Zscaler

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-16 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Zscaler, Inc. (ZS) CIK: 0001713683 --- Reporting Owner --- Name: Schlossman Robert CIK: 0001435941 Role: Officer (Chief Legal Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-16 | Code: S (Open market sale) Shares: -2,325 | Price: $192.76 Total Value: $448,173.51 Shares Owned After: 66,919 | Ownership: D (Direct) Footnotes: [F1] 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. --- Holdings --- [Holding #1] Security: Commom Stock Ownership: I (Indirect) Footnotes: [F2] The shares are held directly by the reporting person's spouse. --- Footnotes (Complete Index) --- F1: 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. F2: The shares are held directly by the reporting person's spouse. --- Signature --- /s/ /s/ Torrie Nute, by power of attorney (2026-09-17)