# Custom Truck One Source, Inc.: overview

CTOS · NYSE · CIK 1709682 · [Industrials](/sectors/industrials.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ctos.md) · [Financials](/companies/ctos/financials.md) · [Filings](/companies/ctos/filings.md) · [Insiders](/companies/ctos/insiders.md)

Latest reported revenue: [$417.6m](/filings/0001709682-26-000040.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 3, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001709682-26-000040).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [338](/filings/0001709682-25-000039.md) | [398 d](/filings/0001709682-26-000008.md) | [307](/filings/0001709682-26-000018.md) | [392](/filings/0001709682-26-000040.md) | [360](/filings/0001709682-25-000039.md) | [387 d](/filings/0001709682-26-000008.md) | [329](/filings/0001709682-26-000018.md) | [418](/filings/0001709682-26-000040.md) |
| Gross margin | % | [27.2%](/filings/0001709682-25-000039.md) | [29.7% d](/filings/0001709682-26-000008.md) | [27.9%](/filings/0001709682-26-000018.md) | [26.1%](/filings/0001709682-26-000040.md) | [28.0%](/filings/0001709682-25-000039.md) | [31.8% d](/filings/0001709682-26-000008.md) | [31.4%](/filings/0001709682-26-000018.md) | [29.7%](/filings/0001709682-26-000040.md) |
| Operating margin | % | [6.8%](/filings/0001709682-25-000039.md) | [16.9% d](/filings/0001709682-26-000008.md) | [4.0%](/filings/0001709682-26-000018.md) | [7.1%](/filings/0001709682-26-000040.md) | [9.1%](/filings/0001709682-25-000039.md) | [13.4% d](/filings/0001709682-26-000008.md) | [9.6%](/filings/0001709682-26-000018.md) | [11.2%](/filings/0001709682-26-000040.md) |
| Net margin | % | [(5.2%)](/filings/0001709682-25-000039.md) | [6.9% d](/filings/0001709682-26-000008.md) | [(5.8%)](/filings/0001709682-26-000040.md) | [(7.2%)](/filings/0001709682-26-000040.md) | [(1.6%)](/filings/0001709682-25-000039.md) | [5.4% d](/filings/0001709682-26-000008.md) | [(1.2%)](/filings/0001709682-26-000040.md) | [2.5%](/filings/0001709682-26-000040.md) |
| Diluted EPS | $ per share | [(0.07)](/filings/0001709682-25-000039.md) | not reported | [(0.08)](/filings/0001709682-26-000018.md) | [(0.13)](/filings/0001709682-26-000040.md) | [(0.03)](/filings/0001709682-25-000039.md) | not reported | [(0.02)](/filings/0001709682-26-000018.md) | [0.05](/filings/0001709682-26-000040.md) |
| Free cash flow | $m | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [788](/filings/0001709682-24-000010.md) | [1,085](/filings/0001709682-25-000006.md) | [1,331](/filings/0001709682-26-000008.md) | [1,360](/filings/0001709682-26-000008.md) | [1,446](/filings/0001709682-26-000008.md) |
| Gross margin | % | [26.6%](/filings/0001709682-24-000010.md) | [35.4%](/filings/0001709682-25-000006.md) | [34.1%](/filings/0001709682-26-000008.md) | [28.7%](/filings/0001709682-26-000008.md) | [28.5%](/filings/0001709682-26-000008.md) |
| Operating margin | % | [(5.3%)](/filings/0001709682-24-000010.md) | [9.5%](/filings/0001709682-25-000006.md) | [12.8%](/filings/0001709682-26-000008.md) | [9.3%](/filings/0001709682-26-000008.md) | [8.6%](/filings/0001709682-26-000008.md) |
| Net margin | % | [(23.0%)](/filings/0001709682-24-000010.md) | [3.6%](/filings/0001709682-25-000006.md) | [3.8%](/filings/0001709682-26-000008.md) | [(2.1%)](/filings/0001709682-26-000008.md) | [(2.1%)](/filings/0001709682-26-000008.md) |
| Diluted EPS | $ per share | [(0.75)](/filings/0001709682-24-000010.md) | [0.16](/filings/0001709682-25-000006.md) | [0.21](/filings/0001709682-26-000008.md) | [(0.12)](/filings/0001709682-26-000008.md) | [(0.14)](/filings/0001709682-26-000008.md) |
| Free cash flow | $m | not reported | not reported | not reported | not reported | not reported |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/ctos/insiders.md)

| Date | Insider | Role | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | --- | ---: | ---: | ---: | --- |
| 2022-02-16 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | Former 10% Owner | Sale (S) | 2,264 | $8.07 | $18.3k | [Form 4](/filings/0000899243-22-007083.md) |
| 2022-02-16 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | Former 10% Owner | Sale (S) | 466,472 | $8.07 | $3.8m | [Form 4](/filings/0000899243-22-007083.md) |
| 2022-02-16 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | Former 10% Owner | Sale (S) | 455,487 | $8.07 | $3.7m | [Form 4](/filings/0000899243-22-007083.md) |
| 2022-02-16 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | Former 10% Owner | Sale (S) | 23,457 | $8.07 | $189.3k | [Form 4](/filings/0000899243-22-007083.md) |
| 2022-02-16 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | Former 10% Owner | Sale (S) | 45,860 | $8.07 | $370.1k | [Form 4](/filings/0000899243-22-007083.md) |
| 2022-02-16 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | Former 10% Owner | Sale (S) | 472,446 | $8.07 | $3.8m | [Form 4](/filings/0000899243-22-007083.md) |
| 2022-02-16 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | Former 10% Owner | Sale (S) | 382,460 | $8.07 | $3.1m | [Form 4](/filings/0000899243-22-007083.md) |
| 2021-11-22 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | 10% owner | Sale (S) | 15,096 | $8.2025 | $123.8k | [Form 4](/filings/0000899243-21-045659.md) |
| 2021-11-22 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | 10% owner | Sale (S) | 3,109,809 | $8.2025 | $25.5m | [Form 4](/filings/0000899243-21-045659.md) |
| 2021-11-22 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | 10% owner | Sale (S) | 3,036,582 | $8.2025 | $24.9m | [Form 4](/filings/0000899243-21-045659.md) |
| 2021-11-22 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | 10% owner | Sale (S) | 156,378 | $8.2025 | $1.3m | [Form 4](/filings/0000899243-21-045659.md) |
| 2021-11-22 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | 10% owner | Sale (S) | 305,733 | $8.2025 | $2.5m | [Form 4](/filings/0000899243-21-045659.md) |
| 2021-11-22 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | 10% owner | Sale (S) | 3,149,642 | $8.2025 | $25.8m | [Form 4](/filings/0000899243-21-045659.md) |
| 2021-11-22 | [Blackstone Holdings III L.P.](/insiders/1404073.md) | 10% owner | Sale (S) | 2,549,735 | $8.2025 | $20.9m | [Form 4](/filings/0000899243-21-045659.md) |

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [Platinum Equity Advisors, LLC/DE](/funds/1803274.md) | 2026-06-30 | $1.85bn | 156,743,635 |  | Unchanged |
| [DIMENSIONAL FUND ADVISORS LP](/funds/354204.md) | 2026-06-30 | $72.9m | 6,172,555 |  | Added +569,717 |
| [MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.](/funds/1705339.md) | 2026-06-30 | $72.7m | 6,156,876 |  | Added +481,958 |
| [Canvas Wealth Advisors, LLC](/funds/1858782.md) | 2026-06-30 | $70.7m | 5,982,649 |  | Reduced −1,036,877 |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $54.0m | 4,574,024 |  | Added +321,052 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $30.5m | 2,578,410 |  | Added +52,666 |
| [Allspring Global Investments Holdings, LLC](/funds/1890906.md) | 2026-06-30 | $29.7m | 2,692,878 |  | Reduced −1,221,255 |
| [ARROWSTREET CAPITAL, LIMITED PARTNERSHIP](/funds/1164508.md) | 2026-06-30 | $26.0m | 2,202,031 |  | Added +1,145,481 |
| [GOLDMAN SACHS GROUP INC](/funds/886982.md) | 2026-06-30 | $22.2m | 1,877,617 |  | Added +1,361,882 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $20.4m | 1,727,646 |  | Added +257,010 |

## Recent filings

[All 575 filings](/companies/ctos/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-26 | 16:13 ET | [8-K](/filings/0001709682-26-000045.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001709682-26-000045 |
| 2026-08-03 | 16:16 ET | [10-Q](/filings/0001709682-26-000040.md) | Quarterly report, period 2026-06-30 | 0001709682-26-000040 |
| 2026-08-03 | 16:14 ET | [8-K](/filings/0001709682-26-000039.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001709682-26-000039 |
| 2026-06-11 | 11:18 ET | [8-K](/filings/0001709682-26-000034.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001709682-26-000034 |
| 2026-04-29 | 19:05 ET | [DEF 14A](/filings/0001709682-26-000030.md) | Proxy statement, period 2025-12-31 | 0001709682-26-000030 |
| 2026-04-27 | 16:17 ET | [10-Q](/filings/0001709682-26-000018.md) | Quarterly report, period 2026-03-31 | 0001709682-26-000018 |
| 2026-04-27 | 16:14 ET | [8-K](/filings/0001709682-26-000017.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001709682-26-000017 |
| 2026-03-25 | 16:13 ET | [8-K](/filings/0001709682-26-000010.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001709682-26-000010 |
| 2026-03-10 | 07:06 ET | [10-K](/filings/0001709682-26-000008.md) | Annual report, period 2025-12-31 | 0001709682-26-000008 |
| 2026-03-10 | 07:01 ET | [8-K](/filings/0001709682-26-000006.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001709682-26-000006 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001709682-26-000008.md), filed Mar 10, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, locked when the 8-K was accepted. It is scored when the 10-Q or 10-K is ingested. [See the target](/leagues/2026q3/targets/22ccf881-8e20-49d8-9ee1-0a5e15e23f20)

## About the filer

- CIK: 1709682
- Tickers: CTOS
- Exchange: NYSE
- SIC code: 7359 Services-Equipment Rental & Leasing, NEC
- State of incorporation: DE
- Filer category: Accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 26, 2026, 16:16 ET. No prices; not investment advice.