ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

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

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

Q3 2022
Shares 183,619 Value ($000) $13,973 Avg Close — Range —
Q2 2022
Shares 53,515 Value ($000) $3,962 Avg Close — Range —
Q1 2022
Shares 431,166 Value ($000) $51,867 Avg Close — Range —
Q4 2021
Shares 108,054 Value ($000) $11,270 Avg Close — Range —
Q3 2021
Shares 150,975 Value ($000) $17,572 Avg Close — Range —
Q2 2021
Shares 20,811 Value ($000) $3,004 Avg Close — Range —
Q4 2020
Shares 5,896 Value ($000) $844 Avg Close — Range —
Q2 2020
Shares 90,222 Value ($000) $7,986 Avg Close — Range —
Q1 2020
Shares 72,097 Value ($000) $4,615 Avg Close — Range —
Q4 2019
Shares 10,742 Value ($000) $823 Avg Close — Range —
Q1 2019
Shares 1 Value ($000) $0 Avg Close — Range —
Q4 2018
Shares 106,624 Value ($000) $6,224 Avg Close — Range —
Q2 2018
Shares 4,070 Value ($000) $222 Avg Close — Range —
Q3 2016
Shares 36,647 Value ($000) $1,125 Avg Close — Range —
Q4 2015
Shares 7,997 Value ($000) $211 Avg Close — Range —
Q3 2015
Shares 68,724 Value ($000) $1,355 Avg Close — Range —
Q2 2015
Shares 62,102 Value ($000) $1,379 Avg Close — Range —