Company: GCTS
Filing Date: 2025-03-26
Form Type: 424B3
Source: 0000929638-25-001279
Chunk: 143

Company: GCT Semiconductor Holding, Inc.
Filing Date: 2025-03-26
Form: 424B3
Chunk 143
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 B. Riley. During the year ended December 31, 2024, the Company sold an aggregate of 2,364,053 shares of common stock for $9.5 million, of which $1.0 million was withheld by B. Riley against the outstanding amounts payable, and $8.5 million was received by the Company in cash. Issuance of Common Stock to Underwriter In April 2024, the Company authorized the issuance of 110,000 shares of its common stock to an underwriter previously involved in activities leading to the Business Combination, contingent on the Registration Statement’s effectiveness. The Company determined that its obligation to issue the underwriter shares met the criteria for equity classifications, and the underlying shares of common stock were issued in June 2024. Based on the timing of approval, the Company recognized $0.7 million in charges to equity and included this amount in general and administrative expenses for the year ended December 31, 2024. Private Placement In September 2024, the Company executed a securities purchase agreement with Anapass, Inc, and issued 741,603 shares of common stock (“Anapass Shares”) and 148,320 equity-classified common stock warrants (“Anapass Warrants”) in exchange for $2.2 million in 69 GCT SEMICONDUCTOR HOLDING, INC. Notes to Consolidated Financial Statements

cash (“Private Placement”). The Company allocated the proceeds based on the relative fair value of the securities issued, including $2.0 million to the Anapass Shares and $0.2 million to the Anapass Warrants. The Anapass Warrants are immediately exercisable at $3.02 per share and will expire after five years from the issuance date. Anapass, Inc. remains subject to a lock-up and market stand-off agreement for any shares and share-based instruments issued to it by the Company through March 2025. Common Stock Reserved for Issuance Upon the Closing of the Business Combination in March 2024, the Company increased its total number of authorized shares to 440,000,000 shares, consisting of 400,000,000 shares of common stock and 40,000,000 shares of preferred stock. The Company has reserved shares of common stock for issuance as follows (in thousands):

|                                                  |     | December 31, |        |     | December 31, |       |
|                                                  |     |         2024 |        |     |         2023 |