X0508 4 2026-01-08 0001327567 Palo Alto Networks Inc PANW 0001682260 Klarich Lee C/O PALO ALTO NETWORKS INC. 3000 TANNERY WAY SANTA CLARA CA 95054 true true false false EVP Chief Product & Tech Ofcr true Common Stock 2026-01-08 4 M false 92010 32.25 A 419655 D Common Stock 2026-01-08 4 S false 12620 189.603 D 407035 D Common Stock 2026-01-08 4 S false 46192 190.692 D 360843 D Common Stock 2026-01-08 4 S false 54882 191.47 D 305961 D Common Stock 2026-01-08 4 S false 6707 192.381 D 299254 D Common Stock 2026-01-08 4 S false 367 193.161 D 298887 D Common Stock 640000 I See footnote Stock Option (right to buy) 32.25 2026-01-08 4 M false 92010 0 D 2025-10-19 Common Stock 92010 0 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 27, 2024. This sale price represents the weighted average sale price of the shares sold ranging from $189.065 to $190.06 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $190.065 to $191.06 per share. Upon request by the Commission staff, the Issuer, or a security holder of the 1Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $191.065 to $192.06 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $192.065 to $193.06 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. This sale price represents the weighted average sale price of the shares sold ranging from $193.085 to $193.21 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. Shares are held by the Lee and Susan Klarich 2005 Trust, dated Dec. 5, 2005, for which the Reporting Person and his spouse serve as trustees. The shares subject to the option are fully vested and exercisable. /s/ Elizabeth Villalobos, Attorney-in-Fact for Lee Klarich 2026-01-12