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

Guidewire Software CEO Michael George Rosenbaum executed an automatic sale of 1,200 common shares at $160.32 per share on January 26, 2026, as part of a Rule 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 1,200 shares of Guidewire Software common stock.
• The shares were sold at a price of $160.32 per share.
• The transaction date was January 26, 2026.
• Following this transaction, Michael George Rosenbaum beneficially owns 234,343 shares of common stock directly.
• The sale was an automatic transaction executed pursuant to a Rule 10b5-1 trading plan, which was adopted by Mr. Rosenbaum on October 14, 2025.

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly positive due to the transparency provided by the 10b5-1 plan, which indicates a pre-scheduled, non-discretionary sale. While any insider sale can be viewed with caution, the context of a 10b5-1 plan mitigates negative interpretations.

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 adherence to corporate governance best practices.

Negatives

• An insider sale, even under a 10b5-1 plan, can sometimes be perceived by the market as a lack of confidence, although this is mitigated by the pre-planned nature and transparency.

Risks

• While the 10b5-1 plan mitigates immediate concerns, sustained or large-scale insider selling by multiple executives could signal potential future challenges or a lack of confidence in the company's outlook.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

This specific insider transaction is a routine disclosure and does not inherently reflect broader industry trends. Insider sales, particularly those under 10b5-1 plans, are common for executives managing personal portfolios and compensation, and do not typically indicate a shift in industry dynamics or competitive landscape.

Corporate Governance

Stakeholder Impact

• Shareholders: The sale represents a minor reduction in the CEO's direct holdings, but the 10b5-1 plan context suggests it is for personal financial planning rather than a signal about company performance. The impact is likely minimal.
• Employees: No direct impact on employees is indicated by this filing.

Key Dates

Keywords

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