---
schema_version: "secwatch.filing_event.v1"
accession: "0001709682-22-000044"
form_type: "8-K"
ticker: "CTOS"
cik: "0001709682"
company_name: "Custom Truck One Source, Inc."
filed_at: "2022-04-11T23:59:59+00:00"
generated_at: "2026-06-26T08:15:35.438472+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Custom Truck One Source appoints Vice Admiral Mary Jackson to Board of Directors

## Summary
- Appointed as Class C Director effective April 8, 2022, to serve until 2022 annual meeting.
- Appointed to Audit and Compensation Committees; Board determined independent under NYSE/SEC rules.
- Former U.S. Navy Vice Admiral with logistics and supply-chain expertise cited by Chairman.
- Company entered standard indemnification agreement; director fees per prior proxy (June 2021).

## SEC filing metadata
- accession: 0001709682-22-000044
- form_type: 8-K
- ticker: CTOS
- cik: 0001709682
- company_name: Custom Truck One Source, Inc.
- filed_at: 2022-04-11T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1709682/000170968222000044/0001709682-22-000044-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1709682/000170968222000044/nsco-20220411.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001709682-22-000044
- JSON: https://secwatch.observer/filing/0001709682-22-000044.json
- Plain text: https://secwatch.observer/filing/0001709682-22-000044.txt

## Key facts
- Executive change
  Mary M. Jackson was appointed as Class C Director at Custom Truck One Source, Inc..
  - Action: appointed
  - Role: Class C Director
  source text: appointed Mary M. Jackson to the Board as a Class C Director
  evidence_url: https://www.sec.gov/Archives/edgar/data/1709682/000170968222000044/0001709682-22-000044-index.htm

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