Los Angeles – September 11, 2026 -- Schall, Brown & Schwartz LLP (SBS) has filed a class action lawsuit against Datavault AI Inc. (NASDAQ: DVLT), alleging violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 and SEC Rule 10b-5. The suit covers investors who purchased DVLT shares between September 4, 2024 and October 30, 2025.