Quanex Building Products Corporation Securities Fraud Investigation

Shamis & Gentile, P.A. announces that a securities class action lawsuit has been filed against Quanex Building Products Corporation ("Quanex Building Products" or "Quanex" or the "Company") (NX) in the United States District Court for the Southern District of Texas. The lawsuit was filed on September 19, 2025 and concerns alleged violations of federal securities laws during the period from December 12, 2024 to September 5, 2025.

Investors suffering losses in excess of $50,000 are advised to contact the firm now for more information on how to participate.

The complaint alleges that Quanex and certain of its executives made materially false and misleading statements and failed to disclose material adverse facts about the Company’s business, operations, and prospects. According to the lawsuit, during the class period, Quanex highlighted strong operational execution and integration progress, but allegedly concealed production and tooling problems at the Company’s Tyman Mexico facility.

The class action lawsuit claims that Quanex failed to disclose that it was experiencing unresolved production inefficiencies and related financial pressures that undermined its cost-containment efforts and inflated its public guidance and outlook. The complaint further alleges that these omissions and misstatements violated Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and SEC Rule 10b-5 by depriving investors of material information necessary to make informed decisions.

According to the complaint, the truth began to emerge on September 4, 2025, when the Company announced reduced guidance and disclosed operational difficulties at the Tyman Mexico facility. On the following day, Quanex’s stock price dropped $2.73 to $18.18 per share on September 5, 2025, and then fell a further $1.98 to $16.20 per share on September 8, 2025, resulting in substantial losses for investors.

The class period for this action is December 12, 2024 to September 5, 2025. Investors who purchased Quanex securities during this time may have important legal rights. The lead plaintiff is the investor appointed by the court to represent the interests of all class members and direct the litigation. It is important for investors to act before the lead plaintiff deadline of November 18, 2025. There is no cost or obligation to participate in the investigation.

Shamis & Gentile, P.A. stands out as an advocate for investors who are victims of securities fraud. The firm is committed to securing recoveries for investors who have incurred damages due to false and misleading statements or other corporate misconduct by public companies. Shamis & Gentile has recovered over $1 billion for consumers nationwide. Its extensive experience, expertise and resources enable the firm to resolve disputes in a wide range of matters, including class actions, mass torts and mass arbitrations.

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