Custom Truck One Source, Inc. — Director's Dealing 2023

Aug 2, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Custom Truck One Source, Inc. (CTOS)
CIK: 0001709682
Period of Report: 2023-07-31

Reporting Person: JOLAS PAUL M (EVP, General Counsel & Sec)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-07-31	Restricted Stock Unit	$	A	67500	Acquired		Common Stock (67500)	Direct
2023-07-31	Restricted Stock Unit	$	A	67500	Acquired		Common Stock (67500)	Direct
2023-07-31	Performance Stock Unit	$	A	33750	Acquired		Common Stock (33750)	Direct
2023-07-31	Performance Stock Unit	$	A	33750	Acquired		Common Stock (33750)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2: The restricted stock units will vest in four substantially equal annual installments beginning on April 1, 2024.

F3: The restricted stock units will vest in four substantially equal annual installments beginning on April 1, 2025.

F4: Each performance stock unit represents a contingent right to receive one share of the Issuer's common stock. The performance stock units will vest if the volume-weighted average price per share of the Issuer's common stock achieves certain thresholds over the applicable performance period.

F5: Each performance stock unit represents a contingent right to receive one share of the Issuer's common stock. The performance stock units will vest if the volume-weighted average price per share of the Issuer's common stock achieves certain thresholds over the applicable performance period.