Deborah J. Kissire - 01 Jan 2026 Form 4 Insider Report for OMNICOM GROUP INC. (OMC)

Role: Director
Signature: /s/ Eric J. Cleary, Attorney in Fact for Deborah J. Kissire
Issuer symbol: OMC
Transactions as of: 01 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 05 Jan 2026, 19:56:14 UTC
Previous filing: 13 Nov 2025
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Kissire Deborah J.	Director	C/O OMNICOM GROUP INC., 280 PARK AVENUE, NEW YORK	/s/ Eric J. Cleary, Attorney in Fact for Deborah J. Kissire	05 Jan 2026	0001648794

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	OMC	Common Stock, par value $0.15 per share	Award	$0	+635	+2.5%	$0.000000	25,803	01 Jan 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reporting person elected to defer receipt of these shares under the terms of the Omnicom Group Inc. 2021 Incentive Award Plan.
F2	Includes dividends on deferred shares that are reinvested in company stock, credited on October 10, 2025.