Welcome to our dedicated page for Custom Truck One Source SEC filings (Ticker: CTOS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Custom Truck One Source, Inc. (NYSE: CTOS) SEC filings page on Stock Titan provides direct access to the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. CTOS operates as a provider of specialty equipment, rentals, parts and services to electric utility transmission and distribution, telecommunications, rail and other infrastructure-related end markets in North America, and its filings offer detailed insight into this business.
Investors can review current reports on Form 8-K, which the company uses to furnish earnings press releases and other material events. For example, CTOS has filed 8-Ks to announce quarterly financial results for periods ended June 30 and September 30, 2025, and to disclose an officer’s planned resignation. These filings often incorporate press releases that discuss segment performance for Equipment Rental Solutions (ERS), Truck and Equipment Sales (TES) and Aftermarket Parts and Services (APS), along with non-GAAP measures such as Adjusted Gross Profit and Adjusted EBITDA.
Through this page, users can also locate annual reports on Form 10-K and quarterly reports on Form 10-Q (when available in EDGAR), which typically contain more extensive information on CTOS’s rental fleet, original equipment cost metrics, fleet utilization, sales order backlog, risk factors and segment disclosures. Executive and governance matters, including certain officer changes, appear in relevant 8-K items and other filings.
Stock Titan enhances these documents with AI-powered summaries that highlight key points from lengthy filings, helping readers quickly understand the implications of financial results, segment trends and corporate events. Real-time updates from EDGAR ensure that new CTOS filings, including any future Forms 4 related to insider transactions, 10-Qs, 10-Ks or additional 8-Ks, are added promptly so investors can monitor the company’s regulatory reporting history in one place.
Custom Truck One Source, Inc. reported that its Chief Accounting Officer, R. Todd Barrett, has decided to resign from his position. He informed the company of his decision on December 19, 2025, and his resignation will be effective January 16, 2026.
The company stated that Mr. Barrett’s resignation is not the result of any disagreement with Custom Truck One Source on matters related to its operations, policies, or practices. The filing does not describe any changes to the company’s broader strategy or financial reporting approach beyond this leadership transition.
Custom Truck One Source (CTOS) reported Q3 2025 results. Total revenue was
For the nine months, revenue totaled
Custom Truck One Source (CTOS) furnished an 8-K announcing financial results for the quarter ended September 30, 2025. The company issued a press release, provided as Exhibit 99.1, and posted an updated investor presentation on its website.
The materials in Items 2.02 and 7.01 are deemed “furnished” and not “filed” under the Exchange Act, and are not incorporated into other filings except by specific reference.
Custom Truck One Source (CTOS): Director transaction reported. A reporting person serving as a director disclosed a Code J transaction on 10/17/2025, reflecting a pro‑rata, in‑kind distribution by Capitol Acquisition Management IV, LLC to its members for no consideration. The filing lists 3,670,279 shares of common stock transferred at $0.00, previously held indirectly through the LLC. The footnote states that certain holdings now include shares received in the distribution.
Custom Truck One Source (CTOS)October 17, 2025, Capitol Acquisition Management IV LLC distributed 3,670,279 shares of common stock to its members on a pro rata basis; as part of this, Mark Ein acquired 3,553,612 shares.
Following the distribution, Mr. Ein reports beneficial ownership of 5,159,319 shares (including options to purchase 20,000 shares that are currently exercisable), representing 2.3% of the class. This percentage is based on 226,559,586 shares outstanding as of July 28, 2025, as disclosed in the issuer’s Form 10‑Q filed July 30, 2025. The filing states the reporting persons have ceased to be beneficial owners of more than five percent of the outstanding common stock. Other reporting persons listed report zero shares following the distribution.
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