---
schema_version: "secwatch.filing_event.v1"
accession: "0000929638-25-001868"
form_type: "8-K"
ticker: "GCTS"
cik: "0001851961"
company_name: "GCT Semiconductor Holding, Inc."
filed_at: "2025-05-14T23:59:59+00:00"
generated_at: "2026-05-21T10:24:25.130696+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# GCT Q1 revenue $0.5M (-84.8% YoY); net loss $7.0M; 5G sampling starts end of May

## Summary
- Q1 net revenue $0.5M, down 84.8% YoY; net loss $7.0M vs net income $0.8M a year ago.
- Gross margin fell to 17.7% from 59.8% YoY; operating expenses rose 248.2% due to prior-year one-time gain.
- Cash and equivalents $1.0M at March 31; filed $200M shelf registration including $75M ATM facility.
- 5G chipset sampling to begin end of May; signed LOI with Orbic for Verizon-certified 5G module.
- Management expects 5G volume shipments in H2 2025 with ASP ~4x 4G to improve revenue and margin.

## SEC filing metadata
- accession: 0000929638-25-001868
- form_type: 8-K
- ticker: GCTS
- cik: 0001851961
- company_name: GCT Semiconductor Holding, Inc.
- filed_at: 2025-05-14T23:59:59+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/1851961/000092963825001868/0000929638-25-001868-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1851961/000092963825001868/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000929638-25-001868
- JSON: https://secwatch.observer/filing/0000929638-25-001868.json
- Plain text: https://secwatch.observer/filing/0000929638-25-001868.txt

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