John Rothka - 17 Feb 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
17 Feb 2026
Net transactions value
-$8,629
Form type
4
Filing time
19 Feb 2026, 19:56:16 UTC
Previous filing
10 Oct 2025
Next filing
11 Mar 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 19 Feb 2026 0001713960
This filing has been restated, see here for the amended filing

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 Award $0 +760 +8.2% $0.000000 10,067 17 Feb 2026 Direct F1
transaction CNR Common stock, par value $0.01 per share Tax liability $8,629 -97 -0.96% $88.96 9,970 18 Feb 2026 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents a grant of restricted stock units pursuant to the Issuer's Omnibus Performance Incentive Plan, which vest annually in equal installments over a period of three years, beginning on the first anniversary of the grant date. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
F2 Represents shares of common stock withheld to satisfy the Reporting Person's tax liability from the vesting of restricted stock units previously granted to him.
F3 Of the 9,970 shares reported, 1,312 are unvested restricted stock units.