Rosen Law Firm Urges MoonLake Immunotherapeutics (NASDAQ: MLTX) Stockholders with Large Losses to Contact the Firm for Information About Their Rights

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12:00 PM on Thursday, October 16

The Associated Press

NEW YORK--(BUSINESS WIRE)--Oct 16, 2025--

Rosen Law Firm, a global investor rights law firm, announces that a shareholder filed a class action lawsuit on behalf of purchasers and acquirers of MoonLake Immunotherapeutics (NASDAQ: MLTX) common stock between March 10, 2024 and September 29, 2025, both dates inclusive (the “Class Period”). MoonLake is a clinical-stage biotechnology company.

For more information, submit a form, email attorney Phillip Kim, or give us a call at 866-767-3653.

The Allegations: Rosen Law Firm is Investigating the Allegations that MoonLake Immunotherapeutics (NASDAQ: MLTX) Misled Investors Regarding its Business Operations.

According to the complaint, throughout the Class Period, defendants made false and/or misleading statements, as well as failed to disclose material facts, regarding the distinction between the Nanobodies and monoclonal antibodies, including that: (1) SLK and BIMZELX share the same molecular targets (the inflammatory cytokines IL-17A and IL-17F); (2) SLK’s distinct Nanobody structure would not confer a superior clinical benefit over the traditional monoclonal structure of BIMZELX; (3) SLK’s distinct Nanobody structure supposed tissue penetration would not translate to clinical efficacy; and (4) based on the foregoing, defendants lacked a reasonable basis for their positive statements regarding SLK’s purported superiority to monoclonal antibodies. When the true details entered the market, the lawsuit claims that investors suffered damages.

What Now: You may be eligible to participate in the class action against MoonLake Immunotherapeutics. Shareholders who want to serve as lead plaintiff for the class must file their motions with the court by December 15, 2025. A lead plaintiff is a representative party who acts on behalf of other class members in directing the litigation. You do not have to participate in the case to be eligible for a recovery. If you choose to take no action, you can remain an absent class member. For more information, click here.

All representation is on a contingency fee basis. Shareholders pay no fees or expenses.

About Rosen Law Firm: Some law firms issuing releases about this matter do not actually litigate securities class actions. Rosen Law Firm does. Rosen Law Firm is a recognized leader in shareholder rights litigation, dedicated to helping shareholders recover losses, improving corporate governance structures, and holding company executives accountable for their wrongdoing. Since its inception, Rosen Law Firm has obtained over $1 billion for shareholders.

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View source version on businesswire.com:https://www.businesswire.com/news/home/20251016009718/en/

CONTACT: Laurence Rosen, Esq.

Phillip Kim, Esq.

The Rosen Law Firm, P.A.

275 Madison Avenue, 40th Floor

New York, NY 10016

Tel: (212) 686-1060

Toll Free: (866) 767-3653

Fax: (212) 202-3827

[email protected]