{"schema_version":"secwatch.filing_event.v1","accession":"0000937556-24-000085","form_type":"8-K","ticker":"MASI","cik":"0000937556","company_name":"MASIMO CORP","filed_at":"2024-09-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:16.446775+00:00","generated_at":"2026-05-31T01:58:35.902209+00:00","sec_items":["2.02","5.02","5.07","7.01","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Masimo CEO Joe Kiani resigns; Michelle Brennan named interim CEO; board elections tilt to Politan nominees","bullets":["Joe Kiani resigned as CEO on Sept 19, 2024, and filed a California lawsuit claiming 'Good Reason' termination.","Board appointed current director Michelle Brennan as interim CEO effective Sept 24; Korn Ferry hired for CEO search.","Shareholders elected Politan nominees William Jellison and Darlene Solomon to the board; Joe Kiani and Christopher Chavez were not elected.","Reaffirms non-GAAP guidance for Q3 2024 (provided Aug 6); strategic review of consumer businesses continues with Centerview, Morgan Stanley, Sullivan & Cromwell.","Board committed to value-creation initiatives including a potential sale or spin-off of consumer audio and healthcare units."],"urls":{"canonical":"https://secwatch.observer/filing/0000937556-24-000085","json":"https://secwatch.observer/filing/0000937556-24-000085.json","markdown":"https://secwatch.observer/filing/0000937556-24-000085.md","text":"https://secwatch.observer/filing/0000937556-24-000085.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/937556/000093755624000085/0000937556-24-000085-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/937556/000093755624000085/masi-20240925.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T01:58:35.902209+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":"33fe22cc38","claim":"Joe Kiani resigned as Chief Executive Officer at MASIMO CORP.","evidence_excerpt":"The same day, Mr. Joe Kiani delivered a notification (the “ Notice ”) to the Board of Directors (the “ Board ”) of the Company stating his decision to resign from his position of Chief Executive Officer of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/937556/000093755624000085/0000937556-24-000085-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"},{"claim_id":"82ccbb53e6","claim":"Michelle Brennan was appointed as interim chief executive officer at MASIMO CORP.","evidence_excerpt":"On September 24, 2024, the Board appointed Board member Michelle Brennan to serve as the Company’s interim chief executive officer (“ Interim CEO ”) effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/937556/000093755624000085/0000937556-24-000085-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"interim chief executive officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}