SNPS · Synopsys Inc

Each stock unit converts into one share of Synopsys common stock.

One-sixth (1/6) of the units vest on the date shown followed by five equal semi-annual installments, subject to continued service through each vesting date.

Each stock unit converts into one share of Synopsys common stock.

One-sixth (1/6) of the units vest on the date shown followed by five equal semi-annual installments, subject to continued service through each vesting date.

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.

Each stock unit converts into one share of Synopsys common stock.

One-sixth (1/6) of the units vest on the date shown followed by five equal semi-annual installments, subject to continued service through each vesting date.

Each stock unit converts into one share of Synopsys common stock.

One-sixth (1/6) of the units vest on the date shown followed by five equal semi-annual installments, subject to continued service through each vesting date.

Each stock unit converts into one share of Synopsys common stock.

One-sixth (1/6) of the units vest on the date shown followed by five equal semi-annual installments, subject to continued service through each vesting date.

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.

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.

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.

Each stock unit converts into one share of Synopsys common stock.

One-sixth (1/6) of the units vest on the date shown followed by five equal semi-annual installments, subject to continued service through each vesting date.

Represents a weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from $454.56 to $462.99. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range.

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.

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.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan that was adopted September 19, 2025.

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.

Each stock unit converts into one share of Synopsys common stock.

One-sixth (1/6) of the units vest on the date shown followed by five equal semi-annual installments, subject to continued service through each vesting date.

The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan that was adopted January 13, 2026.

Represents a weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from $450.00 to $457.95. The Reporting Person has provided to the Issuer, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price within the range.

The reporting person transferred 17,752 shares into the Karl and Shelagh Glaser Revocable Trust. The Transfer is exempt from Section 16 by virtue of Rule 16a-13. The shares are indirectly held by the reporting person through the Karl and Shelagh Glaser Revocable Trust.

The shares subject to the Award will vest on the date immediately preceding the first Annual Meeting following the Date of Grant, subject to the Eligible Director's continued Board service through such date.

Automatic award under the Amended and Restated Equity Incentive Plan.

Each stock unit converts into one share of Synopsys common stock.

The award vests on the date shown followed by quarterly installments, subject to continued service through each vesting date.

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.

The shares subject to the Award will vest in equal installments on the date immediately preceding each of the first three Annual Meetings following the Date of Grant, subject to the Eligible Director's continued Board service through such dates.

Automatic award under the Amended and Restated Equity Incentive Plan.

Each stock unit converts into one share of Synopsys common stock.

The award vests on the date shown followed by quarterly installments, subject to continued service through each vesting date.

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.

The shares subject to the Award will vest on the date immediately preceding the first Annual Meeting following the Date of Grant, subject to the Eligible Director's continued Board service through such date.

Automatic award under the Amended and Restated Equity Incentive Plan.

The shares subject to the Award will vest on the date immediately preceding the first Annual Meeting following the Date of Grant, subject to the Eligible Director's continued Board service through such date.

Automatic award under the Amended and Restated Equity Incentive Plan.

The shares subject to the Award will vest on the date immediately preceding the first Annual Meeting following the Date of Grant, subject to the Eligible Director's continued Board service through such date.

Automatic award under the Amended and Restated Equity Incentive Plan.

The shares subject to the Award will vest on the date immediately preceding the first Annual Meeting following the Date of Grant, subject to the Eligible Director's continued Board service through such date.

Automatic award under the Amended and Restated Equity Incentive Plan.

The shares subject to the Award will vest on the date immediately preceding the first Annual Meeting following the Date of Grant, subject to the Eligible Director's continued Board service through such date.

Automatic award under the Amended and Restated Equity Incentive Plan.

The shares subject to the Award will vest on the date immediately preceding the first Annual Meeting following the Date of Grant, subject to the Eligible Director's continued Board service through such date.

Automatic award under the Amended and Restated Equity Incentive Plan.

The shares subject to the Award will vest on the date immediately preceding the first Annual Meeting following the Date of Grant, subject to the Eligible Director's continued Board service through such date.

Automatic award under the Amended and Restated Equity Incentive Plan.

The shares subject to the Award will vest on the date immediately preceding the first Annual Meeting following the Date of Grant, subject to the Eligible Director's continued Board service through such date.

Automatic award under the Amended and Restated Equity Incentive Plan.

Prior to April 16, 2026, the reporting person held 491 shares under direct ownership and 1,899 shares under indirect ownership. On April 16, 2026 the reporting person transferred the 491 shares held under direct ownership into the Mercedes Johnson Trust. The transfer is exempt from Section 16 by virtue of Rule 16a-13. The shares are indirectly held by the reporting person through the Mercedes Johnson Trust.

Each stock unit converts into one share of Synopsys common stock.

25% of the units vest on the date shown followed by three equal annual installments, subject to continued service through each vesting date.

Each stock unit converts into one share of Synopsys common stock.

25% of the units vest on the date shown followed by three equal annual installments, subject to continued service through each vesting date.

Each stock unit converts into one share of Synopsys common stock.

25% of the units vest on the date shown followed by three equal annual installments, subject to continued service through each vesting date.

Each stock unit converts into one share of Synopsys common stock.

25% of the units vest on the date shown followed by three equal annual installments, subject to continued service through each vesting date.

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.