Cadence Design Systems (CDNS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-17 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: CADENCE DESIGN SYSTEMS INC (CDNS) CIK: 0000813672 --- Reporting Owner --- Name: Cunningham Paul CIK: 0001847883 Role: Officer (Sr. Vice President) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-17 | Code: M (Exercise of derivative) Shares: +1,000 | Price: $138.02 Total Value: $138,020.00 Shares Owned After: 126,586 | Ownership: D (Direct) Footnotes: [F1] The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/16/2026 by the Reporting Person. [Transaction #2] Security: Common Stock Date: 2026-08-17 | Code: S (Open market sale) Shares: -2,000 | Price: $323.32 Total Value: $646,640.00 Shares Owned After: 124,586 | Ownership: D (Direct) Footnotes: [F1] The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/16/2026 by the Reporting Person. --- Derivative Transactions --- [Transaction #1] Security: Non- Qualified Stock Option (right to buy) Date: 2026-08-17 | Code: M (Exercise of derivative) Shares: -1,000 | Price: $0.00 Exercisable: N/A | Expires: 2028-02-25 Shares Owned After: 7,328 | Ownership: D (Direct) Footnotes: [F2] These options vested at a rate of 1/48th per month starting on March 25, 2021. --- Footnotes (Complete Index) --- F1: The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/16/2026 by the Reporting Person. F2: These options vested at a rate of 1/48th per month starting on March 25, 2021. --- Signature --- /s/ /s/ Ahalya Hildreth, Attorney-in-Fact for Paul Cunningham (2026-08-19)