GRIMMIG ANDREW E (Chief Legal Officer) exercised options at DOUBLEVERIFY HOLDINGS, INC.

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

M · 6 exercises

GRIMMIG ANDREW E

Filed: 9/17/2026ACC: 0001819928-26-000095

InsiderGRIMMIG ANDREW ECIK 1854079

→

IssuerDOUBLEVERIFY HOLDINGS, INC.CIK 1819928

Officer· Chief Legal Officer

Since Apr 2021

-12.19K

Net shares

Net seller

$164.6K

Total sold

Open market trades

0B · 0S

Total transactions

27.03K acquired · 39.22K disposed

Non-Derivative Transactions12

Common Stock

Direct

M · Option Exercise

+12.19K

Price / share

—

Trade value

—

% of position

7.2%

9/15/2026

169.72K→181.91K

Common Stock

Direct

F · Tax Withholding

−5.50K

Price / share

$13.50

Trade value

$74.21K

% of position

3.0%

9/15/2026

181.91K→176.41K

Common Stock

Direct

M · Option Exercise

+4.04K

Price / share

—

Trade value

—

% of position

2.3%

9/15/2026

176.41K→180.45K

Common Stock

Direct

F · Tax Withholding

−1.82K

Price / share

$13.50

Trade value

$24.61K

% of position

1.0%

9/15/2026

180.45K→178.63K

Common Stock

Direct

M · Option Exercise

+5.07K

Price / share

—

Trade value

—

% of position

2.8%

9/15/2026

178.63K→183.70K

Common Stock

Direct

F · Tax Withholding

−2.29K

Price / share

$13.50

Trade value

$30.89K

% of position

1.2%

9/15/2026

183.70K→181.41K

Common Stock

Direct

M · Option Exercise

+843.00

Price / share

—

Trade value

—

% of position

0.5%

9/15/2026

181.41K→182.25K

Common Stock

Direct

F · Tax Withholding

−381.00

Price / share

$13.50

Trade value

$5.14K

% of position

0.2%

9/15/2026

182.25K→181.87K

Common Stock

Direct

M · Option Exercise

+2.38K

Price / share

—

Trade value

—

% of position

1.3%

9/15/2026

181.87K→184.26K

Common Stock

Direct

F · Tax Withholding

−1.08K

Price / share

$13.50

Trade value

$14.53K

% of position

0.6%

9/15/2026

184.26K→183.18K

Common Stock

Direct

M · Option Exercise

+2.50K

Price / share

—

Trade value

—

% of position

1.4%

9/15/2026

183.18K→185.68K

Common Stock

Direct

F · Tax Withholding

−1.13K

Price / share

$13.50

Trade value

$15.23K

% of position

0.6%

9/15/2026

185.68K→184.55K

Total

Net shares

+14.84K

Net value

-$164.61K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/15/2026	M · Option Exercise	+12.19K	—	—	7.2%	169.72K	181.91K
Common Stock Direct	9/15/2026	F · Tax Withholding	−5.50K	$13.50	$74.21K	3.0%	181.91K	176.41K
Common Stock Direct	9/15/2026	M · Option Exercise	+4.04K	—	—	2.3%	176.41K	180.45K
Common Stock Direct	9/15/2026	F · Tax Withholding	−1.82K	$13.50	$24.61K	1.0%	180.45K	178.63K
Common Stock Direct	9/15/2026	M · Option Exercise	+5.07K	—	—	2.8%	178.63K	183.70K
Common Stock Direct	9/15/2026	F · Tax Withholding	−2.29K	$13.50	$30.89K	1.2%	183.70K	181.41K
Common Stock Direct	9/15/2026	M · Option Exercise	+843.00	—	—	0.5%	181.41K	182.25K
Common Stock Direct	9/15/2026	F · Tax Withholding	−381.00	$13.50	$5.14K	0.2%	182.25K	181.87K
Common Stock Direct	9/15/2026	M · Option Exercise	+2.38K	—	—	1.3%	181.87K	184.26K
Common Stock Direct	9/15/2026	F · Tax Withholding	−1.08K	$13.50	$14.53K	0.6%	184.26K	183.18K
Common Stock Direct	9/15/2026	M · Option Exercise	+2.50K	—	—	1.4%	183.18K	185.68K
Common Stock Direct	9/15/2026	F · Tax Withholding	−1.13K	$13.50	$15.23K	0.6%	185.68K	184.55K
Total			+14.84K		-$164.61K

Derivative Transactions6

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

12.19K shares

−12.19K

Strike price

Held after

109.68K

Exercisable

—

9/15/2026

Performance Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

4.04K shares

−4.04K

Strike price

Held after

20.20K

Exercisable

—

9/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

5.07K shares

−5.07K

Strike price

Held after

45.66K

Exercisable

—

9/15/2026

Performance Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

843.00 shares

−843.00

Strike price

Held after

843.00

Exercisable

—

9/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.38K shares

−2.38K

Strike price

Held after

11.92K

Exercisable

—

9/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.50K shares

−2.50K

Strike price

Held after

2.50K

Exercisable

—

9/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock12.19K shares	9/15/2026	M · Option Exercise	−12.19K	—	109.68K
Performance Stock Units Direct	Common Stock4.04K shares	9/15/2026	M · Option Exercise	−4.04K	—	20.20K
Restricted Stock Units Direct	Common Stock5.07K shares	9/15/2026	M · Option Exercise	−5.07K	—	45.66K
Performance Stock Units Direct	Common Stock843.00 shares	9/15/2026	M · Option Exercise	−843.00	—	843.00
Restricted Stock Units Direct	Common Stock2.38K shares	9/15/2026	M · Option Exercise	−2.38K	—	11.92K
Restricted Stock Units Direct	Common Stock2.50K shares	9/15/2026	M · Option Exercise	−2.50K	—	2.50K