SNPS: Other company developments

Item 8.01 Other Events. On October 5, 2026, Synopsys, Inc. (“ Synopsys ”) issued a press release announcing its entry into an accelerated share repurchase agreement with JPMorgan Chase Bank, National Association to repurchase an aggregate of $1 billion of shares of Synopsys common stock. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein. Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit Number Exhibit Title 99.1 Press release dated October 5, 2026 announcing Synopsys, Inc.’s entry into $1 billion accelerated share repurchase agreement. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document). SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. SYNOPSYS, INC. Dated: October 5, 2026 By: / S / J ANET L EE Janet Lee General Counsel and Corporate Secretary