# EDGAR Filing Document

**Accession Number:** 0001851961
**File Stem:** 0000929638-25-002157
**Filing Date:** 2025-6
**Character Count:** 2638
**Document Hash:** 85b35cb65a3ecea254eb48999bf3f856
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000929638-25-002157.hdr.sgml**: 20250820

**ACCESSION NUMBER**: 0000929638-25-002157

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250604

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** GCT Semiconductor Holding, Inc.
- **CENTRAL INDEX KEY:** 0001851961
- **STANDARD INDUSTRIAL CLASSIFICATION:** SEMICONDUCTORS & RELATED DEVICES [3674]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 862171699
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** CORRESP

**BUSINESS ADDRESS:**
- **STREET 1:** 2290 NORTH 1ST STREET
- **STREET 2:** SUITE 201
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95131
- **BUSINESS PHONE:** 408-434-6040

**MAIL ADDRESS:**
- **STREET 1:** 2290 NORTH 1ST STREET
- **STREET 2:** SUITE 201
- **CITY:** SAN JOSE
- **STATE:** CA
- **ZIP:** 95131

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Concord Acquisition Corp III
- **DATE OF NAME CHANGE:** 20210318

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|:---|
| **GCT Semiconductor Holding, Inc.**<br> 2290 North 1st Street, Suite 201<br> San Jose, California 95131<br> (408) 434-6040 |
| June 4, 2025<br>**VIA EDGAR**<br>Securities and Exchange Commission<br> Division of Corporation Finance<br> 100 F. Street, N.E.<br> Washington, D.C. 20549<br>Attention: Ms. Jennifer Angelini and Ms. Erin Purnell |
| **Re: GCT Semiconductor Holding, Inc.**<br> **Amendment to Registration Statement on Form S-3**<br> **Filed May 13, 2025**<br> **File No. 333-286704** |

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Ladies and Gentlemen:

In accordance with Rule 461 under the Securities Act of 1933, as amended, GCT Semiconductor Holding, Inc. (the "Registrant") respectfully requests that the effective date of the above-referenced Registration Statement on Form S-3 be accelerated so that the same will become effective at 4:00 PM EST on June 6, 2025, or as soon thereafter as is practicable.

The Registrant hereby authorizes Albert Lung and David Bionghi, of Morgan, Lewis & Bockius LLP to orally modify or withdraw this request for acceleration.

Please contact Albert Lung at (650) 843-7263 or albert.lung@morganlewis.com or David Bionghi at (212) 309-6138 or david.bionghi@morganlewis.com with any questions you may have concerning this request, and please notify them when this request for acceleration has been granted.

Very truly yours,<br> GCT Semiconductor Holding, Inc.<br>By: <u>/s/ John Schlaefer&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u> <br>Name: John Schlaefer<br> Title: Chief Executive Officer<br>

<br>