James A. Brock - 24 Mar 2026 Form 4 Insider Report for Core Natural Resources, Inc. (CNR)

Role
Executive Chair and CEO, Director
Signature
/s/ Rosemary L. Klein, as Attorney-in-Fact for James A. Brock
Issuer symbol
CNR
Transactions as of
24 Mar 2026
Net transactions value
$0
Form type
4
Filing time
25 Mar 2026, 16:35:41 UTC
Previous filing
19 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brock James A Executive Chair and CEO, Director 275 TECHNOLOGY DRIVE, SUITE 101, CANONSBURG /s/ Rosemary L. Klein, as Attorney-in-Fact for James A. Brock 25 Mar 2026 0001620612

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 Gift -24,440 -100% $0.000000* 0 24 Mar 2026 By Lee Ann Brock Trust F1
transaction CNR Common stock, par value $0.01 per share Gift +24,440 +9.2% $0.000000* 291,415 24 Mar 2026 Direct F2, F3
holding CNR Common stock, par value $0.01 per share 100,000 24 Mar 2026 By SLAT-1
holding CNR Common stock, par value $0.01 per share 117,398 24 Mar 2026 By GRAT-1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This disposition was made in connection with a gift under a long-term strategy for estate planning purposes.
F2 This acquisition was made in connection with a gift under a long-term strategy for estate planning purposes.
F3 Of the 291,415 shares reported, 44,640 are unvested restricted stock units.