James A Brock

CNR

James A Brock serves as director, officer: Executive Chair and CEO at Core Natural Resources, Inc. (CNR). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

9 trades

$19.02M

Net Position

Net Seller

$19.02M

Companies Traded

CNR

Active Period

Aug 2022 – Mar 2026

9 total trades

Most Recent

Sell CNR

Mar 19, 2026 · $4.12M

James A Brock's Insider Trading at Core Natural Resources, Inc. (CNR)

Buys

0 · $0.00

Sells

9 · $19.02M

Total Shares Bought

Total Shares Sold

217,875

CNR Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 19, 2026	Sell	40,760	$101.15	$4.12M	100,000
Feb 17, 2026	Sell	73,765	$88.96	$6.56M	0
Jul 1, 2024	Sell	17,398	$100.85	$1.75M	530,837
May 24, 2024	Sell	6,300	$98.21	$618.7K	532,087
Dec 22, 2023	Sell	6,669	$102.55	$683.9K	527,382
Dec 20, 2023	Sell	6,669	$99.27	$662.0K	538,503
Dec 5, 2022	Sell	500	$78.20	$39.1K	473,020
Dec 1, 2022	Sell	15,814	$75.91	$1.20M	476,834
Aug 19, 2022	Sell	50,000	$67.60	$3.38M	518,125