AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q1 2021
Shares 3,836 Value ($000) $110 Avg Close — Range —
Q4 2020
Shares 2,060 Value ($000) $39 Avg Close — Range —
Q3 2020
Shares 2,060 Value ($000) $29 Avg Close — Range —
Q2 2020
Shares 2,060 Value ($000) $33 Avg Close — Range —
Q1 2020
Shares 7,844 Value ($000) $141 Avg Close — Range —
Q4 2019
Shares 7,844 Value ($000) $175 Avg Close — Range —
Q3 2019
Shares 2,060 Value ($000) $44 Avg Close — Range —
Q2 2019
Shares 2,060 Value ($000) $38 Avg Close — Range —
Q1 2019
Shares 2,060 Value ($000) $36 Avg Close — Range —
Q4 2018
Shares 2,982 Value ($000) $49 Avg Close — Range —
Q3 2018
Shares 2,982 Value ($000) $76 Avg Close — Range —
Q2 2018
Shares 2,982 Value ($000) $77 Avg Close — Range —
Q1 2018
Shares 2,982 Value ($000) $68 Avg Close — Range —
Q4 2017
Shares 2,982 Value ($000) $76 Avg Close — Range —
Q3 2017
Shares 2,219 Value ($000) $52 Avg Close — Range —
Q2 2017
Shares 2,219 Value ($000) $49 Avg Close — Range —
Q1 2017
Shares 30,501 Value ($000) $699 Avg Close — Range —
Q4 2016
Shares 28,773 Value ($000) $682 Avg Close — Range —
Q3 2016
Shares 22,873 Value ($000) $436 Avg Close — Range —
Q2 2016
Shares 23,444 Value ($000) $457 Avg Close — Range —
Q1 2016
Shares 25,162 Value ($000) $531 Avg Close — Range —
Q4 2015
Shares 23,918 Value ($000) $462 Avg Close — Range —
Q3 2015
Shares 25,284 Value ($000) $417 Avg Close — Range —
Q2 2015
Shares 22,988 Value ($000) $435 Avg Close — Range —
Q1 2015
Shares 22,848 Value ($000) $412 Avg Close — Range —
Q4 2014
Shares 18,800 Value ($000) $350 Avg Close — Range —
Q3 2014
Shares 16,600 Value ($000) $369 Avg Close — Range —
Q2 2014
Shares 16,600 Value ($000) $386 Avg Close — Range —
Q1 2014
Shares 15,300 Value ($000) $387 Avg Close — Range —
Q4 2013
Shares 15,300 Value ($000) $335 Avg Close — Range —
Q3 2013
Shares 15,300 Value ($000) $363 Avg Close — Range —
Q2 2013
Shares 15,300 Value ($000) $344 Avg Close — Range —
Q1 2013
Shares 12,100 Value ($000) $280 Avg Close — Range —
Q4 2012
Shares 12,100 Value ($000) $268 Avg Close — Range —