EIN MARK

PrivateCIK: 1246840
Location

MCCLEAN, VA

EIN MARK exercised options at CUSTOM TRUCK ONE SOURCE, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderEIN MARKCIK 1246840
Director10% Owner
Since Jul 2019
+19.23K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
3
Total transactions
46.08K acquired · 26.86K disposed
Non-Derivative Transactions1

Common Stock

Direct
M · Option Exercise

Shares

+26.86K

Price / share

Trade value

% of position

0.5%
3/31/2026
5.14M5.17M
Total

Net shares

+26.86K

Net value

$0.00

Derivative Transactions2

Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock

26.86K shares

Shares

26.86K

Strike price

Held after

0.00

Exercisable

3/31/2026

Restricted Stock Unit

Direct
A · Award
Converts to

Common Stock

19.23K shares

Shares

+19.23K

Strike price

Held after

19.23K

Exercisable

4/1/2026
EIN MARK — Insider Transaction (Form 4) Filed Apr 2, 2026 | Finecho