Table of Contents As filed with the U.S. Securities and Exchange Commission on September 19, 2025 Registration No. 333-290018 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 OBOOK Holdings Inc. Darren Wang OBOOK Holdings Inc. 9F., No. 28, Wencheng Rd., Beitou Dist., Taipei City 112, Taiwan, Republic of China +886-2-6610-0180 (Exact Name of Registrant as Specified in Its Charter) (State or other jurisd ...