Company: GCTS
Filing Date: 2025-05-13
Form Type: S-3/A
Source: 0001104659-25-047808
Chunk: 7

Company: GCT Semiconductor Holding, Inc.
Filing Date: 2025-05-13
Form: S-3/A
Chunk 7
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 and the terms of the offering. For general
information about the distribution of securities offered by us and the selling securityholders, see “Plan of Distribution”.
The accompanying prospectus supplement may also add, update or change information contained in this prospectus. You should read this prospectus
and any accompanying prospectus supplement before you invest.

You should read this prospectus
and any prospectus supplement or amendment carefully before you invest in our securities.

Our Common Stock and Public Warrants are traded on the New York Stock Exchange under the symbols “GCTS” and “GCTSW,” respectively. On May12, 2025, the closing price of our Common Stock was $1.65 per share, and the closing price of our Public
Warrants, was $0.07 per Public Warrant. We do not intend to list the Private Placement Warrants or the Anapass Warrants on any stock
exchange or other trading market.

We are an “emerging growth company” under federal securities laws and are subject to reduced public company reporting requirements. Investing in our Common Stock or Public Warrants involves a high degree of risk. See the section titled “ Risk Factors” beginning on page 4 of this prospectus to read about factors you should consider before buying our securities.

Neither the Securities and Exchange Commission (the “SEC”) nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

<div align='center'>The date of this prospectus is , 2025.

TABLE OF CONTENTS</div>

| ABOUT THIS PROSPECTUS                                |  1 |
| PROSPECTUS SUMMARY                                   |  3 |
| RISK FACTORS                                         |  4 |
| WHERE YOU CAN FIND MORE INFORMATION                  |  4 |
| DOCUMENTS INCORPORATED BY REFERENCE                  |  4 |
| CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS |  5 |
| USE OF PROCEEDS                                      |  6 |
| SELLING SECURITYHOLDERS                              |  7 |
| DESCRIPTION OF SECURITIES                            | 18 |
| PLAN OF DISTRIBUTION                                 | 29 |
| LEGAL MATTERS                                        | 32 |
| EXPERTS                                              | 32 |
| PART II - INFORMATION NOT REQUIRED IN PROSPECTUS     | 33 |

<div align='center'>ABOUT THIS PROSPECTUS</div>

General

This