Guidewire Software President John P. Mullen Acquires 75,211 Shares via PSU Vesting

Executive Summary

On September 15, 2026, John P. Mullen, President of Guidewire Software, Inc. ($GWRE), acquired 75,211 shares of Common Stock upon the vesting and settlement of Performance Shares (PSUs) at a conversion price of $0.00 per share. Following this transaction, Mullen directly holds 223,330 shares of Guidewire Common Stock.

Transaction Breakdown

• Security: Common Stock
• Transaction Code: M (Exercise or conversion of derivative security)
• Shares Acquired: 75,211
• Price Per Share: $0.00
• Total Consideration: $0.00 (Equity compensation settlement)
• Vesting Details: The Performance Shares cliff vested at the conclusion of a three-year performance period. On September 9, 2026, the Compensation Committee certified performance at 236% of target conditions (adding 43,342 shares above target), which subsequently met time-based vesting on September 15, 2026.

Significance & Market Impact

This transaction represents routine compensation vesting under an established equity incentive plan rather than an open-market discretionary purchase or sale. Because no open-market cash transaction occurred, the market impact is considered Low.