Form 4: Guidewire Software CEO Sells Shares
Insider Transaction (Form 4)
Michael George Rosenbaum, Chief Executive Officer and a Director of Guidewire Software, Inc., sold 73,490 shares of common stock on September 17, 2026.
Summary
- Open-market sale: disposed of 72,290 Common Stock at $144.47 ($10,443,866) on September 17, 2026; holds 280,866 after (Direct).
- Open-market sale: disposed of 1,200 Common Stock at $145.92 ($175,104) on September 21, 2026; holds 279,666 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $10,618,970 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Michael George Rosenbaum — Director, Officer (Chief Executive Officer)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-09-17 | Open-market sale | Common Stock | 72,290 | $144 | $10.4M | 280,866 |
| 2026-09-21 | Open-market sale | Common Stock | 1,200 | $146 | $175.1K | 279,666 |
Key Dates
| Date | Description |
|---|---|
| 2026-09-17 | Open-market sale (72,290 shares) |
| 2026-09-21 | Open-market sale (1,200 shares) |
Keywords
insider transaction, Form 4, GWRE, Guidewire Software, Inc., bearish, Michael George Rosenbaum
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