MADDEN LARRY sold $390K of DSP

MADDEN LARRY (Chief Financial Officer) sold 30,519 shares of Viant Technology Inc. (DSP) at an average of $12.77 ($12.69–$12.86, $0.39M total) across 3 trades over 2026-07-06 to 2026-07-08 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · MADDEN LARRY
Published Jul 9, 2026, 12:41 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jul 9, 2026, 1:01 AM 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
$DSP
Neutral
medium confidence
Mentioned
$DSP
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$DSPNeutralLow
01

Why it matters

The newest concrete fact is the CFO’s open-market sale details and the confirmation that it was executed under a pre-arranged 10b5-1 plan.

02

Market read

This provides a transparent datapoint on insider selling activity, but the 10b5-1 structure limits interpretability for fundamental direction.

03

What to watch

Traders may over-weight insider sales; the key differentiator is whether there are concurrent buys or other fundamental disclosures, which are not present here.

Relevance 3/10Novelty 3/10Timing: SEC Form 4 filed 2026-07-08, covering sales from 2026-07-06 to 2026-07-08.

Background

The article is an SEC Form 4 insider transaction disclosure for Viant Technology Inc. (DSP).

Company-level read

Ticker impact

$DSPNeutralMedium confidence
Context

Form 4 shows CFO MADDEN LARRY sold 30,519 shares of Viant Technology (DSP) for about $389,773 under a 10b5-1 plan.

Expected impact

Low likelihood of a sustained price move; any reaction is likely short-lived and sentiment-driven.

Evidence & confidence

The filing is a primary SEC Form 4 disclosure, but it is explicitly under a pre-arranged 10b5-1 plan and the transaction size is modest relative to typical large-cap flows.

Market effects

No direct sector read-through; this is company-specific insider trading disclosure.

None indicated.

None indicated.

Counterpoint

Because it is a 10b5-1 plan, the sale may be purely mechanical and not a bearish signal.

Key entities

  • Viant Technology Inc.

    Subject of the Form 4 insider transaction disclosure.

  • MADDEN LARRY

    Chief Financial Officer who sold shares under a 10b5-1 plan.

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.

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