New York, New York--(Newsfile Corp. - November 12, 2026) - Investors who suffered losses on Tenax Therapeutics, Inc. ("Tenax" or the "Company") (NASDAQ: TENX) stock may have claims to recover those losses. Faruqi & Faruqi, LLP, a leading national securities law firm, reminds investors that a federal securities class action has been filed on behalf of a class consisting of all persons and entities other than Defendants that purchased or otherwise acquired Tenax securities between November 13, 2023 and August 7, 2026, inclusive (the "Class Period"). Investors who wish to serve as lead plaintiff must move the Court no later than December 28, 2026.

Investors with losses on Tenax securities can contact Faruqi & Faruqi partner Josh Wilson about the Tenax class action to learn about their legal rights and options.

Key facts for Tenax investors

• Class Period: between November 13, 2023 and August 7, 2026
• Lead plaintiff deadline: December 28, 2026
• Disclosure: August 10, 2026
• Stock drop: $12.06 per share, or 89.77%

What happened?
The truth began to emerge on August 10, 2026, when Tenax issued a press release reporting topline results from its Phase 3 LEVEL clinical trial. This press release stated that TNX-103 "did not meet its primary endpoint of improvement in the 6-minute walk distance versus placebo, or the key secondary endpoint of improvement in Kansas City Cardiomyopathy Questionnaire total symptom score." On this news, Tenax's stock price fell approximately $12.06 per share, or 89.77%, to close at approximately $1.38 per share on August 10, 2026.

"Tenax stock fell 89.77% on August 10, 2026 after the August 10, 2026 disclosure described in the complaint. The complaint alleges that investors bought Tenax shares during the Class Period without the full picture."

What does the complaint allege?
The complaint alleges that the Company and its executives violated federal securities laws by making false and/or misleading statements and/or failing to disclose that: (1) TNX-103 was less effective than Defendants had led investors to believe; (2) accordingly, TNX-103's overall clinical, regulatory, and commercial prospects were overstated; and (3) as a result, the Company's public statements were materially false and misleading at all relevant times.

Next steps for Tenax investors
Faruqi & Faruqi, LLP is reviewing potential claims on behalf of Tenax investors. Investors with losses can visit www.faruqilaw.com/TENX or call Faruqi & Faruqi partner Josh Wilson directly at 877-247-4292 or 212-983-9330 (Ext. 1310) to discuss the Tenax class action.

If you wish to serve as lead plaintiff, you must move the Court no later than December 28, 2026. The court-appointed lead plaintiff is the investor with the largest financial interest in the relief sought by the class who is adequate and typical of class members who directs and oversees the litigation on behalf of the putative class. Any member of the putative class may move the Court to serve as lead plaintiff through counsel of their choice, or may choose to do nothing and remain an absent class member. Your ability to share in any recovery is not affected by the decision to serve as a lead plaintiff or not.

Common questions from Tenax investors
Who is eligible? Investors who purchased or otherwise acquired Tenax securities between November 13, 2023 and August 7, 2026 and lost money may have claims, and can contact the firm to learn whether the Tenax class action affects them.

What is a securities class action? A lawsuit brought on behalf of a group of investors who bought shares at prices alleged to have been inflated by false or misleading statements, in violation of the federal securities laws. The Tenax class action alleges that the Company and its executives made such statements.

Has a lawsuit been filed? Yes. A federal securities class action has been filed against Tenax. Investors who wish to serve as lead plaintiff must move the Court by December 28, 2026. Investors who do nothing remain absent class members, and serving as lead plaintiff is not required to share in any recovery.

Does it cost anything to contact the firm? No. Investors who purchased Tenax securities during the Class Period may contact Faruqi & Faruqi, LLP to discuss their legal rights, potential claims, and the lead plaintiff process at no cost or obligation.

Whistleblower notice
Faruqi & Faruqi, LLP also encourages anyone with information regarding Tenax's conduct to contact the firm, including whistleblowers, former employees, shareholders and others. Individuals with original information may also consider the SEC Whistleblower Program, which can award whistleblowers 10 to 30 percent of the monetary sanctions collected in a successful SEC enforcement action when those sanctions exceed $1 million.

About Faruqi & Faruqi, LLP
Faruqi & Faruqi is a leading national securities law firm with offices in New York, Pennsylvania, California and Georgia. The firm has recovered hundreds of millions of dollars for investors since its founding in 1995. See www.faruqilaw.com.

Related links

• Tenax class action, Faruqi & Faruqi, LLP
• Tenax Therapeutics, Inc. SEC filings index, EDGAR
• SEC Whistleblower Program
• Faruqi & Faruqi, LLP

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To view the source version of this press release, please visit https://www.newsfilecorp.com/release/323586

Source: Faruqi & Faruqi LLP