Rosenbaum Michael George sold $191K of GWRE
Rosenbaum Michael George (Chief Executive Officer) sold 1,200 shares of Guidewire Software, Inc. (GWRE) at $158.92 ($0.19M total) on 2026-06-01 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosure may influence short-term sentiment, but the 10b5-1 plan framing generally lowers the probability of a fundamental change being implied.
Market read
Traders may monitor for follow-on insider activity, but this filing alone is unlikely to drive a durable repricing.
What to watch
The article provides only the sale size and plan status; it does not indicate whether other insiders or institutions are buying/selling around the same time.
Background
This is an SEC Form 4 insider transaction disclosure for Guidewire Software, Inc. (GWRE).
Ticker impact
Guidewire CEO Michael George Rosenbaum sold $190.7K of GWRE shares in an open-market transaction under a 10b5-1 plan.
Low-to-moderate near-term sentiment drag; likely limited fundamental impact.
The filing is a routine Form 4 disclosure with a stated 10b5-1 plan, reducing interpretive weight versus unscheduled selling.
Market effects
Minimal; this is company-specific insider activity with no disclosed operational/regulatory catalyst.
None indicated.
None indicated.
Counterpoint
Because the sale is pre-arranged (10b5-1), the market may overreact; the disclosure may be largely mechanical rather than a bearish signal.
Key entities
- issuerGuidewire Software, Inc.
Subject of the Form 4 insider sale by its CEO.
- insiderMichael George Rosenbaum
CEO and director/officer who sold 1,200 shares at $158.92 under a 10b5-1 plan.



