Synopsys (SNPS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-11 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: SYNOPSYS INC (SNPS) CIK: 0000883241 --- Reporting Owner --- Name: LEE JANET CIK: 0001711671 Role: Officer (GC & Corporate Secretary) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-09-11 | Code: M (Exercise of derivative) Shares: +2,283 | Price: $0.00 Shares Owned After: 18,671 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-09-11 | Code: F (Payment of exercise/tax) Shares: -993 | Price: $397.38 Total Value: $394,598.34 Shares Owned After: 17,678 | Ownership: D (Direct) Footnotes: [F1] These shares were retained by the Company in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of the restricted stock unit award. The Compensation Committee approved the disposition of shares by the reporting person and the amount retained by the Company was not in excess of the amount of the tax liability. --- Derivative Transactions --- [Transaction #1] Security: Restricted Stock Units Date: 2026-09-11 | Code: M (Exercise of derivative) Shares: -2,283 | Price: $0.00 Exercise Price: $0.00 Exercisable: N/A | Expires: 2028-09-11 Shares Owned After: 4,565 | Ownership: D (Direct) Footnotes: [F2] Each stock unit converts into one share of Synopsys common stock. [F3] 33% of the units vest on the date shown followed by two equal annual installments, subject to continued service through each vesting date. --- Footnotes (Complete Index) --- F1: These shares were retained by the Company in order to meet the tax withholding obligations of the reporting person in connection with the vesting of an installment of the restricted stock unit award. The Compensation Committee approved the disposition of shares by the reporting person and the amount retained by the Company was not in excess of the amount of the tax liability. F2: Each stock unit converts into one share of Synopsys common stock. F3: 33% of the units vest on the date shown followed by two equal annual installments, subject to continued service through each vesting date. --- Signature --- /s/ By: POA pursuant Mary Lai For: Janet Lee (2026-09-14)