F5 Investors Urged to Act as Lead-Plaintiff Deadline Nears in Breach-Related Securities Case
Motions are due February 17 for investors seeking to lead a lawsuit over disclosures following a nation-state breach of F5’s BIG-IP development environment.
Overview
- The consolidated case, Smith v. F5, Inc. (No. 25-cv-02619), is pending in the U.S. District Court for the Western District of Washington with no class yet certified.
- Notices from multiple firms — including Rosen Law, Robbins Geller, Hagens Berman, and ClaimsFiler/Kahn Swick & Foti — call for investors to seek lead-plaintiff status by February 17, 2026.
- The putative class covers purchasers of F5 securities from October 28, 2024 through October 27, 2025, according to the filings and firm notices.
- Complaints cite F5’s October 15, 2025 disclosure of long-term access by a highly sophisticated actor to engineering systems, including the BIG-IP product development environment, followed by weaker fiscal 2026 guidance tied to the breach.
- Filings note BIG-IP as F5’s highest-revenue product and point to sharp share declines across the October 2025 disclosures, as firms allege investors were misled about the incident’s timing and impact.