secwatch.observer — SEC 8-K summary
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Issuer:     MASIMO CORP (MASI)
CIK:        0000937556
Form:       8-K
Filed at:   2025-08-19T23:59:59+00:00
Accession:  0000937556-25-000127
Event type: leadership
Sentiment:  neutral
Materiality: 0.25
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Director William Jellison resigns from Masimo board effective August 18, 2025
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- William Jellison resigned from the Board of Directors effective August 18, 2025.
- Resignation was not due to any disagreement with the company on operations, policies, or practices.
- Board Chairman Michelle Brennan thanked Jellison for his service during a transformative period.
- No replacement has been announced at this time.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/937556/000093755625000127/0000937556-25-000127-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/937556/000093755625000127/masi-20250818.htm
  HTML page:      https://secwatch.observer/filing/0000937556-25-000127

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer