Rosenbaum Michael George sold $225K of GWRE
Rosenbaum Michael George (Chief Executive Officer) sold 1,200 shares of Guidewire Software, Inc. (GWRE) at $187.19 ($0.22M total) on 2026-10-26 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale provides a fresh data point for investors but is unlikely to move the stock significantly.
Market read
A routine insider sale with modest size; limited trading relevance.
What to watch
The CEO retains a large stake, and the transaction size is modest compared with total float.
Background
Form 4 filings disclose insider transactions; a 10b5‑1 plan sale by a CEO is a standard reporting event.
Ticker impact
CEO Michael George Rosenbaum sold 1,200 shares for $224,628 via a 10b5‑1 plan, reducing his stake to 273,666 shares.
likely pressure as the market prices in the insider sell
The sale is small relative to holdings but is a direct reduction by the CEO, which can be interpreted as a weak bearish signal.
Market effects
Minimal impact on the broader software sector.
No regional effect beyond the company's share price.
Limited to investors tracking Guidewire.
Counterpoint
The sale could be routine under a pre‑arranged plan and not reflect any negative outlook.
Key entities
- companyGuidewire Software, Inc.
Provider of core system software for the insurance industry.
- personMichael George Rosenbaum
Chief Executive Officer of Guidewire.



