Filed with the U.S. Securities and Exchange Commission on December 12, 2025. Registration No. 333-291048 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 GIGABIT INC. (Exact Name of Registrant as Specified in its Charter) Cayman Islands 7370 Not Applicable (State or Other Jurisdiction of Incorporation or Organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identificati ...