Mark Zagorski

Mark Zagorski serves as Chief Executive Officer at DoubleVerify Holdings, Inc. (DV). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

6 trades

$605.0K

Total Sells

5 trades

$1.02M

Net Position

Net Seller

$417.7K

Companies Traded

Active Period

Mar 2022 – Dec 2025

11 total trades

Most Recent

Sell DV

Dec 31, 2025 · $85.3K

Mark Zagorski's Insider Trading at DoubleVerify Holdings, Inc. (DV)

Buys

6 · $605.0K

Sells

5 · $1.02M

Total Shares Bought

24,558

Total Shares Sold

78,620

DV Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Dec 31, 2025	Sell	7,453	$11.44	$85.3K	0
Nov 30, 2025	Sell	17,836	$10.83	$193.2K	0
Sep 15, 2025	Sell	17,836	$13.01	$232.0K	0
Jun 15, 2025	Buy	1,141	$11.68	$13.3K	0
Jun 15, 2025	Sell	17,836	$14.50	$258.6K	0
Mar 13, 2025	Sell	17,659	$14.36	$253.6K	0
Dec 17, 2024	Buy	705	$15.30	$10.8K	406,090
Jun 18, 2024	Buy	712	$15.47	$11.0K	383,317
Dec 21, 2023	Buy	389	$28.22	$11.0K	365,049
Sep 21, 2023	Buy	1,765	$28.36	$50.1K	357,112
Mar 31, 2022	Buy	19,846	$25.64	$508.8K	310,422