---
schema_version: "secwatch.filing_event.v1"
accession: "0000929638-25-002185"
form_type: "8-K"
ticker: "GCTS"
cik: "0001851961"
company_name: "GCT Semiconductor Holding, Inc."
filed_at: "2025-06-06T23:59:59+00:00"
generated_at: "2026-05-19T18:37:20.998525+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# GCT reports Q1 revenue down 85% to $0.5M; 5G chipset sampling begins May 2025

## Summary
- Net revenues $0.5M (-84.8% YoY); net loss $7.0M vs prior-year net income $0.8M (incl. $14.6M gain).
- Gross margin 17.7%, down 42.1pp from 59.8%.
- Cash and equivalents $1.0M as of March 31, 2025.
- 5G chipset sampling begins end of May 2025; LOI with Orbic for Verizon-certified 5G module.
- Filed $200M shelf registration, including $75M ATM facility, for financial flexibility.

## SEC filing metadata
- accession: 0000929638-25-002185
- form_type: 8-K
- ticker: GCTS
- cik: 0001851961
- company_name: GCT Semiconductor Holding, Inc.
- filed_at: 2025-06-06T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1851961/000092963825002185/0000929638-25-002185-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1851961/000092963825002185/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000929638-25-002185
- JSON: https://secwatch.observer/filing/0000929638-25-002185.json
- Plain text: https://secwatch.observer/filing/0000929638-25-002185.txt

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