Synopsys Executive Chair Exercises Options and Sells $21.4M Under 10b5-1 Plan

Executive Summary

On September 2, 2026, Synopsys Inc ($SNPS) Executive Chair and Director Aart de Geus filed a Form 4 disclosing the exercise of expiring stock options and the subsequent sale of 49,641 shares of common stock, generating gross proceeds of approximately $21.38 million.

Transaction Breakdown

• August 31, 2026:
  • Exercised options for 25,000 shares at an exercise price of $135.88 per share.
  • Sold 25,000 shares at a weighted-average price of $441.76 ($435.88 – $445.70 range) for ~$11.04M.
  • Acquired 22 shares via the Employee Stock Purchase Plan (ESPP) at $360.961.
• September 1, 2026:
  • Exercised remaining options for 24,641 shares at $135.88 per share.
  • Sold 24,641 shares at a weighted-average price of $419.44 ($413.99 – $430.26 range) for ~$10.34M.

Context & Significance

• 10b5-1 Plan: The transactions were executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on October 14, 2025.
• Option Expiration: The options exercised had an expiration date of December 12, 2026, indicating routine liquidity and scheduled execution ahead of option expiry.
• Post-Transaction Ownership: Following these transactions, de Geus directly owns 120,443 shares and indirectly holds 323,291 shares (308,791 via Family Trust and 14,500 via Partnership), retaining substantial equity exposure of 443,734 total shares in Synopsys.