Cadence Design Systems Officer Files Form 144 to Sell $1.67M in Common Stock

Executive Summary

On September 15, 2026, Paul Cunningham, an Officer of Cadence Design Systems, Inc. ($CDNS), filed SEC Form 144 indicating an intention to sell up to 6,000 shares of common stock with an aggregate market value of approximately $1,674,360 ($279.06 per share).

Transaction Details

• Filer: Paul Cunningham (Officer)
• Issuer: Cadence Design Systems, Inc. ($CDNS)
• Shares to be Sold: 6,000 common shares
• Estimated Aggregate Market Value: $1,674,360.00
• Broker: Morgan Stanley Smith Barney LLC Executive Financial Services
• Approximate Sale Date: September 15, 2026
• Trading Plan Adoption Date: March 16, 2026 (Rule 10b5-1 Plan)

Origin of Securities

• 3,000 shares: Acquired via Stock Option Exercise on September 15, 2026 (Cash payment).
• 3,000 shares: Acquired via Performance Stock Units on March 15, 2024.

Prior Sales (Past 3 Months)

• August 17, 2026: 2,000 shares sold for gross proceeds of $646,640.00.
• July 15, 2026: 2,000 shares sold for gross proceeds of $766,720.00.

Market & Significance Impact

Trading significance is considered Low because the sale represents a routine transaction executed pursuant to a pre-arranged Rule 10b5-1 trading plan established on March 16, 2026. The 6,000 shares represent a negligible fraction of Cadence's 275,393,000 shares outstanding.