---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-22-078238"
form_type: "8-K"
ticker: "CTOS"
cik: "0001709682"
company_name: "Custom Truck One Source, Inc."
filed_at: "2022-12-07T23:59:59+00:00"
generated_at: "2026-06-21T08:12:27.699087+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Custom Truck One Source appoints Ryan McMonagle CEO, Fred Ross to Founder role

## Summary
- Fred Ross to retire as CEO effective March 20, 2023; will continue as Founder and Board member.
- Ryan McMonagle, current President & COO, appointed CEO effective March 20, 2023.
- McMonagle employment agreement: base salary $850,000, annual bonus target 50% of base, initial 5-year term.
- Ross employment agreement as Founder: base salary $800,000, annual bonus target 50% of base, one-year term.
- Succession part of Board's planned transition; McMonagle joined CTOS in 2015 as CFO.

## SEC filing metadata
- accession: 0001213900-22-078238
- form_type: 8-K
- ticker: CTOS
- cik: 0001709682
- company_name: Custom Truck One Source, Inc.
- filed_at: 2022-12-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1709682/000121390022078238/0001213900-22-078238-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1709682/000121390022078238/ea169755-8k_customtruck.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-22-078238
- JSON: https://secwatch.observer/filing/0001213900-22-078238.json
- Plain text: https://secwatch.observer/filing/0001213900-22-078238.txt

## Key facts
- Executive change
  Fred Ross changed role as Chief Executive Officer at Custom Truck One Source, Inc..
  - Action: retiring
  - Role: Chief Executive Officer
  source text: Mr. McMonagle succeeds Fred Ross, the Company’s Chief Executive Officer, who notified the Board on December 7, 2022 that he would be retiring as Chief Executive Officer, effective March 20, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1709682/000121390022078238/0001213900-22-078238-index.htm
- Executive change
  Ryan McMonagle was appointed as Chief Executive Officer at Custom Truck One Source, Inc..
  - Action: appointed
  - Role: Chief Executive Officer
  source text: On December 7, 2022, the Board of Directors (the “Board”) of Custom Truck One Source, Inc. (the “Company”) appointed Ryan McMonagle as Chief Executive Officer, effective March 20, 2023, as part of the Board’s succession plan.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1709682/000121390022078238/0001213900-22-078238-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.