GCT Semiconductor grants CFO 145,000 RSUs

GCT Semiconductor’s CFO received a four-year vesting grant of 145,000 RSUs, bringing his direct holdings to 296,000 shares-equivalent.

Rhea-AI Filing Summary

GCT Semiconductor Holding, Inc. (symbol: GCTS) is the issuer of record for a Form 4 filing submitted to the SEC. Cheng Edmond reported acquisition or exercise transactions in this Form 4 filing.

GCT Semiconductor Holding, Inc. (GCTS) reported that its Chief Financial Officer, Edmond Cheng, received a grant of 145,000 restricted stock units (RSUs) of common stock on September 10, 2026. After this award, he holds 296,000 shares/RSUs of common stock in direct ownership.

The RSUs represent a contingent right to receive one share of common stock per unit and vest over four years in equal 25% annual installments on each anniversary of the September 10, 2026 grant date, starting September 10, 2026, conditioned on his continued service with the company.

Insider Trade Summary

Grant/Award: 145,000 shares

Grant/Award 1 txn

Insider Cheng Edmond

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.0001 per share F1	145,000	$0.00	$0.00

Holdings After Transaction: Common Stock, par value $0.0001 per share — 296,000 shares (Direct)

Footnotes (1)

1. F1. Represents restricted stock units ("RSU"), which constitute a contingent right to receive one share of common stock, par value $0.0001 per share, of GCT Semiconductor Holding, Inc. The RSUs vest over four years in equal 25% installments on each anniversary of the September 10, 2026 grant date, commencing September 10, 2026, subject to the Reporting Person's continued service with the Issuer.

Key Figures

RSUs granted: 145,000 units Holdings after transaction: 296,000 shares/RSUs Vesting schedule: 25% per year over 4 years +2 more

5 metrics

RSUs granted 145,000 units Restricted stock units granted to the CFO on September 10, 2026

Holdings after transaction 296,000 shares/RSUs Direct ownership of GCT Semiconductor common stock following the RSU grant

Vesting schedule 25% per year over 4 years RSUs vest in equal annual installments starting September 10, 2026

Reported grant price per share $0.0000 Compensation grant of RSUs to the CFO

Grant date September 10, 2026 Date of RSU award to the CFO

Key Terms

restricted stock units, contingent right, vest over four years, continued service

4 terms

restricted stock units financial

"Represents restricted stock units ("RSU"), which constitute a contingent right"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"which constitute a contingent right to receive one share of common stock"

vest over four years financial

"The RSUs vest over four years in equal 25% installments"

continued service financial

"commencing September 10, 2026, subject to the Reporting Person's continued service"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity award did GCTS grant to its CFO Edmond Cheng?

Edmond Cheng received a grant of 145,000 restricted stock units (RSUs) of GCT Semiconductor Holding, Inc. common stock on September 10, 2026, as reported in the Form 4.

How do the new RSUs for GCTS’s CFO vest over time?

The 145,000 RSUs vest over four years in equal 25% installments on each anniversary of the September 10, 2026 grant date, beginning September 10, 2026, subject to Edmond Cheng’s continued service with GCT Semiconductor Holding, Inc.

What are the CFO’s total GCTS holdings after this Form 4 transaction?

Following the RSU grant, Edmond Cheng has direct ownership of 296,000 shares/RSUs of GCT Semiconductor Holding, Inc. common stock, as disclosed in the Form 4.

Did the GCTS CFO buy or sell any shares on the market in this filing?

No market purchase or sale is reported. The Form 4 shows a grant/award acquisition of 145,000 RSUs to the CFO, with a reported price per share of $0.0000, typical of compensation grants rather than open-market trades.

Is the RSU grant to the GCTS CFO subject to any conditions?

Yes. The RSUs vest only if the CFO maintains continued service with GCT Semiconductor Holding, Inc., with 25% vesting each year on the anniversaries of the September 10, 2026 grant date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/14/2026 - 04:25 PM Accepted by SEC EDGAR 09/14/2026 - 04:25 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cheng Edmond

(Last) (First) (Middle)

C/O GCT SEMICONDUCTOR HOLDING, INC.

2290 NORTH 1ST STREET, SUITE 201

(Street)

SAN JOSE CALIFORNIA 95131

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
GCT Semiconductor Holding, Inc. [ GCTS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.0001 per share	09/10/2026		A(1)		145,000	A	$0	296,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted stock units ("RSU"), which constitute a contingent right to receive one share of common stock, par value $0.0001 per share, of GCT Semiconductor Holding, Inc. The RSUs vest over four years in equal 25% installments on each anniversary of the September 10, 2026 grant date, commencing September 10, 2026, subject to the Reporting Person's continued service with the Issuer.

	/s/ Edmond Cheng	09/14/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)