---
schema_version: "secwatch.filing_event.v1"
accession: "0000937556-24-000004"
form_type: "8-K"
ticker: "MASI"
cik: "0000937556"
company_name: "MASIMO CORP"
filed_at: "2024-01-10T23:59:59+00:00"
generated_at: "2026-06-07T01:13:05.977589+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Masimo reports preliminary Q4 2023 rev $541-551M; FY2024 rev guidance $2.045-2.165B

## Summary
- Preliminary Q4 2023 consolidated revenue $541M-$551M; healthcare segment $336M-$341M.
- Full-year 2023 consolidated revenue $2.041B-$2.051B; healthcare $1.272B-$1.277B.
- FY2024 guidance: consolidated revenue $2.045B-$2.165B; healthcare $1.345B-$1.385B.
- FY2024 GAAP EPS $1.91-$2.08; non-GAAP EPS (updated) $3.44-$3.60 (prior $3.00-$3.15).
- Non-healthcare revenue expected to decline in FY2024 ($700M-$780M vs ~$771M in 2023).

## SEC filing metadata
- accession: 0000937556-24-000004
- form_type: 8-K
- ticker: MASI
- cik: 0000937556
- company_name: MASIMO CORP
- filed_at: 2024-01-10T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/937556/000093755624000004/0000937556-24-000004-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/937556/000093755624000004/masi-20240110.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000937556-24-000004
- JSON: https://secwatch.observer/filing/0000937556-24-000004.json
- Plain text: https://secwatch.observer/filing/0000937556-24-000004.txt

## Key facts
- Earnings Releases
  MASIMO CORP reported the fourth quarter and full-year ended December 30, 2023 results: revenue Consolidated revenue of $541 million to $551 million. Guidance initiated.
  - Period: the fourth quarter and full-year ended December 30, 2023
  - Revenue: Consolidated revenue of $541 million to $551 million
  - Guidance: initiated
  - Result: preliminary results
  source text: and full-year ended December 30, 2023 and provided estimates for its full-year 2024 guidance. Preliminary Fourth Quarter 2023 Financial Results: • Consolidated revenue of $541 million to $551 million; • Healthcare revenue of $336 million to $341 million; and • Non-healthcare revenue of $205 million to $210 million. Preliminary Full-Year 2023 Financial Results:
  evidence_url: https://www.sec.gov/Archives/edgar/data/937556/000093755624000004/0000937556-24-000004-index.htm

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