# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001709682-25-000039
Filing Date
2025-10-27
Accepted
2025-10-27 16:12:13
Documents
71
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | ctos-20250930.htm iXBRL | 10-Q | 1498843
2 | EX-31.1 | a09302025ctosex311.htm | EX-31.1 | 18686
3 | EX-31.2 | a09302025ctosex312.htm | EX-31.2 | 18680
4 | EX-32 | a09302025ctosex32.htm | EX-32 | 6283
| Complete submission text file | 0001709682-25-000039.txt |  | 6971351

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
5 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ctos-20250930.xsd | EX-101.SCH | 41632
6 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ctos-20250930_cal.xml | EX-101.CAL | 66995
7 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ctos-20250930_def.xml | EX-101.DEF | 201966
8 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ctos-20250930_lab.xml | EX-101.LAB | 519493
9 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ctos-20250930_pre.xml | EX-101.PRE | 385457
74 | EXTRACTED XBRL INSTANCE DOCUMENT | ctos-20250930_htm.xml | XML | 1052489

Mailing Address 7701 INDEPENDENCE AVENUE KANSAS CITY MO 64125
Business Address 7701 INDEPENDENCE AVENUE KANSAS CITY MO 64125 (816) 241-4888
Custom Truck One Source, Inc. (Filer) CIK: 0001709682 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-38186 | Film No.: 251420010
SIC: 7359 Services-Equipment Rental & Leasing, NEC
(CF Office: 07 Trade & Services)