Company: GCTS
Filing Date: 2025-03-26
Form Type: 424B3
Source: 0000929638-25-001279
Chunk: 0

Company: GCT Semiconductor Holding, Inc.
Filing Date: 2025-03-26
Form: 424B3
Chunk 0
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Prospectus Supplement No. 5 Filed Pursuant to Rule 424(b)(3) File No. 333-278809 GCT Semiconductor Holding, Inc. 2290 North 1st Street, Suite 201 San Jose, California 95131 (408) 434-6040 Prospectus Supplement No. 5 (to the Prospectus dated May 23, 2024) This Prospectus Supplement No. 5 supplements and amends the prospectus dated May 23, 2024, Prospectus Supplement No. 1 dated August 15, 2024, Prospectus Supplement No. 2 dated August 26, 2024, Prospectus Supplement No. 3 dated September 27, 2024, and Prospectus Supplement No. 4 dated November 15, 2024 (the “Prospectus”), relating to the issuance of an aggregate of up to 26,724,001 shares of the Company’s common stock, $0.0001 par value per share (the “Common Stock”) and the sale from time to time by selling shareholders of (i) up to 35,970,732 shares of Common Stock consisting of (a) up to 6,580,000 shares of Common Stock issuable upon exercise of the Private Placement Warrants at a price of $11.50 per share, which were initially issued to Sponsors at an effective purchase price of $1.00, (b) 19,685,138 shares of Common Stock acquired by certain Selling Securityholders party to the Registration Rights Agreement (as defined therein), at an effective purchase price ranging from $0.00 to $120.48 per share, (c) up to 4,529,967 shares of Common Stock originally issued to investors in a private placement pursuant to those certain Subscription Agreements at an effective purchase price of $6.67 per share, (d) up to 1,781,626 shares of Common Stock issued to certain third parties as consideration for their entry into certain non-redemption agreements with Concord III and the Sponsor pursuant to which such Selling Securityholders agreed not to request redemption or to reverse any previously submitted redemption demand in connection with the Business Combination, (e) up to 500,000 shares of Common Stock underlying a convertible promissory note issued to a strategic investor in the principal amount of $5,000,000 and (f) up to 2,894,001 shares of Common Stock that are issuable upon the