VIANT TECHNOLOGY INC

Ticker: DSP CUSIP: 92557A101 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 272 Value ($000) $3 Avg Close $9.99 Range $8.11 - $12.48

Q3 2025

Shares 272 Value ($000) $2 Avg Close $11.41 Range $8.25 - $15.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	272	$3	$9.99	$8.11 - $12.48
Q3 2025	272	$2	$11.41	$8.25 - $15.18