F5(US:FFIV) Globenewswire·2026-01-23 15:26Core Viewpoint - F5, Inc. is facing a securities class action lawsuit due to a material cybersecurity incident that occurred on August 9, 2025, impacting investor confidence and stock prices significantly [1][5]. Group 1: Incident Details - The lawsuit represents investors who purchased F5 securities between October 28, 2024, and October 27, 2025, following disclosures about the cybersecurity incident [1][4]. - F5 disclosed on October 15 and 27, 2025, that the incident had a negative financial impact on expected 2026 revenues, leading to sharp declines in stock prices [2][7]. - The breach involved a sophisticated nation-state threat actor that allegedly maintained persistent access to F5's systems for at least a year, compromising the BIG-IP product development environment [5][9]. Group 2: Financial Impact - Following the October 15, 2025 disclosure, F5's stock price dropped by $35.40, a decrease of 10% [6]. - On October 27, 2025, F5 provided a disappointing revenue growth forecast for 2026, estimating growth of only 0% to 4%, compared to 10% in 2025, which further drove the stock price down by $22.83, a decline of 7% [7]. - The adverse revenue guidance was attributed to delayed deals and reduced renewals linked to the cybersecurity breach [7]. Group 3: Legal Proceedings - Hagens Berman, a national shareholder rights firm, is investigating whether F5 misled investors regarding the security of its products and the financial impact of the incident [3][8]. - The lead plaintiff deadline for the lawsuit is set for February 17, 2026, allowing affected investors to petition the court to lead the litigation [4][9].