---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-24-061521"
form_type: "8-K"
ticker: "MASI"
cik: "0000937556"
company_name: "MASIMO CORP"
filed_at: "2024-07-16T23:59:59+00:00"
generated_at: "2026-05-31T20:38:34.559521+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Masimo postpones annual meeting to Sept 19, sues Politan over proxy misstatements

## Summary
- Annual meeting postponed to Sept 19, 2024; new record date Aug 12, 2024.
- Filed federal lawsuit against Politan alleging material misstatements and omissions in their proxy materials.
- Prior votes and proxies disregarded; all stockholders must resubmit votes after revised proxy statement mailed.
- Stockholder proposal and director nomination deadline for the meeting is July 26, 2024.

## SEC filing metadata
- accession: 0001213900-24-061521
- form_type: 8-K
- ticker: MASI
- cik: 0000937556
- company_name: MASIMO CORP
- filed_at: 2024-07-16T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.08, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/937556/000121390024061521/0001213900-24-061521-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/937556/000121390024061521/ea0209474-8k_masimo.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-24-061521
- JSON: https://secwatch.observer/filing/0001213900-24-061521.json
- Plain text: https://secwatch.observer/filing/0001213900-24-061521.txt

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