[Form 4] OMNICOM GROUP INC. Insider Trading Activity

Rhea-AI Filing Summary

Linda Johnson Rice, a director of Omnicom Group Inc. (OMC), reported a non-derivative acquisition of 629 shares of Omnicom common stock on 10/01/2025. The transaction is recorded with a price of $0, and the filing shows total beneficial ownership of 12,119.89 shares following the transaction, which reflects fractional shares from dividend reinvestment credited on July 9, 2025. The Form 4 was signed by Eric J. Cleary, Attorney in Fact on 10/03/2025. The disclosure indicates the filing was made by one reporting person and identifies the reporting person as a director of the issuer.

Positive

• Director increased holdings by 629 shares
• Beneficial ownership disclosed as 12,119.89 shares
• Dividend reinvestment credited on July 9, 2025 explains fractional shares

Negative

• None.

Insights

Governance & Compliance Analyst

Director acquired 629 shares; ownership now 12,119.89.

The filing documents a routine insider acquisition by Linda Johnson Rice on 10/01/2025. The reported $0 price and the explanatory note indicate these shares include dividend reinvestment credited on July 9, 2025, rather than a cash purchase at market price.

This is a standard Section 16 disclosure showing a modest increase in a director's stake; it ensures transparency about insider holdings and compliance with reporting rules. The form is signed by an attorney in fact on 10/03/2025.

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).

1. Name and Address of Reporting Person^*

RICE LINDA JOHNSON

(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)
10/01/2025

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	10/01/2025		A		629	A	$0	12,119.89(1)	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. Includes dividends on deferred shares that are reinvested in company stock, credited on July 9, 2025.

	Eric J. Cleary, Attorney in Fact for Linda Johnson Rice	10/03/2025
	** 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.

FAQ

What transaction did Linda Johnson Rice report on Form 4 for OMC?

She reported an acquisition of 629 shares of Omnicom common stock on 10/01/2025.

Why is the reported price listed as $0 on the Form 4?

The filing shows a $0 price and an explanatory note that dividends on deferred shares were reinvested, credited on July 9, 2025.

What is Linda Johnson Rice's total beneficial ownership after the transaction?

The Form 4 reports total beneficial ownership of 12,119.89 shares following the reported transaction.

Who signed the Form 4 and when was it signed?

The Form 4 was signed by Eric J. Cleary, Attorney in Fact for Linda Johnson Rice on 10/03/2025.

Was this Form 4 filed individually or jointly?

The filing indicates it was a Form filed by one reporting person.