GCT Semiconductor Holding, Inc.

GCT Semiconductor Holding, Inc. (Nasdaq: CNDB) is a fabless semiconductor company specializing in wireless communications chipsets, including 4G LTE and 5G solutions. The company became publicly listed through its merger with Concord III Acquisition Corp., a blank-check company sponsored by Concord Sponsor Group LLC that completed its SPAC IPO in 2021. The de-SPAC transaction closed in 2023, with GCT Semiconductor operating as the surviving public entity in the technology and semiconductors sector. The company filed an 8-K with the Securities and Exchange Commission on September 19, 2025, bearing accession number 0000929638-25-003527. For complete filing history, deal terms, and real-time corporate event tracking on CNDB and hundreds of other SPAC transactions, sign up for full data access at SpacDesk.