GCT Semiconductor (GCTS) chairman receives new RSU stock award

Rhea-AI Filing Summary

Lee Kyeongho reported acquisition or exercise transactions in this Form 4 filing.

GCT Semiconductor Holding, Inc. reported that Chairman and Class III Director Lee Kyeongho received an equity award of 9,259 shares of Common Stock on a grant/award basis, with no cash paid per share. The award is in the form of Restricted Stock Units, each representing one future share of common stock, and was determined for the quarter by dividing $27,500 by the $2.97 fair market value per share as of June 30, 2026, rounded down to the nearest whole share. The RSUs will vest on March 31, 2027, subject to Mr. Lee’s continued service through that date, and are payable in stock in accordance with his deferral election. Following this grant, Mr. Lee directly holds 1,096,122 shares of Common Stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Lee Kyeongho

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	9,259	$0.00	--

Holdings After Transaction: Common Stock — 1,096,122 shares (Direct, null)

Footnotes (1)

1. Each Restricted Stock Unit ("RSU") represents the right to receive one share of common stock, par value $0.0001 per share ("Common Stock") of GCT Semiconductor Holding, Inc. (the "Issuer") following vesting. The RSUs become payable in Common Stock in accordance with a deferral election made by the reporting person. The number of shares subject to and issuable under the award is determined on the last day of each calendar quarter during the period April 1, 2026 through March 31, 2027 (beginning with the quarter ending June 30, 2026) by dividing $27,500 by the fair market value per share of Common Stock, which was determined to be $2.97 on June 30, 2026, rounded down to the nearest whole share. The RSUs will vest on March 31, 2027, subject to continued service through such date. No expiration date is applicable to restricted stock units.

Key Figures

RSU grant size: 9,259 shares Quarterly award value: $27,500 Fair market value per share: $2.97 per share +4 more

7 metrics

RSU grant size 9,259 shares Quarterly award determined as of June 30, 2026

Quarterly award value $27,500 Numerator used to calculate RSUs each quarter

Fair market value per share $2.97 per share FMV of Common Stock on June 30, 2026

Post-transaction holdings 1,096,122 shares Common Stock directly held after the grant

Grant price $0.00 per share Equity award granted with no cash paid per share

Vesting date March 31, 2027 RSUs vest subject to continued service through this date

Award measurement period April 1, 2026–March 31, 2027 Calendar quarters over which award share counts are set

Key Terms

Restricted Stock Unit ("RSU"), fair market value per share, deferral election, vesting

4 terms

Restricted Stock Unit ("RSU") financial

"Each Restricted Stock Unit ("RSU") represents the right to receive one share of common stock"

fair market value per share financial

"by dividing $27,500 by the fair market value per share of Common Stock, which was determined to be $2.97"

deferral election financial

"The RSUs become payable in Common Stock in accordance with a deferral election made by the reporting person."

vesting financial

"The RSUs will vest on March 31, 2027, subject to continued service through such date."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 04:48 PM Accepted by SEC EDGAR 07/02/2026 - 04:48 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^*

Lee Kyeongho

(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)

X	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Chairman & Class III Director

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

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	06/30/2026		A		9,259(1)(2)(3)(4)	A	$0	1,096,122	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. Each Restricted Stock Unit ("RSU") represents the right to receive one share of common stock, par value $0.0001 per share ("Common Stock") of GCT Semiconductor Holding, Inc. (the "Issuer") following vesting. The RSUs become payable in Common Stock in accordance with a deferral election made by the reporting person.

2. The number of shares subject to and issuable under the award is determined on the last day of each calendar quarter during the period April 1, 2026 through March 31, 2027 (beginning with the quarter ending June 30, 2026) by dividing $27,500 by the fair market value per share of Common Stock, which was determined to be $2.97 on June 30, 2026, rounded down to the nearest whole share.

3. The RSUs will vest on March 31, 2027, subject to continued service through such date.

4. No expiration date is applicable to restricted stock units.

	/s/ Edmond Cheng, attorney-in-fact	07/02/2026
	** 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)

FAQ

What insider transaction did GCTS director Lee Kyeongho report?

Director Lee Kyeongho reported receiving a grant of 9,259 shares of GCT Semiconductor Holding, Inc. common stock as an equity award. The award was granted at $0.00 per share as part of his compensation package.

How was the 9,259-share RSU award for GCTS director calculated?

The award size was determined by dividing $27,500 by the $2.97 fair market value per GCT Semiconductor share as of June 30, 2026, then rounding down to the nearest whole share, resulting in 9,259 RSUs.

When do the new GCTS RSUs granted to Lee Kyeongho vest?

The granted RSUs vest on March 31, 2027, provided Lee Kyeongho continues serving through that date. After vesting, they become payable in GCT Semiconductor common stock under his deferral election.

How many GCTS shares does Lee Kyeongho hold after this RSU grant?

After this transaction, Lee Kyeongho directly holds 1,096,122 shares of GCT Semiconductor common stock. This total reflects his position following the 9,259-share equity award reported in the Form 4 filing.

What does each GCTS Restricted Stock Unit (RSU) represent in this grant?

Each RSU represents the right to receive one share of GCT Semiconductor common stock after vesting. The units will be settled in stock according to the director’s deferral election and are subject to the stated vesting schedule.