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 aTyr Pharma, Inc. (NASDAQ: ATYR) common stock between January 16, 2025 and September 12, 2025, both dates inclusive (the “Class Period”). aTyr 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 aTyr Pharma, Inc. (NASDAQ: ATYR) Misled Investors Regarding its Business Operations.

According to the lawsuit, defendants provided overwhelmingly positive statements to investors while, at the same time, disseminating false and misleading statements and/or concealing material adverse facts concerning the efficacy of Efzofitimod, particularly, the drug’s capability to allow a patient to completely taper their steroid usage. 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 aTyr Pharma, Inc. Shareholders who want to serve as lead plaintiff for the class must file their motions with the court by December 8, 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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