PSYCHEMEDICS CORP

CUSIP: 744375205 Class: COM NEW

GREAT WEST LIFE ASSURANCE CO /CAN/'s Holding History (CIK: 0001046192)

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

Q3 2018
Shares 150 Value ($000) $3 Avg Close — Range —
Q2 2018
Shares 150 Value ($000) $3 Avg Close — Range —
Q1 2018
Shares 150 Value ($000) $3 Avg Close — Range —