---
title: "Key facts: Fortinet 2026 upgrade cycle 40-50% complete; class action filed"
type: "News"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/news/266086323.md"
description: "Fortinet reported being 40% to 50% through its 2026 upgrade cycle for FortiGate firewalls. The stock dropped $21.28, or 22.03%, closing at $75.30 on August 7, 2025.1On November 15, 2025, a class action lawsuit was filed against Fortinet, Inc. for alleged securities fraud. Shareholders can request Lead Plaintiff status until November 21, 2025.2"
datetime: "2025-11-16T20:03:06.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/266086323.md)
  - [en](https://longbridge.com/en/news/266086323.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/266086323.md)
---

> 支持的语言: [English](https://longbridge.com/en/news/266086323.md) | [繁體中文](https://longbridge.com/zh-HK/news/266086323.md)


# Key facts: Fortinet 2026 upgrade cycle 40-50% complete; class action filed

-   Fortinet reported being 40% to 50% through its 2026 upgrade cycle for FortiGate firewalls. The stock dropped $21.28, or 22.03%, closing at $75.30 on August 7, 2025.1
-   On November 15, 2025, a class action lawsuit was filed against Fortinet, Inc. for alleged securities fraud. Shareholders can request Lead Plaintiff status until November 21, 2025.2

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