CUSTOM TRUCK ONE SOURCE INC

Ticker: CTOS CUSIP: 23204X103 Class: Common Stock

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

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

Q4 2025

Shares 346 Value ($000) $2 Avg Close $6.10 Range $5.18 - $6.78

Q3 2025

Shares 952 Value ($000) $6 Avg Close $5.79 Range $4.84 - $6.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	346	$2	$6.10	$5.18 - $6.78
Q3 2025	952	$6	$5.79	$4.84 - $6.64