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Guidewire Software CEO Michael Rosenbaum Sells $245K in Stock Under Rule 10b5-1 Plan

Low SignificanceSeptember 1, 2026 at 10:38:10 PM UTC

Guidewire Software, Inc.

$GWRE4CIK: 0001528396

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Filing Summary

Insider Sale Alert: Guidewire Software, Inc. ($GWRE)Insider: Michael George Rosenbaum (Chief Executive Officer, Director) • Transaction: Sold 1,200 shares of Common Stock at $204.44/share • Total Value: $245,328.00 • Date: August 31, 2026 • Plan: Pre-arranged Rule 10b5-1 Trading Plan adopted October 14, 2025 • Remaining Direct Holdings: 186,576 shares

Comprehensive Analysis

Executive Summary

On August 31, 2026, Michael George Rosenbaum, Chief Executive Officer and Director of Guidewire Software, Inc. ($GWRE), executed a planned sale of 1,200 shares of common stock at a price of $204.44 per share, totaling $245,328.00.

Transaction Details

  • Security: Common Stock
  • Transaction Code: S (Open Market Sale)
  • Shares Sold: 1,200
  • Price Per Share: $204.44
  • Total Transaction Value: $245,328.00
  • Post-Transaction Beneficial Ownership: 186,576 direct shares

Context & Trading Significance

  • Rule 10b5-1 Plan: The transaction was executed under a pre-scheduled Rule 10b5-1 trading plan adopted on October 14, 2025.
  • Significance Assessment: Low. The sale represents approximately 0.64% of CEO Michael Rosenbaum's total direct equity holdings (retaining 186,576 shares). Given the modest size and execution under a pre-established 10b5-1 plan, this transaction represents routine portfolio management rather than a discretionary signal on company outlook.
Topics:#GWRE#Guidewire#InsiderTrading#Form4#StockMarket#TechStocks

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