F5, Inc. Investigated By The Portnoy Law Firm

(MENAFN- GlobeNewsWire - Nasdaq) LOS ANGELES, Jan. 05, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises F5, Inc., ("F5" or the "Company") (NASDAQ: FFIV) investors that the firm has initiated an investigation into possible securities fraud, and may file a class action on behalf of investors.

Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 844-767-8529 or email:..., to discuss their legal rights, or join the case via . The Portnoy Law Firm can provide a complimentary case evaluation and discuss investors' options for pursuing claims to recover their losses.

On October 15, 2025, F5 revealed that it had learned in early August that a“highly sophisticated nation-state threat actor had gained unauthorized access to certain F5 systems.” The Company added,“during the course of its investigation, F5 determined that the threat actor maintained long-term, persistent access to certain F5 systems, including the BIG-IP product development environment and engineering knowledge management platform,” and that“through this access, certain files were exfiltrated, some of which contained certain portions of the Company's BIG-IP source code and information about undisclosed vulnerabilities that it was working on in BIG-IP.” On this news, the price of F5 shares declined by $35.40 per share, or approximately 10.70%, from $330.75 per share on October 15, 2025 to close at $295.35 on October 16, 2025.

The Portnoy Law Firm represents investors in pursuing claims caused by corporate wrongdoing. The Firm's founding partner has recovered over $5.5 billion for aggrieved investors. Attorney advertising. Prior results do not guarantee similar outcomes.

Lesley F. Portnoy, Esq.
Admitted CA, NY and TX Bar
...
310-692-8883

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