CUSTOM TRUCK ONE SOURCE INC

Ticker: CTOS CUSIP: 23204X103 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 4,312,778 Value ($000) $24,842 Avg Close $6.10 Range $5.18 - $6.78

Q3 2025

Shares 4,237,698 Value ($000) $27,206 Avg Close $5.79 Range $4.84 - $6.64

Q2 2025

Shares 4,185,331 Value ($000) $20,676 Avg Close $4.31 Range $3.18 - $5.14

Q1 2025

Shares 3,658,252 Value ($000) $15,438 Avg Close $4.83 Range $3.88 - $5.48

Q4 2024

Shares 3,684,157 Value ($000) $17,721 Avg Close $4.52 Range $3.03 - $6.11

Q3 2024

Shares 3,802,300 Value ($000) $13,118 Avg Close $4.20 Range $3.26 - $5.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,312,778	$24,842	$6.10	$5.18 - $6.78
Q3 2025	4,237,698	$27,206	$5.79	$4.84 - $6.64
Q2 2025	4,185,331	$20,676	$4.31	$3.18 - $5.14
Q1 2025	3,658,252	$15,438	$4.83	$3.88 - $5.48
Q4 2024	3,684,157	$17,721	$4.52	$3.03 - $6.11
Q3 2024	3,802,300	$13,118	$4.20	$3.26 - $5.33