---
schema_version: "secwatch.filing_event.v1"
accession: "0000937556-25-000160"
form_type: "8-K"
ticker: "MASI"
cik: "0000937556"
company_name: "MASIMO CORP"
filed_at: "2025-11-04T23:59:59+00:00"
generated_at: "2026-05-17T00:48:12.159836+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Masimo Q3 revenue $371.5M (+8.2%), non-GAAP EPS $1.32 (+38%); updates FY2025 guidance

## Summary
- GAAP revenue $371.5M (+8.2% YoY); GAAP diluted EPS $0.99; non-GAAP EPS $1.32 (+38% YoY).
- Operating margin improved 450 bps YoY; closed Sound United sale to Harman, used proceeds for stock buyback.
- Expanded strategic partnership with Philips; announces Investor Day on Dec 3.
- FY2025 non-GAAP revenue guidance $1.51-1.53B (+8.5-10% constant currency).
- FY2025 non-GAAP EPS guidance $5.40-5.55 including new tariffs; $5.62-5.79 excluding tariffs.

## SEC filing metadata
- accession: 0000937556-25-000160
- form_type: 8-K
- ticker: MASI
- cik: 0000937556
- company_name: MASIMO CORP
- filed_at: 2025-11-04T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/937556/000093755625000160/0000937556-25-000160-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/937556/000093755625000160/masi-20251104.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000937556-25-000160
- JSON: https://secwatch.observer/filing/0000937556-25-000160.json
- Plain text: https://secwatch.observer/filing/0000937556-25-000160.txt

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