{"schema_version":"secwatch.filing_event.v1","accession":"0000062709-24-000060","form_type":"8-K","ticker":"MRSH","cik":"0000062709","company_name":"MARSH & MCLENNAN COMPANIES, INC.","filed_at":"2024-07-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:15.598973+00:00","generated_at":"2026-05-31T22:19:15.765626+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Marsh & McLennan appoints Jan Siegmund to Board of Directors","bullets":["Jan Siegmund, age 60, appointed independent director effective July 10, 2024.","Siegmund will serve on the Audit Committee; Board now has 12 directors.","Previously CFO of Cognizant Technology Solutions and ADP; over 30 years in finance & strategy.","Also serves on the Board of Directors of Western Union."],"urls":{"canonical":"https://secwatch.observer/filing/0000062709-24-000060","json":"https://secwatch.observer/filing/0000062709-24-000060.json","markdown":"https://secwatch.observer/filing/0000062709-24-000060.md","text":"https://secwatch.observer/filing/0000062709-24-000060.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/62709/000006270924000060/0000062709-24-000060-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/62709/000006270924000060/mmc-20240710.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T22:19:15.765626+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":"fdacdf4028","claim":"Jan Siegmund was appointed as independent member of the Board at MARSH & MCLENNAN COMPANIES, INC..","evidence_excerpt":"On July 10, 2024, the board of directors (the “Board”) of Marsh & McLennan Companies, Inc. (the “Company”) appointed Jan Siegmund, age 60, as an independent member of the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/62709/000006270924000060/0000062709-24-000060-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"independent member of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}