{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-047839","form_type":"8-K","ticker":"MASI","cik":"0000937556","company_name":"MASIMO CORP","filed_at":"2026-04-23T23:59:59+00:00","discovered_at":"2026-05-14T18:02:33.955810+00:00","generated_at":"2026-05-15T04:46:57.930107+00:00","sec_items":["8.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Masimo provides supplemental proxy disclosures amid three stockholder lawsuits over Danaher merger","bullets":["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."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-047839","json":"https://secwatch.observer/filing/0001104659-26-047839.json","markdown":"https://secwatch.observer/filing/0001104659-26-047839.md","text":"https://secwatch.observer/filing/0001104659-26-047839.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/937556/000110465926047839/0001104659-26-047839-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/937556/000110465926047839/tm2612557d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T04:46:57.930107+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}