Andrew Castellaneta - 15 Aug 2025 Form 4 Insider Report for OMNICOM GROUP INC. (OMC)

Role
SVP, Chief Accounting Officer
Signature
/s/ Eric J. Cleary, Attorney in Fact for Andrew Castellaneta
Issuer symbol
OMC
Transactions as of
15 Aug 2025
Net transactions value
-$141,174
Form type
4
Filing time
19 Aug 2025, 16:30:28 UTC
Previous filing
22 Oct 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Castellaneta Andrew SVP, Chief Accounting Officer C/O OMNICOM GROUP INC., 280 PARK AVENUE, NEW YORK /s/ Eric J. Cleary, Attorney in Fact for Andrew Castellaneta 19 Aug 2025 0001627493

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 Tax liability $141,174 -1,850 -7.8% $76.31 21,875 15 Aug 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 4,097 shares acquired under Omnicom's employee stock purchase plan.