Cadence Design Systems Director Sells Shares Under Rule 10b5-1 Plan

Executive Summary

On September 10, 2026, Brennan Ita M, a Director at Cadence Design Systems, Inc. ($CDNS), executed open-market sales totaling 180 shares of Common Stock for an aggregate value of approximately $51,392 at a volume-weighted average price of $285.51 per share.

Transaction Details

The transaction occurred across multiple tranches on September 10, 2026:

• 33 shares at a weighted average price of $284.4376 (range: $283.98 – $284.94)
• 127 shares at a weighted average price of $285.5766 (range: $285.02 – $286.01)
• 14 shares at a weighted average price of $286.4686 (range: $286.09 – $286.85)
• 6 shares at a weighted average price of $287.7900 (range: $287.60 – $287.97)

Following these dispositions, the reporting owner directly retains 7,824 shares of Cadence Design Systems common stock.

Governance & Context

• Plan Details: The sales were executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on November 24, 2025.
• Significance: Low. The transaction size (~$51.4K) represents a minimal portion (~2.25%) of the director's holdings and was executed under an automated Rule 10b5-1 plan, indicating routine portfolio management rather than a sentiment-driven signal.