Custom Truck One Source, Inc. — Director's Dealing 2022

May 18, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Custom Truck One Source, Inc. (CTOS)
CIK: 0001709682
Period of Report: 2022-05-16

Reporting Person: EIN MARK (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-05-16	Common Stock	P	50000	$5.7934	Acquired	1415534	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5706286	Indirect

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.75 to $5.80. The reporting person undertakes to provide Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.