| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Januzzi Louis F | Senior VP, Gen. Counsel & Sec. | C/O OMNICOM GROUP INC., 280 PARK AVENUE, NEW YORK | /s/ Eric J. Cleary, Attorney in Fact for Louis F. Januzzi | 2025-05-19 | 0001963837 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OMC | Common Stock, par value $0.15 per share | Tax liability | -$107K | -1.4K | -4.61% | $76.29 | 29K | May 15, 2025 | Direct |