ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q3 2022
Shares 105,925 Value ($000) $8,061 Avg Close — Range —
Q2 2022
Shares 210,320 Value ($000) $15,578 Avg Close — Range —
Q1 2022
Shares 70,698 Value ($000) $8,504 Avg Close — Range —
Q4 2021
Shares 31,499 Value ($000) $3,285 Avg Close — Range —
Q3 2021
Shares 13,377 Value ($000) $1,557 Avg Close — Range —
Q2 2021
Shares 35,378 Value ($000) $5,106 Avg Close — Range —
Q1 2021
Shares 7,301 Value ($000) $968 Avg Close — Range —
Q4 2020
Shares 28,589 Value ($000) $4,092 Avg Close — Range —
Q3 2020
Shares 38,318 Value ($000) $3,944 Avg Close — Range —
Q2 2020
Shares 68,863 Value ($000) $6,096 Avg Close — Range —
Q1 2020
Shares 44,796 Value ($000) $2,867 Avg Close — Range —
Q4 2019
Shares 64,982 Value ($000) $4,980 Avg Close — Range —
Q3 2019
Shares 488,627 Value ($000) $35,611 Avg Close — Range —
Q2 2019
Shares 839,965 Value ($000) $74,782 Avg Close — Range —
Q1 2019
Shares 147,977 Value ($000) $12,578 Avg Close — Range —
Q4 2018
Shares 143,382 Value ($000) $8,369 Avg Close — Range —
Q3 2018
Shares 9,611 Value ($000) $682 Avg Close — Range —
Q2 2018
Shares 23,207 Value ($000) $1,265 Avg Close — Range —
Q1 2018
Shares 256,923 Value ($000) $12,299 Avg Close — Range —
Q4 2017
Shares 138,922 Value ($000) $4,701 Avg Close — Range —
Q3 2017
Shares 698,453 Value ($000) $20,332 Avg Close — Range —
Q2 2017
Shares 820,923 Value ($000) $22,805 Avg Close — Range —
Q1 2017
Shares 375,994 Value ($000) $10,543 Avg Close — Range —