X0609 4 2026-09-17 0 0001528396 Guidewire Software, Inc. GWRE 0001805719 Cooper Jeffrey Elliott false C/O GUIDEWIRE SOFTWARE, INC. 970 PARK PL, SUITE 200 SAN MATEO CA 94403 0 1 0 0 Chief Financial Officer 1 Common Stock 2026-09-17 4 S 0 23234 144.4718 D 95361 D Common Stock 2026-09-18 4 S 0 854 140.7289 D 94507 D Common Stock 2026-09-18 4 S 0 2430 141.6826 D 92077 D Common Stock 2026-09-18 4 S 0 4468 142.6904 D 87609 D Common Stock 2026-09-18 4 S 0 1195 143.6065 D 86414 D Common Stock 2026-09-18 4 S 0 994 144.98 D 85420 D Shares sold by Issuer to cover taxes associated with settlement of Restricted Stock Units. The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $144.4713 to $144.4723 per share. The reporting person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. Automatic sale pursuant to a 10b5-1 Trading Plan adopted by the Reporting Person on March 20, 2026. The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $140.2100 to $141.1950 per share. The reporting person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $141.2500 to $142.2150 per share. The reporting person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $142.2550 to $143.1700 per share. The reporting person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. The sale price reported in column 4 of Table 1 represents the average sale price of the shares sold ranging from $143.5000 to $144.0000 per share. The reporting person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price. By: Winston King, Attorney-in-Fact for Jeffrey Elliott Cooper 2026-09-21