{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-015904","form_type":"8-K","ticker":"MASI","cik":"0000937556","company_name":"MASIMO CORP","filed_at":"2026-02-17T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.088600+00:00","generated_at":"2026-05-16T02:40:45.634138+00:00","sec_items":["1.01","7.01","5.02","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":1.0,"calibrated_materiality_score":1.0,"confidence":"high","headline":"Danaher to acquire Masimo for $180/share cash; total value $9.9B","bullets":["Masimo shareholders to receive $180.00 per share in cash for each share held.","Total enterprise value of $9.9 billion; transaction unanimously approved by both boards.","Masimo to operate as a standalone business unit within Danaher's Diagnostics segment.","Politan Capital Management, holding significant Masimo shares, agreed to vote in favor.","Closing expected in H2 2026, subject to regulatory approvals and shareholder vote."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-015904","json":"https://secwatch.observer/filing/0001104659-26-015904.json","markdown":"https://secwatch.observer/filing/0001104659-26-015904.md","text":"https://secwatch.observer/filing/0001104659-26-015904.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/937556/000110465926015904/0001104659-26-015904-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/937556/000110465926015904/tm266533d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T02:40:45.634138+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":[{"claim_id":"b240f46f36eac6b3a6178702ae63757c195154b4","claim":"MASIMO CORP entered into Voting and Support Agreement with Politan Capital Management LP (effective 2026-02-16).","evidence_excerpt":"(ii) a Voting and Support Agreement (the “ Voting Agreement ”), with Parent, Merger Sub and Politan Capital Management LP (“ Politan ”)","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/937556/000110465926015904/0001104659-26-015904-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Counterparty","value":"Politan Capital Management LP"},{"label":"Effective","value":"2026-02-16"}],"fact_type":"material_agreement"},{"claim_id":"f39bce031dcb0af1b4462a4dceedacacb5a0ffd0","claim":"MASIMO CORP entered into Agreement and Plan of Merger with Danaher Corporation and Mobius Merger Sub, Inc. valued at $180.00 in cash, without interest (effective 2026-02-16).","evidence_excerpt":"On February 16, 2026, Masimo Corporation (the “ Company ”) entered into (i) an Agreement and Plan of Merger (the “ Merger Agreement ”) with Danaher Corporation, a Delaware corporation (“ Parent ”), and Mobius Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of Parent (“ Merger Sub ”)","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/937556/000110465926015904/0001104659-26-015904-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"merger"},{"label":"Counterparty","value":"Danaher Corporation and Mobius Merger Sub, Inc."},{"label":"Value","value":"$180.00 in cash, without interest"},{"label":"Effective","value":"2026-02-16"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}