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CM

Christopher A. Marlett

MDBH
CO-FOUNDER · MDB CAPITAL HOLDINGS, LLC · CIK 0000897744
FILING MIX · LIFETIME97%/3%
BUYS
32
SELLS
1
TOTAL VALUE
$464.3K
COMPANIES
2
ACTIVE SINCE
Jan 2020
HOLDINGS NOW
1,008,000
AVG SELL PX
—
TRADE KIND
SHOWING 33 / 33
Trades · vs SPY
Loading price series…
Performance · forward returns vs SPY
27 backtested trades · 8 horizons · 40 pendingHow are these numbers computed? →
Forward-return performance of every backtestable P/S trade by Christopher A. Marlett, measured at 8 horizons from 7 days to 2 years. Deduped per economic event so co-filings count once. Excess return = trade return minus SPY return over the same window.
HORIZONTRADESWIN RATEINSIDER RETURNSPY RETURNMEAN EXCESSMEDIAN EXCESST-STAT
7d27+74.07%+3.45%+0.67%+2.78%+3.00%—
14d27+96.30%+9.59%+1.61%+7.99%+7.22%—
30d27+74.07%+5.55%+3.47%+2.08%+2.87%—
60d27+55.56%+1.05%+5.16%-4.11%-3.45%—
90d27+22.22%-7.62%+5.62%-13.25%-8.99%—
180d27+0.00%-11.85%+9.87%-21.71%-21.16%—
1y27(13 pending)+14.29%-21.51%+22.37%-51.24%-53.48%—
2y27(27 pending)——————
How to read this: Insider Returnis the average raw return of the filer's trades over the horizon. SPY Return is what SPY did over those same windows — reference only, not a comparison. The headline alpha number is Mean Excess = Insider − SPY; green means the filer beat SPY, red means they trailed it. Win rate is the share of individual trades where the filer beat SPY. T-statvalues above 2 mean the alpha is unlikely to be chance given the sample size. "Pending" counts trades where the horizon hasn't elapsed yet; their stats are not included in the row average.
Holdings over time
MDBH · 1,000,000 shares · as of May 1, 2026
0250,000500,000750,0001,000,00020252026SHARES HELD
Trading cadence · quarterly flow
BUY ● SELL ●
2020
2020
2020
2020
2021
2021
2021
2021
2022
2022
2022
2022
2023
2023
2023
2023
2024
2024
2024
2024
2025
2025
2025
2025
2026
2026
FLOW · 32 buys / 1 sellsCOVERAGE · 26 quarters
Form 4 filings · all activity
COMPANYTYPESHARESPRICEVALUEHELD AFTERTRADE DATEFILEDDETAILS
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASEGRANT
Stock grant
100,000——1,000,000May 1, 2026May 4, 2026 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,213$3.50$4.2K169,933Jan 2, 2026Jan 5, 2026 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
4,387$3.35$14.7K166,720Dec 31, 2025Dec 31, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
4,400$3.18$14.0K162,333Dec 30, 2025Dec 31, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,725$3.41$5.9K157,933Oct 6, 2025Oct 7, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
2,275$3.35$7.6K156,208Oct 3, 2025Oct 7, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,645$3.52$5.8K153,933Aug 29, 2025Aug 29, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,575$3.56$5.6K152,288Aug 28, 2025Aug 29, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,288$3.40$4.4K150,713Aug 27, 2025Aug 27, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,414$3.35$4.7K149,425Aug 26, 2025Aug 27, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,232$3.31$4.1K148,011Aug 25, 2025Aug 27, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,200$3.33$4.0K146,779Aug 22, 2025Aug 22, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,200$3.45$4.1K145,579Aug 21, 2025Aug 22, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
100$4.42$442144,379Jul 14, 2025Jul 15, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
22$4.50$99144,279Jun 26, 2025Jun 26, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
2$4.50$9144,257Jun 25, 2025Jun 26, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
20$4.46$89144,255Jun 24, 2025Jun 26, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
677$4.12$2.8K144,235Jun 23, 2025Jun 24, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
888$4.13$3.7K143,558Jun 20, 2025Jun 24, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
635$4.04$2.6K142,670Jun 18, 2025Jun 20, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,280$3.88$5.0K142,035Jun 12, 2025Jun 13, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,270$3.83$4.9K140,755Jun 11, 2025Jun 13, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,282$3.91$5.0K139,485Jun 10, 2025Jun 11, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
13$3.83$50138,203Jun 9, 2025Jun 11, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,327$3.95$5.2K138,190Jun 2, 2025Jun 2, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,305$3.90$5.1K136,863May 30, 2025Jun 2, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,300$3.69$4.8K135,558May 29, 2025May 30, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
Co-Founder
1,275$3.90$5.0K134,258May 28, 2025May 30, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
SALE
Co-Founder
900,000——0Apr 28, 2025Apr 29, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASEGRANT
Stock grant
900,000——900,000Apr 28, 2025Apr 29, 2025 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
CEO
50,000$6.81$340.5K129,993Oct 21, 2024Dec 20, 2024 ↗View →
MDBH
MDB CAPITAL HOLDINGS, LLC
PURCHASE
CEO
50,000——400,000Oct 21, 2024Dec 20, 2024 ↗View →
CUE
CUE BIOPHARMA, INC.
PURCHASEGRANT
Stock grant
8,000——8,000Jan 2, 2020Jan 6, 2020 ↗View →
Other insiders · MDBH
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About this filer
CIK 0000897744
ROLE
Co-Founder
PRIMARY
MDBH
COMPANIES
2
ACTIVE SINCE
Jan 2020
MARKETPEEL · /INSIDER/0000897744DATA · SEC EDGAR · FORM 4 · CONSOLIDATED TAPE
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