Omnicom Group director reports stock received from IPG merger

Omnicom Group Inc. (OMC) director reports stock received in merger.

Rhea-AI Filing Summary

Omnicom Group Inc. (OMC) director reports stock received in merger. A board member filed a Form 4 showing acquisition of 22,269 shares of Omnicom common stock on 11/26/2025. The shares are held directly after the transaction.

According to the filing, this reflects the conversion of the director’s common and restricted stock in The Interpublic Group of Companies, Inc. (IPG) into Omnicom common stock under a previously signed Agreement and Plan of Merger. In that merger, an Omnicom subsidiary combined with IPG, leaving IPG as a wholly owned subsidiary of Omnicom, and the director’s IPG equity awards were converted into Omnicom shares on the terms set in the merger agreement.

Insider Trade Summary

Grant/Award: 22,269 shares

Grant/Award 1 txn

Insider WYATT E LEE

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.15 per share	22,269	$0.00	$0.00

Holdings After Transaction: Common Stock, par value $0.15 per share — 22,269 shares (Direct)

Footnotes (1)

1. F1. Pursuant to that certain Agreement and Plan of Merger, dated as of December 8, 2024 (the "Merger Agreement"), by and among the Issuer, The Interpublic Group of Companies, Inc. ("IPG") and EXT Subsidiary Inc. ("Merger Sub"), Merger Sub merged with and into IPG, with IPG surviving as a wholly owned subsidiary of the Issuer. Pursuant to the Merger Agreement, the Reporting Person's IPG common stock and restricted stock awards converted into the Issuer's common stock, according to the terms of the Merger Agreement.

FAQ

What insider transaction did Omnicom Group Inc. (OMC) disclose in this Form 4?

The filing reports that a director acquired 22,269 shares of Omnicom common stock on 11/26/2025, held in direct ownership after the transaction.

How did the Omnicom (OMC) director obtain the 22,269 shares reported?

The filing states that the director’s IPG common stock and restricted stock awards were converted into Omnicom common stock under an Agreement and Plan of Merger involving The Interpublic Group of Companies, Inc. (IPG).

What merger transaction is referenced in this Omnicom (OMC) Form 4?

The Form 4 references a merger where an Omnicom subsidiary merged with The Interpublic Group of Companies, Inc. (IPG), leaving IPG as a wholly owned subsidiary of Omnicom pursuant to a merger agreement dated December 8, 2024.

What is the reporting person’s relationship to Omnicom Group Inc. (OMC)?

The reporting person is identified as a Director of Omnicom Group Inc. and filed the Form 4 as a single reporting person.

What class of Omnicom (OMC) security is involved in this Form 4?

The transaction involves Common Stock, par value $0.15 per share of Omnicom Group Inc.

Does this Omnicom (OMC) Form 4 report any derivative securities?

No derivative securities are reported in Table II; only non-derivative common stock is shown as acquired.

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Accepted by SEC EDGAR 11/28/2025 - 04:30 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

WYATT E LEE

(Last) (First) (Middle)

C/O OMNICOM GROUP INC.

280 PARK AVENUE

(Street)

NEW YORK NY 10017

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
OMNICOM GROUP INC. [ OMC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/26/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.15 per share	11/26/2025		A		22,269	A	(1)	22,269	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Pursuant to that certain Agreement and Plan of Merger, dated as of December 8, 2024 (the "Merger Agreement"), by and among the Issuer, The Interpublic Group of Companies, Inc. ("IPG") and EXT Subsidiary Inc. ("Merger Sub"), Merger Sub merged with and into IPG, with IPG surviving as a wholly owned subsidiary of the Issuer. Pursuant to the Merger Agreement, the Reporting Person's IPG common stock and restricted stock awards converted into the Issuer's common stock, according to the terms of the Merger Agreement.

	/s/ Eric J. Cleary, Attorney-in-Fact for E. Lee Wyatt, Jr.	11/28/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.