Form 4 Filing for Guidewire Software, Inc.

David Franklin Peterson, Chief Accounting Officer of Guidewire Software, Inc., reported a transaction involving 4,351 Performance Shares on September 15, 2026. These shares cliff vested at the end of a three-year performance period, with the Compensation Committee determining that 136% of performance conditions were met. This resulted in an increase of 1,152 PSUs earned. The transaction code for the derivative security was 'M' (conversion or exercise of derivative security) and the acquired/disposed code was 'D' (disposed). The underlying security was Common Stock, with 4,351 shares. Following this transaction, Mr. Peterson holds 0 Performance Shares. Additionally, there was a non-derivative transaction for 4,351 shares of Common Stock acquired with a transaction code of 'M' and acquired/disposed code of 'A'. Post-transaction, Mr. Peterson holds 14,138 shares of Common Stock directly. The transaction was signed by Winston King as Attorney-in-Fact for David Franklin Peterson.