ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q3 2021
Shares 1,343,577 Value ($000) $156,379 Avg Close — Range —
Q2 2021
Shares 1,363,110 Value ($000) $196,751 Avg Close — Range —
Q1 2021
Shares 1,390,166 Value ($000) $184,364 Avg Close — Range —
Q4 2020
Shares 1,105,653 Value ($000) $158,241 Avg Close — Range —
Q3 2020
Shares 130,526 Value ($000) $13,434 Avg Close — Range —
Q2 2020
Shares 132,163 Value ($000) $11,700 Avg Close — Range —