ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

D.A. DAVIDSON & CO.'s Holding History (CIK: 0001080107)

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

Q1 2019
Shares 3,220 Value ($000) $274 Avg Close — Range —
Q2 2017
Shares 10,849 Value ($000) $301 Avg Close — Range —
Q1 2017
Shares 4,354 Value ($000) $122 Avg Close — Range —
Q4 2016
Shares 2,844 Value ($000) $60 Avg Close — Range —
Q3 2016
Shares 2,063 Value ($000) $63 Avg Close — Range —
Q2 2016
Shares 1,562 Value ($000) $41 Avg Close — Range —
Q1 2016
Shares 971 Value ($000) $20 Avg Close — Range —
Q4 2015
Shares 625 Value ($000) $16 Avg Close — Range —
Q3 2015
Shares 580 Value ($000) $11 Avg Close — Range —