---
schema_version: "secwatch.filing_event.v1"
accession: "0000937556-25-000138"
form_type: "8-K"
ticker: "MASI"
cik: "0000937556"
company_name: "MASIMO CORP"
filed_at: "2025-09-23T23:59:59+00:00"
generated_at: "2026-05-17T05:56:11.535039+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Masimo completes sale of consumer audio unit to HARMAN for $350M; to prioritize share repurchases

## Summary
- Closed sale of Sound United to Harman (Samsung subsidiary) for $350M cash; received ~$328M at close subject to adjustments.
- CEO says sale positions Masimo to focus on core professional healthcare business, accelerate growth, and improve margins.
- Masimo plans to prioritize share repurchases with proceeds from the sale.
- Centerview Partners, Morgan Stanley, and Sullivan & Cromwell advised Masimo.

## SEC filing metadata
- accession: 0000937556-25-000138
- form_type: 8-K
- ticker: MASI
- cik: 0000937556
- company_name: MASIMO CORP
- filed_at: 2025-09-23T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/937556/000093755625000138/0000937556-25-000138-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/937556/000093755625000138/masi-20250923.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000937556-25-000138
- JSON: https://secwatch.observer/filing/0000937556-25-000138.json
- Plain text: https://secwatch.observer/filing/0000937556-25-000138.txt

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