GCT Semiconductor Holding, Inc. SEC Filings

GCT Semiconductor Holding (GCTS) filed its Q3 2025 10‑Q. Net revenues fell to $430 thousand from $2.61 million a year ago, producing a gross loss of $1.05 million versus a prior gross profit of $1.63 million. Operating loss widened to $9.25 million, and net loss increased to $13.85 million (vs. $7.12 million).

Year‑to‑date, net revenues were $2.11 million (vs. $7.34 million) with a net loss of $34.36 million. Cash and cash equivalents were $8.34 million at September 30, 2025, up from $1.44 million at year‑end, supported by financing: an ATM program generated $1.4 million net proceeds and a May 2025 registered direct offering provided $9.9 million. The company has the right to sell up to $50.0 million under a common stock purchase agreement and had utilized $9.9 million of that capacity through quarter‑end.

Total current liabilities rose to $87.11 million, including borrowings of $59.41 million and current convertible promissory notes of $5.29 million. Stockholders’ deficit increased to $(80.15) million. Management states that these conditions raise substantial doubt about continuing as a going concern. Shares outstanding were 57,099,558 as of November 7, 2025.

Jeffrey Tuder, a Class III Director of GCT Semiconductor Holding, Inc. (GCTS), was granted 18,092 restricted stock units (RSUs) on 09/30/2025. Each RSU represents the right to one share of common stock payable in shares under a deferral election, and the award was recorded at a $0 transaction price. After this grant, the reporting person beneficially owned 94,893 shares.

The number of shares issued under the RSU award is determined quarterly by dividing $27,500 by the fair market value per share; the FMV used on 09/30/2025 was $1.52. The RSUs vest on 03/31/2026, subject to continued service, and restricted stock units have no expiration date.

Shin Hyunsoo, a Class II Director of GCT Semiconductor Holding, Inc. (GCTS), acquired 18,092 restricted stock units (RSUs) on 09/30/2025 under the GCT 2024 Omnibus Incentive Compensation Plan. Each RSU represents the right to one share of common stock and was recorded at a fair market value of $1.52 per share on the acquisition date. Following the grant, the reporting person beneficially owns 712,413 shares. The RSUs are scheduled to vest on 03/31/2026, subject to continued service, and have no expiration date. The award amount each quarter through March 31, 2026, is set by dividing $27,500 by the per-share fair market value, rounded down.

Lee Kyeongho, a Chairman & Class III Director of GCT Semiconductor Holding, Inc. (GCTS), reported acquisition of 18,092 restricted stock units (RSUs) on 09/30/2025. Each RSU converts into one share of common stock following vesting; the RSUs were granted under a formula that divides $27,500 by the fair market value per share each quarter. The filing states the fair market value used on 09/30/2025 was $1.52 per share. After the reported award, the reporting person beneficially owns 1,039,825 shares. The RSUs are scheduled to vest on 03/31/2026 and have no expiration date.

GCT Semiconductor Holding, Inc. director Chun Kukjin was granted 18,092 restricted stock units (RSUs) on 09/30/2025. Each RSU converts to one share of common stock and was recorded at a fair market value of $1.52 per share based on the issuer's valuation on that date. The number of shares under the award is set by dividing $27,500 by the per-share fair market value each quarter during April 1, 2025–March 31, 2026; the RSUs vest on 03/31/2026 subject to continued service. Following this transaction, the reporting person beneficially owns 82,339 shares. The RSUs were reported as acquired at a $0 cash price because they are deferred equity awards.

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.