---
schema_version: "secwatch.filing_event.v1"
accession: "0000929638-26-001816"
form_type: "8-K"
ticker: "GCTS"
cik: "0001851961"
company_name: "GCT Semiconductor Holding, Inc."
filed_at: "2026-05-12T20:15:47+00:00"
generated_at: "2026-05-12T20:53:25.967227+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# GCT Semiconductor Q1 revenue up 287% YoY to $1.9M; 5G chipset shipments up 58% sequentially

## Summary
- Revenue $1.9M (+287% YoY); gross margin improved to 49.3% from 17.7%.
- 5G chipset shipments totaled 3,000 units in Q1, up ~58% sequentially.
- Operating expenses fell 9.6% to $7.1M; cash balance $7.2M at March 31.
- Expanded licensing deal with a large satellite provider; initial 5G chipset shipments to partner on track for H2 2026.
- Company expects sequential quarterly growth in 5G chipset shipments throughout 2026.

## SEC filing metadata
- accession: 0000929638-26-001816
- form_type: 8-K
- ticker: GCTS
- cik: 0001851961
- company_name: GCT Semiconductor Holding, Inc.
- filed_at: 2026-05-12T20:15:47+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1851961/000092963826001816/0000929638-26-001816-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1851961/000092963826001816/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000929638-26-001816
- JSON: https://secwatch.observer/filing/0000929638-26-001816.json
- Plain text: https://secwatch.observer/filing/0000929638-26-001816.txt

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