SEC Form 4
MDB Capital Holdings, LLC (MDBH) insider trading
In the 12 months to Oct 26, 2026, one MDBH insider reported open-market sales of $11.6K across 1 filing; 2 insiders bought $107.7K.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $11.6K
- 1 filing · 1 insider
- Open-market purchases
- $107.7K
- 7 filings
Who traded MDBH, and when
- Purchase
- Sale
MDBH daily close from Oct 27, 2025 to Oct 23, 2026, between $1.72 and $4.44, last $1.72. 1 sale and 7 purchase filings by 3 insiders, marked at their filing dates. Christopher A. Marlett, Co-Founder: bought $54.6K across 4 filings, first filed Dec 31, 2025, last Oct 16, 2026. George Hugh Brandon, President: bought $53.1K across 3 filings, first filed Dec 3, 2025, last Dec 11, 2025. Jeremy William James, CFO: sold $11.6K across 1 filing, first filed Jan 27, 2026, last Jan 27, 2026.
Largest mark · tap a row for others
George Hugh Brandon · President
Filing 1 of 2 within a week · $40,624 total
Purchase $28,995
8,148 shares at $3.56 avg
Filed Dec 3, 2025 · traded Dec 1
Close on filing date $3.64
Christopher A. Marlett · Co-Founder
Co-Founder
$54.6K boughtGeorge Hugh Brandon · President
President
$53.1K boughtJeremy William James · CFO
CFO
$11.6K soldOpen-market trades
8 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Christopher A. Marlett | Co-Founder | — | $54.6K | 4 | — | |
| George Hugh Brandon | President | — | $53.1K | 3 | — | |
| Jeremy William James | CFO | $11.6K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Christopher A. Marlett Co-Founder | Purchase | 917 | $1.93 | $1.8K | 180,850 | |
traded | Christopher A. Marlett Co-Founder | Purchase | 10,000 | $1.99 | $19.9K | 179,933 | |
traded | Jeremy William James CFO | Sale | 3,500 | $3.32 | $11.6K | 23,279 | |
traded | Christopher A. Marlett Co-Founder | Purchase | 1,213 | $3.50 | $4.2K | 169,933 | |
traded | Christopher A. Marlett Co-Founder | Purchase | 8,787 | $3.26 | $28.7K | 166,720 | |
traded | George Hugh Brandon President | Purchase | 3,700 | $3.38 | $12.5K | 105,248 | |
traded | George Hugh Brandon President | Purchase | 3,400 | $3.42 | $11.6K | 101,548 | |
traded | George Hugh Brandon President | Purchase | 8,148 | $3.56 | $29.0K | 98,148 |
GET /stocks/filings/vX/form-4?tickers=MDBH&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"MDBH"
],
"issuer_cik": "0001934642",
"owner_cik": "0000897744",
"accession_number": "0001493152-26-047389",
"form_type": "4",
"filing_date": "2026-10-16",
"period_of_report": "2026-10-15",
"issuer_name": "MDB Capital Holdings, LLC",
"issuer_trading_symbol": "MDBH",
"owner_name": "MARLETT CHRISTOPHER A",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": true,
"is_other": false,
"officer_title": "Co-Founder",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-15",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 917,
"transaction_price_per_share": 1.93,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 180850,
"transaction_value": 1769.81,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "The reported price in Column 4 is an average purchase price. The shares acquired on October 15, 2026 were purchased in multiple transactions at prices ranging from $1.87 to $1.93 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote."
}
]
},
{
"tickers": [
"MDBH"
],
"issuer_cik": "0001934642",
"owner_cik": "0000897744",
"accession_number": "0001493152-26-047198",
"form_type": "4",
"filing_date": "2026-10-15",
"period_of_report": "2026-10-13",
"issuer_name": "MDB Capital Holdings, LLC",
"issuer_trading_symbol": "MDBH",
"owner_name": "MARLETT CHRISTOPHER A",
"is_director": true,
"is_officer": true,
"is_ten_percent_owner": true,
"is_other": false,
"officer_title": "Co-Founder",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-10-13",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 10000,
"transaction_price_per_share": 1.99,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 179933,
"transaction_value": 19900,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 11 records
- Option exercises4 records
- Tax withholding (sold to cover)1 record
- Grants and awards6 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
How current is MDBH’s insider data?
These are MDBH Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for MDBH every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
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