Rosenbaum Michael George sold $149K of GWRE
Rosenbaum Michael George (Chief Executive Officer) sold 1,200 shares of Guidewire Software, Inc. (GWRE) at $124.29 ($0.15M total) on 2026-06-29 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The only new information is the disclosed sale details (shares, price, total value) and that it was executed under a pre-arranged 10b5-1 plan; no new business developments are provided.
Market read
Traders may note the insider sale for sentiment, but the 10b5-1 framing reduces interpretive weight versus unscheduled selling.
What to watch
The article lacks context on total insider holdings over time, other concurrent insider trades, and whether the sale size is material relative to the CEO’s broader position.
Background
The filing is an SEC Form 4 insider transaction for Guidewire Software, Inc., reported by the CEO.
Ticker impact
SEC Form 4 shows CEO Michael George Rosenbaum sold 1,200 GWRE shares on 2026-06-29 under a 10b5-1 plan at $124.29.
Low likelihood of sustained price impact; any effect is likely short-lived around the filing date.
The disclosure is a Form 4 insider transaction with a stated pre-arranged 10b5-1 plan, and the article contains no new operating, guidance, or regulatory information.
Market effects
Minimal; this is company-specific insider trading with no sector-wide catalyst.
None indicated.
None indicated.
Counterpoint
Because the sale is explicitly under a 10b5-1 plan, it may reflect scheduled liquidity needs rather than bearish expectations.
Key entities
- public_companyGuidewire Software, Inc.
Issuer of the Form 4 insider transaction; CEO sold shares under a 10b5-1 plan.
- insiderMichael George Rosenbaum
CEO and officer/director who reported the open-market sale.



