Alto Neuroscience Investors Investigating Allegations of Fiduciary Breach

Alto Neuroscience is under investigation for potential breaches of fiduciary duties by certain officers and directors. A federal securities fraud class action alleges that the company made false and misleading statements about its business and operations. Shareholders who purchased shares near the February 2024 IPO and still hold them today may be eligible for corporate reforms, return of funds, and an incentive award.

NEW YORK, September 12, 2025 — Two prominent law firms, Levi & Korsinsky, LLP and Bronstein, Gewirtz & Grossman, LLC, have notified investors in Alto Neuroscience, Inc. (NYSE: ANRO) of a class action lawsuit alleging securities fraud. The lawsuit seeks to recover losses on behalf of investors who were adversely affected by the company's alleged false statements and omissions.

The class action lawsuit, filed on behalf of investors who purchased or otherwise acquired Alto common stock or securities between February 2, 2024, and October 22, 2024, includes allegations that the company made materially false and misleading statements about its business and operations. Specifically, the lawsuit alleges that:

1. The company's product pipeline, ALTO-100, was less effective in treating major depressive disorder than investors were led to believe.
2. The clinical, regulatory, and commercial prospects of ALTO-100 were overstated.
3. The business and financial prospects of Alto Neuroscience were overstated.
4. The company's public statements were materially false and misleading at all relevant times.

Investors who suffered losses during the relevant time frame are encouraged to contact the law firms for more information. According to the firms, there is no cost or obligation to participate, and investors may be entitled to compensation without payment of any out-of-pocket costs or fees.

Levi & Korsinsky, LLP and Bronstein, Gewirtz & Grossman, LLC have extensive experience representing investors in complex securities litigation. Levi & Korsinsky has secured hundreds of millions of dollars for shareholders and has a track record of winning high-stakes cases. Bronstein, Gewirtz & Grossman has recovered hundreds of millions of dollars for investors nationwide.

Investors can contact Levi & Korsinsky, LLP at [jlevi@levikorsinsky.com](mailto:jlevi@levikorsinsky.com) or (212) 363-7500, or Bronstein, Gewirtz & Grossman, LLC at 332-239-2660 or [info@bgandg.com](mailto:info@bgandg.com) for more information.