VOCERA COMMUNICATIONS INC

CUSIP: 92857F107 Class: COMMON STOCK

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

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

Q4 2021
Shares 61,326 Value ($000) $3,976 Avg Close — Range —
Q3 2021
Shares 43,226 Value ($000) $1,978 Avg Close — Range —
Q2 2021
Shares 40,426 Value ($000) $1,611 Avg Close — Range —
Q1 2021
Shares 30,826 Value ($000) $1,186 Avg Close — Range —
Q4 2020
Shares 28,100 Value ($000) $1,167 Avg Close — Range —
Q3 2020
Shares 28,100 Value ($000) $817 Avg Close — Range —
Q4 2018
Shares 33,314 Value ($000) $1,311 Avg Close — Range —
Q3 2018
Shares 43,314 Value ($000) $1,584 Avg Close — Range —
Q2 2018
Shares 34,300 Value ($000) $1,025 Avg Close — Range —
Q1 2018
Shares 35,300 Value ($000) $827 Avg Close — Range —
Q4 2017
Shares 45,800 Value ($000) $1,384 Avg Close — Range —
Q3 2017
Shares 24,400 Value ($000) $765 Avg Close — Range —
Q2 2017
Shares 24,400 Value ($000) $645 Avg Close — Range —
Q1 2017
Shares 27,800 Value ($000) $690 Avg Close — Range —
Q4 2016
Shares 23,100 Value ($000) $427 Avg Close — Range —
Q3 2016
Shares 23,100 Value ($000) $390 Avg Close — Range —