VOCERA COMMUNICATIONS INC

CUSIP: 92857F107 Class: COMMON STOCK

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2021
Shares 27,222 Value ($000) $1,764 Avg Close — Range —
Q3 2021
Shares 8,248 Value ($000) $377 Avg Close — Range —
Q1 2021
Shares 54,603 Value ($000) $2,100 Avg Close — Range —
Q4 2020
Shares 20,200 Value ($000) $839 Avg Close — Range —
Q3 2020
Shares 132,527 Value ($000) $3,854 Avg Close — Range —
Q2 2020
Shares 197,305 Value ($000) $4,183 Avg Close — Range —
Q1 2020
Shares 91,605 Value ($000) $1,946 Avg Close — Range —
Q4 2019
Shares 33,269 Value ($000) $691 Avg Close — Range —
Q3 2019
Shares 151,767 Value ($000) $3,741 Avg Close — Range —
Q2 2019
Shares 23,068 Value ($000) $737 Avg Close — Range —
Q4 2018
Shares 145,101 Value ($000) $5,710 Avg Close — Range —
Q3 2018
Shares 219,795 Value ($000) $8,040 Avg Close — Range —