SEC Form 4
RTB Digital, Inc. (RTB) insider trading
In the 12 months to Oct 26, 2026, one RTB insider reported open-market purchases of $288.4K across 2 filings; no open-market sales were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $0
- 0 filings · 0 insiders
- Open-market purchases
- $288.4K
- 2 filings · Jason Christopher Dorsett, 10% owner
Who traded RTB, and when
- Purchase
RTB daily close from May 13, 2026 to Oct 26, 2026, between $3.35 and $19.28, last $7.95. 0 sale and 2 purchase filings by 1 insider, marked at their filing dates. Jason Christopher Dorsett, 10% owner: bought $288.4K across 2 filings, first filed Sep 21, 2026, last Sep 23, 2026.
Largest mark · tap a row for others
Jason Christopher Dorsett · 10% owner
Filing 1 of 2 within a week · $288,360 total
Purchase $196,840
19,000 shares at $10.36 avg
Filed Sep 21, 2026 · traded Sep 17
Close on filing date $8.44
Jason Christopher Dorsett · 10% owner
10% owner
$288.4K boughtOpen-market trades
2 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Jason Christopher Dorsett | 10% owner | — | $288.4K | 2 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Jason Christopher Dorsett 10% owner | Purchase | 11,000 | $8.32 | $91.5K | 4,204,028 | |
traded | Jason Christopher Dorsett 10% owner | Purchase | 19,000 | $10.36 | $196.8K | 4,193,028 |
GET /stocks/filings/vX/form-4?tickers=RTB&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"RTB"
],
"issuer_cik": "0001419275",
"owner_cik": "0002146263",
"accession_number": "0002146263-26-000005",
"form_type": "4",
"filing_date": "2026-09-23",
"period_of_report": "2026-09-21",
"issuer_name": "RTB Digital, Inc.",
"issuer_trading_symbol": "RTB",
"owner_name": "Dorsett Jason Christopher",
"is_director": false,
"is_officer": false,
"is_ten_percent_owner": true,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-21",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 11000,
"transaction_price_per_share": 8.32,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 4204028,
"transaction_value": 91520,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
},
{
"tickers": [
"RTB"
],
"issuer_cik": "0001419275",
"owner_cik": "0002146263",
"accession_number": "0002146263-26-000003",
"form_type": "4",
"filing_date": "2026-09-21",
"period_of_report": "2026-09-17",
"issuer_name": "RTB Digital, Inc.",
"issuer_trading_symbol": "RTB",
"owner_name": "Dorsett Jason Christopher",
"is_director": false,
"is_officer": false,
"is_ten_percent_owner": true,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-17",
"transaction_code": "P",
"equity_swap_involved": false,
"transaction_shares": 19000,
"transaction_price_per_share": 10.36,
"transaction_acquired_disposed": "A",
"shares_owned_following_transaction": 4193028,
"transaction_value": 196840,
"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) · 2 records
- Option exercises1 record
- Other1 record
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 RTB’s insider data?
These are RTB 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.
Build with AI
Track RTB insider trades with your agent
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 RTB 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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