Law Firms Urge Synopsys Investors Ahead of Dec. 30 Lead-Plaintiff Deadline

Overview

• Investors who bought Synopsys securities from December 4, 2024 through September 9, 2025 face a December 30, 2025 deadline to move for lead-plaintiff status.
• Complaints allege the company prioritized AI customers requiring extra customization, deteriorating the economics of its Design IP business and undermining certain roadmap and resource decisions.
• Filings assert Synopsys made false or misleading statements and that investors were harmed when the alleged details became known.
• On September 9, 2025, Synopsys reported Q3 revenue of $1.740 billion, below guidance, net income of $242.5 million down about 43% year over year, and Design IP revenue of $426.6 million down 7.7%, after which the stock fell 35.8% on September 10.
• No class has been certified, and firms including The Schall Law Firm, DJS Law Group, Rosen Law Firm, and Glancy Prongay & Murray are soliciting shareholders with contingency-fee options.