Cadence Design Systems (CDNS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-21 10b5-1 Pre-arranged Plan: Yes --- 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: 2026-08-21 | Code: M (Exercise of derivative) Shares: +1,000 | Price: $202.94 Total Value: $202,940.00 Shares Owned After: 142,781 | Ownership: D (Direct) Footnotes: [F1] The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 2/20/2026 by the Reporting Person. [Transaction #2] Security: Common Stock Date: 2026-08-21 | Code: S (Open market sale) Shares: -4,732 | Price: $314.49 Total Value: $1,488,166.68 Shares Owned After: 138,049 | Ownership: D (Direct) Footnotes: [F1] The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 2/20/2026 by the Reporting Person. --- Derivative Transactions --- [Transaction #1] Security: Non- Qualified Stock Option (right to buy Date: 2026-08-21 | Code: M (Exercise of derivative) Shares: -1,000 | Price: $0.00 Exercise Price: $202.94 Exercisable: N/A | Expires: 2030-03-15 Shares Owned After: 8,668 | Ownership: D (Direct) Footnotes: [F2] Option vests at a rate of 1/48th per month. --- Footnotes (Complete Index) --- F1: The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 2/20/2026 by the Reporting Person. F2: Option vests at a rate of 1/48th per month. --- Signature --- /s/ /s/ Ahalya Hildreth, Attorney-in-Fact for Chin-Chi Teng (2026-08-25)