---
schema_version: "secwatch.filing_event.v1"
accession: "0001110803-24-000007"
form_type: "8-K"
ticker: "ILMN"
cik: "0001110803"
company_name: "ILLUMINA, INC."
filed_at: "2024-02-08T23:59:59+00:00"
generated_at: "2026-06-06T05:18:47.018055+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Illumina Q4 rev $1.12B (+4% YoY), GAAP EPS $(1.11), non-GAAP $0.14; FY guide flat

## Summary
- Q4 revenue $1.12B, up 4% YoY (4% constant currency); GAAP gross margin 60.1%.
- GAAP diluted loss per share $(1.11) vs $(0.89) in Q4 2022; non-GAAP EPS $0.14 unchanged.
- FY 2023 revenue $4.5B down 2% YoY; GAAP loss per share $(7.34) (incl $821M GRAIL impairment).
- Shipped 79 NovaSeq X in Q4, 352 in FY 2023; FY 2024 Core Illumina revenue flat, non-GAAP op margin ~20%.
- GRAIL divestiture via sale or capital markets targeted to finalize terms by Q2 2024.

## SEC filing metadata
- accession: 0001110803-24-000007
- form_type: 8-K
- ticker: ILMN
- cik: 0001110803
- company_name: ILLUMINA, INC.
- filed_at: 2024-02-08T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1110803/000111080324000007/0001110803-24-000007-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1110803/000111080324000007/ilmn-20240208.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001110803-24-000007
- JSON: https://secwatch.observer/filing/0001110803-24-000007.json
- Plain text: https://secwatch.observer/filing/0001110803-24-000007.txt

## Key facts
- Earnings Releases
  ILLUMINA, INC. reported financial results for the fourth quarter and fiscal year ended December 31, 2023.
  - Period: the fourth quarter and fiscal year ended December 31, 2023
  - Result: reported results
  source text: On February 8, 2024, Illumina, Inc. (the "Company") issued a press release announcing financial results for the fourth quarter and fiscal year ended December 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1110803/000111080324000007/0001110803-24-000007-index.htm

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