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 ...

Table of Contents As filed with the U.S. Securities and Exchange Commission on September 3, 2025 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Republic of China +886-2-6610-0180 (Address, including zip code, and telephone number, including area code, of registrant's principal executive offices) Cogency Global Inc. 122 East 42nd Street, 18th Floor New York, NY 10168 800-221-0102 (Name, address, including zip code, and telephone number, including area code, of a ...