---
schema_version: "secwatch.filing_event.v1"
accession: "0001110803-23-000061"
form_type: "8-K"
ticker: "ILMN"
cik: "0001110803"
company_name: "ILLUMINA, INC."
filed_at: "2023-08-09T23:59:59+00:00"
generated_at: "2026-06-11T21:22:33.592035+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Illumina CMO Phil Febbo departs Aug 7; CTO Alex Aravanis departs Aug 9, replaced by Steven Barnard

## Summary
- Dr. Phil Febbo, Chief Medical Officer, departed Illumina on August 7, 2023.
- Dr. Alex Aravanis, Chief Technology Officer, departing August 9 to pursue another opportunity.
- Dr. Steven Barnard appointed CTO effective immediately; Barnard joined Illumina in 1998 as first scientist.
- Barnard previously VP of Global Advanced Science, holds >100 patents, led NovaSeq X series development.

## SEC filing metadata
- accession: 0001110803-23-000061
- form_type: 8-K
- ticker: ILMN
- cik: 0001110803
- company_name: ILLUMINA, INC.
- filed_at: 2023-08-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1110803/000111080323000061/0001110803-23-000061-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1110803/000111080323000061/ilmn-20230807.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001110803-23-000061
- JSON: https://secwatch.observer/filing/0001110803-23-000061.json
- Plain text: https://secwatch.observer/filing/0001110803-23-000061.txt

## Key facts
- Executive change
  Alex Aravanis departed as Chief Technology Officer at ILLUMINA, INC..
  - Action: will depart
  - Role: Chief Technology Officer
  source text: on August 9, 2023, the Company announced that Dr. Alex Aravanis, who has served as Chief Technology Officer, will also depart the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1110803/000111080323000061/0001110803-23-000061-index.htm
- Executive change
  Steve Barnard was appointed as Chief Technology Officer at ILLUMINA, INC..
  - Action: appointed
  - Role: Chief Technology Officer
  source text: the appointment of Dr. Steve Barnard as the Company’s new Chief Technology Officer, effective immediately
  evidence_url: https://www.sec.gov/Archives/edgar/data/1110803/000111080323000061/0001110803-23-000061-index.htm
- Executive change
  Phil Febbo departed as Chief Medical Officer at ILLUMINA, INC..
  - Action: departed
  - Role: Chief Medical Officer
  source text: On August 7, 2023, Dr. Phil Febbo, Chief Medical Officer, departed Illumina, Inc. (the “Company”),
  evidence_url: https://www.sec.gov/Archives/edgar/data/1110803/000111080323000061/0001110803-23-000061-index.htm

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