# Custom Truck One Source, Inc.: Form 8-K, filed Dec 23, 2025

- Company: [Custom Truck One Source, Inc.](/companies/ctos.md) (CIK 1709682)
- Form: 8-K
- Filed: 2025-12-23
- Accepted by EDGAR: Dec 23, 2025, 16:23 ET
- Period: 2025-12-19
- Accession: 0001709682-25-000043
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1709682/000170968225000043/ctos-20251219.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1709682/000170968225000043/

## Items reported

- Item 5.02: Departure or appointment of officers or directors

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1709682/000170968225000043/ctos-20251219.htm

Filed Dec 23, 2025.
Source: SEC EDGAR, the filing index for accession 0001709682-25-000043. Last ingested by Listed: Oct 26, 2026, 16:16 ET. No prices; not investment advice.