Company Description
GCT Semiconductor Holding, Inc., operates as a fabless semiconductor company, designs, develops, and markets integrated circuits for the wireless semiconductor industry.
The company provides RF and modem chipsets based on 4G LTE technology, including 4G LTE, 4.5G LTE Advanced, and 4.75G LTE Advanced-Pro.
It develops and sells cellular IoT chipsets for low-speed mobile networks such as eMTC/NB-IOT/Sigfox, and other network protocols; and 5G solutions.
Its products and solutions are used in smartphones, tablets, customer premises equipment, USB dongles, routers, and M2M applications.
The company sells its products directly or indirectly through distributors to original equipment manufacturers and original design manufacturers primarily in Taiwan, China, Korea and Japan, Europe, North America and South America.
The company was formerly known as Global Communication Technology, Inc. GCT Semiconductor Holding, Inc. was founded in 1998 and is headquartered in San Jose, California.
| Country | United States |
| Founded | 1998 |
| Industry | Semiconductors |
| Sector | Technology |
| Employees | 121 |
| CEO | John Schlaefer |
Contact Details
Address: 2290 North 1st Street, Suite 201 San Jose, California 95131 United States | |
| Phone | 408 434 6040 |
| Website | gctsemi.com |
Stock Details
| Ticker Symbol | GCTS |
| Exchange | NYSE |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001851961 |
| CUSIP Number | 36170N107 |
| ISIN Number | US36170N1072 |
| Employer ID | 86-2171699 |
| SIC Code | 3674 |
Key Executives
| Name | Position |
|---|---|
| John Brian Schlaefer | President, Chief Executive Officer and Director |
| Dr. Kyeongho Lee Ph.D. | Co-Founder and Independent Chairman |
| Fong Ting Cheng | Chief Financial Officer |
| Alex Sum | Senior Vice President of Sales and Marketing |
| Dr. Jeongmin Kim Ph.D. | Chief Technology Officer and Vice President of Engineering |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Jul 25, 2025 | PRE 14A | Other preliminary proxy statements |
| Jun 10, 2025 | EFFECT | Notice of Effectiveness |
| Jun 6, 2025 | EFFECT | Notice of Effectiveness |
| Jun 6, 2025 | POS AM | Post-Effective amendments for registration statement |
| Jun 6, 2025 | 8-K | Current Report |
| May 30, 2025 | S-3/A | [Amend] Registration statement under Securities Act of 1933 |
| May 16, 2025 | 8-K | Current Report |
| May 16, 2025 | 424B5 | Filing |
| May 14, 2025 | 8-K | Current Report |
| May 14, 2025 | 10-Q | Quarterly Report |