UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 __________________________ FORM 10-K __________________________ (Mark One) x Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended: December 31, 2025 Or ZAI LAB LIMITED (Exact Name of Registrant as Specified in its Charter) __________________________ Cayman Islands 98-1144595 (State or Other Jurisdiction of Incorporation or Organization) 899 Halei Road Building B, Pudong Shanghai ...