ZSCALER INC

Ticker: ZS CUSIP: 98980G102 Class: EQTY

Sienna Gestion's Holding History (CIK: 0002021242)

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

Q4 2025

Shares 4,000 Value ($000) $905 Avg Close $282.25 Range $224.88 - $336.99

Q3 2025

Shares 2,250 Value ($000) $615 Avg Close $285.11 Range $260.40 - $318.46

Q2 2025

Shares 2,250 Value ($000) $645 Avg Close $249.30 Range $164.78 - $317.26

Q1 2025

Shares 2,250 Value ($000) $434 Avg Close $199.27 Range $180.18 - $217.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,000	$905	$282.25	$224.88 - $336.99
Q3 2025	2,250	$615	$285.11	$260.40 - $318.46
Q2 2025	2,250	$645	$249.30	$164.78 - $317.26
Q1 2025	2,250	$434	$199.27	$180.18 - $217.10