ZENDESK INC

CUSIP: 98936J101 Class: COMMON STOCK

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q3 2022
Shares 372,992 Value ($000) $28,385 Avg Close — Range —
Q2 2022
Shares 255,974 Value ($000) $18,960 Avg Close — Range —
Q1 2022
Shares 402,337 Value ($000) $48,397 Avg Close — Range —
Q4 2021
Shares 57,436 Value ($000) $5,990 Avg Close — Range —
Q3 2021
Shares 65,501 Value ($000) $7,624 Avg Close — Range —
Q2 2021
Shares 2,390,133 Value ($000) $344,992 Avg Close — Range —
Q1 2021
Shares 2,260,066 Value ($000) $299,730 Avg Close — Range —
Q4 2020
Shares 1,992,606 Value ($000) $285,182 Avg Close — Range —
Q3 2020
Shares 1,068,912 Value ($000) $110,012 Avg Close — Range —
Q2 2020
Shares 963,824 Value ($000) $85,327 Avg Close — Range —
Q1 2020
Shares 888,195 Value ($000) $56,853 Avg Close — Range —
Q4 2019
Shares 843,442 Value ($000) $64,633 Avg Close — Range —
Q3 2019
Shares 1,692,985 Value ($000) $123,385 Avg Close — Range —
Q2 2019
Shares 1,269,885 Value ($000) $113,058 Avg Close — Range —
Q1 2019
Shares 1,232,404 Value ($000) $104,754 Avg Close — Range —
Q4 2018
Shares 1,294,595 Value ($000) $75,566 Avg Close — Range —
Q3 2018
Shares 1,070,764 Value ($000) $76,024 Avg Close — Range —
Q2 2018
Shares 136,600 Value ($000) $7,443 Avg Close — Range —
Q1 2018
Shares 312,140 Value ($000) $14,942 Avg Close — Range —
Q4 2017
Shares 202,275 Value ($000) $6,845 Avg Close — Range —
Q3 2017
Shares 151,410 Value ($000) $4,408 Avg Close — Range —
Q2 2017
Shares 214,230 Value ($000) $5,951 Avg Close — Range —
Q1 2017
Shares 319,950 Value ($000) $8,971 Avg Close — Range —
Q4 2016
Shares 132,710 Value ($000) $2,813 Avg Close — Range —
Q3 2016
Shares 132,710 Value ($000) $4,076 Avg Close — Range —
Q2 2016
Shares 132,710 Value ($000) $3,501 Avg Close — Range —
Q1 2016
Shares 81,810 Value ($000) $1,712 Avg Close — Range —
Q4 2015
Shares 81,810 Value ($000) $2,163 Avg Close — Range —
Q3 2015
Shares 81,810 Value ($000) $1,612 Avg Close — Range —
Q2 2015
Shares 81,900 Value ($000) $1,819 Avg Close — Range —
Q1 2015
Shares 10,600 Value ($000) $241 Avg Close — Range —
Q4 2014
Shares 12,200 Value ($000) $297 Avg Close — Range —
Q3 2014
Shares 12,200 Value ($000) $263 Avg Close — Range —
Q2 2014
Shares 11,800 Value ($000) $205 Avg Close — Range —