Christopher A. Marlett
CEO at MDB Capital Holdings LLC
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: MDB Capital Holdings LLC, 3 years.
Chief executive roles
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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MDB Capital Holdings LLC December 2, 202599.7%
-
eXoZymes Inc. July 25, 202599.5%
-
MDB Capital Holdings LLC December 10, 202499.8%
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 |
|---|---|---|---|---|---|
| Jan 2, 2026 | MDB Capital Holdings LLC | Open-market purchase | +1,213 | $3.50 | $4,246 |
| Dec 31, 2025 | MDB Capital Holdings LLC | Open-market purchase | +4,387 | $3.35 | $14,696 |
| Dec 30, 2025 | MDB Capital Holdings LLC | Open-market purchase | +4,400 | $3.18 | $13,992 |
| Oct 6, 2025 | MDB Capital Holdings LLC | Open-market purchase | +1,725 | $3.41 | $5,882 |
| Oct 3, 2025 | MDB Capital Holdings LLC | Open-market purchase | +2,275 | $3.35 | $7,621 |
| Aug 29, 2025 | MDB Capital Holdings LLC | Open-market purchase | +1,645 | $3.52 | $5,790 |
| Aug 28, 2025 | MDB Capital Holdings LLC | Open-market purchase | +1,575 | $3.56 | $5,607 |
| Aug 27, 2025 | MDB Capital Holdings LLC | Open-market purchase | +1,288 | $3.40 | $4,379 |
| Aug 26, 2025 | MDB Capital Holdings LLC | Open-market purchase | +1,414 | $3.35 | $4,737 |
| Aug 25, 2025 | MDB Capital Holdings LLC | Open-market purchase | +1,232 | $3.31 | $4,078 |
| Aug 22, 2025 | MDB Capital Holdings LLC | Open-market purchase | +1,200 | $3.33 | $3,996 |
| Aug 21, 2025 | MDB Capital Holdings LLC | Open-market purchase | +1,200 | $3.45 | $4,140 |
| Jul 14, 2025 | MDB Capital Holdings LLC | Open-market purchase | +100 | $4.42 | $442 |
| Jun 26, 2025 | MDB Capital Holdings LLC | Open-market purchase | +22 | $4.50 | $99 |
| Jun 25, 2025 | MDB Capital Holdings LLC | Open-market purchase | +2 | $4.50 | $9 |
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