Synopsys Investors Face Dec. 30 Deadline in Securities Class Action

Overview

• Multiple plaintiff firms are urging investors to seek lead-plaintiff appointment by December 30, 2025 in cases pending in the Northern District of California.
• The first-filed case is Kim v. Synopsys, Inc., No. 3:25-cv-09410, and a later New England Teamsters action expanded the alleged class period.
• The putative class spans purchases from December 4, 2024 through September 9, 2025, including holders who received Synopsys shares in the Ansys acquisition.
• Complaints highlight Synopsys’ September 9, 2025 results disclosing Design IP underperformance, quarterly revenue of $1.740 billion below guidance, and a 43% year-over-year net income decline.
• Filings allege AI-focused customers required more customization that lengthened timelines and raised resource needs, and the stock fell about 36% the next day on heavy volume.