NEW YORK, October 22, 2026 - Omnicom (NYSE: OMC) today announced results for the quarter ended September 30, 2026.
On October 1, 2026, after a distinguished career including more than 25 years at Omnicom Group Inc. (the “Company”), Andrew Castellaneta retired from his role as the Company’s Senior Vice President and Chief Accounting Officer, effective...
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