CUSTOM TRUCK ONE SOURCE INC

Ticker: CTOS CUSIP: 23204X103 Class: Common Stock

ACK Asset Management LLC's Holding History (CIK: 0001510940)

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

Q4 2025

Shares 800,136 Value ($000) $4,609 Avg Close $6.10 Range $5.18 - $6.78

Q3 2025

Shares 1,925,000 Value ($000) $12,359 Avg Close $5.79 Range $4.84 - $6.64

Q2 2025

Shares 1,875,000 Value ($000) $9,263 Avg Close $4.31 Range $3.18 - $5.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	800,136	$4,609	$6.10	$5.18 - $6.78
Q3 2025	1,925,000	$12,359	$5.79	$4.84 - $6.64
Q2 2025	1,875,000	$9,263	$4.31	$3.18 - $5.14