Updated Jul 16, 2026
MARLETT CHRISTOPHER A has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $80K. Historical track record: 3/5 stars across 13 tracked purchases.

Christopher A. Marlett is the CEO and Co-Founder of MDB Capital Holdings, LLC, an investment holding company focused on early-stage technology companies. He has held various roles within the company, including Director and 10% Owner.
| Role | Co-Founder, Director, 10% Owner |
|---|---|
| Notability | 30/100 |
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★★☆☆ (3/5) |
|---|---|
| Total purchases tracked | 13 |
| Purchases with forward-return data | 13 |
| 30-day win rate | 7692% |
| 90-day win rate | 5385% |
| Avg 5-day return | +286.57% |
| Avg 30-day return | +165.14% |
| Avg 90-day return | -221.71% |
| Best 30-day return | +1087.09% |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-01-06 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 1.2K | $3.50 | $4K |
| 2025-12-31 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 4.4K | $3.35 | $15K |
| 2025-12-31 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 4.4K | $3.18 | $14K |
| 2025-10-03 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 1.7K | $3.41 | $6K |
| 2025-10-03 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 2.3K | $3.35 | $8K |
| 2025-08-28 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 1.6K | $3.52 | $6K |
| 2025-08-28 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 1.6K | $3.56 | $6K |
| 2025-08-25 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 1.3K | $3.40 | $4K |
| 2025-08-25 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 1.4K | $3.35 | $5K |
| 2025-08-25 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 1.2K | $3.31 | $4K |
| 2025-08-21 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 1.2K | $3.33 | $4K |
| 2025-08-21 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 1.2K | $3.45 | $4K |
| 2025-07-14 | MDBH | MDB Capital Holdings, LLC | P — Open-market purchase | 100 | $4.42 | $442 |
| 2024-12-20 | MDBH | MDB Capital Holdings, LLC | M — Option exercise | 50.0K | $6.81 | $340K |
Christopher A. Marlett is the CEO and Co-Founder of MDB Capital Holdings, LLC, an investment holding company focused on early-stage technology companies. He has held various roles within the company, including Director and 10% Owner.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 13 open-market purchases ($80K) and 0 open-market sales () across all tracked filings.
Across 13 tracked purchases, MARLETT CHRISTOPHER A averaged +165.1% avg 30-day return with a 7692% 30-day win rate. InsiderAlpha rates the track record at 3/5 stars.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live MARLETT CHRISTOPHER A profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.