SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

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

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

Q4 2025
Shares 35,686 Value ($000) $83 Avg Close $2.32 Range $1.89 - $2.75
Q3 2025
Shares 7,618 Value ($000) $0 Avg Close $2.20 Range $1.80 - $3.22
Q2 2025
Shares 30,322 Value ($000) $0 Avg Close $1.44 Range $0.51 - $3.09
Q1 2025
Shares 5,098 Value ($000) $0 Avg Close $0.84 Range $0.70 - $1.13
Q4 2024
Shares 5,110 Value ($000) $0 Avg Close $1.19 Range $0.92 - $1.36
Q3 2024
Shares 921 Value ($000) $0 Avg Close $1.34 Range $1.15 - $1.53
Q2 2023
Shares 2,281 Value ($000) $0 Avg Close $1.71 Range $1.39 - $2.00
Q4 2022
Shares 9,206 Value ($000) $0 Avg Close $1.87 Range $1.46 - $2.28
Q3 2022
Shares 1,000 Value ($000) $2 Avg Close $0.99 Range $0.68 - $3.18
Q2 2022
Shares 9,300 Value ($000) $6 Avg Close $2.91 Range $0.73 - $7.87
Q1 2022
Shares 6,346 Value ($000) $55 Avg Close $10.25 Range $7.51 - $16.30
Q2 2021
Shares 507 Value ($000) $7 Avg Close $13.97 Range $11.75 - $15.94
Q4 2020
Shares 606 Value ($000) $11 Avg Close $15.59 Range $11.03 - $23.64
Q2 2020
Shares 200 Value ($000) $2 Avg Close $11.23 Range $6.88 - $14.48