{"schema_version":"secwatch.filing_event.v1","accession":"0000937556-25-000022","form_type":"8-K","ticker":"MASI","cik":"0000937556","company_name":"MASIMO CORP","filed_at":"2025-02-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:06.880650+00:00","generated_at":"2026-05-26T12:59:05.441895+00:00","sec_items":["5.02","5.08","8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Masimo amends bylaws; reduces special meeting threshold to 20%, sets April 29 annual meeting","bullets":["Board approved Restated Bylaws; stockholders with 20% voting power can call special meetings.","Vote required for stockholder-approved bylaw amendments reduced from 75% to majority of voting power.","Advance notice period for nominations extended to 90-120 days before prior year's proxy mailing.","2025 Annual Meeting scheduled for April 29, 2025; proposals/nominations due March 1, 2025.","Proxy access nominations also due March 1, 2025; universal proxy rules compliance deadline same date."],"urls":{"canonical":"https://secwatch.observer/filing/0000937556-25-000022","json":"https://secwatch.observer/filing/0000937556-25-000022.json","markdown":"https://secwatch.observer/filing/0000937556-25-000022.md","text":"https://secwatch.observer/filing/0000937556-25-000022.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/937556/000093755625000022/0000937556-25-000022-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/937556/000093755625000022/masi-20250212.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T12:59:05.441895+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"}