Kyeongho Lee - Sep 30, 2025 Form 4 Insider Report for GCT Semiconductor Holding, Inc. (GCTS)

Role
Director, Chairman & Class III Director
Signature
/s/ Edmond Cheng, attorney-in-fact
Stock symbol
GCTS
Transactions as of
Sep 30, 2025
Transactions value $
$0
Form type
4
Date filed
10/2/2025, 04:06 PM
Previous filing
Jul 2, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lee Kyeongho Director, Chairman & Class III Director C/O GCT SEMICONDUCTOR HOLDING, INC., 2290 NORTH 1ST STREET, SUITE 201, SAN JOSE /s/ Edmond Cheng, attorney-in-fact 2025-10-02 0001542776

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GCTS Common Stock Award $0 +18.1K +1.77% $0.00 1.04M Sep 30, 2025 Direct F1, F2, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 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, 2025 through March 31, 2026 (beginning with the quarter ending June 30, 2025) by dividing $27,500 by the fair market value per share of Common Stock, which was determined to be $1.52 on September 30, 2025, rounded down to the nearest whole share.
F3 The RSUs will vest on March 31, 2026, subject to continued service through such date.
F4 No expiration date is applicable to restricted stock units.