Form 4 Filing for Guidewire Software, Inc.

This filing details a transaction by Michael George Rosenbaum, the Chief Executive Officer and Director of Guidewire Software, Inc. (GWRE). On September 28, 2026, Mr. Rosenbaum sold 1,200 shares of the company's Common Stock at a price of $142.65 per share. This sale was conducted automatically as part of a 10b5-1 Trading Plan adopted on October 14, 2025. Following this transaction, Mr. Rosenbaum holds 278,466 shares of Common Stock directly. The filing is a Form 4, indicating a change in beneficial ownership.