SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

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

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

Q3 2025
Shares 16,879 Value ($000) $32 Avg Close $2.20 Range $1.80 - $3.22
Q2 2025
Shares 8,239 Value ($000) $24 Avg Close $1.44 Range $0.51 - $3.09
Q4 2023
Shares 4,590 Value ($000) $7 Avg Close $1.19 Range $0.99 - $1.50
Q3 2023
Shares 34,190 Value ($000) $41 Avg Close $1.39 Range $1.18 - $1.66
Q2 2023
Shares 91,970 Value ($000) $133 Avg Close $1.71 Range $1.39 - $2.00
Q1 2023
Shares 87,104 Value ($000) $126 Avg Close $1.67 Range $1.35 - $2.04
Q4 2022
Shares 5,741 Value ($000) $10 Avg Close $1.87 Range $1.46 - $2.28
Q3 2022
Shares 55,100 Value ($000) $110 Avg Close $0.99 Range $0.68 - $3.18
Q2 2022
Shares 24,244 Value ($000) $18 Avg Close $2.91 Range $0.73 - $7.87
Q3 2020
Shares 4,548 Value ($000) $51 Avg Close $11.83 Range $8.50 - $14.37
Q2 2020
Shares 3,048 Value ($000) $41 Avg Close $11.23 Range $6.88 - $14.48
Q3 2019
Shares 100 Value ($000) $1 Avg Close $10.54 Range $8.86 - $12.65
Q2 2019
Shares 100 Value ($000) $1 Avg Close $12.04 Range $9.91 - $14.48
Q1 2019
Shares 100 Value ($000) $1 Avg Close $10.61 Range $6.00 - $13.50
Q4 2018
Shares 100 Value ($000) $1 Avg Close $8.10 Range $5.52 - $11.40