Mark D. Gerstein serves as Executive at OMNICOM GROUP INC., where they oversee executive responsibilities. Since joining the company, Mark D. Gerstein has executed 20 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Oct 1, 2025 involved receiving (via award) 628.6 shares valued at $0.
Mark D. Gerstein currently holds 12,755.07 shares of OMNICOM GROUP INC. (OMC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark D. Gerstein has been a net neutral trader of OMC stock. They have purchased $0 and sold $0 worth of shares.
Mark D. Gerstein's most recent insider trade was on Oct 1, 2025, when they sold 628.6 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Jul 1, 2024 | OMC | $0 | Award | 487.74 | $N/A | Discretionary |
| Jul 1, 2024 | OMC | $0 | Award | 250.84 | $N/A | Discretionary |
| Apr 1, 2024 | OMC | $0 | Award | 452.15 | $N/A | Discretionary |
| Apr 1, 2024 | OMC | $0 | Award | 232.53 | $N/A | Discretionary |
| Jan 1, 2024 | OMC | $0 | Award | 260.09 | $N/A | Discretionary |
| Jan 1, 2024 | OMC | $0 | Award | 505.72 | $N/A | Discretionary |
| Oct 1, 2023 | OMC | $0 | Award | 587.41 | $N/A | Discretionary |
| Oct 1, 2023 | OMC | $0 | Award | 302.1 | $N/A | Discretionary |
| Jul 1, 2023 | OMC | $0 | Award | 459.8 | $N/A | Discretionary |
| Jul 1, 2023 | OMC | $0 | Award | 236.47 | $N/A | Discretionary |
| Apr 1, 2023 | OMC | $0 | Award | 463.75 | $N/A | Discretionary |
| Apr 1, 2023 | OMC | $0 | Award | 238.5 | $N/A | Discretionary |
| Jan 1, 2023 | OMC | $0 | Award | 536.35 | $N/A | Discretionary |
| Jan 1, 2023 | OMC | $0 | Award | 275.84 | $N/A | Discretionary |
| Oct 1, 2022 | OMC | $0 | Award | 356.63 | $N/A | Discretionary |
| Oct 1, 2022 | OMC | $0 | Award | 693.45 | $N/A | Discretionary |
| Jul 1, 2022 | OMC | $0 | Award | 589.53 | $N/A | Discretionary |
| Jul 1, 2022 | OMC | $0 | Award | 1,146.31 | $N/A | Discretionary |