Cadence Design Systems (CDNS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-16 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: CADENCE DESIGN SYSTEMS INC (CDNS) CIK: 0000813672 --- Reporting Owner --- Name: TENG CHIN-CHI CIK: 0001751946 Role: Officer (Sr. Vice President) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-03-16 | Code: F (Payment of exercise/tax) Shares: -16,598 | Price: $292.72 Total Value: $4,858,566.56 Shares Owned After: 100,234 | Ownership: D (Direct) Footnotes: [F1] Shares withheld to satisfy tax obligations arising out of vesting of Performance-Based Restricted Stock Units that have met the performance criteria. [F2] Amount of securities beneficially owned includes 70 shares acquired by the Reporting Person through the Employee Stock Purchase Plan on January 30, 2026. [Transaction #2] Security: Common Stock Date: 2026-03-16 | Code: F (Payment of exercise/tax) Shares: -1,827 | Price: $292.72 Total Value: $534,799.44 Shares Owned After: 98,407 | Ownership: D (Direct) Footnotes: [F3] Shares withheld to satisfy tax obligations arising out of vesting of Performance-Based Incentive Stock Awards. [Transaction #3] Security: Common Stock Date: 2026-03-16 | Code: A (Grant or award) Shares: +13,386 | Price: $0.00 Shares Owned After: 111,793 | Ownership: D (Direct) Footnotes: [F4] Grant of Restricted Stock Units. [Transaction #4] Security: Common Stock Date: 2026-03-17 | Code: F (Payment of exercise/tax) Shares: -2,362 | Price: $293.75 Total Value: $693,837.50 Shares Owned After: 109,431 | Ownership: D (Direct) Footnotes: [F5] Shares withheld to satisfy tax obligations arising out of vesting of Restricted Stock Units. --- Footnotes (Complete Index) --- F1: Shares withheld to satisfy tax obligations arising out of vesting of Performance-Based Restricted Stock Units that have met the performance criteria. F2: Amount of securities beneficially owned includes 70 shares acquired by the Reporting Person through the Employee Stock Purchase Plan on January 30, 2026. F3: Shares withheld to satisfy tax obligations arising out of vesting of Performance-Based Incentive Stock Awards. F4: Grant of Restricted Stock Units. F5: Shares withheld to satisfy tax obligations arising out of vesting of Restricted Stock Units. --- Signature --- /s/ /s/ Ahalya Hildreth, Attorney-in-Fact for Chin-Chi Teng (2026-03-18)