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Zagorski Mark

No open-market purchases or sales filed in the past year.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
–
0 filings
Net
–
Bought minus sold
Companies
0
With open-market trades

Trades

Every Form 4 that lists Zagorski Mark as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

DV DoubleVerify Holdings, Inc.

Chief Executive Officer6 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Jun 17, 2025 (view filing)May 3117 daysLateZagorski MarkChief Executive OfficerPPurchase+1.14K$11.68+$13.3K+0.3%439.2K after
Dec 17, 2024 (view filing)Nov 3017 daysLateZagorski MarkChief Executive OfficerPPurchase+705$15.30+$10.8K+0.2%406.1K after
Jun 18, 2024 (view filing)May 3118 daysLateZagorski MarkChief Executive OfficerPPurchase+712$15.47+$11.0K+0.2%383.3K after
Dec 21, 2023 (view filing)Nov 3021 daysLateZagorski MarkChief Executive OfficerPPurchase+389$28.22+$11.0K+0.1%365.0K after
Sep 21, 2023 (view filing)Sep 192 daysZagorski MarkChief Executive OfficerPPurchase+1.76K$28.36+$50.1K+0.5%357.1K after
Mar 31, 2022 (view filing)Mar 29-302 daysZagorski MarkChief Executive OfficerPPurchase+19.8K$25.64+$508.8K+6.8%310.4K after2 lots