ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

Kovack Advisors, Inc.'s Holding History (CIK: 0001728321)

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

Q1 2022
Shares 2,055 Value ($000) $247 Avg Close — Range —
Q4 2021
Shares 2,055 Value ($000) $214 Avg Close — Range —
Q3 2021
Shares 2,105 Value ($000) $245 Avg Close — Range —
Q2 2021
Shares 2,105 Value ($000) $304 Avg Close — Range —
Q1 2021
Shares 2,175 Value ($000) $288 Avg Close — Range —
Q4 2020
Shares 2,085 Value ($000) $298 Avg Close — Range —
Q3 2020
Shares 2,247 Value ($000) $231 Avg Close — Range —
Q2 2020
Shares 2,260 Value ($000) $200 Avg Close — Range —