Custom Truck One Source, Inc. (CTOS) has 20 known insider and institutional holders on record. The largest holder is PLATINUM EQUITY, LLC with 156,743,635 shares. Other notable holders include PE One Source Holdings, LLC and PLATINUM EQUITY LLC.
Over the last 12 months, insiders have made 30 transactions in CTOS stock — 18 buys (valued at RSU Award) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
CTOS Insider Ownership
Top Holder
PLATINUM EQUITY, LLC
156,743,635 shares
Buys (12 mo)
18
$0.00 value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Platinum Equity, Llc |
10 Percent Owner |
156,743,635 |
2025-02-03 |
|
| 2 |
Pe One Source Holdings, Llc |
10 Percent Owner |
156,743,635 |
2025-02-03 |
|
| 3 |
Platinum Equity Llc |
10 Percent Owner |
148,600,000 |
2021-04-05 |
|
| 4 |
Platinum Equity Capital Partners V, L.p. |
10 Percent Owner |
34,298,418 |
2021-04-02 |
|
| 5 |
Nesco Holdings Gp, Llc |
10 Percent Owner |
26,160,638 |
2019-08-01 |
|
| 6 |
Ecp Cardinal Holdings, Lp |
10 Percent Owner |
25,859,767 |
2021-12-29 |
|
| 7 |
Ecp Controlco, Llc |
10 Percent Owner |
23,384,879 |
2024-09-09 |
|
| 8 |
Nesco Holdings, Lp |
10 Percent Owner |
23,384,879 |
2024-09-09 |
|
| 9 |
Jacobson Lee |
CEO |
262,993 |
2020-05-14 |
|
| 10 |
Eperjesy Christopher J |
Chief Financial Officer |
234,473 |
2026-03-26 |
|
| 11 |
Boone Joshua A |
Chief Financial Officer |
216,900 |
2020-06-18 |
|
| 12 |
Ross Fredrick M. Jr. |
Director |
87,500 |
2026-04-03 |
|
| 13 |
Mcmonagle Ryan |
Chief Executive Officer |
81,250 |
2026-04-03 |
|
| 14 |
Meader Brad |
Chief Financial Officer |
75,336 |
2022-04-05 |
|
| 15 |
Haubenreich Adam G. |
VP and General Counsel |
62,500 |
2023-04-04 |
|
| 16 |
Rich Thomas R. |
President - Rentals |
50,000 |
2026-04-03 |
|
| 17 |
Ross Joe P. |
President - Sales |
50,000 |
2026-04-03 |
|
| 18 |
Heinberg Marshall |
Director |
48,346 |
2025-04-02 |
|
| 19 |
Haubenreich Adam P. |
VP and General Counsel |
45,000 |
2021-04-05 |
|
| 20 |
Heinberg Marshall A |
Director |
34,605 |
2026-04-02 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Rich Thomas R. |
President - Rentals |
Option Exercise (Sell) |
50,000 |
- |
- |
| 2026-04-01 |
Ross Joe P. |
President - Sales |
Option Exercise (Sell) |
50,000 |
- |
- |
| 2026-04-01 |
Mcmonagle Ryan |
Chief Executive Officer |
Option Exercise (Sell) |
81,250 |
- |
- |
| 2026-04-01 |
Ross Fredrick M. Jr. |
Director |
Option Exercise (Sell) |
87,500 |
- |
- |
| 2026-04-01 |
Jolas Paul M |
EVP, General Counsel & Sec. |
Option Exercise (Sell) |
16,875 |
- |
- |
| 2026-04-01 |
Eperjesy Christopher J |
Chief Financial Officer |
Option Exercise (Sell) |
22,500 |
- |
- |
| 2026-04-01 |
Jackson Mary M. |
Director |
RSU Award |
19,225 |
- |
- |
| 2026-03-31 |
Jackson Mary M. |
Director |
Option Exercise (Sell) |
26,859 |
- |
- |
| 2026-04-01 |
Bader Paul T |
Director |
RSU Award |
19,225 |
- |
- |
| 2026-03-31 |
Bader Paul T |
Director |
Option Exercise (Sell) |
26,859 |
- |
- |
| 2026-04-01 |
Heinberg Marshall A |
Director |
RSU Award |
34,605 |
- |
- |
| 2026-03-31 |
Heinberg Marshall A |
Director |
Option Exercise (Sell) |
48,346 |
- |
- |
| 2026-04-01 |
Ein Mark |
Director |
RSU Award |
19,225 |
- |
- |
| 2026-03-31 |
Ein Mark |
Director |
Option Exercise (Sell) |
26,859 |
- |
- |
| 2026-04-01 |
Nelson Georgia R |
Director |
RSU Award |
19,225 |
- |
- |
| 2026-03-31 |
Nelson Georgia R |
Director |
Option Exercise (Sell) |
26,859 |
- |
- |
| 2026-02-23 |
Rich Thomas R. |
President - Rentals |
RSU Award |
24,796 |
- |
- |
| 2026-02-23 |
Ross Joe P. |
President - Sales |
RSU Award |
24,796 |
- |
- |
| 2026-02-23 |
Mcmonagle Ryan |
Chief Executive Officer |
RSU Award |
40,292 |
- |
- |
| 2026-02-23 |
Ross Fredrick M. Jr. |
Director |
RSU Award |
43,392 |
- |
- |
| 2026-02-23 |
Jolas Paul M |
EVP, General Counsel & Sec. |
RSU Award |
16,739 |
- |
- |
| 2026-02-23 |
Eperjesy Christopher J |
Chief Financial Officer |
RSU Award |
27,895 |
- |
- |
| 2025-10-17 |
Ein Mark |
Director |
Other (Sell) |
3,670,279 |
- |
- |
| 2025-04-28 |
Rich Thomas R. |
President - Rentals |
RSU Award |
100,000 |
- |
- |
| 2025-04-28 |
Ross Joe P. |
President - Sales |
RSU Award |
100,000 |
- |
- |