SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q4 2025
Shares 7,215 Value ($000) $17 Avg Close $2.32 Range $1.89 - $2.75
Q2 2025
Shares 603 Value ($000) $2 Avg Close $1.44 Range $0.51 - $3.09
Q4 2024
Shares 929 Value ($000) $1 Avg Close $1.19 Range $0.92 - $1.36
Q3 2024
Shares 269 Value ($000) $0 Avg Close $1.34 Range $1.15 - $1.53
Q2 2024
Shares 276 Value ($000) $0 Avg Close $1.51 Range $1.25 - $1.81
Q1 2024
Shares 216 Value ($000) $0 Avg Close $1.57 Range $1.33 - $1.89
Q4 2023
Shares 1 Value ($000) $0 Avg Close $1.19 Range $0.99 - $1.50
Q3 2023
Shares 572 Value ($000) $1 Avg Close $1.39 Range $1.18 - $1.66
Q2 2023
Shares 35 Value ($000) $0 Avg Close $1.71 Range $1.39 - $2.00
Q1 2023
Shares 541 Value ($000) $0 Avg Close $1.67 Range $1.35 - $2.04
Q4 2022
Shares 33,164 Value ($000) $0 Avg Close $1.87 Range $1.46 - $2.28
Q3 2022
Shares 18,239 Value ($000) $37 Avg Close $0.99 Range $0.68 - $3.18
Q2 2022
Shares 25,077 Value ($000) $19 Avg Close $2.91 Range $0.73 - $7.87
Q1 2022
Shares 12,423 Value ($000) $108 Avg Close $10.25 Range $7.51 - $16.30
Q4 2021
Shares 8,768 Value ($000) $141 Avg Close $15.88 Range $12.64 - $18.84
Q3 2021
Shares 1,007 Value ($000) $19 Avg Close $16.05 Range $12.75 - $19.87
Q2 2021
Shares 8,384 Value ($000) $117 Avg Close $13.97 Range $11.75 - $15.94
Q1 2021
Shares 3,146 Value ($000) $46 Avg Close $17.60 Range $12.70 - $22.23
Q4 2020
Shares 1,160 Value ($000) $22 Avg Close $15.59 Range $11.03 - $23.64
Q3 2020
Shares 15,784 Value ($000) $176 Avg Close $11.83 Range $8.50 - $14.37
Q2 2020
Shares 2,741 Value ($000) $37 Avg Close $11.23 Range $6.88 - $14.48
Q3 2019
Shares 223 Value ($000) $2 Avg Close $10.54 Range $8.86 - $12.65
Q2 2019
Shares 718 Value ($000) $8 Avg Close $12.04 Range $9.91 - $14.48
Q4 2018
Shares 1,120 Value ($000) $7 Avg Close $8.10 Range $5.52 - $11.40
Q3 2018
Shares 38 Value ($000) $0 Avg Close $11.61 Range $9.29 - $18.23
Q2 2018
Shares 137 Value ($000) $2 Avg Close $12.79 Range $10.12 - $19.00
Q4 2017
Shares 2,089 Value ($000) $24 Avg Close $12.27 Range $9.85 - $15.40