Form 4: Guidewire Software CEO Sells Shares Under 10b5-1 Plan
Statement of Changes in Beneficial Ownership
Guidewire Software, Inc. (GWRE) reports that CEO Michael George Rosenbaum sold 1,200 shares of common stock on May 4, 2026, as part of a pre-arranged trading plan.
Summary
- Michael George Rosenbaum, CEO of Guidewire Software, Inc. (GWRE), sold 1,200 shares of common stock on May 4, 2026.
- The sale was executed at a price of $141.91 per share.
- This transaction was made automatically under a Rule 10b5-1 trading plan adopted by Mr. Rosenbaum on October 14, 2025.
- Following this transaction, Mr. Rosenbaum beneficially owns 212,806 shares of common stock.
Sentiment
Score: 5
Explanation: StockSavvy.ai views this as a neutral filing. While an insider sale can be a negative signal, the execution under a pre-established 10b5-1 plan mitigates concerns about opportunistic selling based on non-public information.
Negatives
- CEO sale of company stock, though executed under a pre-planned trading strategy, can sometimes be perceived negatively by the market.
Future Outlook
The filing does not contain forward-looking statements or guidance.
Industry Context
StockSavvy.ai notes that insider sales, even those under a 10b5-1 plan, are closely watched by investors as they can signal management's view on the company's valuation. Guidewire Software operates in the cloud-based software sector for the insurance industry, a competitive space where strategic execution and financial performance are key.
Corporate Governance
| Change Type | Description | Effective Date | Impact Assessment |
|---|---|---|---|
| 10b5-1 Trading Plan | Automatic sale of equity securities pursuant to a contract, instruction, or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). | 10/14/2025 | Enhances compliance and reduces the risk of insider trading allegations for planned stock transactions. |
Stakeholder Impact
- Shareholders: May interpret the CEO's stock sale, even if pre-planned, with caution, potentially leading to short-term market reaction.
- Employees: The sale might not have a direct impact, but market perception can influence overall company morale.
- Management: Reinforces adherence to compliance protocols for stock transactions.
Key Dates
| Date | Description |
|---|---|
| 10/14/2025 | Date the Rule 10b5-1 Trading Plan was adopted by Michael George Rosenbaum. |
| 05/04/2026 | Date of the transaction (sale of common stock). |
| 05/05/2026 | Date the Form 4 was signed by the attorney-in-fact. |
Keywords
Guidewire Software, GWRE, Form 4, Insider Trading, 10b5-1 Plan, Stock Sale, CEO, Beneficial Ownership
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