FALSE000170968200017096822021-11-152021-11-150001709682us-gaap:CommonStockMember2021-11-152021-11-150001709682nsco:RedeemableWarrantsMember2021-11-152021-11-15

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549  
Form 8-K   
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event Reported): November 15, 2021
CUSTOM TRUCK ONE SOURCE, INC.
(Exact Name of Registrant as Specified in its Charter)
Delaware 001-38186 84-2531628
(State or Other Jurisdiction
of Incorporation)
 (Commission
File Number)
 (IRS Employer
Identification No.)
 
7701 Independence Avenue
Kansas City, Missouri
64125
(Address of principal executive offices)(Zip code)
(816) 241-4888
(Registrant’s telephone number, including area code)
Not Applicable
(Former Name or Former Address, if Changed Since Last Report) 
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17CFR 240.14a-12) 
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) 
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) 
Securities registered pursuant to Section 12(b) of the Act:
Title of Each ClassTrading Symbol(s)Name of Exchange on Which Registered
Common Stock, $0.0001 par valueCTOSNew York Stock Exchange
Redeemable warrants, exercisable for Common Stock, $0.0001 par valueCTOS.WSNew York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). 
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐



Item 9.01. Financial Statements and Exhibits.
(b)     Pro Forma Financial Information
As previously reported, on April 1, 2021, Custom Truck One Source, Inc. (formerly Nesco Holdings, Inc.) (the “Company”) completed its acquisition (the “Acquisition”) of 100% of the partnership interests of Custom Truck One Source, L.P. (“Custom Truck LP”). The Company is now providing the unaudited pro forma condensed combined statement of operations for the nine months ended September 30, 2021, and the notes to unaudited pro forma condensed combined financial information, all giving effect to the Acquisition, filed herewith as Exhibit 99.1.
(d)    Exhibits.
Exhibit No.Description
99.1
104Cover Page Interactive Data File (embedded within the Inline XBRL document and contained in Exhibit 101)



SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date:November 15, 2021Custom Truck One Source, Inc.
   
/s/ Bradley Meader
  Bradley Meader
Chief Financial Officer