secwatch.observer — SEC 8-K summary
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Issuer:     OMNICOM GROUP INC. (OMC)
CIK:        0000029989
Form:       8-K
Filed at:   2026-10-06T21:01:28+00:00
Accession:  0001213900-26-107282
Event type: leadership
Sentiment:  neutral
Materiality: 0.25
Item codes: 5.02
LLM model:  deepseek-v4.1-flash:cloud@v2

Omnicom CAO Andrew Castellaneta retires after 25 years; Jordan Farnam named Chief Accounting Officer
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- Andrew Castellaneta retired as Senior Vice President and Chief Accounting Officer effective October 1, 2026, after more than 25 years at Omnicom; he will remain an employee for a transition period.
- Omnicom's board appointed Jordan Farnam, 44, as Vice President, Global Financial Reporting and Chief Accounting Officer, effective October 1, 2026.
- Farnam joined Omnicom in January 2024 as VP, Global Financial Reporting; previously Corporate Controller at Consumer Edge LLC (2022-2024) and Director, Technical Accounting at Spotify USA (2020-2022).
- Farnam also spent time at PricewaterhouseCoopers LLP, including as Assurance Director serving technology and media multinational clients in the U.S. and Finland.
- Omnicom stated Castellaneta's retirement is not the result of any disagreement with the Company on operations, policies or practices.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/29989/000121390026107282/0001213900-26-107282-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/29989/000121390026107282/ea0307855-8k_omnicom.htm
  HTML page:      https://secwatch.observer/filing/0001213900-26-107282

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