HALLADOR ENERGY COMPANY

Ticker: HNRG CUSIP: 40609P105 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2025

Shares 2,512 Value ($000) $49 Avg Close $17.18 Range $14.87 - $22.01

Q1 2017

Shares 13,600 Value ($000) $109 Avg Close $8.82 Range $7.30 - $9.87

Q4 2016

Shares 39,400 Value ($000) $358 Avg Close $8.79 Range $7.16 - $10.40

Q3 2016

Shares 800 Value ($000) $6 Avg Close $5.99 Range $4.41 - $8.70

Q3 2015

Shares 4,700 Value ($000) $33 Avg Close $7.41 Range $6.00 - $8.71

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	2,512	$49	$17.18	$14.87 - $22.01
Q1 2017	13,600	$109	$8.82	$7.30 - $9.87
Q4 2016	39,400	$358	$8.79	$7.16 - $10.40
Q3 2016	800	$6	$5.99	$4.41 - $8.70
Q3 2015	4,700	$33	$7.41	$6.00 - $8.71