News & Events

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.

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.

Entry into a Material Definitive Agreement. On February 24, 2026, GCT Semiconductor, Inc., a subsidiary of GCT Semiconductor Holding, Inc. (the “Company”), entered into Amendment No. 1 (the “Amendment”) to that certain Convertible Promissory Note, dated February 26, 2024 (the “Original Note” and, as amended by the Amendment, the “Note”) with a strategic investor (the “Holder”). The Amendment modifies certain terms of the Original Note, including the extension of the maturity date of the Note…

of this Current Report on Form 8-K relating to the issuance of the Convertible Notes and the Company’s obligations thereunder is incorporated herein by reference. The Company incurred the obligations under the Convertible Notes upon execution of the Purchase Agreement on December 15, 2025. Cautionary Note Regarding Forward-Looking Statements Statements made in this Current Report on Form 8-K that are not descriptions of historical facts are forward-looking statements within the meaning of the…

Creation of a Direct Financial Obligation. The information set forth under

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.

Creation of a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement of a Registrant. The information set forth above under

Entry into a Material Definitive Agreement. September Loan Agreement On September 10, 2025, GCT Research, Inc. (“Borrower”), a wholly owned subsidiary of GCT Semiconductor Holding, Inc. (the “Company”) entered into a Loan Agreement (the “September Loan Agreement”) with Anapass, Inc. (the “Lender”). The September Loan Agreement provides for a term loan facility of an aggregate principal amount of up to ₩15.0 billion South Korean Won (or approximately USD $10.7 million) (the “September Loan”).…

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.

Entry into a Material Definitive Agreement. On May 15, 2025, GCT Semiconductor Holding, Inc., a Delaware corporation (the “Company”), entered into securities purchase agreements (the “Purchase Agreement”) with certain institutional investors (the “Purchasers”), pursuant to which the Company agreed to issue and sell to the Purchasers in a registered direct offering (the “Offering”) an aggregate of 7,006,370 shares (the “Shares”) of the Company’s common stock, par value $0.0001 per share (the “…

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.

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.

Entry into a Material Definitive Agreement. January Loan Agreement On January 24, 2025, GCT Research, Inc. (“Borrower”), a wholly owned subsidiary of GCT Semiconductor Holding, Inc. (the “Company”) entered into a Loan Agreement (the “January Loan Agreement”) with Kyeongho Lee, the Chairman of the Board of the Company (the “Lender”). The January Loan Agreement provides for a term loan facility of an aggregate principal amount of up to ₩6.5 billion South Korean Won (or USD $4,522,998) (the “Jan…