---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-027362"
form_type: "8-K"
ticker: "GH"
cik: "0001576280"
company_name: "Guardant Health, Inc."
filed_at: "2025-02-14T23:59:59+00:00"
generated_at: "2026-05-26T21:19:30.130210+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Guardant Health issues $600M 1.25% convertible notes due 2031; retires $659.3M of 0% notes due 2027

## Summary
- Exchanged $600M new 1.25% convertible notes due 2031 for $659.3M of existing 0% notes due 2027.
- After close, $490.7M of 2027 notes remain outstanding; new notes mature Feb 15, 2031.
- Initial conversion price ~$62.22/share (35% premium to Feb 6 closing price).
- Up to 13,017,960 shares may be issued upon conversion based on initial max conversion rate.
- New notes are senior unsecured; interest payable semi-annually at 1.25%.

## SEC filing metadata
- accession: 0001193125-25-027362
- form_type: 8-K
- ticker: GH
- cik: 0001576280
- company_name: Guardant Health, Inc.
- filed_at: 2025-02-14T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1576280/000119312525027362/0001193125-25-027362-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1576280/000119312525027362/d891468d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-027362
- JSON: https://secwatch.observer/filing/0001193125-25-027362.json
- Plain text: https://secwatch.observer/filing/0001193125-25-027362.txt

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