{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-039967","form_type":"8-K","ticker":"MRSH","cik":"0000062709","company_name":"MARSH & MCLENNAN COMPANIES, INC.","filed_at":"2024-02-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:26.665656+00:00","generated_at":"2026-06-05T23:32:22.225537+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Marsh & McLennan prices $1B senior notes offering in two tranches","bullets":["Offering consists of $500M 5.150% notes due 2034 and $500M 5.450% notes due 2054.","Net proceeds to be used for general corporate purposes.","Closing expected February 20, 2024, subject to customary conditions.","Joint book-running managers include J.P. Morgan, Wells Fargo, Goldman Sachs, RBC, Morgan Stanley, TD Securities."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-039967","json":"https://secwatch.observer/filing/0001193125-24-039967.json","markdown":"https://secwatch.observer/filing/0001193125-24-039967.md","text":"https://secwatch.observer/filing/0001193125-24-039967.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/62709/000119312524039967/0001193125-24-039967-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/62709/000119312524039967/d642841d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T23:32:22.225537+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":"36d199b34ac834e506f4db0737dd1437cf56f895","claim":"MARSH & MCLENNAN COMPANIES, INC. entered into underwriting agreement with J.P. Morgan Securities LLC, Wells Fargo Securities, LLC, Goldman Sachs & Co. LLC, RBC Capital Markets, LLC, Morgan Stanley & Co. LLC and TD Securities (USA) LLC, as representatives of the several underwriters named therein valued at $500,000,000 aggregate principal amount of its 5.150% Senior Notes due 2034 and $500,000,000 aggrega (effective 2024-02-14).","evidence_excerpt":"On February 14, 2024, Marsh & McLennan Companies, Inc. (the “Company”) entered into an underwriting agreement (attached hereto as Exhibit 1.1 and incorporated herein by reference) with J.P. Morgan Securities LLC, Wells Fargo Securities, LLC, Goldman Sachs & Co. LLC, RBC Capital Markets, LLC, Morgan Stanley & Co. LLC and TD Securities (USA) LLC, as representatives of the several underwriters named therein (the “Underwriters”), pursuant to which the Underwriters agreed to purchase from the Company $500,000,000 aggregate principal amount of its 5.150% Senior Notes due 2034 (the “2034 Notes”) and $500,000,000 aggregate principal amount of its 5.450% Senior Notes due 2054 (the “2054 Notes,” and together with the 2034 Notes, the “Notes”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/62709/000119312524039967/0001193125-24-039967-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"underwriting"},{"label":"Counterparty","value":"J.P. Morgan Securities LLC, Wells Fargo Securities, LLC, Goldman Sachs & Co. LLC, RBC Capital Markets, LLC, Morgan Stanley & Co. LLC and TD Securities (USA) LLC, as representatives of the several underwriters named therein"},{"label":"Value","value":"$500,000,000 aggregate principal amount of its 5.150% Senior Notes due 2034 and $500,000,000 aggrega"},{"label":"Effective","value":"2024-02-14"}],"fact_type":"material_agreement"},{"claim_id":"d12d33e48b58ecbf41ef582015313318c8389958","claim":"MARSH & MCLENNAN COMPANIES, INC. entered into Supplemental Indenture with The Bank of New York Mellon, as trustee (effective 2024-02-20).","evidence_excerpt":"The Notes were issued on February 20, 2024 pursuant to the Indenture dated July 15, 2011, by and between the Company and The Bank of New York Mellon, as trustee (the “Trustee”), filed as Exhibit 4.1 to the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2011, as supplemented by the Eighteenth Supplemental Indenture (the “Supplemental Indenture”), dated as of February 20, 2024, by and between the Company and the Trustee, which is attached hereto as Exhibit 4.1 and is incorporated herein by reference.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/62709/000119312524039967/0001193125-24-039967-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"notes offering"},{"label":"Counterparty","value":"The Bank of New York Mellon, as trustee"},{"label":"Effective","value":"2024-02-20"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}