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Insider Buy ·Filed Sep 21, 2026

RTB

RTB Digital, Inc.
BULLISH
Impact 5/10
Horizonweeks Processed1mo ago SEC0002146263-26-000003
Insider cluster: 1 insiders, $197K total
Actionable Insight ▲ Bullish

The material agreement disclosed in the 8-K has not been detailed — watch for further disclosure or a press release describing the terms and counterparty. The insider's conviction buy at $10.36 sets a floor for sentiment.

DirectionBullish
Confidencemedium
Horizonweeks
Latest settled — T+20d
RTB ▼ -10.90% at T+20d
LONG call ✗ call lost -10.90% · α vs SPY -9.99% · entry $8.44 → $7.52
Next anchor: T+60d in 7w
Latest observation: T+24 +23.55% FF3 residual α
Entry = T+0 close
Sep 21, 2026
via day close
T+1d
+13.15%
call +13.15% · α +13.17%
$9.55
settled 5w ago
T+5d
+10.90%
call +10.90% · α +11.92%
$9.36
settled 28d ago
T+20d
-10.90%
call -10.90% · α -9.99%
$7.52
settled 7d ago
T+60d
Pending
in 7w

Price Chart

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Executive Summary

10% owner Jason Christopher Dorsett purchased $197K of RTB stock on the open market on 2026-09-17, three days after the company entered into a material agreement (8-K filed 2026-09-18). This insider buy is a bullish signal, especially given the proximity to a material corporate event, suggesting the insider may have been informed of positive developments.

Key Financial Metrics

Direction
buying
Total Value
$197.0K
Insiders
1

Key Facts

  • 10% owner Jason Christopher Dorsett bought 19,000 shares at $10.36 for a total of $197,000 on 2026-09-17.
  • The purchase was an open-market transaction (SEC Form 4, code P).
  • RTB filed an 8-K on 2026-09-18 disclosing entry into a material definitive agreement on 2026-09-14.
  • The insider buy occurred three days after the agreement date, suggesting potential informed trading.

Financial Impact

$197,000 open-market purchase by a 10% owner

insider ownershipmarket confidence

Risk Factors

  • The material agreement's terms are unknown — could be dilutive or non-transformative.
  • The insider is a 10% owner, not a C-suite executive, so the signal is slightly weaker than a CEO/CFO buy.

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
INSIDER-BUY Data (Synthetic)0002146263-26-000003
17 reports for RTB
Performance horizon
67% Hit rate @ T+5 2 of 3 directional calls Went positive at some point 3 of 3 best @ T+1▲ +13.15%Sep 18, 2026
Filters
Rows
Reports for RTB — sortable, filterable
TypeNow
Oct 6, 2026
20d ago
8-K
NEUTRAL ★ 4/10
$8.73 $7.62▼ −12.71%▼ −12.58%$7.50 (−14.09%)
Oct 2, 2026
24d ago
8-K
NEUTRAL ★ 4/10
$8.89 $8.09▼ −9.00%▼ −9.42%$7.50 (−15.64%)
Sep 23, 2026
4w ago
SC 13D/A
NEUTRAL ★ 4/10
$9.84 $8.86▼ −9.96%▼ −9.28%$7.50 (−23.78%)
Sep 23, 2026
4w ago
Insider Buy
BULLISH ★ 6/10
$9.84 $8.86▼ −9.96%▼ −9.28%$7.50 (−23.78%)
Sep 22, 2026
4w ago
8-K
BEARISH ★ 6/10
$9.84 $8.86▲ +9.96%▲ +9.28%$7.50 (+23.78%)
Sep 22, 2026
4w ago
8-K
NEUTRAL ★ 5/10
$9.55 $9.43▼ −1.26%▼ −0.07%$7.50 (−21.47%)
Sep 21, 2026
5w ago
SC 13D/A
NEUTRAL ★ 5/10
$8.44 $9.36▲ +10.90%▲ +11.92%$7.50 (−11.14%)
Sep 21, 2026
5w ago
Insider Buy
BULLISH ★ 5/10
$8.44 $9.36▲ +10.90%▲ +11.92%$7.50 (−11.14%)
Sep 18, 2026
5w ago
8-K
BULLISH ★ 7/10
$8.44 $9.36▲ +10.90%▲ +11.92%$7.50 (−11.14%)
Sep 18, 2026
5w ago
8-K
NEUTRAL ★ 3/10
$8.02 $10.27▲ +28.05%▲ +26.79%$7.50 (−6.48%)
Showing 10 of 17

US Market Status

Market Closed — Opens Tue (16h 2m)

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Report published Sep 21, 2026