ROTHKA JOHN

PrivateCIK: 1713960
Location

CANONSBURG, PA

Senior insider sale

Chief Accounting Officer at CORE NATURAL RESOURCES, INC. — senior position signals high conviction

$417.7K

4.50K shares

What this filing means

ROTHKA JOHN plans to sell 4.50K shares of CORE NATURAL RESOURCES, INC. valued at approximately $417.7K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderROTHKA JOHNCIK 1713960
Officer· Chief Accounting Officer
Since Dec 2018
4.50K
Shares to sell
$417.7K
Approx. market value
1K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Sort

Restricted and Performance Stock Units

N/A

12/12/2019
1K
Total acquired1K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

1K

Market value

$95.0K

10/8/2025
Completed

Units to sell

2.50K

Market value

$225.0K

10/3/2025

Planned — Approximate Date

NYSEPlanned

Units to sell

1K

Market value

$97.7K

10/9/2025
Total

Units

4.50K

Value

$417.7K

ROTHKA JOHN — Planned Insider Sale (Form 144) | Finecho