PSYCHEMEDICS CORP

CUSIP: 744375205 Class: COM NEW

DENALI ADVISORS LLC's Holding History (CIK: 0001142941)

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

Q4 2019
Shares 98 Value ($000) $1 Avg Close — Range —
Q3 2019
Shares 98 Value ($000) $1 Avg Close — Range —
Q2 2019
Shares 182 Value ($000) $2 Avg Close — Range —
Q1 2019
Shares 84 Value ($000) $1 Avg Close — Range —
Q4 2018
Shares 84 Value ($000) $1 Avg Close — Range —
Q3 2018
Shares 40 Value ($000) $1 Avg Close — Range —
Q2 2018
Shares 80 Value ($000) $2 Avg Close — Range —
Q1 2018
Shares 80 Value ($000) $2 Avg Close — Range —
Q4 2017
Shares 80 Value ($000) $2 Avg Close — Range —
Q3 2017
Shares 60 Value ($000) $1 Avg Close — Range —