---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-297576"
form_type: "8-K"
ticker: "ILMN"
cik: "0001110803"
company_name: "ILLUMINA, INC."
filed_at: "2025-11-25T23:59:59+00:00"
generated_at: "2026-05-16T16:46:47.599617+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Illumina closes $500M 4.750% notes due 2030; proceeds for refinancing and SomaLogic acquisition

## Summary
- Closed $500M public offering of 4.750% notes due December 12, 2030, issued under existing indenture.
- Net proceeds earmarked to refinance $500M of 5.800% notes maturing Dec 2025 and fund SomaLogic acquisition.
- Interest payable semi-annually at 4.750%; notes unsecured and may be redeemed at company's option.
- Offering registered on Form S-3; trustee is U.S. Bank Trust Company, National Association.

## SEC filing metadata
- accession: 0001193125-25-297576
- form_type: 8-K
- ticker: ILMN
- cik: 0001110803
- company_name: ILLUMINA, INC.
- filed_at: 2025-11-25T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1110803/000119312525297576/0001193125-25-297576-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1110803/000119312525297576/d22271d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-297576
- JSON: https://secwatch.observer/filing/0001193125-25-297576.json
- Plain text: https://secwatch.observer/filing/0001193125-25-297576.txt

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