F5, Inc. Securities Class Action Lawsuit Filed; Lead Plaintiff Deadline Next Week on February 17, 2026

Rhea-AI Summary

Argus Feb 13 session

+4.55% close to close Open Argus

Details

News Market Reaction – FFIV

On Feb 13, the first trading day after this news, FFIV closed 4.55% above the previous close.

Data tracked by StockTitan Argus for the Feb 13 session.

Key Figures

Class Period: October 28, 2024 to October 27, 2025 Lead plaintiff deadline: February 17, 2026 Case number: 25-cv-02619

Class Period

October 28, 2024 to October 27, 2025

Securities class action definition period

Lead plaintiff deadline

February 17, 2026

Deadline to seek lead plaintiff appointment

Case number

25-cv-02619

Federal securities class action identifier

Historical Context

5 past events · Latest: Jan 27

5 events

1. Jan 27

   Earnings beat/guidance

   24h Move

   +1.1%

   Q1 FY2026 results with 7% revenue growth and raised FY2026 guidance.

2. Jan 14

   AI security launch

   24h Move

   -0.9%

   Launch of F5 AI Guardrails and AI Red Team for enterprise AI protection.

3. Jan 13

   Cloud service launch

   24h Move

   -0.3%

   Debut of F5 NGINXaaS for Google Cloud for managed app delivery and security.

4. Jan 07

   Earnings date notice

   24h Move

   +0.6%

   Announcement of schedule and access details for Q1 FY2026 earnings call.

5. Dec 10

   Platform enhancements

   24h Move

   +0.0%

   Release of Distributed Cloud Services 7.0 with API discovery and security upgrades.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

securities class action lawsuit, lead plaintiff, multi-cloud

3 terms

securities class action lawsuit regulatory

"A securities class action lawsuit has been filed against F5, Inc."

A securities class action lawsuit is when a group of investors band together to sue a company, its executives, or other market participants for alleged false statements, missing information, or misconduct that they say caused losses in the company’s stock or other securities. It matters to investors because such suits can lead to large payouts, legal costs, management changes and damage to reputation, which can lower a company’s value and make its stock riskier—like neighbors pooling resources to hold a builder accountable when a shared wall cracks.

lead plaintiff regulatory

"have until February 17, 2026 to seek appointment as lead plaintiff in the action."

The lead plaintiff is the representative investor chosen to speak and act on behalf of a group of shareholders in a securities lawsuit. Think of them as the elected spokesperson for a neighborhood when everyone sues a landlord: they coordinate the legal case, make strategic decisions, and negotiate settlements, so their choices can shape outcomes and any recovery that reaches all affected investors. Investors care because the lead plaintiff’s resources and approach can influence the size and speed of any payout and the costs deducted from it.

multi-cloud technical

"F5 is a global multi-cloud application security and delivery company"

Multi-cloud is the practice of using services from two or more cloud computing providers instead of relying on just one. For investors, this matters because it can lower operational risk and increase flexibility—similar to renting units from different landlords to avoid being stranded if one has problems—and it can affect a company’s costs, growth potential, and resilience, which in turn influence revenue stability and valuation.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SAN DIEGO, Feb. 12, 2026 /PRNewswire/ -- A securities class action lawsuit has been filed against F5, Inc. (NasdaqGS: FFIV) on behalf of purchasers or acquirers of F5 securities between October 28, 2024 and October 27, 2025, inclusive (the "Class Period"). Captioned Smith v. F5, Inc., No. 25-cv-02619 (W.D. Wash.), the class action lawsuit charges F5 as well as certain of F5's top executives with violations of the Securities Exchange Act of 1934.

Investors who purchased F5 securities during the Class Period have until February 17, 2026 to seek appointment as lead plaintiff in the action. To learn more, visit the following page:

https://www.rgrdlaw.com/cases-f5-inc-class-action-lawsuit-ffiv.html

You can also contact attorney J.C. Sanchez of Robbins Geller by calling 800/449-4900 or via e-mail at info@rgrdlaw.com.

CASE ALLEGATIONS: F5 is a global multi-cloud application security and delivery company which enables customers to deploy, secure, and operate applications on-premises or via public cloud.

The F5 class action lawsuit alleges that throughout the Class Period, defendants created the false impression that they possessed reliable information pertaining to F5's projected revenue outlook and anticipated growth while also minimizing risk from seasonality and macroeconomic fluctuations. The complaint alleges that in truth, F5's optimistic claims, touting its purported best-in-industry security and overall emphasis and confidence in F5's ability to meet and capitalize on the growing security needs for its clientele fell short of reality; F5 was, at the time, the subject of a significant security incident, placing its clientele's security and F5's future prospects at significant risk.

The F5 class action lawsuit further alleges that on October 15, 2025, F5 disclosed that "[i]n August 2025, we learned a highly sophisticated nation-state threat actor maintained long-term, persistent access to, and downloaded files from, certain F5 systems. These systems included our BIG-IP product development environment and engineering knowledge management platforms." On this news, the price of F5 stock fell nearly 14% over two trading days, according to the complaint.

Then, on October 27, 2025, the F5 class action lawsuit further alleges that F5 published its fourth quarter fiscal year 2025 results, providing significantly below-market growth expectations for fiscal 2026 due in significant part to the security breach as F5 announced expected reductions to sales and renewals, elongated sales cycles, terminated projections, and increased expenses attributed to ongoing remediation efforts. Defendants also allegedly disclosed that BIG-IP, the product that was the subject of the security breach, is F5's highest revenue product. On this news, the price of F5 stock fell nearly 11% over two trading days, according to the complaint.

THE LEAD PLAINTIFF PROCESS: The Private Securities Litigation Reform Act of 1995 permits any investor who purchased or acquired F5 securities during the Class Period to seek appointment as lead plaintiff in the F5 class action lawsuit. A lead plaintiff is generally the movant with the greatest financial interest in the relief sought by the putative class who is also typical and adequate of the putative class. A lead plaintiff acts on behalf of all other class members in directing the F5 investor class action lawsuit. The lead plaintiff can select a law firm of its choice to litigate the F5 shareholder class action lawsuit. An investor's ability to share in any potential future recovery is not dependent upon serving as lead plaintiff of the F5 class action lawsuit.

ABOUT ROBBINS GELLER: Robbins Geller Rudman & Dowd LLP is one of the world's leading law firms representing investors in securities fraud and shareholder rights litigation. Our Firm ranked #1 on the most recent ISS Securities Class Action Services Top 50 Report, recovering more than $916 million for investors in 2025. This marks our fourth #1 ranking in the past five years. And in those five years alone, Robbins Geller recovered $8.4 billion for investors – $3.4 billion more than any other law firm. With 200 lawyers in 10 offices, Robbins Geller is one of the largest plaintiffs' firms in the world, and the Firm's attorneys have obtained many of the largest securities class action recoveries in history, including the largest ever – $7.2 billion – in In re Enron Corp. Sec. Litig.

Past results do not guarantee future outcomes. 

Services may be performed by attorneys in any of our offices. 

Contact:
	Robbins Geller Rudman & Dowd LLP
	J.C. Sanchez
	655 W. Broadway, Suite 1900, San Diego, CA 92101
	800-449-4900
	info@rgrdlaw.com

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SOURCE Robbins Geller Rudman & Dowd LLP