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: 3/16/2026ACC: 0001819928-26-000038

InsiderGRIMMIG ANDREW ECIK 1854079

→

IssuerDOUBLEVERIFY HOLDINGS, INC.CIK 1819928

Officer· Chief Legal Officer

Since Apr 2021

+146.25K

Net shares

Net buyer

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

189.44K acquired · 43.19K disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+12.19K

Price / share

—

Trade value

—

% of position

12.3%

3/15/2026

99.50K→111.69K

Common Stock

Direct

M · Option Exercise

+20.20K

Price / share

—

Trade value

—

% of position

18.1%

3/15/2026

111.69K→131.89K

Common Stock

Direct

M · Option Exercise

+5.07K

Price / share

—

Trade value

—

% of position

3.8%

3/15/2026

131.89K→136.96K

Common Stock

Direct

M · Option Exercise

+842.00

Price / share

—

Trade value

—

% of position

0.6%

3/15/2026

136.96K→137.81K

Common Stock

Direct

M · Option Exercise

+2.38K

Price / share

—

Trade value

—

% of position

1.7%

3/15/2026

137.81K→140.19K

Common Stock

Direct

M · Option Exercise

+2.50K

Price / share

—

Trade value

—

% of position

1.8%

3/15/2026

140.19K→142.69K

Total

Net shares

+43.19K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	3/15/2026	M · Option Exercise	+12.19K	—	—	12.3%	99.50K	111.69K
Common Stock Direct	3/15/2026	M · Option Exercise	+20.20K	—	—	18.1%	111.69K	131.89K
Common Stock Direct	3/15/2026	M · Option Exercise	+5.07K	—	—	3.8%	131.89K	136.96K
Common Stock Direct	3/15/2026	M · Option Exercise	+842.00	—	—	0.6%	136.96K	137.81K
Common Stock Direct	3/15/2026	M · Option Exercise	+2.38K	—	—	1.7%	137.81K	140.19K
Common Stock Direct	3/15/2026	M · Option Exercise	+2.50K	—	—	1.8%	140.19K	142.69K
Total			+43.19K		$0.00

Derivative Transactions7

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

146.25K shares

+146.25K

Strike price

Held after

146.25K

Exercisable

—

3/12/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

12.19K shares

−12.19K

Strike price

Held after

134.06K

Exercisable

—

3/15/2026

Performance Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

20.20K shares

−20.20K

Strike price

Held after

28.28K

Exercisable

—

3/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

5.07K shares

−5.07K

Strike price

Held after

55.80K

Exercisable

—

3/15/2026

Performance Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

842.00 shares

−842.00

Strike price

Held after

2.53K

Exercisable

—

3/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.38K shares

−2.38K

Strike price

Held after

16.68K

Exercisable

—

3/15/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.50K shares

−2.50K

Strike price

Held after

7.50K

Exercisable

—

3/15/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock146.25K shares	3/12/2026	A · Award	+146.25K	—	146.25K
Restricted Stock Units Direct	Common Stock12.19K shares	3/15/2026	M · Option Exercise	−12.19K	—	134.06K
Performance Stock Units Direct	Common Stock20.20K shares	3/15/2026	M · Option Exercise	−20.20K	—	28.28K
Restricted Stock Units Direct	Common Stock5.07K shares	3/15/2026	M · Option Exercise	−5.07K	—	55.80K
Performance Stock Units Direct	Common Stock842.00 shares	3/15/2026	M · Option Exercise	−842.00	—	2.53K
Restricted Stock Units Direct	Common Stock2.38K shares	3/15/2026	M · Option Exercise	−2.38K	—	16.68K
Restricted Stock Units Direct	Common Stock2.50K shares	3/15/2026	M · Option Exercise	−2.50K	—	7.50K