secwatch.observer — SEC 8-K summary
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Issuer:     MARSH & MCLENNAN COMPANIES, INC. (MRSH)
CIK:        0000062709
Form:       8-K
Filed at:   2026-03-10T23:59:59+00:00
Accession:  0000062709-26-000071
Event type: leadership
Sentiment:  neutral
Materiality: 0.50
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Nick Studer to succeed Martin South as Marsh Risk CEO; South becomes Chief Client Officer
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- Effective April 1, 2026: Nick Studer becomes President and CEO of Marsh Risk, replacing Martin South.
- Martin South transitions to Chief Client Officer of Marsh, focusing on client experience and AI.
- Studer previously served as CEO of Oliver Wyman; South had been Marsh Risk CEO since 2022.
- South's compensation: base salary unchanged, annual bonus target $1.5M, LTI target $1.75M for 2026/2027.
- Both report to Marsh President and CEO John Doyle and remain on the Executive Committee.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/62709/000006270926000071/0000062709-26-000071-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/62709/000006270926000071/asouthappointment03102026.htm
  HTML page:      https://secwatch.observer/filing/0000062709-26-000071

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer