$RTB

Dorsett Jason Christopher purchased $197K of RTB

Dorsett Jason Christopher purchased 19,000 shares of RTB Digital, Inc. (RTB) at $10.36 ($0.20M total) on 2026-09-17.

Original reporting
SEC EDGAR · Dorsett Jason Christopher
Published Sep 21, 2026, 4:53 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 21, 2026, 4:57 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$RTB
Bullish
medium confidence
Mentioned
$RTB
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$RTBBullishLow
01

Why it matters

The disclosed purchase adds to insider confidence but is small in absolute terms, likely yielding limited market reaction.

02

Market read

Minor insider buying; may cause slight short-term price uptick but overall low market relevance.

03

What to watch

Potential upcoming dilution or secondary offering could offset buying pressure.

Relevance 5/10Novelty 4/10Timing: filed today

Background

RTB Digital, Inc. is a publicly traded digital advertising company. Insider ownership changes are disclosed via Form 4 filings.

Company-level read

Ticker impact

$RTBBullishMedium confidence
Context

Form 4 shows insider Dorsett Jason Christopher bought 19,000 shares for $196,840, increasing his stake to over 4 million shares.

Expected impact

Potential slight upside in short term as market digests insider buying.

Evidence & confidence

Purchase size is modest relative to market cap, but insider is a 10% owner, indicating confidence.

Market effects

Minimal impact on the digital advertising sector.

No significant regional effect.

Limited to RTB shareholders.

Counterpoint

Insider purchase may be routine portfolio rebalancing, not a strong buy signal.

Key entities

  • RTB Digital, Inc.

    Issuer of the Form 4 filing.

  • Dorsett Jason Christopher

    10% owner who purchased shares.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$RTBHighAI 9/10

RTB Digital, Inc.: Roundtable Secures 10-Year, $1 Billion Agreement, Bringing its AI/DeFi Media Operating System to Global Scale and Profitability

Roundtable (RTB) announced a 10-year, $1 billion deal with Paradium.AI (PAAI) to migrate PAAI's media portfolio onto RTB's AI/DeFi MediaOS. RTB expects $100 million annual revenue and EBITDA positivity, with 100 million monthly consumers. The partnership aims to reduce costs, increase profits, and provide global scale for media brands.

$RTBMed

2026 - 06 - 22 | Roundtable Launches Real - Time, AI / DeFi Payment Platform | NDAQ: RTB

Roundtable (NASDAQ: RTB) said it launched real-time onchain ad-payment infrastructure for professional publishers, enabling nearly 200 publishers to receive USDC as soon as ad revenue is earned. Coinbase will provide wallet support and USDC payment rails via Coinbase Prime. The company says its Media Liquidity Pool and smart-wallet network settle transactions instantly and record them on-chain.