# EDGAR Filing Document

**Accession Number:** 0001709682
**File Stem:** 0001709682-25-000025
**Filing Date:** 2025-6
**Character Count:** 5738
**Document Hash:** 262cd4d68b88104538d8aa2b8985cf3d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001709682-25-000025.hdr.sgml**: 20250612

**ACCESSION NUMBER**: 0001709682-25-000025

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20250612

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20250612

**DATE AS OF CHANGE**: 20250612

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Custom Truck One Source, Inc.
- **CENTRAL INDEX KEY:** 0001709682
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-EQUIPMENT RENTAL & LEASING, NEC [7359]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38186
- **FILM NUMBER:** 251043298

**BUSINESS ADDRESS:**
- **STREET 1:** 7701 INDEPENDENCE AVENUE
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64125
- **BUSINESS PHONE:** (816) 241-4888

**MAIL ADDRESS:**
- **STREET 1:** 7701 INDEPENDENCE AVENUE
- **CITY:** KANSAS CITY
- **STATE:** MO
- **ZIP:** 64125

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NESCO HOLDINGS, INC.
- **DATE OF NAME CHANGE:** 20190730

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Capitol Investment Corp. IV
- **DATE OF NAME CHANGE:** 20170619

?xml version='1.0' encoding='ASCII'? ctos-20250612

**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): **June 12, 2025** 

**CUSTOM TRUCK ONE SOURCE, INC.**

(Exact Name of Registrant as Specified in its Charter)

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| | | | |
|:---|:---|:---|:---|
| **Delaware** | **001-38186** | **001-38186** | **84-2531628** |
| (State or other jurisdiction<br>of incorporation) | (Commission<br>File Number) | (Commission<br>File Number) | (IRS Employer<br>Identification No.) |
| **7701 Independence Avenue**<br>**Kansas City, Missouri** | **7701 Independence Avenue**<br>**Kansas City, Missouri** | **64125** | **64125** |
| (Address of principal executive offices) | (Address of principal executive offices) | (Zip Code) | (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 (17 CFR 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:

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| | | |
|:---|:---|:---|
| Title of Each Class | Trading Symbol(s) | Name of Each Exchange on Which Registered |
| Common Stock, $0.0001 par value | CTOS | New York Stock Exchange |

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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. ☐

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**Item 5.07. Submission of Matters to a Vote of Security Holders.**

On June 12, 2025, the Company held an annual meeting of stockholders to vote on the following proposals, as described in more detail in the Company's Proxy Statement:

*Proposal One*: To elect four Class C directors to serve until the 2028 annual meeting of stockholders and until their successors are duly elected and qualified. In accordance with the voting results listed below, each of the nominees was elected as a Class C director.

---

| | | | |
|:---|:---|:---|:---|
| **Nominee** | **For** | **Withheld** | **Broker Non-Votes** |
| Fred Ross | 174693602 | 22674449 | 12495142 |
| Georgia Nelson | 175482751 | 21885300 | 12495142 |
| Mary Jackson | 175493807 | 21874244 | 12495142 |
| Ryan McMonagle | 175984814 | 21383237 | 12495142 |

---

*Proposal Two*: To ratify the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for fiscal year ending December 31, 2025. In accordance with the voting results listed below, the appointment of Ernst & Young LLP was ratified by stockholders.

---

| | | |
|:---|:---|:---|
| **For** | **Against** | **Abstain** |
| 209,310,495 | 65,654 | 487,044 |

---

**Item 9.01. Financial Statements and Exhibits.**

(d)&nbsp;&nbsp;&nbsp;&nbsp;Exhibits.

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| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| 104 | Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) |

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**SIGNATURES**

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.

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| | | |
|:---|:---|:---|
| Date: | June 12, 2025 | Custom Truck One Source, Inc. |
| | | /s/ Christopher J. Eperjesy |
| | | Christopher J. Eperjesy<br>Chief Financial Officer |

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