---
schema_version: "secwatch.filing_event.v1"
accession: "0000937556-24-000116"
form_type: "8-K"
ticker: "MASI"
cik: "0000937556"
company_name: "MASIMO CORP"
filed_at: "2024-11-18T23:59:59+00:00"
generated_at: "2026-05-29T23:31:09.244210+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Masimo formalizes interim CEO Michelle Brennan's employment agreement

## Summary
- Base salary of $1,042,000 per year; eligible for discretionary bonus with target $621,250.
- Granted 8,916 RSUs vesting on earlier of March 24, 2025 or appointment of permanent CEO.
- Agreement effective Sept 24, 2024 for six-month term; at-will employment.
- Brennan continues as Board member; waives board compensation during interim CEO period.

## SEC filing metadata
- accession: 0000937556-24-000116
- form_type: 8-K
- ticker: MASI
- cik: 0000937556
- company_name: MASIMO CORP
- filed_at: 2024-11-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/937556/000093755624000116/0000937556-24-000116-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/937556/000093755624000116/masi-20241113.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000937556-24-000116
- JSON: https://secwatch.observer/filing/0000937556-24-000116.json
- Plain text: https://secwatch.observer/filing/0000937556-24-000116.txt

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