AEGION CORP COM

CUSIP: 00770f104 Class: COM

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q1 2018
Shares 26,680 Value ($000) $611 Avg Close — Range —
Q4 2017
Shares 30,830 Value ($000) $784 Avg Close — Range —
Q3 2017
Shares 13,765 Value ($000) $320 Avg Close — Range —