144 0001250333 XXXXXXXX LIVE 0001327567 Palo Alto Networks, Inc. 001-35594 3000 Tannery Way Santa Clara CA 95054 408-753-4000 Nir Zuk Affiliate Common J.P. Morgan Securities LLC

390 Madison Avenue 6th Floor New York NY 10017

300000 61086000 668900000 10/01/2025 NASDAQ Common 03/07/2005 Shares acquired as founder shares by Nir Zuk from the issuer Issuer N 300000 03/07/2005 N/A N Hawk Family Trust

Care of Palo Alto Networks Inc 3000 Tannery Way Santa Clara CA 95054

Common 08/01/2025 100000 17280459 Hawk Family Trust

Care of Palo Alto Networks Inc 3000 Tannery Way Santa Clara CA 95054

Common 09/02/2025 100000 17280459 The shares covered by this filing are shares expected to be sold within 3 months of this filing by Hawk Family Trust Dtd 10/29/12 (Nir Zuk as Trustee). 10/01/2025 01/09/2025 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Nir Zuk