---
title: "MPLT Investors Have Opportunity to Join MapLight Therapeutics, Inc. Fraud Investigation with SBS Law"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/294649107.md"
description: "Schall, Brown & Schwartz LLP is investigating MapLight Therapeutics (NASDAQ: MPLT) for potential securities law violations. The probe examines whether the company issued misleading statements or failed to disclose material information regarding its schizophrenia drug candidate. This follows a sharp stock decline of over 50% in premarket trading and 65% at open on July 27, 2026, after Phase 2 trial results showed mixed outcomes without statistical significance on primary endpoints."
datetime: "2026-08-03T06:22:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/294649107.md)
  - [en](https://longbridge.com/en/news/294649107.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/294649107.md)
generator: "portal-rs"
---

# MPLT Investors Have Opportunity to Join MapLight Therapeutics, Inc. Fraud Investigation with SBS Law

LOS ANGELES, Aug. 3, 2026 /PRNewswire/ -- Schall, Brown & Schwartz LLP ("SBS"), a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors ofMapLight Therapeutics, Inc. ("MapLight" or "the Company") (NASDAQ: MPLT) for violations of the securities laws.

**INVESTIGATION DETAILS:** The investigation focuses on whether the Company issued false and/or misleading statements and/or failed to disclose information pertinent to investors. On July 27, 2026, MapLight shares fell more than 50% in premarket trading after its Phase 2 trial reported mixed results for its schizophrenia drug candidate. According to the Company, "The 330/6 mg once-daily dose, which results in lower daily exposure than BID dosing, demonstrated numerical improvement over placebo, but did not achieve statistical significance on the primary endpoint, MapLight Therapeutics (MPLT) noted." Based on this news, shares of MapLight opened down 65% on the same day.

If you are a shareholder who suffered a loss, click here to participate.

We also encourage you to contact Brian Schall or David Schwartz of Schall, Brown & Schwartz LLP, 2049 Century Park East, Suite 2460, Los Angeles, CA 90067, at 310-301-3335, to discuss your rights free of charge. You can also reach us through the firm's website at www.schallfirm.com, or by email at david@schallfirm.com

**WHY SBS?** Schall, Brown & Schwartz LLP represents investors around the world and specializes in securities class action lawsuits and shareholder rights litigation. Bringing together the extensive experience and diverse skillsets of founding partners Brian Schall, Andrew Brown, and David Schwartz, SBS is dedicated to aggressively advocating for every investor.

This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and rules of ethics.

**CONTACT:**Schall, Brown & Schwartz LLP

Brian Schall, Esq.,

Andrew Brown, Esq.,

David Schwartz, Esq.,

www.schallfirm.com

Office: 310-301-3335

info@schallfirm.com

SOURCE Schall, Brown & Schwartz LLP

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**