Mark Zagorski owns 0.40% of DoubleVerify Holdings
616,728 shares as of the September 30, 2026 filing, worth $8.3M at the latest close.
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Free.
The stake
0.40%
worth $8.3M at the latest close
Stake rank
#1,831
by dollar value of the stake
Last sale
None
no sales since 2022
Last buy
506 days ago
May 31, 2025 · $13,327
Mark Zagorski owns 0.40% of DoubleVerify Holdings, Inc.: 616,728 of 154,986,847 shares, worth about $8.3M at the 2026-10-16 close. The stake has moved from 0.16% in 2021 to 0.40% on 2026-09-30, across 0 sales and 6 purchases that moved it since 2016. The last trade that moved it was a discretionary purchase of $13,327 on 2025-05-31.
How the stake is held
as of the Sep 30, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Sep 30, 2026 · Form 4 ↗
HELD DIRECTLY
616,728
100.0%
THE STAKE
616,728
0.40%