F5(US:FFIV) Globenewswire·2025-11-03 15:57Core Insights - F5, Inc. experienced a significant drop in share price following disappointing Q4 2025 results and guidance, attributed in part to a cybersecurity breach discovered in August 2025 [1][5][6] Financial Performance - For Q4 and FY 2025, F5 reported a revenue growth of only 0% to 4% for 2026, a stark contrast to the 10% growth in 2025 [5] - The share price fell by $22.83 (-7.8%) on October 28, 2025, resulting in a loss of over $1.3 billion in shareholder value [1][6] Cybersecurity Incident - F5 disclosed on October 15, 2025, that a nation-state threat actor had maintained long-term access to its systems, leading to a share price decline of $47.82 (-13.9%) over two trading days [4] - The company indicated that the cybersecurity incident could lead to delays in customer approvals and deals, impacting future revenue [6] Legal Investigation - Hagens Berman, a national shareholders rights firm, has initiated an investigation into whether F5 timely reported the cybersecurity breach and its implications for the business [2][3] - The investigation will focus on the materiality of the incident and compliance with SEC disclosure rules [7]