| 2026-05-27 | 8-K | 10.1 | Cooperation Agreement, by and among Elliott Investment Management L.P., Elliott Associates, L.P., Elliott International, L.P. and Synopsys, Inc., dated as of May 26, 2026. |
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| 2026-05-27 | 10-Q | 10.4 | Non-Employee Director Compensation Policy |
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| 2026-05-27 | 10-Q | 10.3 | Form of Non-Employee Director Restricted Stock Grant Notice and Award Agreement under Amended and Restated Equity Incentive Plan |
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| 2026-05-27 | 10-Q | 10.2 | Form of Restricted Stock Unit Grant Notice and Award Agreement under Amended and Restated Equity Incentive Plan |
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| 2026-04-20 | 8-K | 10.1 | Amended and Restated Equity Incentive Plan |
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| 2026-02-25 | 10-Q | 10.1 | Offer Letter dated July 17, 2025 by and between Synopsys, Inc. and Janet Lee |
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| 2025-09-09 | 10-Q | 10.2 | Transition Letter, dated July 17, 2025, between Synopsys, Inc. and John F. Runkel, Jr. |
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| 2025-09-09 | 10-Q | 10.1 | Separation Agreement and General Release, dated July 17, 2025, between Synopsys, Inc. and Ajei Gopal |
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| 2025-04-11 | 8-K | 10.2 | Employee Stock Purchase Plan, as amended |
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| 2025-04-11 | 8-K | 10.1 | 2006 Employee Equity Incentive Plan, as amended |
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| 2024-04-12 | 8-K | 10.1 | 2006 Employee Equity Incentive Plan, as amended |
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| 2023-12-21 | 8-K/A | 10.2 | Executive Chairperson Agreement, dated December 20, 2023 between Synopsys, Inc. and Dr. Aart J. de Geus |
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| 2023-12-21 | 8-K/A | 10.1 | Employment Agreement, dated December 20, 2023 between Synopsys, Inc. and Mr. Sassine Ghazi |
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| 2023-04-14 | 8-K | 10.4 | Form of Notice of Grant of Stock Options and Option Agreement under 2006 Employee Equity Incentive Plan |
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| 2023-04-14 | 8-K | 10.3 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2023-04-14 | 8-K | 10.2 | 2006 Employee Equity Incentive Plan, as amended |
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| 2023-02-17 | 10-Q | 10.1 | Executive Incentive Plan, as amended |
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| 2022-12-14 | 8-K | 10.1 | Fifth Extension and Amendment Agreement, dated December 14, 2022, among Synopsys as Borrower, the Lenders parties thereto and JPMorgan Chase Bank, N.A., as administrative agent for the lenders. |
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| 2022-11-29 | 8-K | 10.1 | Offer Letter dated November 23, 2022 by and between Shelagh Glaser and Synopsys, Inc. |
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| 2022-04-15 | 8-K | 10.6 | Employee Stock Purchase Plan, as amended |
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| 2022-04-15 | 8-K | 10.5 | Form of Stock Option Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2022-04-15 | 8-K | 10.4 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2022-04-15 | 8-K | 10.3 | 2006 Employee Equity Incentive Plan, as amended |
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| 2022-02-18 | 10-Q | 10.3 | Form of Stock Option Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2022-02-18 | 10-Q | 10.2 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2021-12-06 | 8-K | 10.1 | Executive Incentive Plan, as amended and restated on December 3, 2021 |
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| 2021-05-21 | 10-Q | 10.2 | Relocation Assistance Agreement, dated April 30, 2021, by and between Synopsys, Inc. and Sassine Ghazi |
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| 2021-04-12 | 8-K | 10.4 | 2006 Employee Equity Incentive Plan, as amended |
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| 2021-02-09 | 8-K | 10.1 | Executive Severance Benefit and Transition Plan |
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| 2021-01-25 | 8-K | 10.1 | Conformed Credit Agreement, as amended and restated pursuant to that certain Fourth Extension and Amendment Agreement, dated January 22, 2021, among Synopsys as Borrower, the Lenders parties thereto and JPMorgan Chase Bank, N.A., as administrative agent for the lenders. |
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| 2020-04-15 | 8-K | 10.7 | Employee Stock Purchase Plan, as amended |
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| 2020-04-15 | 8-K | 10.6 | Form of Notice of Grant of Stock Options and Option Agreement under 2006 Employee Equity Incentive Plan |
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| 2020-04-15 | 8-K | 10.5 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2020-04-15 | 8-K | 10.4 | 2006 Employee Equity Incentive Plan, as amended |
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| 2019-04-09 | 8-K | 10.4 | 2006 Employee Equity Incentive Plan, as amended |
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| 2018-04-06 | 8-K | 10.7 | Employee Stock Purchase Plan, as amended |
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| 2018-04-06 | 8-K | 10.6 | Form of Notice of Grant of Stock Options and Option Agreement under 2006 Employee Equity Incentive Plan |
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| 2018-04-06 | 8-K | 10.5 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2018-04-06 | 8-K | 10.4 | 2006 Employee Equity Incentive Plan, as amended |
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| 2017-12-14 | 10-K | 10.10 | Form of Stock Options Grant Notice and Option Agreement under 2017 Non-Employee Directors Equity Incentive Plan |
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| 2017-12-14 | 10-K | 10.9 | Form of Restricted Stock Grant Notice and Award Agreement under 2017 Non-Employee Directors Equity Incentive Plan |
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| 2017-04-10 | 8-K | 10.8 | 2017 Non-Employee Directors Equity Incentive Plan |
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| 2017-04-10 | 8-K | 10.4 | 2006 Employee Equity Incentive Plan, as amended |
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| 2017-02-17 | 10-Q | 10.6 | Form of Notice of Grant of Stock Options and Option Agreement under 2006 Employee Equity Incentive Plan |
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| 2017-02-17 | 10-Q | 10.5 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2016-12-21 | 8-K | 10.19 | Amended and Restated Executive Change of Control Severance Benefit Plan, as amended on December 15, 2016 |
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| 2016-12-21 | 8-K | 10.18 | Executive Incentive Plan, as amended on December 15, 2016 |
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| 2016-12-21 | 8-K | 10.17 | Amended and Restated Employment Agreement, dated December 15, 2016, by and between Synopsys, Inc. and Dr. Chi-Foon Chan |
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| 2016-12-21 | 8-K | 10.16 | Amended and Restated Employment Agreement, dated December 15, 2016, by and between Synopsys, Inc. and Dr. Aart de Geus |
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| 2016-11-30 | 8-K | 10.1 | Amended and Restated Credit Agreement, dated November 28, 2016, among Synopsys as Borrower; the several Lenders from time to time parties thereto; Bank of America, N.A., the Bank of Tokyo-Mitsubishi UFJ, Ltd., and Wells Fargo Bank, N.A., as Co-Syndication Agents; HSBC Bank USA, N.A. and U.S. Bank, N.A., as Co-Documentation Agents; and JPMorgan Chase Bank, N.A., as Administrative Agent; and JPMorgan Chase Bank, N.A., Merrill Lynch, Pierce, Fenner & Smith Incorporated, the Bank of Tokyo-Mitsubishi UFJ, Ltd., and Wells Fargo Securities, LLC, as Co-Lead Arrangers and Co-Bookrunners. |
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| 2016-04-01 | 8-K | 10.7 | Employee Stock Purchase Plan, as amended |
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| 2016-04-01 | 8-K | 10.4 | 2006 Employee Equity Incentive Plan, as amended |
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| 2015-12-14 | 10-K | 10.15 | Non-Employee Director Compensation Arrangements |
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| 2015-12-14 | 10-K | 10.6 | Form of Notice of Grant of Stock Options and Option Agreement under 2006 Employee Equity Incentive Plan |
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| 2015-12-14 | 10-K | 10.5 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2015-05-22 | 10-Q | 10.25 | Form of Notice of Grant of Stock Options and Option Agreement under 2006 Employee Equity Incentive Plan |
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| 2015-05-22 | 10-Q | 10.24 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2015-05-22 | 10-Q | 10.10.III | Second Amendment to the Lease Agreement dated October 14, 2011 between Synopsys, Inc. and 690 E. Middlefield Road Fee, LLC |
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| 2015-05-20 | 8-K | 10.15 | Amended and Restated Credit Agreement, dated May 19, 2015, among Synopsys as Borrower; the several Lenders from time to time parties thereto; Bank of America, N.A. and Wells Fargo Bank, N.A. as Co-Syndication Agents; HSBC Bank USA, N.A., U.S. Bank, N.A., and MUFG Union Bank, N.A., as Co-Documentation Agents; and JPMorgan Chase Bank, N.A., as Administrative Agent. |
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| 2015-04-06 | 8-K | 10.23 | 2006 Employee Equity Incentive Plan, as amended |
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| 2014-12-15 | 10-K | 10.25 | Form of Notice of Grant of Stock Options and Option Agreement under 2006 Employee Equity Incentive Plan |
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| 2014-12-15 | 10-K | 10.24 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2014-04-04 | 8-K | 10.24 | 2006 Employee Equity Incentive Plan, as amended |
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| 2014-04-04 | 8-K | 10.19 | 2005 Non-Employee Directors Equity Incentive Plan, as amended |
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| 2014-04-04 | 8-K | 10.12 | Employee Stock Purchase Plan, as amended |
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| 2013-12-20 | 10-K | 10.26 | Form of Notice of Grant of Stock Options and Option Agreement under 2006 Employee Equity Incentive Plan |
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| 2013-12-20 | 10-K | 10.25 | Form of Restricted Stock Unit Grant Notice and Award Agreement under 2006 Employee Equity Incentive Plan |
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| 2013-04-08 | 8-K | 10.24 | 2006 Employee Equity Incentive Plan, as amended |
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| 2013-03-04 | 10-Q | 10.10.II | First Amendment to Lease Agreement dated October 14, 2011 between Synopsys, Inc. and 690 E. Middlefield Road Fee, LLC |
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| 2012-12-20 | 10-K | 10.10.I | NOTIFICATION OF CHANGE OF OWNERSHIP OF LEASED PREMISES |
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| 2012-12-20 | 10-K | 10.8.III | THIRD AMENDMENT TO THE JANUARY 2, 1996 LEASE |
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| 2012-12-20 | 10-K | 10.8.IV | FOURTH AMENDMENT TO THE JANUARY 2, 1996 LEASE |
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| 2012-12-20 | 10-K | 10.8.V | NOTIFICATION OF CHANGE OF OWNERSHIP OF LEASED PREMISES |
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| 2012-12-20 | 10-K | 10.6.I | AMENDMENT NO. 1 TO THE JUNE 23, 1993 LEASE |
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| 2012-12-20 | 10-K | 10.5.I | AMENDMENT NO. 1 TO THE JUNE 16, 1992 LEASE |
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| 2012-12-20 | 10-K | 10.5.II | AMENDMENT NO. 2 TO THE JUNE 16, 1992 LEASE |
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| 2012-12-20 | 10-K | 10.3.II | AMENDMENT NO. 2 TO THE AUGUST 17, 1990 LEASE |
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| 2012-12-20 | 10-K | 10.3.IV | AMENDMENT NO. 4 TO THE AUGUST 17, 1990 LEASE |
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| 2012-04-05 | 8-K | 10.35 | 2006 EMPLOYEE EQUITY INCENTIVE PLAN |
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| 2012-04-05 | 8-K | 10.21 | EMPLOYEE STOCK PURCHASE PLAN |
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| 2012-02-22 | 8-K | 10.45 | AMENDED AND RESTATED CREDIT AGREEMENT |
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| 2011-12-16 | 10-K | 10.34 | FORM OF STOCK OPTIONS GRANT NOTICE AND OPTION AGREEMENT |
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| 2011-12-16 | 10-K | 10.33 | FORM OF RESTRICTED STOCK GRANT NOTICE AND AWARD AGREEMENT |
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| 2011-12-16 | 10-K | 10.19 | LEASE AGREEMENT |
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| 2011-10-18 | 8-K | 10.43 | CREDIT AGREEMENT |
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| 2011-09-02 | 10-Q | 10.37 | FORM OF RESTRICTED STOCK UNIT GRANT NOTICE AND AWARD AGREEMENT |
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| 2011-09-02 | 10-Q | 10.34 | FORM OF NOTICE OF GRANT OF STOCK OPTIONS AND OPTION AGREEMENT |
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| 2011-03-25 | 8-K | 10.33 | 2006 EMPLOYEE EQUITY INCENTIVE PLAN, AS AMENDED |
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| 2010-12-17 | 10-K | 10.27 | DIRECTOR COMPENSATION ARRANGEMENTS |
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| 2010-03-31 | 8-K | 10.30 | 2005 NON-EMPLOYEE DIRECTORS EQUITY PLAN, AS AMENDED |
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| 2010-03-31 | 8-K | 10.21 | EMPLOYEE STOCK PURCHASE PLAN, AS AMENDED |
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| 2010-01-28 | 8-K | 10.42 | EXECUTIVE INCENTIVE PLAN 162(M) |
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| 2009-03-09 | 10-Q | 10.23 | Synopsys Deferred Compensation Plan II |
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