HEINBERG MARSHALL A 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
Filed: 4/2/2026ACC: 0001213900-26-039386
Director
Since Apr 2021
+34.60K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
3
Total transactions
82.95K acquired · 48.35K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
+48.35K
Price / share
—
Trade value
—
% of position
13.7%
3/31/2026
352.20K→400.55K
Total
Net shares
+48.35K
Net value
$0.00
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/31/2026 | M · Option Exercise | +48.35K | — | — | 13.7% | 352.20K | 400.55K |
| Total | +48.35K | $0.00 | ||||||
Derivative Transactions2
Restricted Stock Unit
Direct
Converts to
Common Stock
48.35K shares
Shares
−48.35K
Strike price
Held after
0.00
Exercisable
—
3/31/2026
Restricted Stock Unit
Direct
Converts to
Common Stock
34.60K shares
Shares
+34.60K
Strike price
Held after
34.60K
Exercisable
—
4/1/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit Direct | Common Stock48.35K shares | 3/31/2026 | M · Option Exercise | −48.35K | — | 0.00 | |
| Restricted Stock Unit Direct | Common Stock34.60K shares | 4/1/2026 | A · Award | +34.60K | — | 34.60K |
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned120K
Total
120K indirect120K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 120K | Indirect |
| Total | 120K | 120K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported