PERFICIENT INC

CUSIP: 71375U101 Class: Common Stock

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

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

Q3 2022
Shares 18,200 Value ($000) $1,183 Avg Close — Range —
Q2 2022
Shares 16,900 Value ($000) $1,550 Avg Close — Range —
Q1 2022
Shares 17,200 Value ($000) $1,894 Avg Close — Range —
Q4 2021
Shares 8,200 Value ($000) $1,060 Avg Close — Range —
Q3 2021
Shares 10,100 Value ($000) $1,169 Avg Close — Range —
Q2 2021
Shares 22,500 Value ($000) $1,809 Avg Close — Range —
Q1 2021
Shares 22,500 Value ($000) $1,321 Avg Close — Range —
Q4 2020
Shares 22,500 Value ($000) $1,072 Avg Close — Range —
Q3 2020
Shares 22,500 Value ($000) $962 Avg Close — Range —
Q2 2020
Shares 22,500 Value ($000) $805 Avg Close — Range —
Q1 2020
Shares 22,500 Value ($000) $610 Avg Close — Range —
Q4 2019
Shares 24,800 Value ($000) $1,143 Avg Close — Range —
Q3 2019
Shares 29,700 Value ($000) $1,146 Avg Close — Range —
Q1 2014
Shares 13,800 Value ($000) $250 Avg Close — Range —
Q4 2013
Shares 13,800 Value ($000) $323 Avg Close — Range —
Q3 2013
Shares 13,800 Value ($000) $253 Avg Close — Range —
Q2 2013
Shares 59,700 Value ($000) $796 Avg Close — Range —