AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

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

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

Q1 2021
Shares 45,692 Value ($000) $1,314 Avg Close — Range —
Q4 2020
Shares 45,692 Value ($000) $868 Avg Close — Range —
Q3 2020
Shares 47,077 Value ($000) $665 Avg Close — Range —
Q2 2020
Shares 47,077 Value ($000) $747 Avg Close — Range —
Q1 2020
Shares 47,077 Value ($000) $844 Avg Close — Range —
Q4 2019
Shares 46,535 Value ($000) $1,041 Avg Close — Range —
Q3 2019
Shares 47,588 Value ($000) $1,017 Avg Close — Range —
Q2 2019
Shares 47,588 Value ($000) $876 Avg Close — Range —
Q1 2019
Shares 49,482 Value ($000) $869 Avg Close — Range —
Q4 2018
Shares 51,146 Value ($000) $835 Avg Close — Range —
Q3 2018
Shares 49,083 Value ($000) $1,246 Avg Close — Range —
Q2 2018
Shares 49,057 Value ($000) $1,263 Avg Close — Range —
Q1 2018
Shares 49,057 Value ($000) $1,124 Avg Close — Range —
Q4 2017
Shares 51,250 Value ($000) $1,303 Avg Close — Range —
Q3 2017
Shares 52,492 Value ($000) $1,222 Avg Close — Range —
Q2 2017
Shares 58,890 Value ($000) $1,289 Avg Close — Range —
Q1 2017
Shares 68,790 Value ($000) $1,576 Avg Close — Range —
Q4 2016
Shares 72,090 Value ($000) $1,709 Avg Close — Range —
Q3 2016
Shares 73,990 Value ($000) $1,411 Avg Close — Range —
Q2 2016
Shares 73,290 Value ($000) $1,430 Avg Close — Range —
Q1 2016
Shares 77,676 Value ($000) $1,638 Avg Close — Range —
Q4 2015
Shares 67,910 Value ($000) $1,311 Avg Close — Range —
Q3 2015
Shares 66,769 Value ($000) $1,100 Avg Close — Range —
Q2 2015
Shares 66,969 Value ($000) $1,268 Avg Close — Range —
Q1 2015
Shares 69,626 Value ($000) $1,257 Avg Close — Range —
Q4 2014
Shares 70,426 Value ($000) $1,311 Avg Close — Range —
Q3 2014
Shares 70,126 Value ($000) $1,560 Avg Close — Range —
Q2 2014
Shares 69,328 Value ($000) $1,613 Avg Close — Range —
Q1 2014
Shares 71,128 Value ($000) $1,800 Avg Close — Range —
Q4 2013
Shares 70,828 Value ($000) $1,550 Avg Close — Range —
Q3 2013
Shares 70,328 Value ($000) $1,669 Avg Close — Range —
Q2 2013
Shares 68,175 Value ($000) $1,535 Avg Close — Range —
Q1 2013
Shares 68,270 Value ($000) $1,580 Avg Close — Range —