Custom Truck One Source, Inc. (CTOS) Insider Ownership

Historic Insider Ownership Trends

As of May 23, 2026, the three largest insider holders of CTOS are One Source Holdings, Llc Pe (TenPercentOwner, 156.74Mn shares), Equity, Llc Platinum (TenPercentOwner, 156.74Mn shares), Holdings, Lp Nesco (TenPercentOwner, 23.38Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Georgia R Nelson - 132,663 0 02 Apr, 2026
Christopher J Eperjesy Chief Financial Officer 283,926 0 03 Apr, 2026
Equity, Llc Platinum - 0 156,743,635 03 Feb, 2025
Marshall A Heinberg - 400,548 0 02 Apr, 2026
Controlco, Llc Ecp - 0 23,384,879 09 Sep, 2024
Paul T Bader - 120,663 0 02 Apr, 2026
Holdings, Lp Nesco - 0 23,384,879 09 Sep, 2024
Raymond Todd Barrett Chief Accounting Officer 51,338 0 03 Apr, 2025
Fredrick M. Jr. Ross Chief Executive Officer 540,188 0 03 Apr, 2026
Ryan Mcmonagle Chief Executive Officer 695,984 0 03 Apr, 2026
Brad Meader Chief Financial Officer 75,336 0 05 Apr, 2022
Adam G. Haubenreich Vp And General Counsel 111,746 0 04 Apr, 2023
Joe P. Ross President Sales 377,493 0 03 Apr, 2026
Thomas R. Rich President Rentals 363,635 0 03 Apr, 2026
James Carlsen Cio 80,320 0 03 Apr, 2024
One Source Holdings, Llc Pe - 0 156,743,635 03 Feb, 2025
Mary M. Jackson - 82,032 0 02 Apr, 2026

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
01 Apr, 2026 Thomas R. Rich Common Stock A 75,000 $0.00 386,173 D M
01 Apr, 2026 Ryan Mcmonagle Common Stock A 121,875 $0.00 750,890 D M
01 Apr, 2026 Thomas R. Rich Common Stock A 75,000 $0.00 386,173 D M
01 Apr, 2026 Christopher J Eperjesy Common Stock A 90,000 $0.00 324,473 D M
01 Apr, 2026 Joe P. Ross Common Stock A 75,000 $0.00 411,281 D M
01 Apr, 2026 Ryan Mcmonagle Common Stock A 121,875 $0.00 750,890 D M
01 Apr, 2026 Fredrick M. Jr. Ross Common Stock A 131,250 $0.00 579,629 D M
01 Apr, 2026 Joe P. Ross Common Stock A 75,000 $0.00 411,281 D M
01 Apr, 2026 Fredrick M. Jr. Ross Common Stock A 131,250 $0.00 579,629 D M
01 Apr, 2026 Joe P. Ross Common Stock D 33,788 $6.62 377,493 D F
01 Apr, 2026 Ryan Mcmonagle Common Stock D 54,906 $6.62 695,984 D F
01 Apr, 2026 Fredrick M. Jr. Ross Common Stock D 39,441 $6.62 540,188 D F
01 Apr, 2026 Joe P. Ross Common Stock D 33,788 $6.62 377,493 D F
01 Apr, 2026 Ryan Mcmonagle Common Stock D 54,906 $6.62 695,984 D F
01 Apr, 2026 Thomas R. Rich Common Stock D 22,538 $6.62 363,635 D F
01 Apr, 2026 Fredrick M. Jr. Ross Common Stock D 39,441 $6.62 540,188 D F
01 Apr, 2026 Christopher J Eperjesy Common Stock D 40,547 $6.62 283,926 D F
01 Apr, 2026 Thomas R. Rich Common Stock D 22,538 $6.62 363,635 D F
01 Apr, 2026 Ryan Mcmonagle Restricted Stock Unit D 81,250 $0.00 81,250 D M
01 Apr, 2026 Thomas R. Rich Restricted Stock Unit D 50,000 $0.00 50,000 D M