F5 Faces Class Action Over Security Breach, Shares Drop 10.9% in Two Days
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Dec 22 2025
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Source: Businesswire
- Lawsuit Reminder: Kahn Swick & Foti reminds investors who purchased F5 securities between October 28, 2024, and October 27, 2025, to file lead plaintiff applications by February 17, 2026, to participate in the class action lawsuit against F5.
- Performance Decline: F5's October 27, 2025 earnings report revealed significantly below-market growth expectations for fiscal 2026, including anticipated reductions in sales and renewals, elongated sales cycles, and increased expenses due to a security breach, directly impacting the company's financial health.
- Stock Price Reaction: Following the earnings announcement, F5's stock price plummeted from $290.41 on October 27, 2025, to $258.76 on October 28, 2025, marking a 10.9% decline in just two days, reflecting market concerns about the company's future outlook.
- Legal Consequences: The lawsuit alleges that F5 and certain executives failed to disclose material information during the class period, violating federal securities laws, which could expose the company to greater legal and financial risks.
Analyst Views on FFIV
Wall Street analysts forecast FFIV stock price to rise over the next 12 months. According to Wall Street analysts, the average 1-year price target for FFIV is 287.56 USD with a low forecast of 260.00 USD and a high forecast of 320.00 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.
10 Analyst Rating
1 Buy
8 Hold
1 Sell
Hold
Current: 259.430
Low
260.00
Averages
287.56
High
320.00
Current: 259.430
Low
260.00
Averages
287.56
High
320.00
About FFIV
F5, Inc. is a provider of multi-cloud application security and delivery solutions. The Company enables its customers to deploy, operate, secure, optimize, and govern every application and application programming interface (API) across any architecture, on-premises, in the cloud, at the edge and across hybrid, multi-cloud environments. Its enterprise-grade application services are available as hardware, software, and software-as-a-service solutions optimized for hybrid, multicloud environments, with modules that can run independently, or as part of an integrated solution on its high-performance appliances. Through its BIG-IP, F5 NGINX and F5 Distributed Cloud Services products, it offers a range of integrated, artificial intelligence- and machine learning-driven solutions that support performance and protect applications and APIs across data center, cloud, and edge locations. Its products and solutions also include F5 Distributed Cloud CDN and F5 NGINX Ingress Controller, among others.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.





