QUODD

Insider Transactions last 24 months for Core Natural Resources, Inc. - NYSE: CNR

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Kriegshauser Patrick A	Director	09/17/2025	DS	Direct	COM	3,043	$77.07	$234,524.01	23,348
Brock James A	Executive Chair	05/20/2025	AG	Indirect	COM	165,200	$0.00	$0.00	165,200
Brock James A	Executive Chair	05/20/2025	DG	Direct	COM	165,200	$0.00	$0.00	370,575
Lang Paul A	Chief Executive Officer	05/09/2025	AP	Direct	COM	7,500	$66.95	$502,125.00	341,062
Koeppel Holly K	Director	03/31/2025	DS	Direct	COM	4,044	$75.68	$306,049.92	13,348
Koeppel Holly K	Director	03/31/2025	DS	Direct	COM	4,771	$74.97	$357,681.87	17,392
Platt Joseph P Jr	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	39,038
Platt Joseph P Jr	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	37,364
Klein Rosemary L	SVP, CLO & Corp. Sec.	02/18/2025	AA	Direct	COM	5,124	$0.00	$0.00	64,850
Klein Rosemary L	SVP, CLO & Corp. Sec.	02/18/2025	AA	Direct	COM	5,124	$0.00	$0.00	59,726
Schuller George John Jr	SVP, Chief Operating Officer	02/18/2025	AA	Direct	COM	7,497	$0.00	$0.00	21,590
Schuller George John Jr	SVP, Chief Operating Officer	02/18/2025	AA	Direct	COM	7,497	$0.00	$0.00	14,093
Slone Deck	SVP, Strategy & Public Policy	02/18/2025	AA	Direct	COM	5,024	$0.00	$0.00	66,365
Slone Deck	SVP, Strategy & Public Policy	02/18/2025	AA	Direct	COM	5,024	$0.00	$0.00	61,341
Rothka John	Chief Accounting Officer	02/18/2025	AA	Direct	COM	828	$0.00	$0.00	13,807
Salvatori Kurt R.	SVP, Chief Admin. Officer	02/18/2025	AA	Direct	COM	4,823	$0.00	$0.00	20,913
Salvatori Kurt R.	SVP, Chief Admin. Officer	02/18/2025	AA	Direct	COM	4,823	$0.00	$0.00	16,090
Pan Cassandra Chia-Wei	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	7,707
Pan Cassandra Chia-Wei	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	6,033
Kriegshauser Patrick A	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	26,391
Kriegshauser Patrick A	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	24,717
Koeppel Holly K	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	22,163
Koeppel Holly K	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	20,489
Perera Valli	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	7,707
Perera Valli	Director	02/18/2025	AA	Direct	COM	1,674	$0.00	$0.00	6,033

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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security \| D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) \| E = Expiration of short derivative position \| F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. \| G = Gift \| H = Expiration (or cancellation) of long derivative position with value received \| I = Discretionary transaction in accordance with Rule 16b-3(f) \| J = Other \| L = Small acquisition under Rule 16a-6 \| M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 \| O = Exercise of out-of-the-money derivative security \| P = Open market or private purchase \| S = Open market or private sale \| U = Disposition pursuant to a tender of shares in a change of control transaction \| W = Acquisition or disposition by will or the laws of descent and distribution \| X = Exercise of in-the-money or at-the-money derivative security \| Z = Deposit into or withdrawal from voting trust		Send to Excel

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Kriegshauser Patrick A	Director	09/17/2025	DS	Direct	COM	3,043	$77.07	$234,524.01	23,348
Brock James A	Executive Chair	05/20/2025	DG	Direct	COM	165,200	$0.00	$0.00	370,575
Koeppel Holly K	Director	03/31/2025	DS	Direct	COM	4,044	$75.68	$306,049.92	13,348
Koeppel Holly K	Director	03/31/2025	DS	Direct	COM	4,771	$74.97	$357,681.87	17,392
Rothka John	Chief Accounting Officer	01/14/2025	DF	Direct	COM	849	$101.95	$86,555.55	12,979
Rothka John	Chief Accounting Officer	01/14/2025	DF	Direct	COM	147	$101.95	$14,986.65	13,828
Rothka John	Chief Accounting Officer	01/14/2025	DF	Direct	COM	140	$101.95	$14,273.00	13,460
Thakkar Miteshkumar	President & CFO	01/14/2025	DF	Direct	COM	8,870	$101.95	$904,296.50	38,000
Thakkar Miteshkumar	President & CFO	01/14/2025	DF	Direct	COM	2,035	$101.95	$207,468.25	46,870
Thakkar Miteshkumar	President & CFO	01/14/2025	DF	Direct	COM	1,714	$101.95	$174,742.30	44,220
Brock James A	Executive Chair	01/14/2025	DF	Direct	COM	31,571	$101.95	$3,218,663.45	495,583
Brock James A	Executive Chair	01/14/2025	DF	Direct	COM	5,288	$101.95	$539,111.60	527,154
Brock James A	Executive Chair	01/14/2025	DF	Direct	COM	6,031	$101.95	$614,860.45	520,910
Braithwaite Robert J. Jr.	SVP, Marketing & Sales	01/14/2025	DF	Direct	COM	2,148	$101.95	$218,988.60	6,220
Braithwaite Robert J. Jr.	SVP, Marketing & Sales	01/14/2025	DF	Direct	COM	526	$101.95	$53,625.70	8,368
Braithwaite Robert J. Jr.	SVP, Marketing & Sales	01/14/2025	DF	Direct	COM	480	$101.95	$48,936.00	7,684
Salvatori Kurt R.	SVP, Chief Admin. Officer	01/14/2025	DF	Direct	COM	4,597	$101.95	$468,664.15	11,267
Salvatori Kurt R.	SVP, Chief Admin. Officer	01/14/2025	DF	Direct	COM	940	$101.95	$95,833.00	15,864
Salvatori Kurt R.	SVP, Chief Admin. Officer	01/14/2025	DF	Direct	COM	868	$101.95	$88,492.60	14,640