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

Guidewire Software CEO Michael George Rosenbaum sold 1,200 shares of common stock for $127.77 per share under 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 1,200 shares of common stock.
• The shares were sold at a price of $127.77 per share.
• The sale occurred on February 9, 2026.
• This transaction was an automatic sale 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 directly beneficially owns 231,943 shares of Guidewire Software, Inc. common stock.

Sentiment

Score: 6

Explanation: StockSavvy.ai views this as a routine insider transaction. The sale is relatively small and executed under a pre-arranged 10b5-1 plan, which mitigates any negative sentiment typically associated with insider selling.

Positives

• The sale was conducted under a Rule 10b5-1 trading plan, indicating a pre-scheduled transaction rather than an opportunistic sale, which enhances transparency and reduces concerns about trading on material non-public information.

Negatives

• Insider selling, even if pre-planned, can sometimes be perceived negatively by the market, though the amount in this transaction is relatively small compared to the total holdings.

Risks

• No specific risks are detailed in this Form 4 filing beyond the general market perception of insider selling.

Future Outlook

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

Industry Context

StockSavvy.ai notes that the use of Rule 10b5-1 trading plans is a standard practice among corporate executives to manage personal stock holdings, diversify portfolios, and avoid accusations of trading on material non-public information. Such pre-arranged sales are common and generally do not signal a change in the company's fundamental prospects.

Stakeholder Impact

• Shareholders may observe the insider sale, but the pre-planned nature of the transaction under a 10b5-1 plan typically reduces concerns about management's confidence in the company's future.

Key Dates

Recommendation

The reported transaction is a routine, pre-scheduled sale by the CEO under a 10b5-1 plan. The volume of shares sold is not significant enough to suggest a change in the company's fundamentals or warrant a strong buy or sell recommendation. Investors should consider this a standard insider disclosure and not a strong signal for investment action.

Keywords

Guidewire Software, GWRE, Michael George Rosenbaum, insider trading, Form 4, stock sale, 10b5-1 plan, CEO, Director