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 13,031 shares of OMC, which is worth approximately $963,121. The most recent transaction as insider was on Oct 01, 2025, when has been sold 903 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) 13K

8.41% 3M change

44.44% 12M change

Total Value Held $963,121

Mark D Gerstein Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
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

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells OMC shares.

Notify only if

Value

Insider Trading

Get notified when an Omnicom Group Inc. insider buys or sells OMC shares.

Notify only if

Operation

Value

Type

News

Receive news related to OMNICOM GROUP INC.

Track Activities on OMC

Account