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: 2026-05-07 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CADENCE DESIGN SYSTEMS INC (CDNS) CIK: 0000813672 --- Reporting Owner --- Name: Adams Mark CIK: 0001349123 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-07 | Code: G (Gift) Shares: -779 | Price: $0.00 Shares Owned After: 0 | Ownership: D (Direct) Footnotes: [F1] Shares transferred to the Adams Family Trust dated 10/27/2000. [Transaction #2] Security: Common Stock Date: 2026-05-07 | Code: G (Gift) Shares: +779 | Price: $0.00 Shares Owned After: 12,927 | Ownership: I (Indirect) | Nature: Held by Trust Footnotes: [F1] Shares transferred to the Adams Family Trust dated 10/27/2000. [F2] Shares held by the Adams Family Trust dated 10/27/2000. [Transaction #3] Security: Common Stock Date: 2026-05-07 | Code: A (Grant or award) Shares: +714 | Price: $0.00 Shares Owned After: 714 | Ownership: D (Direct) Footnotes: [F3] Restricted stock award fully vests on the earlier to occur of (i) the first anniversary of the Grant Date and (ii) the date of the next Annual Meeting of Stockholders that follows the Grant Date. --- Footnotes (Complete Index) --- F1: Shares transferred to the Adams Family Trust dated 10/27/2000. F2: Shares held by the Adams Family Trust dated 10/27/2000. F3: Restricted stock award fully vests on the earlier to occur of (i) the first anniversary of the Grant Date and (ii) the date of the next Annual Meeting of Stockholders that follows the Grant Date. --- Signature --- /s/ /s/ Ahalya Hildreth, Attorney-in-Fact for Mark Adams (2026-05-11)