{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-123673","form_type":"8-K","ticker":"MASI","cik":"0000937556","company_name":"MASIMO CORP","filed_at":"2022-12-01T23:59:59+00:00","discovered_at":"2026-05-14T18:03:54.107272+00:00","generated_at":"2026-06-21T11:23:14.507261+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Masimo amends bylaws, sets stockholder notice period for 2023 annual meeting March 24-April 24","bullets":["Board adopted amended & restated bylaws on Dec 1, 2022 with clarifications on stockholder nominations.","Notice period for 2023 annual meeting runs March 24 - April 24, 2023, closing at 6 p.m. ET.","Clarified that hedge funds are not subject to 'Related Person' disclosure; funding arrangements for proxy solicitation now explicitly covered.","Nominating stockholders must disclose if they have plans for director nominations at other public companies, including competitors or litigation counterparties."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-123673","json":"https://secwatch.observer/filing/0001104659-22-123673.json","markdown":"https://secwatch.observer/filing/0001104659-22-123673.md","text":"https://secwatch.observer/filing/0001104659-22-123673.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/937556/000110465922123673/0001104659-22-123673-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/937556/000110465922123673/tm2231770d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T11:23:14.507261+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":"23ddad34334ada2d412f1537c547a9d45107ad13","claim":"MASIMO CORP: Amended and restated bylaws to change stockholder notice period for 2023 annual meeting and make clarifications/modifications (effective 2022-12-01).","evidence_excerpt":"approved and adopted amended and restated bylaws (the “Amended and Restated Bylaws”) to provide that the period for stockholders to give notice","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/937556/000110465922123673/0001104659-22-123673-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2022-12-01"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}