MOUGIS STEVEN JOHN (Global Chief Comm. Officer) exercised options at DOUBLEVERIFY HOLDINGS, INC.

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

M · 7 exercises

MOUGIS STEVEN JOHN

Filed: 6/17/2026ACC: 0001819928-26-000087

InsiderMOUGIS STEVEN JOHNCIK 2104368

→

IssuerDOUBLEVERIFY HOLDINGS, INC.CIK 1819928

Officer· Global Chief Comm. Officer

Since Mar 2026

-16.95K

Net shares

Net seller

$173.7K

Total sold

Open market trades

0B · 0S

Total transactions

43.96K acquired · 60.91K disposed

Non-Derivative Transactions14

Common Stock

Direct

M · Option Exercise

+9.38K

Price / share

—

Trade value

—

% of position

13.8%

6/15/2026

68.14K→77.52K

Common Stock

Direct

F · Tax Withholding

−4.47K

Price / share

$10.25

Trade value

$45.86K

% of position

5.8%

6/15/2026

77.52K→73.05K

Common Stock

Direct

M · Option Exercise

+842.00

Price / share

—

Trade value

—

% of position

1.2%

6/15/2026

73.05K→73.89K

Common Stock

Direct

F · Tax Withholding

−304.00

Price / share

$10.25

Trade value

$3.12K

% of position

0.4%

6/15/2026

73.89K→73.58K

Common Stock

Direct

M · Option Exercise

+3.17K

Price / share

—

Trade value

—

% of position

4.3%

6/15/2026

73.58K→76.75K

Common Stock

Direct

F · Tax Withholding

−1.14K

Price / share

$10.25

Trade value

$11.73K

% of position

1.5%

6/15/2026

76.75K→75.61K

Common Stock

Direct

M · Option Exercise

+27.06K

Price / share

—

Trade value

—

% of position

35.8%

6/15/2026

75.61K→102.67K

Common Stock

Direct

F · Tax Withholding

−9.75K

Price / share

$10.25

Trade value

$99.98K

% of position

9.5%

6/15/2026

102.67K→92.91K

Common Stock

Direct

M · Option Exercise

+250.00

Price / share

—

Trade value

—

% of position

0.3%

6/15/2026

92.91K→93.16K

Common Stock

Direct

F · Tax Withholding

−91.00

Price / share

$10.25

Trade value

$932.75

% of position

0.1%

6/15/2026

93.16K→93.07K

Common Stock

Direct

M · Option Exercise

+2.13K

Price / share

—

Trade value

—

% of position

2.3%

6/15/2026

93.07K→95.20K

Common Stock

Direct

F · Tax Withholding

−767.00

Price / share

$10.25

Trade value

$7.86K

% of position

0.8%

6/15/2026

95.20K→94.43K

Common Stock

Direct

M · Option Exercise

+1.14K

Price / share

—

Trade value

—

% of position

1.2%

6/15/2026

94.43K→95.57K

Common Stock

Direct

F · Tax Withholding

−413.00

Price / share

$10.25

Trade value

$4.23K

% of position

0.4%

6/15/2026

95.57K→95.16K

Total

Net shares

+27.02K

Net value

-$173.71K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	6/15/2026	M · Option Exercise	+9.38K	—	—	13.8%	68.14K	77.52K
Common Stock Direct	6/15/2026	F · Tax Withholding	−4.47K	$10.25	$45.86K	5.8%	77.52K	73.05K
Common Stock Direct	6/15/2026	M · Option Exercise	+842.00	—	—	1.2%	73.05K	73.89K
Common Stock Direct	6/15/2026	F · Tax Withholding	−304.00	$10.25	$3.12K	0.4%	73.89K	73.58K
Common Stock Direct	6/15/2026	M · Option Exercise	+3.17K	—	—	4.3%	73.58K	76.75K
Common Stock Direct	6/15/2026	F · Tax Withholding	−1.14K	$10.25	$11.73K	1.5%	76.75K	75.61K
Common Stock Direct	6/15/2026	M · Option Exercise	+27.06K	—	—	35.8%	75.61K	102.67K
Common Stock Direct	6/15/2026	F · Tax Withholding	−9.75K	$10.25	$99.98K	9.5%	102.67K	92.91K
Common Stock Direct	6/15/2026	M · Option Exercise	+250.00	—	—	0.3%	92.91K	93.16K
Common Stock Direct	6/15/2026	F · Tax Withholding	−91.00	$10.25	$932.75	0.1%	93.16K	93.07K
Common Stock Direct	6/15/2026	M · Option Exercise	+2.13K	—	—	2.3%	93.07K	95.20K
Common Stock Direct	6/15/2026	F · Tax Withholding	−767.00	$10.25	$7.86K	0.8%	95.20K	94.43K
Common Stock Direct	6/15/2026	M · Option Exercise	+1.14K	—	—	1.2%	94.43K	95.57K
Common Stock Direct	6/15/2026	F · Tax Withholding	−413.00	$10.25	$4.23K	0.4%	95.57K	95.16K
Total			+27.02K		-$173.71K

Derivative Transactions7

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

9.38K shares

−9.38K

Strike price

Held after

93.75K

Exercisable

—

6/15/2026

Performance Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

842.00 shares

−842.00

Strike price

Held after

5.05K

Exercisable

—

6/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

3.17K shares

−3.17K

Strike price

Held after

34.88K

Exercisable

—

6/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

27.06K shares

−27.06K

Strike price

Held after

81.17K

Exercisable

—

6/15/2026

Performance Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

250.00 shares

−250.00

Strike price

Held after

502.00

Exercisable

—

6/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.13K shares

−2.13K

Strike price

Held after

14.87K

Exercisable

—

6/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.14K shares

−1.14K

Strike price

Held after

3.43K

Exercisable

—

6/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock9.38K shares	6/15/2026	M · Option Exercise	−9.38K	—	93.75K
Performance Stock Units Direct	Common Stock842.00 shares	6/15/2026	M · Option Exercise	−842.00	—	5.05K
Restricted Stock Units Direct	Common Stock3.17K shares	6/15/2026	M · Option Exercise	−3.17K	—	34.88K
Restricted Stock Units Direct	Common Stock27.06K shares	6/15/2026	M · Option Exercise	−27.06K	—	81.17K
Performance Stock Units Direct	Common Stock250.00 shares	6/15/2026	M · Option Exercise	−250.00	—	502.00
Restricted Stock Units Direct	Common Stock2.13K shares	6/15/2026	M · Option Exercise	−2.13K	—	14.87K
Restricted Stock Units Direct	Common Stock1.14K shares	6/15/2026	M · Option Exercise	−1.14K	—	3.43K