AEGION CORP

CUSIP: 00770F104 Class: COMMON STOCK

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q4 2018
Shares 12,138 Value ($000) $198 Avg Close — Range —
Q3 2018
Shares 12,400 Value ($000) $315 Avg Close — Range —
Q1 2015
Shares 12,300 Value ($000) $222 Avg Close — Range —
Q2 2014
Shares 22,071 Value ($000) $514 Avg Close — Range —
Q2 2013
Shares 32,800 Value ($000) $738 Avg Close — Range —