Welcome to our dedicated page for GCT Semiconductor Holding SEC filings (Ticker: GCTS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The GCT Semiconductor Holding, Inc. (NYSE: GCTS) SEC filings page on Stock Titan provides access to the company’s regulatory disclosures, along with AI-powered summaries that help explain the content of each filing. As a Delaware-incorporated, NYSE-listed fabless semiconductor company focused on 5G and 4G LTE system-on-chip solutions, GCT uses SEC reports to present details about its operations, financial condition, governance and financing arrangements.
Through this page, readers can review annual reports on Form 10-K and quarterly reports on Form 10-Q, which describe GCT’s product and service revenues, research and development spending, operating expenses, liquidity, debt levels and accumulated deficit. These filings also contain management’s discussion and analysis of business developments, including the transition of its 5G chipset from development and sampling to commercialization.
The filings page also surfaces current reports on Form 8-K, where GCT discloses material events such as business updates, financial results, loan agreements and convertible promissory note purchase agreements. For example, the company has filed 8-Ks describing a term loan facility with its largest shareholder and a convertible note facility with a financial investor, as well as 8-Ks furnishing press releases on quarterly financial results.
Investors can also find proxy statements on Schedule DEF 14A, which outline matters submitted to stockholders, including director elections, auditor ratification and approvals related to equity line facilities under New York Stock Exchange rules. Where applicable, insider transaction reports on Form 4 and other ownership-related filings can provide additional insight into equity holdings and changes.
Stock Titan’s interface combines real-time updates from EDGAR with AI-generated explanations that break down complex sections of long filings, highlight key terms in financing agreements, and clarify how new obligations or capital-raising activities relate to GCT’s 5G and 4G LTE semiconductor business. This helps users quickly understand the implications of new 10-Ks, 10-Qs, 8-Ks, proxy statements and other SEC documents for the GCTS stock.
GCT Semiconductor Holding, Inc. director Nelson Chan was granted 18,092 restricted stock units (RSUs) on 09/30/2025 under the GCT 2024 Omnibus Incentive Compensation Plan. Each RSU converts to one share of common stock following vesting; the grant size was determined by dividing a fixed cash amount of $27,500 by the fair market value per share of $1.52 on the transaction date, producing the rounded share count. The RSUs vest on 03/31/2026 subject to continued service, and no expiration date applies. After the grant, the reporting person beneficially owns 78,604 shares.
Robert Barker, a Class II Director of GCT Semiconductor Holding, Inc. (GCTS), was granted 18,092 restricted stock units (RSUs) on 09/30/2025. Each RSU converts to one share of Common Stock and the award was calculated by dividing a cash amount of $27,500 by the fair market value per share of $1.52 as of 09/30/2025, rounded down to whole shares. The RSUs are payable in Common Stock per a deferral election and will vest on 03/31/2026 subject to continued service through that date. After this grant, the reporting person beneficially owns 95,413 shares. No expiration date applies to the RSUs.
John Schlaefer, President, CEO and Class III Director of GCT Semiconductor Holding, Inc. (GCTS), received a distribution of 555 shares of common stock on 09/26/2025 from Parakletos @ Venture Millennium Fund LP for no consideration. After the transaction the reporting person beneficially owns 202,728 shares, held directly. The Form 4 was signed by an attorney-in-fact, Edmond Cheng, on 09/30/2025. The filing documents an insider acquisition that modestly increases the reporting person’s direct stake in the company.
Kim Jeong-Min, Chief Technology Officer of GCT Semiconductor Holding, Inc. (GCTS), was granted 75,000 restricted stock units (RSUs) on 09/19/2025. The RSUs are a contingent right to receive one share of common stock each and vest in four equal annual installments of 25% beginning on 09/19/2026, subject to continued service. After the grant the reporting person beneficially owned 302,701 shares. The Form 4 was signed by an attorney-in-fact on 09/22/2025. The filing documents a standard executive equity award intended for retention and aligns the officer’s compensation with shareholder value.
GCT Semiconductor Holding, Inc. reported a grant of 75,000 restricted stock units (RSUs) to John Schlaefer, who serves as President, CEO and a Class III director. The RSUs were granted on September 19, 2025 and vest over four years in equal 25% installments on each anniversary beginning September 19, 2026, subject to continued service. After the grant, the reporting person beneficially owns 202,173 shares of common stock. The Form 4 was signed by an attorney-in-fact on September 22, 2025.
Edmond Cheng, Chief Financial Officer of GCT Semiconductor Holding, Inc. (GCTS), was granted 75,000 restricted stock units (RSUs) on 09/19/2025. The RSUs are a contingent right to receive common stock and carry a $0 grant price. They vest over four years in equal 25% installments on each anniversary of the grant, beginning 09/19/2026, subject to continued service. After this transaction the reporting person beneficially owns 151,000 shares (directly). The filing documents the standard Section 16 disclosure of an executive equity award and shows the company’s use of time‑based RSUs for retention.
Alex Sum, Sr. VP of Sales and Marketing at GCT Semiconductor Holding, Inc. (GCTS), was granted 75,000 restricted stock units (RSUs) on 09/19/2025. The RSUs carry a $0 grant price and represent a contingent right to one share of common stock each. They vest in four equal annual installments (25% each) beginning on 09/19/2026, subject to continued service. After the grant, the reporting person beneficially owned 183,743 shares. The Form 4 was signed by an attorney-in-fact on 09/22/2025.
GCT Semiconductor Holding, Inc. reported the results of its 2025 annual stockholder meeting held on September 18, 2025. Stockholders elected directors Nelson C. Chan and Dr. Kukjin Chun, each receiving over 30.5 million votes in favor, with broker non-votes reported.
They also ratified the appointment of the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2025, with 32,620,731 votes for, 3,990 against and 985,375 abstentions. In a key governance item, stockholders approved, for purposes of New York Stock Exchange rules, the issuance of common stock in excess of 19.99% of outstanding common stock pursuant to the Company’s equity line of credit facility, with 30,629,198 votes for, 79,294 against, 912,989 abstentions and 1,988,615 broker non-votes.
Insider purchase by director. GCT Semiconductor Holding director Shin Hyunsoo purchased 44,067 shares of common stock on 09/12/2025 at $1.51 per share, increasing his direct holdings to 694,321 shares. The filing reports only a non-derivative acquisition and lists no derivative transactions. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person.
GCT Semiconductor Holding, Inc. disclosed that its wholly owned subsidiary, GCT Research, Inc., entered into a new term loan agreement with Anapass, Inc. The facility provides up to ₩15.0 billion South Korean Won, described as approximately USD $10.7 million, giving the company additional short-term funding capacity. The loan carries a 7.0% annual interest rate and will mature on September 10, 2026, meaning principal and interest must be repaid within roughly one year of signing. To secure repayment and other obligations under the agreement, GCT Research pledged certain assets as collateral, which increases the lender’s protection but encumbers those assets.