Form 4: Guidewire CEO Sells Shares Under Pre-Arranged 10b5-1 Plan

Guidewire Software CEO Michael George Rosenbaum sold 1,400 shares of common stock for $213.44 per share on December 1, 2025, as part of a pre-arranged 10b5-1 trading plan.

Summary

• Michael George Rosenbaum, Chief Executive Officer and Director of Guidewire Software, Inc. (GWRE), reported a sale of common stock.
• The transaction involved the disposition of 1,400 shares of Guidewire Software common stock.
• The shares were sold at a price of $213.44 per share.
• The transaction date was December 1, 2025.
• Following this transaction, Michael George Rosenbaum beneficially owns 249,558 shares of common stock directly.
• This sale was an automatic transaction executed pursuant to a Rule 10b5-1 trading plan, which was adopted by Mr. Rosenbaum on October 15, 2024.

Sentiment

Score: 5

Explanation: The transaction is a pre-planned sale under a 10b5-1 plan, which is a routine event for executives and generally considered neutral. It does not reflect new information about the company's performance or outlook.

Positives

• The sale was conducted under a Rule 10b5-1 trading plan, indicating a pre-scheduled transaction designed to avoid accusations of trading on inside information and demonstrating good corporate governance.
• The reporting person still retains a significant beneficial ownership of 249,558 shares, demonstrating continued alignment with shareholder interests.

Negatives

• An insider sale, even if pre-planned, can sometimes be perceived by the market as a lack of confidence, though this is mitigated by the 10b5-1 plan.
• The sale reduces the direct equity stake of a key executive, Michael George Rosenbaum, by 1,400 shares.

Risks

• Potential for negative market perception if investors misinterpret the 10b5-1 sale as a discretionary sale based on new negative information, despite the pre-planned nature.

Future Outlook

This filing, an insider transaction report, does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Industry Context

This is a routine insider transaction and does not directly relate to broader industry trends or competitors. It reflects an individual executive's personal financial planning rather than a strategic company move or industry-wide development.

Comparison to Industry Standards

• This is a standard Form 4 filing for an insider transaction under a 10b5-1 plan, which is a common practice among executives in publicly traded companies to manage their equity holdings while adhering to insider trading regulations. The use of a 10b5-1 plan aligns with best practices for executive stock sales across the industry.

Corporate Governance

Stakeholder Impact

• Shareholders: Minor impact. The sale represents a small percentage of the executive's total holdings and was pre-planned, reducing the likelihood of negative interpretation.
• Employees, Customers, Suppliers, Creditors: No direct impact from this routine insider transaction.

Key Dates

Recommendation

The reported transaction is a routine, pre-scheduled sale of shares by the CEO under a 10b5-1 trading plan. Such sales are typically for personal financial planning and do not usually signal a change in the company's fundamental outlook or performance. Therefore, this filing alone does not warrant a change in investment recommendation.

Keywords

Guidewire Software, GWRE, Michael George Rosenbaum, CEO, Director, Form 4, Insider Trading, Stock Sale, 10b5-1 Plan, Equity Transaction