Guidewire Software CEO Sells $202K in Common Stock Under Rule 10b5-1 Plan

Executive Summary

On October 13, 2026, Guidewire Software, Inc. ($GWRE) reported an insider sale by Chief Executive Officer and Director Michael George Rosenbaum. On October 12, 2026, Rosenbaum sold 1,200 shares of Common Stock at a price of $168.97 per share, generating total proceeds of $202,764.00.

Key Details

• Insider: Michael George Rosenbaum (CEO & Director)
• Transaction Type: Open Market Sale (Code 'S')
• Shares Sold: 1,200
• Execution Price: $168.97
• Gross Proceeds: $202,764.00
• Remaining Direct Ownership: 276,066 shares
• Pre-Arranged Plan: The transaction was executed under a pre-established Rule 10b5-1 trading plan adopted on October 14, 2025.

Trading Significance

The trading significance is assessed as Low. The sale represents approximately 0.43% of the executive's total equity holdings in Guidewire Software. Given the small fraction of holdings liquidated and the fact that the transaction was conducted pursuant to an established Rule 10b5-1 trading plan, it represents routine liquidity or diversification rather than a discretionary perspective on company performance.