---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-200555"
form_type: "8-K"
ticker: "GH"
cik: "0001576280"
company_name: "Guardant Health, Inc."
filed_at: "2023-08-01T23:59:59+00:00"
generated_at: "2026-06-12T18:13:08.997653+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Guardant settles Illumina litigation, extends commercial partnership with three-year agreement

## Summary
- Guardant and Illumina agreed to dismiss with prejudice the March 2022 Delaware lawsuit, including all IP allegations.
- New three-year collaboration covers sharing of specimen samples for cancer research and a long-term purchase/supply commitment.
- The agreement extends the companies' longstanding commercial relationship; no financial terms disclosed.

## SEC filing metadata
- accession: 0001193125-23-200555
- form_type: 8-K
- ticker: GH
- cik: 0001576280
- company_name: Guardant Health, Inc.
- filed_at: 2023-08-01T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1576280/000119312523200555/0001193125-23-200555-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1576280/000119312523200555/d542051d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-200555
- JSON: https://secwatch.observer/filing/0001193125-23-200555.json
- Plain text: https://secwatch.observer/filing/0001193125-23-200555.txt

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