Omnicom Group Inc. (OMC) director reports 634.68 deferred stock units on Form 4

Rhea-AI Filing Summary

Omnicom Group Inc. reported an equity transaction by director Valerie Williams involving deferred stock. On 01/01/2026, she acquired 634.68 shares of Omnicom common stock at a price of $0 per share, reflecting an election to defer receipt of these shares under the Omnicom Group Inc. 2021 Incentive Award Plan. After this transaction, she beneficially owned 24,487.11 shares directly. The filing notes that this total includes dividends on deferred shares that were reinvested in company stock and credited on October 10, 2025. The transaction was reported on a Form 4 filed for a single reporting person.

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
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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^*

Williams Valerie

(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)
01/01/2026

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	01/01/2026		A		634.68(1)	A	$0	24,487.11(2)	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. The reporting person elected to defer receipt of these shares under the terms of the Omnicom Group Inc. 2021 Incentive Award Plan.

2. Includes dividends on deferred shares that are reinvested in company stock, credited on October 10, 2025.

	/s/ Eric J. Cleary, Attorney in Fact for Valerie Williams	01/05/2026
	** 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.

FAQ

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

The filing reports that director Valerie Williams acquired 634.68 shares of Omnicom common stock on 01/01/2026 at a price of $0 per share through a deferral election under the company’s 2021 Incentive Award Plan.

How many Omnicom (OMC) shares does the reporting person beneficially own after this transaction?

Following the reported transaction, the director beneficially owned 24,487.11 shares of Omnicom Group Inc. common stock in direct ownership.

What is the nature of the Omnicom (OMC) shares acquired in this Form 4?

The 634.68 shares were acquired at $0 per share and represent shares that the director elected to receive on a deferred basis under the Omnicom Group Inc. 2021 Incentive Award Plan.

Does this Omnicom (OMC) Form 4 include information about dividends on deferred shares?

Yes. The filing states that the reported holdings include dividends on deferred shares that were reinvested in Omnicom stock and credited on October 10, 2025.

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

The reporting person is identified as a Director of Omnicom Group Inc., as indicated in the relationship section of the report.

Is this Omnicom (OMC) Form 4 filed for one or multiple reporting persons?

The report indicates that it is a Form filed by one reporting person, not a joint or group filing.