Bronstein, Gewirtz & Grossman LLC Urges Ostin Technology Group Co., Ltd. Investors to Act: Class Action Filed Alleging Investor Harm

New York, New York--(Newsfile Corp. - April 15, 2026) - Bronstein, Gewirtz & Grossman, LLC, a nationally recognized investor-rights law firm, announces that a class action lawsuit has been filed against Ostin Technology Group Co., Ltd. (NASDAQ: OST) and certain of its officers.