Form 4 for CNR Core Natural Resources, Inc.

Accepted 2026-02-19 00:00:00 ET · period of report 2026-02-17 · accession 0001193125-26-059960 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2026-02-19	2026-02-18	CNR	Brock James A	CEO, Executive COB, Dir	F - Tax	$88.96	-70.8K	271.4K	-21%	-$6.30M
	2026-02-19	2026-02-17	CNR	Brock James A	CEO, Executive COB, Dir	A - Grant	$0.00	+21.2K	274.4K	+8%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common stock, par value $0.01 per share	2026-02-18	F	D	4,440	$88.96	266,967	D	—	—	(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 266,967 shares reported, 44,632 are unvested restricted stock units.
2	Common	Common stock, par value $0.01 per share	2026-02-17	A	A	21,190	$0.00	274,367	D	—	—	(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.
3	Common	Common stock, par value $0.01 per share	2026-02-18	F	D	66,365	$88.96	271,407	D	—	—	(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.