X0609 4 2026-03-17 0 0001713683 Zscaler, Inc. ZS 0001435941 Schlossman Robert C/O ZSCALER, INC. 120 HOLGER WAY SAN JOSE CA 95134 0 1 0 0 Chief Legal Officer 0 Common Stock 2026-03-17 4 S 0 2263 156.5932 D 72390 D Commom Stock 66 I See Footnote Represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units as mandated by the Issuer's election under its equity incentive plans and does not represent a discretionary trade by the Reporting Person. The shares are held directly by the reporting person's spouse. /s/ Torrie Nute, by power of attorney 2026-03-18