PRA HEALTH SCIENCES INC

CUSIP: 69354M108 Class: COM

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

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

Q2 2016
Shares 9,800 Value ($000) $409 Avg Close — Range —
Q1 2016
Shares 10,400 Value ($000) $445 Avg Close — Range —
Q4 2015
Shares 10,700 Value ($000) $484 Avg Close — Range —
Q3 2015
Shares 14,900 Value ($000) $579 Avg Close — Range —