---
schema_version: "secwatch.filing_event.v1"
accession: "0001709682-21-000076"
form_type: "8-K"
ticker: "CTOS"
cik: "0001709682"
company_name: "Custom Truck One Source, Inc."
filed_at: "2021-11-15T23:59:59+00:00"
generated_at: "2026-06-28T08:30:10.752671+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Custom Truck One Source reports pro forma net loss of $87.9M on $1.13B revenue for nine months ending Sep 2021

## Summary
- Pro forma net loss $87.9M ($0.36 diluted EPS loss); combined revenue $1.127B.
- Acquisition of Custom Truck LP closed April 1, 2021; total consideration includes $920M in 5.5% senior secured notes due 2029 and $750M ABL facility.
- Issued 148.6M shares to Platinum for $743M and 28M shares to PIPE investors for $140M.
- Pro forma operating income $9.2M; revenue breakdown: rental $307.9M, equipment sales $728.8M, parts/services $90.5M.
- Transaction and other expenses of $7.7M after adjustment; interest expense net $59.7M.

## SEC filing metadata
- accession: 0001709682-21-000076
- form_type: 8-K
- ticker: CTOS
- cik: 0001709682
- company_name: Custom Truck One Source, Inc.
- filed_at: 2021-11-15T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1709682/000170968221000076/0001709682-21-000076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1709682/000170968221000076/nsco-20211115.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001709682-21-000076
- JSON: https://secwatch.observer/filing/0001709682-21-000076.json
- Plain text: https://secwatch.observer/filing/0001709682-21-000076.txt

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