v3.26.1
Cover
Apr. 29, 2026
Document Type 8-K/A
Amendment Flag true
Amendment Description This Current Report on Form 8-K/A (this “Amendment No. 1”) amends the Current Report on Form 8-K filed by OSR Holdings, Inc. (the “Company”) with the Securities and Exchange Commission on April 30, 2026 (the “Original Filing”), relating to the Global Exclusive License Agreement entered into among the Company, Vaximm AG, and BCM Europe AG.
Document Period End Date Apr. 29, 2026
Entity File Number 001-41390
Entity Registrant Name OSR HOLDINGS, INC.
Entity Central Index Key 0001840425
Entity Tax Identification Number 84-5052822
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 10900 NE 4th Street
Entity Address, Address Line Two Suite 2300
Entity Address, City or Town Bellevue
Entity Address, State or Province WA
Entity Address, Postal Zip Code 98004
City Area Code 425
Local Phone Number 635-7700
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Common stock, par value $0.0001 per share  
Title of 12(b) Security Common stock, par value $0.0001 per share
Trading Symbol OSRH
Security Exchange Name NASDAQ
Redeemable warrants, exercisable for shares of common stock at an exercise price of $11.50 per share  
Title of 12(b) Security Redeemable warrants, exercisable for shares of common stock at an exercise price of $11.50 per share
Trading Symbol OSRHW
Security Exchange Name NASDAQ