Business context and reporting period
Omnicom Group Inc. filed this Form 8-K to report executive changes effective October 1, 2026. The report was signed on October 6, 2026; it does not cover a financial reporting period.
Executive changes
- Andrew Castellaneta retired effective October 1, 2026, from his role as Senior Vice President and Chief Accounting Officer after more than 25 years with Omnicom. He will remain an employee for a period to support the transition.
- The company stated that his retirement was not due to disagreement over Omnicom’s operations, policies, or practices.
- The Board appointed Jordan Farnam Vice President, Global Financial Reporting and Chief Accounting Officer, effective October 1, 2026. He joined Omnicom in January 2024 and previously held accounting and finance roles at Consumer Edge, Spotify, and PwC.
Financial information and outlook
This filing provides no revenue, earnings, cash flow, margin, debt, liquidity, guidance, or financial outlook information.
Most important facts to verify
- Farnam’s appointment and effective date.
- Castellaneta’s transition arrangements and retirement effective date.