FIVE9 INC

Ticker: FIVN CUSIP: 338307101 Class: Common Stock

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

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

Q4 2025

Shares 344 Value ($000) $7 Avg Close $21.23 Range $17.71 - $24.96

Q3 2025

Shares 554 Value ($000) $13 Avg Close $26.44 Range $23.68 - $29.71

Q2 2025

Shares 404 Value ($000) $11 Avg Close $26.02 Range $21.04 - $30.38

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	344	$7	$21.23	$17.71 - $24.96
Q3 2025	554	$13	$26.44	$23.68 - $29.71
Q2 2025	404	$11	$26.02	$21.04 - $30.38