Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Custom Truck One Source Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Custom Truck One Source Inc. June 13, 202488.8%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 31, 2026 | Custom Truck One Source Inc. | Option exercise | +48,346 | — | — |
| Mar 31, 2025 | Custom Truck One Source Inc. | Option exercise | +39,993 | — | — |
| Jun 14, 2024 | Custom Truck One Source Inc. | Open-market purchase | +10,000 | $4.34 | $43,400 |
| May 7, 2024 | Custom Truck One Source Inc. | Open-market purchase | +40,000 | $4.07 | $162,800 |
| Mar 31, 2024 | Custom Truck One Source Inc. | Option exercise | +33,552 | — | — |
| Nov 10, 2023 | Custom Truck One Source Inc. | Open-market purchase | +15,000 | $4.79 | $71,850 |
| Nov 10, 2023 | Custom Truck One Source Inc. | Open-market purchase | +15,000 | $4.79 | $71,850 |
| May 15, 2023 | Custom Truck One Source Inc. | Open-market purchase | +311 | $6.48 | $2,015 |
| May 15, 2023 | Custom Truck One Source Inc. | Open-market purchase | +20,000 | $6.53 | $130,600 |
| May 12, 2023 | Custom Truck One Source Inc. | Open-market purchase | +19,689 | $6.42 | $126,403 |
| Mar 31, 2023 | Custom Truck One Source Inc. | Option exercise | +25,767 | — | — |
Questions about Marshall Heinberg
What boards is Marshall Heinberg on?
Marshall Heinberg sits on the board of Custom Truck One Source Inc.
How long has Marshall Heinberg served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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