ZSCALER INC

Ticker: ZS CUSIP: 98980G102 Class: EQTY

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2025

Shares 280,807 Value ($000) $63,159 Avg Close $282.25 Range $224.88 - $336.99

Q3 2024

Shares 399,516 Value ($000) $68,293 Avg Close $182.63 Range $153.45 - $208.14

Q2 2024

Shares 298,702 Value ($000) $57,408 Avg Close $177.98 Range $155.25 - $193.96

Q1 2024

Shares 368,283 Value ($000) $70,942 Avg Close $223.73 Range $190.35 - $259.61

Q4 2023

Shares 412,063 Value ($000) $91,297 Avg Close $185.19 Range $149.63 - $227.29

Q3 2023

Shares 346,083 Value ($000) $53,847 Avg Close $149.95 Range $131.59 - $167.50

Q2 2023

Shares 355,503 Value ($000) $52,010 Avg Close $122.11 Range $84.93 - $162.67

Q4 2022

Shares 270,876 Value ($000) $30,311 Avg Close $135.86 Range $105.74 - $185.99

Q3 2022

Shares 391,345 Value ($000) $70,583 Avg Close $163.61 Range $140.72 - $194.21

Q2 2022

Shares 285,162 Value ($000) $42,635 Avg Close $176.82 Range $125.12 - $253.74

Q1 2022

Shares 240,025 Value ($000) $57,913 Avg Close $245.72 Range $186.00 - $323.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	280,807	$63,159	$282.25	$224.88 - $336.99
Q3 2024	399,516	$68,293	$182.63	$153.45 - $208.14
Q2 2024	298,702	$57,408	$177.98	$155.25 - $193.96
Q1 2024	368,283	$70,942	$223.73	$190.35 - $259.61
Q4 2023	412,063	$91,297	$185.19	$149.63 - $227.29
Q3 2023	346,083	$53,847	$149.95	$131.59 - $167.50
Q2 2023	355,503	$52,010	$122.11	$84.93 - $162.67
Q4 2022	270,876	$30,311	$135.86	$105.74 - $185.99
Q3 2022	391,345	$70,583	$163.61	$140.72 - $194.21
Q2 2022	285,162	$42,635	$176.82	$125.12 - $253.74
Q1 2022	240,025	$57,913	$245.72	$186.00 - $323.55