CUSTOM TRUCK ONE SOURCE INC

Ticker: CTOS CUSIP: 23204X103 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025

Shares 414,441 Value ($000) $2,387 Avg Close $6.10 Range $5.18 - $6.78

Q3 2025

Shares 281,716 Value ($000) $1,809 Avg Close $5.79 Range $4.84 - $6.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	414,441	$2,387	$6.10	$5.18 - $6.78
Q3 2025	281,716	$1,809	$5.79	$4.84 - $6.64