A proposed class action filed in federal court in Seattle alleges that technology company F5 misled investors about its cybersecurity strength before disclosing a significant breach that later coincided with steep stock declines, according to court documents.
The lawsuit, filed in U.S. District Court for the Western District of Washington, was brought by Matthew Smith on behalf of investors who bought or acquired F5 securities between Oct. 28, 2024, and Oct. 27, 2025.
It names F5 and four top executives as defendants, including CEO François Locoh-Donou and CFO Edward Cooper Werner…