Prnewswire·2026-02-17 14:00Core Viewpoint - F5, Inc. is facing a securities class action lawsuit due to alleged failures in disclosing a material security incident that affected its flagship product, BIG-IP, impacting shareholders who purchased securities during the specified class period [1]. Group 1: Timeline of Events - The class period for the lawsuit began on October 28, 2024, during which F5 continued to market its BIG-IP platform while allegedly concealing security vulnerabilities [1]. - On August 9, 2025, F5 allegedly discovered a breach where a sophisticated threat actor accessed its product development environment, but this information was not disclosed to investors [1]. - A partial disclosure occurred on October 15, 2025, where F5 acknowledged a security incident but did not reveal the full scope, including the compromise of source code and vulnerability information [1]. - The full operational impact was revealed on October 27, 2025, including revised guidance and customer impact, which led to additional declines in stock value [1]. Group 2: Legal Context - A class action complaint was filed on December 19, 2025, following the timeline of alleged disclosure failures [1]. - The lawsuit emphasizes the importance of timely disclosure of material developments for maintaining fair and efficient markets [1]. - Shareholders who suffered losses during the class period may be entitled to recover damages, with a deadline to act as February 17, 2026 [1].