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

Guidewire Software CEO Michael George Rosenbaum reported an automatic sale of 1,200 shares of common stock at $140.01 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 shares were sold at a price of $140.01 per share.
• The transaction occurred on February 2, 2026.
• 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 233,143 shares of Common Stock directly.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event. While it's an insider sale, the execution under a pre-arranged 10b5-1 plan mitigates concerns about opportunistic timing, making it less indicative of management's immediate sentiment on the stock's future.

Positives

• The sale was conducted under a Rule 10b5-1 trading plan, which demonstrates a pre-arranged, compliant approach to insider trading, mitigating concerns about trading on material non-public information.

Negatives

• An insider, specifically the Chief Executive Officer, sold shares, which can sometimes be interpreted by investors as a signal, even if pre-planned.

Management Comments

• The sale was an automatic transaction pursuant to a 10b5-1 Trading Plan adopted by the Reporting Person on October 14, 2025.

Industry Context

StockSavvy.ai notes that Rule 10b5-1 trading plans are common among corporate insiders, allowing them to pre-arrange sales or purchases of company stock at a time when they are not in possession of material non-public information. This practice helps insiders manage their personal finances while adhering to SEC regulations, distinguishing such transactions from opportunistic selling.

Stakeholder Impact

• Shareholders: The sale by a key executive could be viewed with slight caution, though the pre-planned nature under a 10b5-1 plan typically reduces its perceived negative impact on investor confidence.

Key Dates

Recommendation

A single, pre-planned insider sale under a 10b5-1 plan, especially of a relatively small number of shares compared to total holdings, is generally not considered a strong signal for a significant change in investment strategy. It's a routine financial management activity for executives, suggesting a 'hold' recommendation as it doesn't provide new fundamental insights to warrant a buy or sell.

Keywords

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