Material Event (Form 8-K)

Item 8.01. Other Events.

On September 2, 2025, Chardan Capital Markets, LLC ("Chardan") filed an action in the United States District Court for the Southern District of New York, against OSR Holdings, Inc. (the "Company") and Kuk Hyoun Hwang, captioned Chardan Capital Markets, LLC v. OSR Holdings Inc. et al., Case No. 1:25-cv-07285 (the "Action").

In the Action, Chardan seeks approximately $2,070,000 and 34,500 shares of deferred equity, together with attorneys' fees and other relief, relating to matters previously disclosed in the Company's filings with the Securities and Exchange Commission (the "SEC"), including its Form 10-Q filed on August 14, 2025. The Company, together with the individual defendant, intend to defend against the Action.