---
schema_version: "secwatch.filing_event.v1"
accession: "0001709682-24-000072"
form_type: "8-K"
ticker: "CTOS"
cik: "0001709682"
company_name: "Custom Truck One Source, Inc."
filed_at: "2024-10-30T23:59:59+00:00"
generated_at: "2026-05-30T08:22:30.728360+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# CTOS Q3 net loss $17.4M; cuts full-year revenue and EBITDA guidance

## Summary
- Total revenue $447.2M, up 5.7% sequentially; net loss $17.4M vs loss $24.5M prior quarter.
- Adjusted EBITDA $80.2M, flat sequentially but down 19.9% YoY from $100.2M.
- ERS segment revenue down 8.4% YoY to $150.9M; TES revenue up 12.6% YoY to $259.9M.
- Full-year revenue guidance cut to $1.80-1.89B; Adjusted EBITDA guidance lowered to $340-350M.
- ABL facility upsized to $950M with maturity extended to 2029; OEC on rent up $200M since Q2.

## SEC filing metadata
- accession: 0001709682-24-000072
- form_type: 8-K
- ticker: CTOS
- cik: 0001709682
- company_name: Custom Truck One Source, Inc.
- filed_at: 2024-10-30T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1709682/000170968224000072/0001709682-24-000072-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1709682/000170968224000072/ctos-20241030.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001709682-24-000072
- JSON: https://secwatch.observer/filing/0001709682-24-000072.json
- Plain text: https://secwatch.observer/filing/0001709682-24-000072.txt

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