---
schema_version: "secwatch.filing_event.v1"
accession: "0000937556-25-000012"
form_type: "8-K"
ticker: "MASI"
cik: "0000937556"
company_name: "MASIMO CORP"
filed_at: "2025-02-07T23:59:59+00:00"
generated_at: "2026-05-27T01:18:04.347138+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Masimo terminates EVP, General Counsel Tom McClenahan; no replacement named

## Summary
- Tom McClenahan terminated as EVP, General Counsel and Corporate Secretary, effective Feb 6, 2025.
- No successor or interim replacement announced in the filing.
- Company did not disclose the reason for the termination.
- McClenahan was a key officer overseeing legal, compliance, and corporate governance.

## SEC filing metadata
- accession: 0000937556-25-000012
- form_type: 8-K
- ticker: MASI
- cik: 0000937556
- company_name: MASIMO CORP
- filed_at: 2025-02-07T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/937556/000093755625000012/0000937556-25-000012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/937556/000093755625000012/masi-20250206.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000937556-25-000012
- JSON: https://secwatch.observer/filing/0000937556-25-000012.json
- Plain text: https://secwatch.observer/filing/0000937556-25-000012.txt

## Key facts
- Executive change
  Tom McClenahan was terminated as Executive Vice President, General Counsel and Corporate Secretary at MASIMO CORP.
  - Action: terminated
  - Role: Executive Vice President, General Counsel and Corporate Secretary
  source text: On February 6, 2025, Masimo Corporation (the “ Company ”) terminated the employment of Tom McClenahan, the Company’s Executive Vice President, General Counsel and Corporate Secretary, effective as of February 6, 2025 .
  evidence_url: https://www.sec.gov/Archives/edgar/data/937556/000093755625000012/0000937556-25-000012-index.htm

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