ZAGORSKI MARK

PrivateCIK: 1709574
Location

NEW YORK, NY

ZAGORSKI MARK (Chief Executive Officer) exercised options at DOUBLEVERIFY HOLDINGS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 5 exercises
InsiderZAGORSKI MARKCIK 1709574
DirectorOfficer· Chief Executive Officer
Since Apr 2021
+208.45K
Net shares
Net buyer
$583.7K
Total sold
0
Open market trades
0B · 0S
17
Total transactions
384.31K acquired · 175.85K disposed
Non-Derivative Transactions10

Common Stock

Direct
M · Option Exercise

Shares

+22.92K

Price / share

Trade value

% of position

4.7%
3/15/2026
488.59K511.50K

Common Stock

Direct
F · Tax Withholding

Shares

12.68K

Price / share

$10.21

Trade value

$129.41K

% of position

2.5%
3/15/2026
511.50K498.83K

Common Stock

Direct
M · Option Exercise

Shares

+60.61K

Price / share

Trade value

% of position

12.2%
3/15/2026
498.83K559.44K

Common Stock

Direct
F · Tax Withholding

Shares

33.52K

Price / share

$10.21

Trade value

$342.21K

% of position

6.0%
3/15/2026
559.44K525.92K

Common Stock

Direct
M · Option Exercise

Shares

+15.22K

Price / share

Trade value

% of position

2.9%
3/15/2026
525.92K541.14K

Common Stock

Direct
F · Tax Withholding

Shares

6.72K

Price / share

$10.21

Trade value

$68.65K

% of position

1.2%
3/15/2026
541.14K534.42K

Common Stock

Direct
M · Option Exercise

Shares

+2.76K

Price / share

Trade value

% of position

0.5%
3/15/2026
534.42K537.17K

Common Stock

Direct
F · Tax Withholding

Shares

1.11K

Price / share

$10.21

Trade value

$11.35K

% of position

0.2%
3/15/2026
537.17K536.06K

Common Stock

Direct
M · Option Exercise

Shares

+7.80K

Price / share

Trade value

% of position

1.5%
3/15/2026
536.06K543.86K

Common Stock

Direct
F · Tax Withholding

Shares

3.15K

Price / share

$10.21

Trade value

$32.11K

% of position

0.6%
3/15/2026
543.86K540.72K
Total

Net shares

+52.13K

Net value

-$583.74K

Derivative Transactions7

Restricted Stock Units

Direct
A · Award
Converts to

Common Stock

275K shares

Shares

+275K

Strike price

Held after

275K

Exercisable

3/12/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

22.92K shares

Shares

22.92K

Strike price

Held after

252.08K

Exercisable

3/15/2026

Performance Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

60.61K shares

Shares

60.61K

Strike price

Held after

84.85K

Exercisable

3/15/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

15.22K shares

Shares

15.22K

Strike price

Held after

167.41K

Exercisable

3/15/2026

Performance Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

2.76K shares

Shares

2.76K

Strike price

Held after

8.27K

Exercisable

3/15/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

7.80K shares

Shares

7.80K

Strike price

Held after

54.61K

Exercisable

3/15/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

9.38K shares

Shares

9.38K

Strike price

Held after

28.13K

Exercisable

3/15/2026
ZAGORSKI MARK — Insider Transaction (Form 4) Filed Mar 16, 2026 | Finecho