[8-K] GCT Semiconductor Holding, Inc. Reports Material Event

Rhea-AI Filing Summary

GCT Semiconductor Holding, Inc. filed a current report to disclose that it has licensed its 5G and 4G chipsets to one of the world’s largest satellite communications providers. The company communicated this development through a press release that is included with the report as an exhibit.

The filing highlights a new technology licensing relationship in satellite communications, suggesting broader use of GCT’s wireless chipsets in non-terrestrial networks. Detailed commercial terms are contained in the referenced press release rather than this report.

Insights

Semiconductor and licensing strategy analyst

GCT announces a new 5G/4G chipset licensing deal in satellite communications.

GCT Semiconductor Holding, Inc. reports that it has licensed its 5G and 4G chipsets to one of the world’s largest satellite communications providers. This points to the company’s technology being adopted in satellite connectivity, extending beyond traditional terrestrial mobile networks.

Licensing arrangements in semiconductors typically generate recurring revenue or royalties while limiting capital intensity, but this report does not provide financial terms, volumes, or duration. The strategic value therefore depends on the scale and rollout details described in the attached press release.

The development positions GCT within the growing satellite communications ecosystem, especially for 5G and advanced 4G services. Subsequent company disclosures may clarify revenue contribution, timing of deployments, and whether this relationship expands to additional products or regions.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): January 29, 2026

GCT Semiconductor Holding, Inc.

(Exact Name of Registrant as Specified in Its Charter)

001-41013

(Commission File Number)

Delaware	86-2171699
(State or Other Jurisdiction of Incorporation)	(I.R.S. Employer Identification No.)

2290 North 1st Street, Suite 201

San Jose, CA 95131

(Address of principal executive offices, including zip code)

(408) 434-6040

(Registrant’s telephone number, including area code)

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(g) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, par value $0.0001 per share		GCTS		NYSE
Warrants, each whole warrant exercisable for one share of Common Stock for $11.50 per share		GCTSW		NYSE

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter):

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

On January 29, 2026, GCT Semiconductor Holding, Inc. issued a press release announcing that it has licensed its 5G and 4G chipsets to one of the world’s largest satellite communications providers. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit Index

Exhibit Number		Description
99.1		Press Release issued by GCT Semiconductor Holding, Inc. on January 29, 2026
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

GCT SEMICONDUCTOR HOLDING, INC.

January 29, 2026	By:	/s/ Edmond Cheng
	Name:	Edmond Cheng
	Title:	Chief Financial Officer