ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q3 2021
Shares 100,452 Value ($000) $11,692 Avg Close — Range —
Q2 2021
Shares 104,075 Value ($000) $15,022 Avg Close — Range —
Q1 2021
Shares 104,890 Value ($000) $13,911 Avg Close — Range —
Q4 2020
Shares 98,781 Value ($000) $14,138 Avg Close — Range —
Q3 2020
Shares 101,272 Value ($000) $10,423 Avg Close — Range —
Q2 2020
Shares 50,826 Value ($000) $4,500 Avg Close — Range —
Q1 2020
Shares 48,098 Value ($000) $3,079 Avg Close — Range —
Q4 2019
Shares 48,976 Value ($000) $3,753 Avg Close — Range —
Q3 2019
Shares 48,599 Value ($000) $3,542 Avg Close — Range —
Q2 2019
Shares 48,717 Value ($000) $4,337 Avg Close — Range —