Guidewire Software President John P. Mullen Sells $336.9K in Common Stock Under Rule 10b5-1 Plan

Transaction Overview

On October 26, 2026, John P. Mullen, President of Guidewire Software, Inc. ($GWRE), executed an open-market sale of 1,800 shares of common stock at a price of $187.19 per share. The aggregate value of the transaction totaled $336,942.00.

Nature of the Trade & 10b5-1 Plan

According to the filing, this disposition was executed automatically under a pre-established Rule 10b5-1 trading plan adopted on October 14, 2025, and subsequently amended on January 13, 2026. Rule 10b5-1 trading plans allow corporate insiders to establish predetermined schedules for selling shares, mitigating the risk of trading on material non-public information.

Impact on Insider Holdings

Prior to this transaction, Mr. Mullen directly held 178,247 shares. Following the disposal of 1,800 shares, his direct holdings stand at 176,447 shares. The sale represents approximately 1.01% of his total reported direct common stock position, indicating that the executive retains substantial equity exposure to Guidewire Software.

Significance Assessment

The transaction is categorized as Low trading significance due to its routine scale relative to the insider's total equity holdings, execution under a pre-scheduled Rule 10b5-1 trading plan, and modest aggregate transaction size.