{"schema_version":"secwatch.filing_event.v1","accession":"0001595974-24-000045","form_type":"8-K","ticker":"MGNI","cik":"0001595974","company_name":"MAGNITE, INC.","filed_at":"2024-12-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:08.915656+00:00","generated_at":"2026-05-29T04:06:04.368554+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Magnite appoints Sean Buckley as President, Revenue and Katie Evans as President, Operations","bullets":["Appointed Sean Buckley as President, Revenue (effective Dec 11, 2024); previously CRO since Jan 2022.","Appointed Katie Evans as President, Operations; previously COO since Sep 2020.","Buckley previously served as COO of SpotX before Magnite acquisition in May 2021.","Evans previously served as COO of Telaria before Magnite acquisition in April 2020."],"urls":{"canonical":"https://secwatch.observer/filing/0001595974-24-000045","json":"https://secwatch.observer/filing/0001595974-24-000045.json","markdown":"https://secwatch.observer/filing/0001595974-24-000045.md","text":"https://secwatch.observer/filing/0001595974-24-000045.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1595974/000159597424000045/0001595974-24-000045-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1595974/000159597424000045/mgni-20241211.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-29T04:06:04.368554+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"}