VANDERHOOK CHRISTOPHER

PrivateCIK: 1843104
Location

IRVINE, CA

VANDERHOOK CHRISTOPHER (Chief Operating Officer) sold 12.50K shares of VIANT TECHNOLOGY INC. on the open market

Open‑market sale worth $138.7K. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderVANDERHOOK CHRISTOPHERCIK 1843104
IssuerVIANT TECHNOLOGY INC.CIK 1828791
DirectorOfficer· Chief Operating Officer
Since Feb 2021
-25K
Net shares
Net seller
$138.7K
Total sold
3
Open market trades
0B · 3S
6
Total transactions
12.50K acquired · 37.50K disposed
Non-Derivative Transactions5

Class A Common Stock

Indirect
M · Option Exercise

Shares

+12.50K

Price / share

Trade value

% of position

New position
6/16/2026
0.0012.50K

Class B Common Stock

Indirect
D · Disposition

Shares

12.50K

Price / share

Trade value

% of position

0.1%
6/16/2026
9.09M9.08M

Class A Common Stock

Indirect
S · Sale

Shares

5K

Price / share

$11.17

Trade value

$55.86K

% of position

40.0%
6/16/2026
12.50K7.50K

Class A Common Stock

Indirect
S · Sale

Shares

5K

Price / share

$11.09

Trade value

$55.44K

% of position

66.7%
6/17/2026
7.50K2.50K

Class A Common Stock

Indirect
S · Sale

Shares

2.50K

Price / share

$10.96

Trade value

$27.41K

% of position

New position
6/18/2026
2.50K0.00
Total

Net shares

12.50K

Net value

-$138.71K

Derivative Transactions1

Class B Units

Indirect
M · Option Exercise
Converts to

Class A Common Stock

12.50K shares

Shares

12.50K

Strike price

Held after

9.08M

Exercisable

6/16/2026
VANDERHOOK CHRISTOPHER — Insider Transaction (Form 4) Filed Jun 18, 2026 | Finecho