CONSENSUS CLOUD SOLUTIONS IN

Ticker: CCSI CUSIP: 20848V105 Class: Common Stock

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

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

Q4 2025

Shares 158 Value ($000) $3 Avg Close $24.62 Range $20.20 - $30.00

Q3 2025

Shares 158 Value ($000) $5 Avg Close $24.79 Range $19.42 - $30.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	158	$3	$24.62	$20.20 - $30.00
Q3 2025	158	$5	$24.79	$19.42 - $30.07