On January 14, 2026, Robbins LLP filed a securities class action on behalf of all investors who purchased or otherwise acquired F5, Inc. securities between October 28, 2024 and October 27, 2025. The complaint alleges that F5 misled investors regarding its security capabilities and revenue outlook by concealing a significant data breach of its key offerings. Investors who suffered losses during this period may be eligible to participate in the litigation or serve as lead plaintiff by submitting a motion to the court no later than February 17, 2026.

According to the complaint, F5 experienced a “long-term, persistent” breach of its systems beginning prior to October 15, 2025, during which the company’s BIG-IP product development and engineering knowledge platforms—including source code—were compromised. Plaintiffs contend that F5 failed to disclose the breach or its potential impact on the company’s ability to secure client data and capitalize on the security market.

When F5 publicly announced the breach on October 15, 2025, the company’s share value declined by approximately 13.9% over two trading days. A subsequent disclosure on October 27, 2025—detailing below-market growth expectations for fiscal 2026 due to elongated sales cycles, reduced renewals and sales, and increased remediation expenses—triggered an additional decline of roughly 10.9% in two days. Plaintiffs allege these drops reflect artificial inflation of the stock during the class period.

Investors who wish to participate in the class action without serving as lead plaintiff may remain absent class members and retain eligibility for any recovery. Those seeking to lead the litigation must file motions by the February 17, 2026 deadline. Representation is on a contingency fee basis, with no out-of-pocket costs. For more information or to submit a claim, investors are directed to contact Robbins LLP via the firm’s website, email, or toll-free number.