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

Guidewire Software CEO Michael George Rosenbaum sold 1,200 shares of common stock for $180.87 per share, executed under a pre-arranged 10b5-1 trading plan.

Summary

• Michael George Rosenbaum, the Chief Executive Officer and a Director of Guidewire Software, Inc. (GWRE), reported a transaction.
• The transaction involved the disposition of 1,200 shares of Guidewire Software Common Stock.
• The sale occurred on January 13, 2026, at a price of $180.87 per share.
• This sale was an automatic transaction executed pursuant to a Rule 10b5-1 trading plan.
• The 10b5-1 trading plan was adopted by Mr. Rosenbaum on October 14, 2025.
• Following this transaction, Mr. Rosenbaum beneficially owns 236,743 shares of Common Stock directly.

Sentiment

Score: 5

Explanation: The sentiment is neutral as this is a routine, pre-planned insider stock sale under a 10b5-1 plan, which does not inherently signal positive or negative developments for the company's operations or financial health.

Positives

• The transaction was conducted under a Rule 10b5-1 trading plan, which indicates a pre-scheduled sale designed to avoid accusations of insider trading and demonstrates adherence to corporate governance best practices.

Negatives

• An insider sale, even if pre-planned, can sometimes be perceived negatively by the market, although the relatively small number of shares sold (1,200) suggests it is not a significant divestment.

Future Outlook

This Form 4 filing, which reports an insider transaction, does not contain any forward-looking statements or guidance regarding the company's future performance or strategic outlook.

Industry Context

Insider transactions, particularly those executed under Rule 10b5-1 plans, are a common occurrence for executives of publicly traded companies. These plans allow insiders to sell a predetermined number of shares at a predetermined time or price, helping them manage personal finances while mitigating concerns about trading on material non-public information. This transaction is routine within the software industry and broader market.

Comparison to Industry Standards

• The use of a Rule 10b5-1 trading plan for insider sales is a widely accepted and standard practice across industries, including the technology and software sectors, for executives like Guidewire's CEO to manage personal liquidity and diversification without violating insider trading regulations.
• Many executives at comparable software companies, such as Salesforce (CRM) or Adobe (ADBE), utilize similar pre-arranged trading plans for their stock transactions.

Corporate Governance

Stakeholder Impact

• Shareholders: The impact is minimal as this is a routine, pre-planned sale by an executive. It does not suggest a change in the company's fundamentals or management's confidence.
• Employees: No direct impact on employees is indicated by this filing.

Key Dates

Recommendation

The reported transaction is a routine sale by the CEO under a pre-arranged 10b5-1 trading plan, which is a common practice for executives to manage personal liquidity. It does not indicate a change in the company's fundamentals or strategic direction, thus a 'hold' recommendation remains appropriate based solely on this filing.

Keywords

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