VANDERHOOK CHRISTOPHER

PrivateCIK: 1843104
Location

IRVINE, CA

VANDERHOOK CHRISTOPHER (Chief Operating Officer) sold 12.92K shares of VIANT TECHNOLOGY INC. on the open market

Open‑market sale worth $152.3K. 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
-25.42K
Net shares
Net seller
$152.3K
Total sold
3
Open market trades
0B · 3S
6
Total transactions
12.50K acquired · 37.92K disposed
Non-Derivative Transactions5

Class A Common Stock

Indirect
M · Option Exercise

Shares

+12.50K

Price / share

Trade value

% of position

2976.2%
3/17/2026
420.0012.92K

Class B Common Stock

Indirect
D · Disposition

Shares

12.50K

Price / share

Trade value

% of position

0.1%
3/17/2026
9.13M9.12M

Class A Common Stock

Indirect
S · Sale

Shares

5K

Price / share

$11.80

Trade value

$58.98K

% of position

38.7%
3/17/2026
12.92K7.92K

Class A Common Stock

Indirect
S · Sale

Shares

5K

Price / share

$12.00

Trade value

$59.99K

% of position

63.1%
3/18/2026
7.92K2.92K

Class A Common Stock

Indirect
S · Sale

Shares

2.92K

Price / share

$11.42

Trade value

$33.35K

% of position

New position
3/19/2026
2.92K0.00
Total

Net shares

12.92K

Net value

-$152.33K

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

9.12M

Exercisable

3/17/2026
VANDERHOOK CHRISTOPHER — Insider Transaction (Form 4) Filed Mar 19, 2026 | Finecho