SEC Insider Transactions from Gerstein Mark D.

Last updated: 2026-04-03 21:06 UTC | Total transactions: 28

Gerstein Mark D has filed 28 insider transactions across 1 company since January 2023.

Most recent transaction: a grant/award of 298 shares of OMNICOM GROUP INC. ($OMC) on April 01, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
April 1, 2026 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 299 $0.00 15,167.5600 313,100,000 2.01% 0.00%
April 1, 2026 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 681 $0.00 14,868.7900 313,100,000 4.80% 0.00%
Jan. 1, 2026 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 635 $0.00 13,776.6800 313,100,000 4.83% 0.00%
Jan. 1, 2026 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 279 $0.00 14,055.3200 313,100,000 2.02% 0.00%
Oct. 1, 2025 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 629 $0.00 12,755.0700 196,400,000 5.18% 0.00%
Oct. 1, 2025 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 276 $0.00 13,031.0400 196,400,000 2.16% 0.00%
July 1, 2025 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 313 $0.00 12,020.3100 198,600,000 2.67% 0.00%
July 1, 2025 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 712 $0.00 11,707.5500 198,600,000 6.48% 0.00%
April 1, 2025 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 618 $0.00 10,632.1600 198,600,000 6.17% 0.00%
April 1, 2025 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 271 $0.00 10,903.5400 198,600,000 2.55% 0.00%
Jan. 1, 2025 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 262 $0.00 9,936.5800 198,600,000 2.70% 0.00%
Jan. 1, 2025 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 596 $0.00 9,675.0700 198,600,000 6.56% 0.00%
Oct. 1, 2024 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 423 $0.00 8,804.7600 198,900,000 5.05% 0.00%
Oct. 1, 2024 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 218 $0.00 9,022.3800 198,900,000 2.47% 0.00%
July 1, 2024 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 488 $0.00 8,072.1000 201,400,000 6.43% 0.00%
July 1, 2024 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 251 $0.00 8,322.9400 201,400,000 3.11% 0.00%
April 1, 2024 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 452 $0.00 7,300.8000 201,400,000 6.60% 0.00%
April 1, 2024 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 233 $0.00 7,533.3300 201,400,000 3.18% 0.00%
Jan. 1, 2024 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 260 $0.00 6,801.0500 201,400,000 3.98% 0.00%
Jan. 1, 2024 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 506 $0.00 6,540.9600 201,400,000 8.38% 0.00%
Oct. 1, 2023 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 302 $0.00 5,988.0100 207,000,000 5.31% 0.00%
Oct. 1, 2023 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 587 $0.00 5,685.9100 207,000,000 11.52% 0.00%
July 1, 2023 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 236 $0.00 5,065.6100 207,000,000 4.90% 0.00%
July 1, 2023 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 460 $0.00 4,829.1400 207,000,000 10.52% 0.00%
April 1, 2023 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 464 $0.00 4,103.4600 207,000,000 12.74% 0.00%
April 1, 2023 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 239 $0.00 4,341.9600 207,000,000 5.81% 0.00%
Jan. 1, 2023 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 536 $0.00 3,340.7700 207,000,000 19.13% 0.00%
Jan. 1, 2023 OMNICOM GROUP INC. $OMC Gerstein Mark D Director A Common Stock, par value $0.15 per share 276 $0.00 3,616.6100 207,000,000 8.26% 0.00%