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GCT Semiconductor Holding, Inc.

For the period ended Jun 30, 2025. Filed Aug 12, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2025 · Filed Aug 12, 2025

GCTS$1.38+19.0%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

Exhibit Index
ExhibitNo.Description
4.1Form of Warrant
10.1‡Form of Securities Purchase Agreement dated May 15, 2025 between GCT Semiconductor Holding, Inc. and the Purchasers identified therein (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the SEC on May 16, 2025)
10.2‡Placement Agency Agreement dated May 15, 2025 by and between GCT Semiconductor Holding, Inc. and Roth Capital Partners, LLC (incorporated by reference to Exhibit 10.2 to the Registrant’s Current Report on Form 8-K filed with the SEC on May 16, 2025)
31.1**Certification of the Principal Executive Officer pursuant to Rule 13a‑14(a) and Rule 15d‑14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2**Certification of the Principal Financial Officer pursuant to Rule 13a‑14(a) and Rule 15d‑14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**Certification of the Principal Executive Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**Certification of the Principal Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INSInline XBRL Instance Document – the instance document does not appear in the Interactive Data File as its XBRL tags are embedded within the Inline XBRL document.
101.SCHInline XBRL Taxonomy Extension Schema Document With Embedded Linkbase Documents.
104Cover Page formatted as Inline XBRL and contained in Exhibit 101

‡ Certain of the exhibits and schedules have been omitted in accordance with Regulation S-K Item 601(a)(5). The Registrant agrees to furnish a copy of all omitted exhibits and schedules to the SEC upon its request.

** The certifications attached as Exhibits 32.1 and 32.2 that accompany this Quarterly Report, are deemed furnished and not filed with the Securities and Exchange Commission and are not to be incorporated by reference into any filing of GCT Semiconductor Holding, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date of this Quarterly Report, irrespective of any general incorporation language contained in such filing.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.