SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2022
Shares 10,256 Value ($000) $89 Avg Close $10.25 Range $7.51 - $16.30
Q4 2021
Shares 12,738 Value ($000) $204 Avg Close $15.88 Range $12.64 - $18.84
Q3 2021
Shares 13,044 Value ($000) $240 Avg Close $16.05 Range $12.75 - $19.87
Q2 2021
Shares 33,446 Value ($000) $467 Avg Close $13.97 Range $11.75 - $15.94
Q1 2021
Shares 30,923 Value ($000) $455 Avg Close $17.60 Range $12.70 - $22.23
Q4 2020
Shares 30,923 Value ($000) $600 Avg Close $15.59 Range $11.03 - $23.64
Q3 2020
Shares 22,163 Value ($000) $247 Avg Close $11.83 Range $8.50 - $14.37
Q2 2020
Shares 20,880 Value ($000) $283 Avg Close $11.23 Range $6.88 - $14.48
Q1 2020
Shares 19,809 Value ($000) $160 Avg Close $8.81 Range $5.25 - $10.84
Q4 2019
Shares 16,997 Value ($000) $163 Avg Close $10.78 Range $8.74 - $12.46
Q3 2019
Shares 16,997 Value ($000) $180 Avg Close $10.54 Range $8.86 - $12.65
Q2 2019
Shares 15,775 Value ($000) $182 Avg Close $12.04 Range $9.91 - $14.48
Q1 2019
Shares 12,736 Value ($000) $163 Avg Close $10.61 Range $6.00 - $13.50
Q4 2018
Shares 12,736 Value ($000) $78 Avg Close $8.10 Range $5.52 - $11.40
Q3 2018
Shares 12,736 Value ($000) $134 Avg Close $11.61 Range $9.29 - $18.23
Q2 2018
Shares 10,206 Value ($000) $150 Avg Close $12.79 Range $10.12 - $19.00
Q1 2018
Shares 9,511 Value ($000) $136 Avg Close $12.13 Range $9.66 - $14.61
Q4 2017
Shares 9,511 Value ($000) $112 Avg Close $12.27 Range $9.85 - $15.40