HALLADOR ENERGY COMPANY

Ticker: HNRG CUSIP: 40609P105 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 7,307 Value ($000) $139 Avg Close $20.26 Range $17.23 - $24.70
Q1 2025
Shares 135,594 Value ($000) $1,665 Avg Close $11.23 Range $8.37 - $13.68
Q3 2024
Shares 34,698 Value ($000) $327 Avg Close $7.11 Range $4.86 - $9.96
Q2 2024
Shares 14,486 Value ($000) $113 Avg Close $6.27 Range $4.33 - $9.60
Q1 2024
Shares 4,379 Value ($000) $23 Avg Close $7.70 Range $4.50 - $9.75
Q3 2023
Shares 674 Value ($000) $10 Avg Close $10.56 Range $8.31 - $14.62
Q3 2022
Shares 400 Value ($000) $2 Avg Close $6.35 Range $4.95 - $7.95
Q2 2022
Shares 1,900 Value ($000) $10 Avg Close $4.83 Range $3.30 - $7.70