BROCK JAMES A

PrivateCIK: 1620612
Location

CANONSBURG, PA

BROCK JAMES A (Chief Executive Officer) sold 29.0% of their position (40.76K shares) of CORE NATURAL RESOURCES, INC. on the open market

Open‑market sale worth $4.12M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderBROCK JAMES ACIK 1620612
DirectorOfficer· Chief Executive Officer
Since Dec 2018
-40.76K
Net shares
Net seller
$4.12M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
40.76K disposed
Non-Derivative Transactions1

Common stock, par value $0.01 per share

Indirect
S · Sale

Shares

40.76K

Price / share

$101.15

Trade value

$4.12M

% of position

29.0%
3/18/2026
140.76K100K
Total

Net shares

40.76K

Net value

-$4.12M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)3

Common stock, par value $0.01 per share

Indirect
Shares owned24.44K

Common stock, par value $0.01 per share

Indirect
Shares owned117.40K

Common stock, par value $0.01 per share

Direct
Shares owned266.98K
Total
266.98K direct·141.84K indirect408.81K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
BROCK JAMES A — Insider Transaction (Form 4) Filed Mar 19, 2026 | Finecho