PSYCHEMEDICS CORP

CUSIP: 744375205 Class: COM NEW

Russell Investments Group, Ltd.'s Holding History (CIK: 0001692234)

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

Q2 2019
Shares 1,852 Value ($000) $19 Avg Close — Range —
Q1 2019
Shares 2,066 Value ($000) $29 Avg Close — Range —
Q4 2018
Shares 1,891 Value ($000) $30 Avg Close — Range —
Q3 2018
Shares 1,891 Value ($000) $36 Avg Close — Range —
Q2 2018
Shares 1,891 Value ($000) $36 Avg Close — Range —
Q1 2018
Shares 1,931 Value ($000) $40 Avg Close — Range —
Q4 2017
Shares 1,931 Value ($000) $39 Avg Close — Range —
Q3 2017
Shares 11,401 Value ($000) $210 Avg Close — Range —
Q2 2017
Shares 12,550 Value ($000) $313 Avg Close — Range —
Q1 2017
Shares 14,150 Value ($000) $284 Avg Close — Range —
Q4 2016
Shares 12,368 Value ($000) $297 Avg Close — Range —