Custom Truck One Source, Inc. SEC filings CTOS

Custom Truck One Source, Inc. has 581 filings in SEC EDGAR's recent list, going back to Jul 3, 2017. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 26, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 26, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.

Custom Truck One Source, Inc. SEC filings
Form Description Filed Period
10-Q Quarterly report Oct 26, 2026 Sep 30, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Oct 26, 2026 Oct 26, 2026
10-Q Quarterly report Aug 3, 2026 Jun 30, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Aug 3, 2026 Aug 3, 2026
8-K Current report
Shareholder vote results
Jun 11, 2026 Jun 11, 2026
ARS Annual report to shareholders Apr 29, 2026 Dec 31, 2025
DEFA14A Additional proxy material Apr 29, 2026 —
DEF 14A Proxy statement Apr 29, 2026 Dec 31, 2025
10-Q Quarterly report Apr 27, 2026 Mar 31, 2026
8-K Current report
Results of operations, Regulation FD disclosure
Apr 27, 2026 Apr 27, 2026
8-K Current report
Regulation FD disclosure
Mar 25, 2026 Mar 25, 2026
10-K Annual report Mar 10, 2026 Dec 31, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Mar 10, 2026 Mar 10, 2026
8-K Current report
Officer or director change
Dec 23, 2025 Dec 19, 2025
10-Q Quarterly report Oct 27, 2025 Sep 30, 2025
8-K Current report
Results of operations
Oct 27, 2025 Oct 27, 2025
10-Q Quarterly report Jul 30, 2025 Jun 30, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Jul 30, 2025 Jul 30, 2025
8-K Current report
Shareholder vote results
Jun 12, 2025 Jun 12, 2025
10-Q Quarterly report Apr 30, 2025 Mar 31, 2025
8-K Current report
Results of operations, Regulation FD disclosure
Apr 30, 2025 Apr 30, 2025
DEFA14A Additional proxy material Apr 28, 2025 —
DEF 14A Proxy statement Apr 28, 2025 Dec 31, 2024
ARS Annual report to shareholders Apr 28, 2025 Dec 31, 2024
UPLOAD Letter from the SEC Apr 3, 2025 —
10-K Annual report Mar 4, 2025 Dec 31, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Mar 4, 2025 Mar 4, 2025
8-K Current report
Other events
Feb 3, 2025 Jan 30, 2025
CORRESP Letter to the SEC Dec 12, 2024 —
UPLOAD Letter from the SEC Nov 26, 2024 —
10-Q Quarterly report Oct 30, 2024 Sep 30, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Oct 30, 2024 Oct 30, 2024
8-K Current report
Officer or director change
Aug 20, 2024 Aug 15, 2024
CORRESP Letter to the SEC Aug 16, 2024 —
8-K Current report
Material agreement, New debt
Aug 12, 2024 Aug 9, 2024
CORRESP Letter to the SEC Aug 2, 2024 —
10-Q Quarterly report Aug 1, 2024 Jun 30, 2024
8-K Current report
Results of operations, Regulation FD disclosure
Aug 1, 2024 Aug 1, 2024
UPLOAD Letter from the SEC Jul 18, 2024 —
CORRESP Letter to the SEC Jun 25, 2024 —
8-K Current report
Officer or director change, Shareholder vote results
Jun 14, 2024 Jun 13, 2024
CORRESP Letter to the SEC Jun 10, 2024 —
UPLOAD Letter from the SEC May 28, 2024 —
S-8 Employee stock plan registration May 8, 2024 —
10-Q Quarterly report May 2, 2024 Mar 31, 2024
8-K Current report
Results of operations, Regulation FD disclosure
May 2, 2024 May 2, 2024
DEFA14A Additional proxy material Apr 26, 2024 —
ARS Annual report to shareholders Apr 26, 2024 Dec 31, 2023
DEF 14A Proxy statement Apr 26, 2024 Dec 31, 2023
25-NSE Delisting notice Apr 2, 2024 —
8-K Current report
Listing notice
Mar 15, 2024 Mar 15, 2024
CORRESP Letter to the SEC Mar 14, 2024 —
8-K Current report
Other events
Mar 12, 2024 Mar 11, 2024
10-K Annual report Mar 7, 2024 Dec 31, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Mar 7, 2024 Mar 7, 2024
CORRESP Letter to the SEC Feb 27, 2024 —
UPLOAD Letter from the SEC Feb 14, 2024 —
CORRESP Letter to the SEC Dec 15, 2023 —
UPLOAD Letter from the SEC Dec 1, 2023 —
CORRESP Letter to the SEC Nov 8, 2023 —
10-Q Quarterly report Nov 7, 2023 Sep 30, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Nov 7, 2023 Nov 7, 2023
UPLOAD Letter from the SEC Oct 25, 2023 —
8-K Current report
Other events
Sep 20, 2023 Sep 14, 2023
10-Q Quarterly report Aug 8, 2023 Jun 30, 2023
8-K Current report
Results of operations, Regulation FD disclosure
Aug 8, 2023 Aug 8, 2023
8-K Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
Jun 20, 2023 Jun 15, 2023
10-Q Quarterly report May 9, 2023 Mar 31, 2023
8-K Current report
Results of operations, Regulation FD disclosure
May 9, 2023 May 9, 2023
DEFA14A Additional proxy material May 2, 2023 —
DEF 14A Proxy statement Apr 28, 2023 —
ARS Annual report to shareholders Apr 28, 2023 Dec 31, 2022
PRE 14A Preliminary proxy statement Apr 17, 2023 —
8-K Current report
Material agreement
Apr 14, 2023 Apr 14, 2023
10-K Annual report Mar 14, 2023 Dec 31, 2022
8-K Current report
Results of operations, Regulation FD disclosure
Mar 14, 2023 Mar 14, 2023
8-K Current report
Officer or director change, Regulation FD disclosure
Dec 7, 2022 Dec 7, 2022
10-Q Quarterly report Nov 8, 2022 Sep 30, 2022
8-K Current report
Results of operations, Regulation FD disclosure
Nov 8, 2022 Nov 8, 2022
8-K Current report
Regulation FD disclosure
Nov 7, 2022 Nov 7, 2022
S-8 Employee stock plan registration Aug 19, 2022 —
10-Q Quarterly report Aug 9, 2022 Jun 30, 2022
8-K Current report
Results of operations, Regulation FD disclosure
Aug 9, 2022 Aug 9, 2022
8-K Current report
Officer or director change, Regulation FD disclosure, Other events
Aug 4, 2022 Aug 1, 2022
8-K Current report
Other events
Jul 25, 2022 Jul 25, 2022
8-K Current report
Shareholder vote results
Jun 16, 2022 Jun 14, 2022
8-K Current report
Regulation FD disclosure
Jun 2, 2022 Jun 2, 2022
10-Q Quarterly report May 10, 2022 Mar 31, 2022
8-K Current report
Results of operations, Regulation FD disclosure
May 10, 2022 May 10, 2022
DEF 14A Proxy statement May 2, 2022 Dec 31, 2021
8-K Current report
Regulation FD disclosure
Apr 27, 2022 Apr 27, 2022
8-K Current report
Results of operations, Officer or director change, Regulation FD disclosure
Apr 26, 2022 Apr 22, 2022
8-K Current report
Other events
Apr 21, 2022 Apr 21, 2022
8-K Current report
Officer or director change, Regulation FD disclosure
Apr 11, 2022 Apr 11, 2022
8-K Current report
Regulation FD disclosure
Mar 17, 2022 Mar 17, 2022
10-K Annual report Mar 16, 2022 Dec 31, 2021
8-K Current report
Results of operations, Regulation FD disclosure
Mar 10, 2022 Mar 10, 2022
8-K Current report
Other events
Feb 17, 2022 Feb 17, 2022
8-K Current report
Regulation FD disclosure
Feb 15, 2022 Feb 15, 2022
8-K Current report
Regulation FD disclosure
Jan 14, 2022 Jan 14, 2022
8-K Current report
Regulation FD disclosure
Jan 6, 2022 Jan 6, 2022
8-K Current report
Officer or director change
Dec 9, 2021 Dec 6, 2021
8-K Current report
Other events
Nov 22, 2021 Nov 17, 2021
424B7 Prospectus Nov 19, 2021 —
424B7 Prospectus Nov 15, 2021 —
8-K Current report Nov 15, 2021 Nov 15, 2021
10-Q Quarterly report Nov 15, 2021 Sep 30, 2021
8-K Current report
Regulation FD disclosure
Nov 9, 2021 Nov 9, 2021
UPLOAD Letter from the SEC Nov 9, 2021 —
8-K Current report
Officer or director change
Nov 8, 2021 Nov 8, 2021
8-K Current report
Regulation FD disclosure
Nov 4, 2021 Nov 4, 2021
8-K Current report
Other events
Oct 26, 2021 Oct 26, 2021
CORRESP Letter to the SEC Oct 25, 2021 —
UPLOAD Letter from the SEC Oct 14, 2021 —
EFFECT Filing Oct 1, 2021 —
8-K Current report
Regulation FD disclosure
Oct 1, 2021 Oct 1, 2021
CORRESP Letter to the SEC Sep 29, 2021 —
UPLOAD Letter from the SEC Sep 28, 2021 —
S-3/A Amendment no. 1 to form s-3 Sep 23, 2021 —
S-3 Shelf registration Sep 22, 2021 —
8-K Current report
Regulation FD disclosure
Sep 21, 2021 Sep 20, 2021
10-Q Quarterly report Aug 16, 2021 Jun 30, 2021
8-K Current report
Regulation FD disclosure
Aug 12, 2021 Aug 12, 2021
8-K Current report
Other events
Aug 3, 2021 Aug 3, 2021
8-K Current report
Regulation FD disclosure
Jul 29, 2021 Jul 29, 2021
8-K Current report
Officer or director change, Shareholder vote results
Jul 8, 2021 Jul 8, 2021
8-K Current report
Regulation FD disclosure
Jul 8, 2021 Jul 7, 2021
DEF 14A Proxy statement Jun 10, 2021 Jul 8, 2021
S-8 Employee stock plan registration Jun 4, 2021 —
8-K Current report
Officer or director change, Regulation FD disclosure
May 26, 2021 May 20, 2021
10-Q Quarterly report May 17, 2021 Mar 31, 2021
EFFECT Filing May 13, 2021 —
8-K Current report
Results of operations
May 12, 2021 May 12, 2021
CORRESP Letter to the SEC May 11, 2021 —
UPLOAD Letter from the SEC May 11, 2021 —
S-3 Shelf registration May 6, 2021 —
8-K/A Amended current report May 6, 2021 Apr 1, 2021
8-K Current report
Regulation FD disclosure
May 4, 2021 May 4, 2021
D Filing Apr 15, 2021 —
8-K Current report
Auditor change
Apr 6, 2021 Apr 1, 2021
8-K Current report
Material agreement, Acquisition or sale of assets, New debt, Unregistered share sale, Change to shareholder rights, Change in control, Officer or director change, Bylaw or fiscal year change
Apr 2, 2021 Apr 1, 2021
8-K Current report
Regulation FD disclosure
Mar 22, 2021 Mar 19, 2021
8-K Current report
Regulation FD disclosure
Mar 16, 2021 Mar 16, 2021
8-K Current report
Officer or director change
Mar 11, 2021 Mar 5, 2021
10-K Annual report Mar 9, 2021 Dec 31, 2020
8-K Current report Mar 9, 2021 Mar 8, 2021
8-K Current report
Shareholder vote results, Other events
Feb 22, 2021 Feb 16, 2021
DEF 14A Proxy statement Jan 20, 2021 Feb 18, 2021
8-K Current report
Officer or director change
Jan 4, 2021 Dec 28, 2020
PRE 14A Preliminary proxy statement Dec 23, 2020 Dec 23, 2020
8-K Current report
Material agreement, Unregistered share sale, Other events
Dec 22, 2020 Dec 21, 2020
DEFA14A Additional proxy material Dec 22, 2020 —
DEFA14A Additional proxy material Dec 4, 2020 —
8-K Current report
Material agreement, Unregistered share sale
Dec 4, 2020 Dec 3, 2020
DEFA14A Additional proxy material Dec 4, 2020 —
DEFA14A Additional proxy material Dec 4, 2020 —
DEFA14A Additional proxy material Dec 4, 2020 —
8-K Current report
Other events
Dec 3, 2020 Dec 3, 2020
DEFA14A Additional proxy material Dec 3, 2020 —
10-Q Quarterly report Nov 9, 2020 Sep 30, 2020
8-K Current report
Results of operations
Nov 9, 2020 Nov 9, 2020
10-Q Quarterly report Aug 6, 2020 Jun 30, 2020
8-K Current report
Results of operations
Aug 6, 2020 Aug 6, 2020
8-K Current report
Results of operations
Jul 23, 2020 Jul 23, 2020
S-8 Employee stock plan registration Jun 17, 2020 —
8-K Current report
Officer or director change, Shareholder vote results
Jun 12, 2020 Jun 11, 2020
8-K Current report
Officer or director change
Jun 8, 2020 Jun 8, 2020
10-Q Quarterly report May 7, 2020 Mar 31, 2020
8-K Current report
Results of operations
May 7, 2020 May 7, 2020
DEFA14A Additional proxy material May 1, 2020 —
DEF 14A Proxy statement May 1, 2020 May 1, 2020
8-K Current report
Results of operations
Apr 30, 2020 Apr 30, 2020
10-K Annual report Mar 16, 2020 Dec 31, 2019
8-K Current report
Results of operations
Mar 12, 2020 Mar 12, 2020
8-K Current report
Regulation FD disclosure
Mar 11, 2020 Mar 11, 2020
8-K Current report
Results of operations
Mar 2, 2020 Mar 2, 2020
8-K Current report
Officer or director change, Regulation FD disclosure
Mar 2, 2020 Feb 27, 2020
RW Registration withdrawal Jan 17, 2020 —
8-K Current report
Regulation FD disclosure
Nov 14, 2019 Nov 14, 2019
S-3 Shelf registration Nov 13, 2019 —
10-Q/A Amended quarterly report Nov 13, 2019 Sep 30, 2019
10-Q Quarterly report Nov 12, 2019 Sep 30, 2019
8-K Current report
Results of operations
Nov 12, 2019 Nov 11, 2019
8-K Current report
Regulation FD disclosure
Nov 5, 2019 Nov 5, 2019
8-K Current report
Results of operations, Regulation FD disclosure
Oct 29, 2019 Oct 29, 2019
S-8 Employee stock plan registration Oct 4, 2019 —
8-K Current report
Regulation FD disclosure
Sep 23, 2019 Sep 23, 2019
8-K Current report
Auditor change
Sep 11, 2019 Sep 10, 2019
8-K Current report
Regulation FD disclosure
Sep 4, 2019 Sep 3, 2019
8-K Current report
Officer or director change
Aug 27, 2019 Aug 22, 2019
8-K/A Amended current report
Acquisition or sale of assets
Aug 9, 2019 Jul 29, 2019
8-K Current report
Results of operations
Aug 9, 2019 Aug 9, 2019
8-K12B Current report Aug 5, 2019 Jul 30, 2019
25-NSE Delisting notice Aug 1, 2019 —
8-K Current report
Material agreement, Agreement ended, Acquisition or sale of assets, New debt, Unregistered share sale, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change
Aug 1, 2019 Jul 29, 2019
10-Q Quarterly report Jul 31, 2019 Jun 30, 2019
EFFECT Filing Jul 30, 2019 —
POS AM Post-effective amendment to a resgistration statement Jul 30, 2019 —
8-K Current report
Regulation FD disclosure
Jul 29, 2019 Jul 26, 2019
8-K Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
Jul 22, 2019 Jul 22, 2019

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Services-Equipment Rental & Leasing, NEC (SIC 7359)
Listed as
CTOS (NYSE)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Kansas City, MO
SEC filer status
Accelerated filer
SEC CIK
1709682
Former names
NESCO HOLDINGS, INC. (until Mar 22, 2021); Capitol Investment Corp. IV (until Jul 30, 2019)

Other Services-Equipment Rental & Leasing, NEC companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.