FUEL TECH INC

Ticker: FTEK CUSIP: 359523107 Class: COM

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

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

Q4 2025
Shares 42,509 Value ($000) $66 Avg Close $2.20 Range $1.41 - $3.45
Q3 2025
Shares 30,206 Value ($000) $91 Avg Close $2.90 Range $2.23 - $3.65
Q1 2025
Shares 17,639 Value ($000) $19 Avg Close $0.99 Range $0.87 - $1.15
Q3 2024
Shares 132 Value ($000) $0 Avg Close $1.02 Range $0.91 - $1.13
Q1 2022
Shares 14,694 Value ($000) $21 Avg Close $1.28 Range $1.04 - $1.54
Q4 2021
Shares 21,894 Value ($000) $31 Avg Close $1.76 Range $1.35 - $2.50
Q3 2021
Shares 12,636 Value ($000) $22 Avg Close $1.89 Range $1.66 - $2.50
Q2 2021
Shares 21,064 Value ($000) $50 Avg Close $2.32 Range $1.65 - $3.23
Q1 2021
Shares 26,541 Value ($000) $83 Avg Close $4.40 Range $2.65 - $6.65
Q3 2020
Shares 161 Value ($000) $0 Avg Close $0.85 Range $0.60 - $1.40
Q2 2020
Shares 161 Value ($000) $0 Avg Close $0.69 Range $0.35 - $1.49
Q1 2020
Shares 161 Value ($000) $0 Avg Close $0.77 Range $0.30 - $1.00
Q4 2019
Shares 2,992 Value ($000) $3 Avg Close $0.96 Range $0.82 - $1.18
Q3 2019
Shares 2,992 Value ($000) $3 Avg Close $1.07 Range $0.80 - $1.45
Q2 2019
Shares 8,999 Value ($000) $13 Avg Close $1.96 Range $1.17 - $3.06
Q1 2015
Shares 4,624 Value ($000) $14 Avg Close $3.28 Range $3.00 - $3.86
Q4 2014
Shares 6,001 Value ($000) $23 Avg Close $3.99 Range $3.61 - $4.45
Q3 2014
Shares 1,043 Value ($000) $4 Avg Close $4.78 Range $4.10 - $5.68
Q2 2014
Shares 3,643 Value ($000) $21 Avg Close $5.62 Range $4.96 - $6.77
Q1 2014
Shares 2,793 Value ($000) $14 Avg Close $6.44 Range $4.90 - $8.50
Q4 2013
Shares 3,900 Value ($000) $28 Avg Close $6.09 Range $4.19 - $9.63