As filed with the Securities and Exchange Commission on April 29, 2025 Yuanbao Inc. Registration No. 333-282164 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 AMENDMENT NO. 4 TO FORM F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 (Exact name of Registrant as specified in its charter) Not Applicable (Translation of Registrant's name into English) (State or other jurisdiction of incorporation or organization) Cayman Islands 6411 Not Applicable (Primary Standard Industrial Classificatio ...