PLUMMER JAMES D 4

What Happened James D. Plummer, a director of Cadence Design Systems (CDNS), sold 1,511 shares in an open-market transaction on June 11, 2026 at $381.34 per share, generating gross proceeds of $576,205. The filing lists the transaction as a sale (S).

Key Details

• Transaction date and price: June 11, 2026 — 1,511 shares at $381.34 per share.
• Total value: Approximately $576,205 (gross).
• Method: Open-market sale reported as code S.
• Plan/authorization: Transaction effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Plummer on March 12, 2026 (footnote F1).
• Ownership note: Shares are held by the Plummer Family Trust (footnote F2). The filing summary provided does not specify total shares owned after the sale.
• Filing/timeliness: Form 4 was filed on June 15, 2026, which is within the typical two-business-day reporting window for Form 4s.

Context This was a sale rather than a purchase; sales by insiders can be routine (liquidity, diversification, tax planning) and do not by themselves indicate a change in outlook. The use of a Rule 10b5-1 plan means the sale was made under a pre-established trading arrangement.