Mark D Gerstein Omnicom Group Inc. (OMC) insider trading activity

Mark D Gerstein is Director of OMNICOM GROUP INC.. Currently has a direct ownership of 14,055 shares of OMC, which is worth approximately $1.02 Million. The most recent transaction as insider was on Jan 01, 2026, when has been sold 912 shares (Common Stock, par value $0.15 per share) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 14.1K

7.86% 3M change

41.46% 12M change

Total Value Held $1.02 Million

Mark D Gerstein Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 01 2026	BUY Grant, award, or other acquisition	-	912 Added 6.09%	14,055 Common Stock, par valu...
Oct 01 2025	BUY Grant, award, or other acquisition	-	903 Added 6.48%	13,031 Common Stock, par valu...
Jul 01 2025	BUY Grant, award, or other acquisition	-	1,024 Added 7.85%	12,020 Common Stock, par valu...
Apr 01 2025	BUY Grant, award, or other acquisition	-	889 Added 7.54%	10,903 Common Stock, par valu...
Jan 01 2025	BUY Grant, award, or other acquisition	-	856 Added 7.93%	9,936 Common Stock, par valu...
Oct 01 2024	BUY Grant, award, or other acquisition	-	640 Added 6.62%	9,022 Common Stock, par valu...
Jul 01 2024	BUY Grant, award, or other acquisition	-	737 Added 8.14%	8,322 Common Stock, par valu...

Apr 01 2024	BUY Grant, award, or other acquisition	-	684 Added 8.32%	7,533 Common Stock, par valu...
Jan 01 2024	BUY Grant, award, or other acquisition	-	765 Added 10.11%	6,801 Common Stock, par valu...
Oct 01 2023	BUY Grant, award, or other acquisition	-	889 Added 12.93%	5,988 Common Stock, par valu...
Jul 01 2023	BUY Grant, award, or other acquisition	-	695 Added 12.07%	5,065 Common Stock, par valu...
Apr 01 2023	BUY Grant, award, or other acquisition	-	701 Added 13.9%	4,341 Common Stock, par valu...
Jan 01 2023	BUY Grant, award, or other acquisition	-	811 Added 18.32%	3,616 Common Stock, par valu...
Oct 01 2022	BUY Grant, award, or other acquisition	-	1,049 Added 27.36%	2,785 Common Stock, par valu...
Jul 01 2022	BUY Grant, award, or other acquisition	-	1,735 Added 50.0%	1,735 Common Stock, par valu...

MDG

Mark D Gerstein

Director

New York, NY

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