NYSEA:GNS 17 November 2025

March 20, 2026, 1:23 PM EDT. Kessler Topaz Meltzer & Check, LLP has filed a securities fraud class action lawsuit against Soleno Therapeutics, Inc. (NASDAQ: SLNO) concerning purchases of SLNO stock between March 26 and November 4, 2025. The lawsuit alleges that Soleno made materially false statements and omissions about safety concerns in its Phase 3 clinical trial for diazoxide choline extended-release tablets used to treat hyperphagia linked to Prader-Willi syndrome. The firm claims the company concealed issues relating to excess fluid retention in trial participants. Investors have until May 5, 2026, to seek lead plaintiff status. The complaint is pending in the U.S. District Court for the Northern District of California under case number 3:26-cv-01979. Investors who suffered losses are urged to contact the law firm for legal options at no cost.