PERFICIENT INC

CUSIP: 71375U101 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q4 2019
Shares 79,161 Value ($000) $3,647 Avg Close — Range —
Q3 2019
Shares 87,261 Value ($000) $3,366 Avg Close — Range —
Q2 2019
Shares 80,961 Value ($000) $2,778 Avg Close — Range —
Q1 2019
Shares 7,600 Value ($000) $208 Avg Close — Range —