Company: GCTS
Filing Date: 2025-05-16
Form Type: 424B5
Source: 0001104659-25-049833
Chunk: 9

Company: GCT Semiconductor Holding, Inc.
Filing Date: 2025-05-16
Form: 424B5
Chunk 9
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 our operations or require us to relinquish substantial rights.

To the extent that we raise additional capital through the sale of
equity or convertible debt securities, your ownership interest will be diluted, and the terms of these new securities may include liquidation
or other preferences that adversely affect your rights as a common stockholder. If we obtain debt financing, the terms of such debt financing
may restrict our ability to incur additional indebtedness, require us to maintain certain financial covenants, or restrict our ability
to pay dividends. We cannot assure you that we will be able to obtain additional funding if and when necessary.

<div align='center'>S-5

USE OF PROCEEDS</div>

We estimate the net proceeds
to us from the sale of the securities offered under this prospectus supplement, after deducting the estimated Placement Agent fees and
our estimated offering expenses, will be approximately $10 million if we sell the maximum amount of Common Stock and Warrants offered
hereby. We expect to use the net proceeds from this Offering (including any resulting from the exercise of warrants, if any) for working
capital and other general corporate purposes. Our management will have significant flexibility in applying the net proceeds of this Offering.

<div align='center'>S-6

DILUTION</div>

If you purchase shares of Common
Stock and accompanying Warrants in this Offering, you will experience dilution to the extent of the difference between the offering price
of the Shares of Common Stock and accompanying Warrant in this Offering (excluding shares of Common Stock issuable upon exercise of the
Warrants being offered in this Offering) and the as adjusted net tangible book value per share of our Common Stock immediately after this
Offering.

Our historical net tangible
book value as of March 31, 2025 was negative $67,549,000, or negative $1.40 per share of our Common Stock. Historical net tangible book
value per share represents the amount of our total tangible assets less total liabilities, divided by the number of shares of our Common
Stock outstanding as of March 31, 2025.

After giving effect to our
issuance and sale of 7,006,370 Shares of our Common Stock in this Offering at an offering price of $1.57 per share and accompanying Warrants
(excluding shares of Common Stock issuable upon exercise of the Warrants being offered in this Offering), and after deducting the Placement
Agent fees and estimated offering expenses payable by us, our as adjusted