AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2017
Shares 80,000 Value ($000) $2,034 Avg Close — Range —
Q3 2017
Shares 581,646 Value ($000) $13,541 Avg Close — Range —
Q1 2017
Shares 29,363 Value ($000) $672 Avg Close — Range —
Q4 2016
Shares 41,867 Value ($000) $993 Avg Close — Range —
Q3 2016
Shares 41,867 Value ($000) $798 Avg Close — Range —
Q2 2016
Shares 49,024 Value ($000) $956 Avg Close — Range —
Q1 2016
Shares 38,200 Value ($000) $806 Avg Close — Range —
Q4 2015
Shares 38,200 Value ($000) $738 Avg Close — Range —
Q3 2015
Shares 38,200 Value ($000) $630 Avg Close — Range —
Q2 2015
Shares 38,200 Value ($000) $724 Avg Close — Range —
Q1 2015
Shares 38,200 Value ($000) $690 Avg Close — Range —