CADENCE DESIGN SYSTEMS INC (CDNS) · 4/A SEC Filing

=== SEC Form 4/A — Statement of Changes in Beneficial Ownership === Document Type: 4/A Period of Report: 2026-05-15 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: CADENCE DESIGN SYSTEMS INC (CDNS) CIK: 0000813672 --- Reporting Owner --- Name: Scannell Paul CIK: 0002031609 Role: Officer (Sr. Vice President) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-15 | Code: F (Payment of exercise/tax) Shares: -75 | Price: $347.24 Total Value: $26,043.00 Shares Owned After: 33,252 | Ownership: D (Direct) Footnotes: [F1] This Form 4 is being filed late due to an inadvertent administrative oversight and not any error of the reporting person. [F2] Shares withheld to satisfy tax obligations arising out of vesting of Restricted Stock Award. [Transaction #2] Security: Common Stock Date: 2026-05-18 | Code: S (Open market sale) Shares: -1,071 | Price: $345.06 Total Value: $369,559.26 Shares Owned After: 32,181 | Ownership: D (Direct) Footnotes: [F3] The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 9/9/2025 by the Reporting Person. --- Footnotes (Complete Index) --- F1: This Form 4 is being filed late due to an inadvertent administrative oversight and not any error of the reporting person. F2: Shares withheld to satisfy tax obligations arising out of vesting of Restricted Stock Award. F3: The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 9/9/2025 by the Reporting Person. --- Signature --- /s/ /s/ Ahalya Hildreth, Attorney-in-Fact for Paul Scannell (2026-05-20)