Fredrick M. Ross Jr. - Apr 1, 2025 Form 4 Insider Report for Custom Truck One Source, Inc. (CTOS)

Role
Director
Signature
By: /s/ Paul M. Jolas, Attorney-in-fact
Stock symbol
CTOS
Transactions as of
Apr 1, 2025
Transactions value $
-$220,870
Form type
4
Date filed
4/3/2025, 04:15 PM
Previous filing
Jan 3, 2025

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CTOS Common Stock Options Exercise $0 +175K +61.93% $0.00 458K Apr 1, 2025 Direct F1
transaction CTOS Common Stock Tax liability -$221K -52.6K -11.49% $4.20 405K Apr 1, 2025 Direct F2
holding CTOS Common Stock 2M Apr 1, 2025 By Frederick M. Ross, Jr. Holding Company, LLC

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CTOS Restricted Stock Unit Options Exercise $0 -87.5K -100% $0.00 0 Apr 1, 2025 Common Stock 87.5K Direct F1, F3
transaction CTOS Restricted Stock Unit Options Exercise $0 -87.5K -33.33% $0.00 175K Apr 1, 2025 Common Stock 87.5K Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
F2 Shares withheld to satisfy tax obligations arising out of vesting of the Reporting Person's restricted stock units.
F3 The restricted stock units vest in four equal annual installments beginning on April 1, 2022.
F4 The restricted stock units vest in four equal annual installments beginning on April 1, 2024.