[Form 4] Omnicom Group Inc. Insider Trading Activity

Rhea-AI Filing Summary

Louis F. Januzzi, Senior Vice President, General Counsel and Secretary of Omnicom Group Inc. (OMC), reported a sale of 733 shares of Omnicom common stock on 08/15/2025 at a reported price of $76.31 per share. Following the transaction the filing shows 34,995.453 shares beneficially owned directly. The Form 4 was signed by an attorney-in-fact, Eric J. Cleary, on 08/19/2025.

Insights

Corporate Governance Expert

TL;DR: Insider sale disclosed; size appears modest relative to total reported holding.

The filing documents a routine Section 16 sale by a senior officer rather than an officer appointment or policy change. The reported disposal of 733 shares at $76.31 reduces the reporting person's direct holding to 34,995.453 shares. There is no indication in this Form 4 of a 10b5-1 plan or other transaction program, and no derivative activity is reported. As a standalone disclosure, this transaction is informational and does not by itself signal a material change to company governance or capital structure.

Securities Analyst

TL;DR: Small insider sale recorded; transaction provides a precise realized price but appears immaterial to overall ownership.

The sale execution price of $76.31 is recorded, and the remaining direct ownership is quantified at 34,995.453 shares. The Form 4 contains no additional context such as planned sales, option exercises, or hedging transactions. For investors tracking insider activity, this is a discrete disposal with clear price and quantity, but it lacks accompanying information that would make it a material signal for valuation or outlook.

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^*

Januzzi Louis F

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Senior VP, Gen. Counsel & Sec.

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2025

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	08/15/2025		F		733	D	$76.31	34,995.453	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:

	/s/ Eric J. Cleary, Attorney in Fact for Louis F. Januzzi	08/19/2025
	** 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 Louis F. Januzzi report on the Form 4 for OMC?

The Form 4 reports a sale of 733 shares of Omnicom common stock executed on 08/15/2025 at a price of $76.31 per share.

How many Omnicom shares does Louis F. Januzzi beneficially own after the reported transaction?

The filing shows 34,995.453 shares beneficially owned directly following the reported sale.

What is Louis F. Januzzi's role at Omnicom listed on the Form 4?

He is identified as Senior Vice President, General Counsel & Secretary of Omnicom Group Inc.

When was the Form 4 signed and by whom?

The Form 4 was signed by Eric J. Cleary, Attorney in Fact for Louis F. Januzzi on 08/19/2025.

Does the Form 4 report any derivative transactions or additional disclosures?

No. Table II for derivative securities is blank and there is no explanation or note of option exercises or derivative activity in this filing.