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TNXP 8-K: Regulatory action

Tonix Pharmaceuticals

Filed with the SEC on · accession 0001493152-26-051693

TNXP filed a 8-K (current report) with the SEC on Nov 13, 2026. Tonix Pharmaceuticals filed a patent infringement lawsuit against Dr. The stock moved -8.6% by the first close after the filing.

Summary of the filing

Tonix Pharmaceuticals filed a patent infringement lawsuit against Dr. Reddy's Laboratories in the U.S. District Court for the District of New Jersey after DRL filed an ANDA seeking to market a generic version of Tonix's TONMYA (cyclobenzaprine hydrochloride) sublingual tablets. The filing triggers a statutory stay of final FDA approval of DRL's ANDA for up to 30 months.

For details, click here →How to read a 8-K →

Key details

Plaintiff / patent holderTonix Pharmaceuticals Holding Corp.
Defendant / anda filerDr. Reddy's Laboratories Ltd.
Defendant / anda filerDr. Reddy's Laboratories, Inc.
Chief financial officerBradley Saenger

How TNXP stock reacted

Close before

$3.24

Nov 12, 2026

First close after

-8.64%

$2.96

5 trading days

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Since filing

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Frequently asked questions

What did TNXP file with the SEC on Nov 13, 2026?

TNXP filed a 8-K (Regulatory action). Tonix Pharmaceuticals filed a patent infringement lawsuit against Dr. Reddy's Laboratories in the U.S. District Court for the District of New Jersey after DRL filed an ANDA seeking to market a generic version of Tonix's TONMYA (cyclobenzaprine hydrochloride) sublingual tablets. The filing triggers a statutory stay of final FDA approval of DRL's ANDA for up to 30 months.

What does a regulatory action mean for TNXP stock?

A settlement removes uncertainty; the stock often reacts to whether the amount is bigger or smaller than investors expected.

How do I read a 8-K?

A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more. The "Item" number tells you the topic (e.g. 2.02 results, 5.02 executive change, 1.01 new agreement, 1.03 bankruptcy). Exhibits (99.1 press release) usually hold the details.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 8-K (current report): A report of a major event, filed within four business days: results, deals, leadership changes, bankruptcy and more.

How did TNXP stock react to this filing?

TNXP closed at $3.24 before the filing and $2.96 on Nov 13, 2026 (-8.64%).

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