Table of Contents As filed with the Securities and Exchange Commission on May 23, 2024. Registration No. 333-278809 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 2 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 GCT Semiconductor Holding, Inc. (Exact Name of Registrant as Specified in Its Charter) (State or Other Jurisdiction of Incorporation or Organization) Delaware 6770 86-2171699 (Primary Standard Industrial Classification Code Number) (I.R.S. Emp ...

Table of Contents As filed with the Securities and Exchange Commission on May 17, 2024. Registration No. 333-278809 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 (Exact Name of Registrant as Specified in Its Charter) (State or Other Jurisdiction of Incorporation or Organization) Delaware 6770 86-2171699 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification No.) 2290 North 1st Street, Suite 201 San Jose, California 95131 (Address, Including Zip Cod ...

Table of Contents THE SECURITIES ACT OF 1933 GCT Semiconductor Holding, Inc. (Exact Name of Registrant as Specified in Its Charter) As filed with the Securities and Exchange Commission on April 18, 2024. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER (State or Other Jurisdiction of Incorporation or Organization) Delaware 6770 86-2171699 (Primary Standard Industrial Classification Code Number) 2290 North 1st Street, Suite 20 ...