FUEL TECH INC

Ticker: FTEK CUSIP: 359523107 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 3,299 Value ($000) $5 Avg Close $2.20 Range $1.41 - $3.45
Q3 2025
Shares 42,501 Value ($000) $0 Avg Close $2.90 Range $2.23 - $3.65
Q2 2025
Shares 22,911 Value ($000) $0 Avg Close $1.43 Range $0.91 - $2.85
Q1 2025
Shares 1,208 Value ($000) $0 Avg Close $0.99 Range $0.87 - $1.15
Q4 2022
Shares 827 Value ($000) $0 Avg Close $1.28 Range $1.14 - $1.66
Q3 2022
Shares 2,192 Value ($000) $2 Avg Close $1.30 Range $1.13 - $1.56
Q2 2022
Shares 1,929 Value ($000) $2 Avg Close $1.30 Range $1.02 - $1.54
Q1 2022
Shares 8,513 Value ($000) $12 Avg Close $1.28 Range $1.04 - $1.54
Q4 2021
Shares 8,159 Value ($000) $11 Avg Close $1.76 Range $1.35 - $2.50
Q3 2021
Shares 15,415 Value ($000) $36 Avg Close $1.89 Range $1.66 - $2.50
Q2 2021
Shares 15,415 Value ($000) $36 Avg Close $2.32 Range $1.65 - $3.23
Q1 2021
Shares 11,035 Value ($000) $34 Avg Close $4.40 Range $2.65 - $6.65
Q4 2020
Shares 23,070 Value ($000) $89 Avg Close $2.27 Range $0.69 - $7.04
Q1 2020
Shares 96 Value ($000) $0 Avg Close $0.77 Range $0.30 - $1.00
Q4 2019
Shares 96 Value ($000) $0 Avg Close $0.96 Range $0.82 - $1.18
Q3 2019
Shares 96 Value ($000) $0 Avg Close $1.07 Range $0.80 - $1.45
Q2 2019
Shares 2,441 Value ($000) $3 Avg Close $1.96 Range $1.17 - $3.06
Q1 2019
Shares 474 Value ($000) $0 Avg Close $1.31 Range $1.15 - $1.97
Q1 2016
Shares 1,536 Value ($000) $2 Avg Close $1.71 Range $1.50 - $2.05
Q4 2015
Shares 4,142 Value ($000) $7 Avg Close $2.07 Range $1.77 - $2.54
Q2 2015
Shares 609 Value ($000) $1 Avg Close $2.62 Range $2.18 - $3.16