Miteshkumar Thakkar - 17 Feb 2026 Form 4 Insider Report for Core Natural Resources, Inc. (CNR)

Role
President & CFO
Signature
/s/ Rosemary L. Klein, Attorney-in-Fact for Miteshkumar Thakkar
Issuer symbol
CNR
Transactions as of
17 Feb 2026
Net transactions value
-$180,500
Form type
4
Filing time
19 Feb 2026, 20:03:46 UTC
Previous filing
20 Feb 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Thakkar Miteshkumar President & CFO 275 TECHNOLOGY DRIVE, SUITE 101, CANONSBURG /s/ Rosemary L. Klein, Attorney-in-Fact for Miteshkumar Thakkar 19 Feb 2026 0001799593
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 +8,730 +16% $0.000000 63,686 17 Feb 2026 Direct F1
transaction CNR Common stock, par value $0.01 per share Tax liability $71,702 -806 -1.3% $88.96 62,880 18 Feb 2026 Direct F2
transaction CNR Common stock, par value $0.01 per share Tax liability $108,798 -1,223 -1.9% $88.96 61,657 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 61,657 shares reported, 18,620 are unvested restricted stock units.