348,156 -3,800 -38% $91.62 6,190 10 Mar 2026 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.25 to $91.75, inclusive. The reporting person undertakes to provide to Core Natural Resources, Inc., any security holder of Core Natural Resources, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.
F2 Of the 6,190 shares reported, 1,314 are unvested restricted stock units.