X0609 4 2026-06-16 0 0001713683 Zscaler, Inc. ZS 0001374436 Chaudhry Jagtar Singh false C/O ZSCALER, INC. 120 HOLGER WAY SAN JOSE CA 95134 1 1 1 0 CEO & Chairman 0 Common Stock 2026-06-16 4 S 0 2878 126.4295 D 343038 D Common Stock 2177994 I See Footnote Common Stock 24341267 I See Footnote Common Stock 6666 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 of record by Jagtar S Chaudhry TTEE The RSJ Trust U/A DTD 06/07/2017. The shares are held of record by Jyoti Chaudhry TTEE The RSP Trust U/A DTD 06/07/2017. The shares are held of record by The P. Jyoti Chaudhry Family Trust dated March 1, 2000 for which Ms. Kaur serves as trustee. /s/ Torrie Nute, by power of attorney 2026-06-17