Rosenbaum Michael George sold $841K of GWRE
Rosenbaum Michael George (Chief Executive Officer) sold 7,030 shares of Guidewire Software, Inc. (GWRE) at an average of $119.61 ($118.74–$123.85, $0.84M total) across 2 trades over 2026-06-15 to 2026-06-16 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest fact is the CEO’s open-market sale amount, share count, execution dates, and confirmation that it was under a pre-arranged 10b5-1 plan.
Market read
Insider selling can influence short-term sentiment, but 10b5-1 typically limits interpretive value versus discretionary sales.
What to watch
Traders may overreact to insider selling; the key is whether there are concurrent buys, guidance changes, or other catalysts—none are present in this text.
Background
The article is an SEC Form 4 insider transaction disclosure for Guidewire Software, Inc. (GWRE).
Ticker impact
CEO Michael George Rosenbaum sold $840,891 of Guidewire Software shares via a 10b5-1 plan (7,030 shares) on 2026-06-15 to 2026-06-16.
Near-term: modest downward bias or volatility around the filing/settlement window; longer-term impact likely minimal given pre-arranged 10b5-1.
The disclosure is a Form 4 insider sale (not a buy) and is sizable in dollars, but it is explicitly pre-arranged under Rule 10b5-1, which typically reduces interpretive weight.
Market effects
No clear sector read-through; this is company-specific insider transaction data.
None indicated beyond potential single-name sentiment effects.
None indicated.
Counterpoint
Because the trades were executed under a pre-arranged 10b5-1 plan, the sale may be purely mechanical (liquidity/tax) and not a bearish signal.
Key entities
- issuerGuidewire Software, Inc.
Subject of the Form 4 insider sale disclosure.
- insiderMichael George Rosenbaum
CEO and director who sold shares under a Rule 10b5-1 plan.
