CORE NATURAL RESOURCES INC

Ticker: CNR CUSIP: 218937100 Class: Common Stock

Mariner, LLC's Holding History (CIK: 0001373442)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 13,149 Value ($000) $1,164 Avg Close $85.17 Range $74.65 - $102.80

Q3 2025

Shares 19,791 Value ($000) $1,652 Avg Close $74.75 Range $64.40 - $85.49

Q2 2025

Shares 25,953 Value ($000) $1,810 Avg Close $70.86 Range $57.95 - $78.17

Q1 2025

Shares 29,142 Value ($000) $2,247 Avg Close $84.05 Range $66.27 - $109.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,149	$1,164	$85.17	$74.65 - $102.80
Q3 2025	19,791	$1,652	$74.75	$64.40 - $85.49
Q2 2025	25,953	$1,810	$70.86	$57.95 - $78.17
Q1 2025	29,142	$2,247	$84.05	$66.27 - $109.02