ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

Atika Capital Management LLC's Holding History (CIK: 0001599731)

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

Q1 2019
Shares 72,000 Value ($000) $6,120 Avg Close — Range —
Q4 2018
Shares 13,000 Value ($000) $759 Avg Close — Range —