Company: GCTS
Filing Date: 2025-05-13
Form Type: S-3/A
Source: 0001104659-25-047808
Chunk: 19

Company: GCT Semiconductor Holding, Inc.
Filing Date: 2025-05-13
Form: S-3/A
Chunk 19
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 permitted
by law, a prospectus supplement may add, update, substitute, or change the information contained in this prospectus, including the identity
of each selling securityholder and the number of shares of Common Stock or Warrants registered on its behalf. A selling securityholder
may sell or otherwise transfer all, some or none of such shares of Common Stock or Warrants in this offering.

See “Plan of Distribution”
for further information regarding the selling securityholders’ methods of distributing these securities.

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|                                         |     |                               Shares 
                      of Common Stock |     |                |     |                                   |     |                            |   |     |                             Warrants 
             to Purchase Common Stock |     |                |     |                                   |     |                         |
| Name of Selling                         
 Securityholder                          |     |                               Number 
 Beneficially Owned Prior to Offering |     |         Number 
 Offered Hereby |     |                            Number 
 Beneficially Owned After Offering |     | Percentage                 
 of Class After Offering(1) |   |     |                               Number 
 Beneficially Owned Prior to Offering |     |         Number 
 Offered Hereby |     | Number                            
 Beneficially Owned After Offering |     | Percentage              
 of Class After Offering |
| 683 Capital Partners,                   
 LP (2)                                  |     |                              126,988 |     |        126,988 |     |                                 - |     | -                          |   |     |                                    - |     |              - |     | -                                 |     | -                       |
| Altana Calderwood Specialist            
 Alpha Fund (3)                          |     |                                3,745 |     |          3,745 |     |                                 - |     | -                          |   |     |                                    - |     |              - |     | -                                 |     | -                       |
| A.R.C. Directors Ltd.(4)                |     |                               62,500 |     |         62,500 |     |                                 - |     | -                          |   |     |                                    - |     |              - |     | -                                 |     | -                       |
| Anapass, Inc.(5)                        |     |                            8,954,816 |     |      8,954,816 |     |                                 - |     | -                          |   |     |                            1,085,670 |     |      1,085,670 |     | -                                 |