CTOS's three largest insider shareholders as of March 23, 2026 are One Source Holdings, Llc Pe (TenPercentOwner, 156.74Mn shares), Equity, Llc Platinum (TenPercentOwner, 156.74Mn shares), Holdings, Lp Nesco (TenPercentOwner, 23.38Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| One Source Holdings, Llc Pe | 0 | 156,743,635 | 03 Feb, 2025 | |
| Equity, Llc Platinum | 0 | 156,743,635 | 03 Feb, 2025 | |
| Controlco, Llc Ecp | 0 | 23,384,879 | 09 Sep, 2024 | |
| Holdings, Lp Nesco | 0 | 23,384,879 | 09 Sep, 2024 | |
| Fredrick M. Jr. Ross | Chief Executive Officer | 0 | 2,000,000 | 05 Apr, 2021 |
| Mark Ein | 1,585,707 | 0 | 02 Apr, 2025 | |
| Ryan Mcmonagle | Chief Executive Officer | 588,723 | 0 | 03 Apr, 2025 |
| Fredrick M. Jr. Ross | 404,987 | 0 | 03 Apr, 2025 | |
| Marshall Heinberg | 352,202 | 0 | 02 Apr, 2025 | |
| Joe P. Ross | President Sales | 311,485 | 0 | 03 Apr, 2025 |
| Thomas R. Rich | President Rentals | 286,377 | 0 | 03 Apr, 2025 |
| Joe P. Ross | President Sales | 0 | 282,449 | 05 Apr, 2021 |
| Christopher J Eperjesy | Chief Financial Officer | 206,578 | 0 | 03 Apr, 2025 |
| Marshall Heinberg | 0 | 120,000 | 14 Nov, 2023 | |
| Adam G. Haubenreich | Vp And General Counsel | 111,746 | 0 | 04 Apr, 2023 |
| Georgia R Nelson | 105,804 | 0 | 02 Apr, 2025 | |
| Paul Bader | 93,804 | 0 | 02 Apr, 2025 | |
| James Carlsen | Cio | 80,320 | 0 | 03 Apr, 2024 |
| Brad Meader | Chief Financial Officer | 75,336 | 0 | 05 Apr, 2022 |
| Mary M. Jackson | 55,173 | 0 | 02 Apr, 2025 | |
| Raymond Todd Barrett | Chief Accounting Officer | 51,338 | 0 | 03 Apr, 2025 |
| Paul M Jolas | Evp, Gen. Counsel Secretary | 33,719 | 0 | 03 Apr, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 17 Oct, 2025 | Mark Ein | Common Stock | D | 3,670,279 | $0.00 | 0 | I | J |
| 28 Apr, 2025 | Christopher J Eperjesy | Restricted Stock Unit | A | 90,000 | $0.00 | 90,000 | D | A |
| 28 Apr, 2025 | Ryan Mcmonagle | Restricted Stock Unit | A | 162,500 | $0.00 | 162,500 | D | A |
| 28 Apr, 2025 | Joe P. Ross | Restricted Stock Unit | A | 100,000 | $0.00 | 100,000 | D | A |
| 28 Apr, 2025 | Thomas R. Rich | Restricted Stock Unit | A | 100,000 | $0.00 | 100,000 | D | A |
| 28 Apr, 2025 | Raymond Todd Barrett | Restricted Stock Unit | A | 25,000 | $0.00 | 25,000 | D | A |
| 28 Apr, 2025 | Fredrick M. Jr. Ross | Restricted Stock Unit | A | 175,000 | $0.00 | 175,000 | D | A |
| 28 Apr, 2025 | Paul M Jolas | Restricted Stock Unit | A | 67,500 | $0.00 | 67,500 | D | A |
| 01 Apr, 2025 | Fredrick M. Jr. Ross | Common Stock | A | 175,000 | $0.00 | 457,575 | D | M |
| 01 Apr, 2025 | Raymond Todd Barrett | Common Stock | A | 15,000 | $0.00 | 56,237 | D | M |
| 01 Apr, 2025 | Paul M Jolas | Common Stock | A | 33,750 | $0.00 | 47,679 | D | M |
| 01 Apr, 2025 | Joe P. Ross | Common Stock | A | 100,000 | $0.00 | 356,998 | D | M |
| 01 Apr, 2025 | Ryan Mcmonagle | Common Stock | A | 162,500 | $0.00 | 661,931 | D | M |
| 01 Apr, 2025 | Thomas R. Rich | Common Stock | A | 100,000 | $0.00 | 331,942 | D | M |
| 01 Apr, 2025 | Christopher J Eperjesy | Common Stock | A | 67,500 | $0.00 | 237,115 | D | M |
| 01 Apr, 2025 | Paul M Jolas | Common Stock | D | 13,960 | $4.20 | 33,719 | D | F |
| 01 Apr, 2025 | Thomas R. Rich | Common Stock | D | 45,565 | $4.20 | 286,377 | D | F |
| 01 Apr, 2025 | Joe P. Ross | Common Stock | D | 45,513 | $4.20 | 311,485 | D | F |
| 01 Apr, 2025 | Ryan Mcmonagle | Common Stock | D | 73,208 | $4.20 | 588,723 | D | F |
| 01 Apr, 2025 | Fredrick M. Jr. Ross | Common Stock | D | 52,588 | $4.20 | 404,987 | D | F |