secwatch.observer — SEC 8-K summary
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Issuer:     MASIMO CORP (MASI)
CIK:        0000937556
Form:       8-K
Filed at:   2026-04-23T23:59:59+00:00
Accession:  0001104659-26-047839
Event type: m_and_a
Sentiment:  neutral
Materiality: 0.65
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Masimo provides supplemental proxy disclosures amid three stockholder lawsuits over Danaher merger
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- Three stockholder lawsuits filed in NY and CA allege Masimo's proxy statement is incomplete; company denies merit.
- Masimo voluntarily supplements proxy with details on sale process, including Danaher’s final $180/share offer and Party F’s $186/share bid.
- Centerview fairness opinion: DCF range $165–$212/share; precedent transaction range $122–$186/share; net debt $372M.
- Special meeting remains May 1, 2026; Board continues recommending vote FOR the Danaher merger at $180/share.
- Supplemental disclosures do not change merger consideration, timing, or the Board’s recommendation.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/937556/000110465926047839/0001104659-26-047839-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/937556/000110465926047839/tm2612557d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-047839

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