ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

THOMPSON DAVIS & CO., INC.'s Holding History (CIK: 0001017284)

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

Q3 2018
Shares 275 Value ($000) $20 Avg Close — Range —
Q2 2018
Shares 125 Value ($000) $7 Avg Close — Range —
Q1 2018
Shares 375 Value ($000) $18 Avg Close — Range —
Q3 2017
Shares 1,173 Value ($000) $34 Avg Close — Range —
Q2 2017
Shares 1,115 Value ($000) $31 Avg Close — Range —
Q1 2017
Shares 1,143 Value ($000) $32 Avg Close — Range —
Q4 2016
Shares 750 Value ($000) $16 Avg Close — Range —
Q3 2016
Shares 875 Value ($000) $27 Avg Close — Range —
Q2 2016
Shares 1,500 Value ($000) $40 Avg Close — Range —
Q1 2016
Shares 1,500 Value ($000) $31 Avg Close — Range —
Q4 2015
Shares 500 Value ($000) $13 Avg Close — Range —
Q3 2015
Shares 125 Value ($000) $2 Avg Close — Range —
Q2 2015
Shares 125 Value ($000) $3 Avg Close — Range —
Q1 2015
Shares 125 Value ($000) $3 Avg Close — Range —
Q4 2014
Shares 125 Value ($000) $3 Avg Close — Range —