Rosenbaum Michael George 4

What Happened
Michael George Rosenbaum, CEO of Guidewire Software (GWRE), disposed of 1,200 shares in an open-market sale on March 23, 2026. The shares were sold at $155.56 per share for a total transaction value of $186,672. The sale was executed automatically under a pre-established 10b5-1 trading plan.

Key Details

• Transaction type: Sale (code S) — open market sale
• Transaction date: 2026-03-23; Filing date: 2026-03-24 (timely)
• Price per share: $155.56; Total proceeds: $186,672
• Footnote: Sale was automatic under a 10b5-1 trading plan adopted Oct 14, 2025
• Shares owned after transaction: Not specified in the information provided
• Filing appears timely (no late-filing indication)

Context
Sales under 10b5-1 plans are pre-arranged and routine, and therefore may not reflect the insider’s current view of the company. For retail investors, purchases are generally a stronger signal than scheduled sales; use this disclosure as part of a broader review of insider activity and company fundamentals.