GlobeNewswire News Room·2025-09-06 14:00Core Viewpoint - Zai Lab Limited is under investigation for potential securities fraud following the release of disappointing final results from a Phase 3 clinical trial for its drug bemarituzumab, leading to a significant drop in its stock price [1][3]. Group 1: Company Overview - Zai Lab Limited is a biopharmaceutical company listed on NASDAQ under the ticker ZLAB [1]. - The company is currently facing claims of securities fraud or unlawful business practices, prompting an investigation by Pomerantz LLP [1]. Group 2: Clinical Trial Results - On September 3, 2025, Zai Lab announced the completion of the final analysis of the Phase 3 FORTITUDE-101 trial for bemarituzumab in combination with chemotherapy for first-line gastric cancer [3]. - The interim analysis had shown a significant improvement in overall survival compared to chemotherapy alone, but the final analysis indicated that this survival advantage had diminished [3]. - Zai Lab plans to await results from the FORTITUDE-102 trial before proceeding with regulatory filing, with data readout expected by the end of 2025 or the first half of 2026 [3]. Group 3: Market Reaction - Following the announcement of the final trial results, Zai Lab's American Depositary Receipt (ADR) price fell by $2.04, or 6.12%, closing at $31.30 per ADR on September 3, 2025 [3].