---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-072151"
form_type: "8-K"
ticker: "MASI"
cik: "0000937556"
company_name: "MASIMO CORP"
filed_at: "2026-06-10T13:41:47+00:00"
generated_at: "2026-06-10T13:43:11.074459+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# Danaher completes $180/share acquisition of Masimo; Masimo becomes wholly owned subsidiary

## Summary
- Danaher completed acquisition of Masimo at $180.00 per share in cash on June 10, 2026.
- Masimo common stock ceased trading on Nasdaq; company will deregister under Section 12(b) of the Exchange Act.
- All outstanding Masimo shares cancelled and converted to right to receive $180 cash per share, no interest.
- Masimo's credit agreement terminated and paid off; all guarantees released.
- Six directors resigned; three executives (Szyman, Meehan, Dadswell) entered separation agreements with 3-month consulting.

## SEC filing metadata
- accession: 0001104659-26-072151
- form_type: 8-K
- ticker: MASI
- cik: 0000937556
- company_name: MASIMO CORP
- filed_at: 2026-06-10T13:41:47+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.02, 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/937556/000110465926072151/0001104659-26-072151-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/937556/000110465926072151/tm2617395d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-072151
- JSON: https://secwatch.observer/filing/0001104659-26-072151.json
- Plain text: https://secwatch.observer/filing/0001104659-26-072151.txt

## Key facts
- Equity Issuances
  MASIMO CORP issued common stock.
  - Security: common stock
  source text: As a result of the Merger, each Share that was issued and outstanding immediately prior to the Effective Time (except as described in Item 2.01 of this Current Report on Form 8-K) was cancelled and converted automatically, at the Effective Time, into the right to receive the Per Share Merger Consideration.
  evidence_url: https://www.sec.gov/Archives/edgar/data/937556/000110465926072151/0001104659-26-072151-index.htm
- Material Agreements
  MASIMO CORP terminated Credit Agreement with Bank of America, N.A. valued at paid off all obligations owing, and terminated the commitments (effective 2026-06-10).
  - Action: termination
  - Agreement: credit facility
  - Counterparty: Bank of America, N.A.
  - Value: paid off all obligations owing, and terminated the commitments
  - Effective: 2026-06-10
  source text: on the Closing Date, the Company paid off all obligations owing, and terminated the commitments, under that certain Credit Agreement, dated as of December 1, 2025, by and among the Company, the lenders and issuing banks party thereto and Bank of America, N.A., as administrative agent
  evidence_url: https://www.sec.gov/Archives/edgar/data/937556/000110465926072151/0001104659-26-072151-index.htm

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