Company: GCTS
Filing Date: 2025-05-16
Form Type: 424B5
Source: 0001104659-25-049833
Chunk: 15

Company: GCT Semiconductor Holding, Inc.
Filing Date: 2025-05-16
Form: 424B5
Chunk 15
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 (the “Exchange Act”), and to contribute to payments that the Placement Agent may
be required to make in respect of such liabilities.

Regulation M

The Placement Agent may be
deemed to be an underwriter within the meaning of Section 2(a)(11) of the Securities Act, and any commissions received by it and
any profit realized on the resale of the Securities sold by it while acting as principal might be deemed to be underwriting discounts
or commissions under the Securities Act. As an underwriter, the Placement Agent would be required to comply with the requirements of the
Securities Act and the Exchange Act, including, without limitation, Rule 415(a)(4) under the Securities Act and Rule 10b-5
and Regulation M under the Exchange Act. These rules and regulations may limit the timing of purchases and sales of shares of
Common Stock and Warrants by the Placement Agent acting as principal. Under these rules and regulations, the Placement Agent:

| · | may not engage in any stabilization activity in connection with our securities; and                                       |
| · | may not bid for or purchase any of our securities or attempt to induce any person to purchase any of our                  
 securities, other than as permitted under the Exchange Act, until it has completed its participation in the distribution. |

<div align='center'>S-10</div>

Listing and Transfer Agent

The transfer agent for our
Common Stock is Continental Stock Transfer and Trust Company.

Our Common Stock is traded
on the New York Stock Exchange under the symbol “GCTS.”

Participation Rights

Subject to certain exceptions,
the investors have been granted the right to participate in up to 35% of future equity offerings occurring in the one year following the
closing date of this Offering, as described in the securities purchase agreement.

Prohibitions on Variable Rate Transactions

Subject to certain exceptions
as described in the securities purchase agreement, we are limited in our ability to enter into specified variable rate transactions until
six months after the closing date of this Offering. Such transactions include an equity line of credit, at-the-market offering, or other
similar continuous offering in which we may offer or issue or sell our Common Stock or other securities that entitle the holder thereof
to acquire shares of our Common Stock at a future determined price, subject to certain specified exceptions.

Lock-Up Agreements

We, our directors and executive
officers, and our 10% stockholders have agreed to be subject to a lock-up period of 60 days following the closing date