GCT Semiconductor revenue plunges 69% as 5G ramp delayed; going-concern doubt deepens

Filed March 25, 2026 · Period ending December 31, 2025 · Compared to 10-K Mar 25, 2025 · ~2 min read

Key Changes

• high

  Revenue collapsed 69% to $2.9M in 2025 (from $9.1M in 2024); net loss tripled to $43.4M. Gross margin turned negative as product sales failed to cover fixed overhead. Company began 5G shipments in Q4 2025 but now expects meaningful revenue contribution in H2 2026, a year later than prior guidance.

  MD&A: Financial Results verify on EDGAR →
• high

  Cash fell to $0.6M at year-end with $56.6M debt due within 12 months. Company raised $12M via ATM and $9.9M via registered direct offering, but accrued $2.9M in penalties on overdue loans from chairman Dr. Lee. Going-concern language now states doubt extends beyond twelve months from issuance.

  MD&A: Liquidity & Notes: Going Concern verify on EDGAR →
• high

  Advanced 5G products (GDM7259X, GRF7259NR, GDM7235X) pushed from H1 2025 to H1 2027, a two-year delay. Entry-tier 5G chipsets (GDM7243SL, GDM7275X) shipped on time, but higher-performance SKUs remain in development, limiting near-term revenue upside.

  Business: Product Roadmap verify on EDGAR →