<SEC-DOCUMENT>0000929638-25-004362-index.html : 20251124
<SEC-HEADER>0000929638-25-004362.hdr.sgml : 20251124
<ACCEPTANCE-DATETIME>20251124163111
ACCESSION NUMBER:		0000929638-25-004362
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251120
FILED AS OF DATE:		20251124
DATE AS OF CHANGE:		20251124

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Shin Hyunsoo
		CENTRAL INDEX KEY:			0002007757
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41013
		FILM NUMBER:		251513508

	MAIL ADDRESS:	
		STREET 1:		C/O GCT SEMICONDUCTOR, INC.
		STREET 2:		2290 NORTH 1ST STREET, SUITE 201
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131

ISSUER:		

	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

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<TEXT>
Document 1 - file: form4.html

Document 1 - RAW XML: form4.xml

</DOCUMENT>
</SEC-DOCUMENT>