ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

LEVEL FOUR ADVISORY SERVICES, LLC's Holding History (CIK: 0001696715)

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

Q1 2021
Shares 2,709 Value ($000) $359 Avg Close — Range —
Q4 2020
Shares 1,933 Value ($000) $277 Avg Close — Range —
Q3 2020
Shares 2,464 Value ($000) $254 Avg Close — Range —