Zagorski Mark (CIK 0001709574)

Latest company ownership

Shares held
9,375
Last filed at
Sep 17, 2025
Confidence Score
44.0
2025Q4
Confidence Score History
2021Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 30, 2025 Dec 17, 2025 DoubleVerify Holdings, Inc. CEO Sell 45.0 -17,736 -0.74% $192.3K
Sep 15, 2025 Sep 17, 2025 DoubleVerify Holdings, Inc. CEO Sell 45.0 -17,836 -0.95% $232K
May 31, 2025 Jun 17, 2025 DoubleVerify Holdings, Inc. CEO Sell 32.5 -16,695 -0.74% $245.3K
Mar 15, 2025 Mar 17, 2025 DoubleVerify Holdings, Inc. CEO Sell 20.0 -17,659 -1.01% $253.6K
Nov 30, 2024 Dec 17, 2024 DoubleVerify Holdings, Inc. CEO Sell 32.5 -7,189 -0.58% $147.7K
Sep 30, 2024 Oct 2, 2024 DoubleVerify Holdings, Inc. CEO Sell 22.5 -5,761 -1.40% $97K
Sep 15, 2024 Sep 17, 2024 DoubleVerify Holdings, Inc. CEO Sell 32.5 -7,894 -0.98% $137.5K
Jun 30, 2024 Jul 2, 2024 DoubleVerify Holdings, Inc. CEO Sell 22.5 -5,761 -1.44% $112.2K
May 31, 2024 Jun 18, 2024 DoubleVerify Holdings, Inc. CEO Sell 32.5 -7,182 -0.62% $136.6K
Mar 31, 2024 Apr 2, 2024 DoubleVerify Holdings, Inc. CEO Sell 22.5 -5,761 -1.48% $202.6K
Mar 15, 2024 Mar 19, 2024 DoubleVerify Holdings, Inc. CEO Sell 32.5 -6,028 -0.80% $199.5K
Dec 31, 2023 Jan 3, 2024 DoubleVerify Holdings, Inc. CEO Sell 22.5 -5,761 -1.53% $211.9K
Nov 30, 2023 Dec 21, 2023 DoubleVerify Holdings, Inc. CEO Buy 56.3 +389 0.11% $11K
Dec 15, 2023 Dec 19, 2023 DoubleVerify Holdings, Inc. CEO Sell 32.5 -3,579 -0.97% $127.2K
Sep 30, 2023 Oct 3, 2023 DoubleVerify Holdings, Inc. CEO Sell 22.5 -5,761 -1.57% $161K
Sep 19, 2023 Sep 21, 2023 DoubleVerify Holdings, Inc. CEO Buy 65.0 +1,765 0.50% $50.1K
Sep 15, 2023 Sep 19, 2023 DoubleVerify Holdings, Inc. CEO Sell 32.5 -3,579 -1.00% $103.5K
Jun 30, 2023 Jul 5, 2023 DoubleVerify Holdings, Inc. CEO Sell 22.5 -5,978 -1.67% $232.7K
Jun 15, 2023 Jun 20, 2023 DoubleVerify Holdings, Inc. CEO Sell 32.5 -3,032 -0.86% $112.1K
Mar 31, 2023 Apr 4, 2023 DoubleVerify Holdings, Inc. CEO Sell 22.5 -4,415 -1.27% $133.1K
Mar 15, 2023 Mar 17, 2023 DoubleVerify Holdings, Inc. CEO Sell 32.5 -2,825 -0.83% $69.5K
Dec 31, 2022 Jan 4, 2023 DoubleVerify Holdings, Inc. CEO Sell 22.5 -5,978 -1.75% $131.3K
Dec 15, 2022 Dec 19, 2022 DoubleVerify Holdings, Inc. CEO Sell 22.5 -3,714 -1.11% $91.5K
Sep 30, 2022 Oct 4, 2022 DoubleVerify Holdings, Inc. CEO Sell 22.5 -5,978 -1.79% $163.5K
Sep 15, 2022 Sep 19, 2022 DoubleVerify Holdings, Inc. CEO Sell 22.5 -3,329 -1.02% $95.1K
Jun 30, 2022 Jul 5, 2022 DoubleVerify Holdings, Inc. CEO Sell 22.5 -4,415 -1.36% $100.1K
Jun 15, 2022 Jun 17, 2022 DoubleVerify Holdings, Inc. CEO Sell 32.5 -2,743 -0.87% $59.7K
Mar 29, 2022 Mar 31, 2022 DoubleVerify Holdings, Inc. CEO Buy 92.5 +19,846 6.83% $508.8K
Jul 21, 2021 Jul 22, 2021 DoubleVerify Holdings, Inc. CEO Sell 17.5 -49,681 -14.88% $1.8M