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 $134.4K. 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
$134.4K
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
5/19/2026
0.0012.50K

Class B Common Stock

Indirect
D · Disposition

Shares

12.50K

Price / share

Trade value

% of position

0.1%
5/19/2026
9.11M9.09M

Class A Common Stock

Indirect
S · Sale

Shares

5K

Price / share

$10.89

Trade value

$54.44K

% of position

40.0%
5/19/2026
12.50K7.50K

Class A Common Stock

Indirect
S · Sale

Shares

5K

Price / share

$10.60

Trade value

$52.98K

% of position

66.7%
5/20/2026
7.50K2.50K

Class A Common Stock

Indirect
S · Sale

Shares

2.50K

Price / share

$10.79

Trade value

$26.97K

% of position

New position
5/21/2026
2.50K0.00
Total

Net shares

12.50K

Net value

-$134.39K

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

9.09M

Exercisable

5/19/2026
VANDERHOOK CHRISTOPHER — Insider Transaction (Form 4) Filed May 22, 2026 | Finecho