25 insiders reported 54 Form 4 transactions for Custom Truck One Source, Inc. (CTOS) over the past 18 months (most recent 2026-04-03). Recent activity: Eperjesy Christopher J (Chief Financial Officer) Buy 90,000 shares, JOLAS PAUL M (EVP, General Counsel & Sec.) Buy 50,625 shares, Ross Fredrick M. Jr. (Director) Buy 131,250 shares, McMonagle Ryan (Chief Executive Officer) Buy 121,875 shares, Ross Joe P. (President - Sales) Buy 75,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-03 | Eperjesy Christopher J | Chief Financial Officer | Buy | 90,000 | $0 |
| 2026-04-03 | JOLAS PAUL M | EVP, General Counsel & Sec. | Buy | 50,625 | $0 |
| 2026-04-03 | Ross Fredrick M. Jr. | Director | Buy | 131,250 | $0 |
| 2026-04-03 | McMonagle Ryan | Chief Executive Officer | Buy | 121,875 | $0 |
| 2026-04-03 | Ross Joe P. | President - Sales | Buy | 75,000 | $0 |
| 2026-04-03 | Rich Thomas R. | President - Rentals | Buy | 75,000 | $0 |
| 2026-04-03 | Eperjesy Christopher J | Chief Financial Officer | Sell | 40,547 | $268,421 |
| 2026-04-03 | JOLAS PAUL M | EVP, General Counsel & Sec. | Sell | 19,923 | $131,890 |
| 2026-04-03 | Ross Fredrick M. Jr. | Director | Sell | 39,441 | $261,099 |
| 2026-04-03 | McMonagle Ryan | Chief Executive Officer | Sell | 54,906 | $363,478 |
| 2026-04-03 | Ross Joe P. | President - Sales | Sell | 33,788 | $223,677 |
| 2026-04-03 | Rich Thomas R. | President - Rentals | Sell | 22,538 | $149,202 |
| 2026-04-02 | EIN MARK | Director | Buy | 26,859 | $0 |
| 2026-04-02 | NELSON GEORGIA R | Director | Buy | 26,859 | $0 |
| 2026-04-02 | Heinberg Marshall A | Director | Buy | 48,346 | $0 |
| 2026-04-02 | BADER PAUL T | Director | Buy | 26,859 | $0 |
| 2026-04-02 | Jackson Mary M. | Director | Buy | 26,859 | $0 |
| 2026-03-26 | McMonagle Ryan | Chief Executive Officer | Buy | 40,292 | $0 |
| 2026-03-26 | Rich Thomas R. | President - Rentals | Buy | 24,796 | $0 |
| 2026-03-26 | Ross Joe P. | President - Sales | Buy | 24,796 | $0 |
| 2026-03-26 | Ross Fredrick M. Jr. | Director | Buy | 43,392 | $0 |
| 2026-03-26 | Eperjesy Christopher J | Chief Financial Officer | Buy | 27,895 | $0 |
| 2026-03-26 | JOLAS PAUL M | EVP, General Counsel & Sec. | Buy | 16,739 | $0 |
| 2025-10-21 | EIN MARK | Director | Sell | 3.7M | $0 |
| 2025-04-03 | Ross Fredrick M. Jr. | Director | Buy | 175,000 | $0 |
Source: SEC Form 4 filings · as of 2026-04-03