---
schema_version: "secwatch.filing_event.v1"
accession: "0000929638-26-001149"
form_type: "8-K"
ticker: "GCTS"
cik: "0001851961"
company_name: "GCT Semiconductor Holding, Inc."
filed_at: "2026-03-25T23:59:59+00:00"
generated_at: "2026-05-15T09:04:09.742061+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# GCT Semiconductor Q4 revenue $0.8M (-57.5% YoY); 5G chipset shipments exceed 1,900

## Summary
- Q4 revenue $0.8M (-57.5% YoY), FY2025 $2.9M (-68.6% YoY); gross margin negative as product revenue insufficient to absorb overhead.
- Q4 operating expenses $10.7M (+35% YoY); FY2025 $34.7M (+90.8% YoY) driven by 5G commercialization investments.
- Cash and cash equivalents $0.6M at Dec 31, 2025; improved to $9.4M as of Feb 28, 2026; $75M ATM and $125M shelf remain available.
- Commercial 5G chipset shipments exceeded 1,900 units in Q4; expects sequential quarterly revenue and 5G shipment growth throughout 2026.
- Entered $20M convertible note facility with $1M initial draw; secured licensing agreement with a major satellite communications provider.

## SEC filing metadata
- accession: 0000929638-26-001149
- form_type: 8-K
- ticker: GCTS
- cik: 0001851961
- company_name: GCT Semiconductor Holding, Inc.
- filed_at: 2026-03-25T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1851961/000092963826001149/0000929638-26-001149-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1851961/000092963826001149/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000929638-26-001149
- JSON: https://secwatch.observer/filing/0000929638-26-001149.json
- Plain text: https://secwatch.observer/filing/0000929638-26-001149.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.