Company: GCTS
Filing Date: 2025-05-16
Form Type: 424B5
Source: 0001104659-25-049833
Chunk: 38

Company: GCT Semiconductor Holding, Inc.
Filing Date: 2025-05-16
Form: 424B5
Chunk 38
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 in the case of a pledge, sell the pledged securities, in either case using this prospectus and the applicable
prospectus supplement.

Direct Sales

We may sell securities
directly to you, without the involvement of underwriters or agents.

General Information

Any underwriters
or agents will be identified and their compensation described in the prospectus supplement applicable to such offering.

We may have agreements
with the underwriters, dealers and agents to indemnify them against certain civil liabilities, including liabilities under the Securities
Act, or to contribute to payments they may be required to make.

Underwriters, dealers
and agents (or one or more of their respective affiliates) may engage in transactions with, or perform services for, us or our subsidiaries
in the ordinary course of their businesses.

<div align='center'>16

LEGAL MATTERS</div>

Unless otherwise
indicated in the applicable prospectus supplement, the validity of the securities offered by this prospectus will be passed upon for us
by Morgan, Lewis & Bockius LLP, Palo Alto, California, and for any underwriters or agents by counsel named in the applicable prospectus
supplement.

<div align='center'>EXPERTS</div>

The consolidated
financial statements of the Company as of December 31, 2024 and 2023, and for each of the two years in the period ended December 31, 2024,
incorporated in this registration statement by reference to the Annual Report on Form 10-K for the year ended December 31, 2024, have
been so incorporated in reliance on the report (which contains an explanatory paragraph relating to the Company’s ability to continue
as a going concern as described in Note 1 to the consolidated financial statements) of BPM LLP, an independent registered public accounting
firm, given on the authority of said firm as experts in auditing and accounting.

<div align='center'>17

7,006,370 Shares of Common Stock
Common Stock Purchase Warrants to Purchase up to 10,509,555 Shares of Common Stock

10,509,555 Shares of Common Stock Underlying the Common Stock Purchase Warrants

GCT Semiconductor Holding, Inc.

Roth Capital Partners

The date of this prospectus supplement is May 15, 2025</div>