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

Rhea-AI Filing Summary

GCT Semiconductor Holding, Inc. furnished an 8-K announcing its financial results for the quarter ended September 30, 2025. The update was released via a press release, which is included as Exhibit 99.1.

The company stated that the information under Item 2.02, including Exhibit 99.1, is furnished and not deemed filed under Section 18 of the Exchange Act, and is not incorporated by reference into other filings unless expressly stated. The filing also lists Exhibit 104 for the cover page interactive data file. GCT’s securities are listed on the NYSE under GCTS (common stock) and GCTS.WS (warrants).

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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): November 12, 2025

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		GCTS.WS		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 2.02 Results of Operations and Financial Condition.

On November 12, 2025, GCT Semiconductor Holding, Inc. (the “Company”) issued a press release announcing financial results as of and for the quarter ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

The information in Item 2.02 of this Current Report, including Exhibit 99.1 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit Index

Exhibit Number		Description
99.1		Press Release, dated November 12, 2025, of GCT Semiconductor Holding, Inc.
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.
Date: November 12, 2025	By:	/s/ Edmond Cheng
	Name:	Edmond Cheng
	Title:	Chief Financial Officer

FAQ

What did GCT Semiconductor (GCTS) disclose in this 8-K?

The company furnished a press release announcing financial results for the quarter ended September 30, 2025, included as Exhibit 99.1.

Is the GCTS earnings information considered filed or furnished?

It is furnished under Item 2.02 and not deemed filed under Section 18 of the Exchange Act.

Where can I find the detailed Q3 2025 results for GCTS?

Details are in the press release attached as Exhibit 99.1 to the 8-K.

Which exhibits are included with this GCTS 8-K?

Exhibit 99.1 (press release dated November 12, 2025) and Exhibit 104 (cover page interactive data file).

What are GCT Semiconductor’s trading symbols and exchange?

Common stock trades as GCTS and warrants as GCTS.WS on the NYSE.

Which items of the 8-K are referenced?

Item 2.02 (Results of Operations and Financial Condition) and Item 9.01 (Financial Statements and Exhibits).