AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q2 2017
Shares 98,526 Value ($000) $2,156 Avg Close — Range —
Q1 2017
Shares 120,788 Value ($000) $2,767 Avg Close — Range —
Q4 2016
Shares 92,648 Value ($000) $2,196 Avg Close — Range —
Q3 2016
Shares 91,646 Value ($000) $1,748 Avg Close — Range —
Q2 2016
Shares 66,004 Value ($000) $1,288 Avg Close — Range —
Q1 2016
Shares 52,328 Value ($000) $1,104 Avg Close — Range —
Q4 2015
Shares 26,318 Value ($000) $508 Avg Close — Range —