CADENCE DESIGN SYSTEMS INC (CDNS) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-11 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: CADENCE DESIGN SYSTEMS INC (CDNS) CIK: 0000813672 --- Reporting Owner --- Name: PLUMMER JAMES D CIK: 0001242607 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-06-11 | Code: S (Open market sale) Shares: -1,511 | Price: $381.34 Total Value: $576,204.74 Shares Owned After: 23,264 | Ownership: I (Indirect) | Nature: Held by Trust Footnotes: [F1] The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/12/2026 by the Reporting Person. [F2] Shares held by the Plummer Family Trust. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/12/2026 by the Reporting Person. F2: Shares held by the Plummer Family Trust. --- Signature --- /s/ /s/ Ahalya Hildreth, Attorney-in-Fact for James D. Plummer (2026-06-15)