GCT Semiconductor Holding Inc is a designer and supplier of 5G and 4G LTE semiconductor solutions. It enabled fast and reliable 4G LTE connectivity to numerous commercial devices such as CPEs, mobile hotspots, routers, M2M applications, and smartphones, etc. The system-on-chip solutions integrate radio frequency, baseband modem, and digital signal processing functions, therefore offering complete 4G and 5G platform solutions with small form factors, low power consumption, high performance, high reliability, and cost-effectiveness. Geographically, operates in South Korea and the United States, with maximum revenue from the USA.
GCTS Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Grant or award
10
547,826
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
GCTS insider transactions (Form 4)
30
59 Form 4 filings on record, the earliest from Nov 21, 2024, newest first. Filing history page 1 of 2.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): Represents Restricted Stock Units ("RSUs") acquired pursuant to the terms of the GCT Semiconductor Holding, Inc. (the "Issuer") GCT 2024 Omnibus Incentive Compensation Plan. Each RSU represents the right to receive one share of common stock, par value $0.0001 per share ("Common… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): Represents Restricted Stock Units ("RSUs") acquired pursuant to the terms of the GCT Semiconductor Holding, Inc. (the "Issuer") GCT 2024 Omnibus Incentive Compensation Plan. Each RSU represents the right to receive one share of common stock, par value $0.0001 per share ("Common… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): Represents Restricted Stock Units ("RSUs") acquired pursuant to the terms of the GCT Semiconductor Holding, Inc. (the "Issuer") GCT 2024 Omnibus Incentive Compensation Plan. Each RSU represents the right to receive one share of common stock, par value $0.0001 per share ("Common… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): Represents Restricted Stock Units ("RSUs") acquired pursuant to the terms of the GCT Semiconductor Holding, Inc. (the "Issuer") GCT 2024 Omnibus Incentive Compensation Plan. Each RSU represents the right to receive one share of common stock, par value $0.0001 per share ("Common… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2027, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2026, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2026, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): Represents Restricted Stock Units ("RSUs") acquired pursuant to the terms of the GCT Semiconductor Holding, Inc. (the "Issuer") GCT 2024 Omnibus Incentive Compensation Plan. Each RSU represents the right to receive one share of common stock, par value $0.0001 per share ("Common… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2026, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2026, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): 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… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2026, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
Footnote F1 (shares): Represents Restricted Stock Units ("RSUs") acquired pursuant to the terms of the GCT Semiconductor Holding, Inc. (the "Issuer") GCT 2024 Omnibus Incentive Compensation Plan. Each RSU represents the right to receive one share of common stock, par value $0.0001 per share ("Common… Full note on SEC EDGAR
Footnote F2 (shares): 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… Full note on SEC EDGAR
Footnote F3 (shares): The RSUs will vest on March 31, 2026, subject to continued service through such date.
Footnote F4 (shares): No expiration date is applicable to restricted stock units.
GCT Semiconductor Holding, Inc. (GCTS) had 10 insider filings in the last 90 days, with the most recent on 2026-10-02. The full record for GCTS runs to 59 Form 4 filings, the earliest from 2024-11-21. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying GCTS stock?
No insider purchases of GCTS were filed in the last 90 days. 7 purchases are on record for this company.
How many insiders are selling GCTS stock?
No insider sales of GCTS were filed in the last 90 days.
Where can I see GCTS SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects GCTS Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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