Form 4: Guidewire CEO Sells 1,400 Shares Under 10b5-1 Plan

Guidewire Software CEO Michael George Rosenbaum sold 1,400 shares of common stock for $210.87 per share, an automatic transaction under a pre-arranged 10b5-1 trading plan.

Summary

• Michael George Rosenbaum, Chief Executive Officer and Director of Guidewire Software, Inc. (GWRE), sold 1,400 shares of the company's common stock.
• The transaction occurred on December 8, 2025, at a price of $210.87 per share.
• This sale was an automatic transaction executed pursuant to a Rule 10b5-1 trading plan, which Mr. Rosenbaum adopted on October 15, 2024.
• Following this reported transaction, Mr. Rosenbaum directly beneficially owns 248,158 shares of Guidewire Software common stock.

Sentiment

Score: 5

Explanation: Neutral. While an insider sale can sometimes be viewed negatively, the execution under a pre-arranged 10b5-1 plan mitigates concerns as it indicates a planned liquidity event rather than a reaction to new, undisclosed negative information.

Negatives

• An insider sale, even if pre-planned, can sometimes be perceived negatively by investors as it reduces the insider's direct stake in the company.

Stakeholder Impact

• Shareholders may note the reduction in the CEO's direct shareholding, though the 10b5-1 plan context suggests a pre-planned financial management decision rather than a signal about company performance.

Key Dates

Recommendation

The filing reports a routine insider sale executed under a pre-established 10b5-1 trading plan. This type of transaction is generally not indicative of new material information about the company's performance or outlook. Therefore, it does not provide a basis for a change in investment recommendation, and a 'hold' stance is maintained, pending further fundamental analysis.

Keywords

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