Vanderhook Timothy sold (to issuer) 12,500 shares of DSP (indirect holdings)

Vanderhook Timothy (CEO and Chairman) sold (to issuer) 12,500 indirectly-held shares of Viant Technology Inc. (DSP) on 2026-07-21 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Vanderhook Timothy
Published Jul 24, 2026, 1:54 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jul 24, 2026, 2:00 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
high 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 disclosure updates the insider’s holdings (post-transaction 9,069,775 shares) but provides no new operational, financial, or regulatory information.

02

Market read

Primarily a compliance disclosure; likely limited incremental information for traders beyond monitoring insider activity.

03

What to watch

Because the sale price and total value are not disclosed, the economic magnitude cannot be assessed, limiting trading usefulness.

Relevance 3/10Novelty 3/10Timing: SEC Form 4 filed 2026-07-23 for a 2026-07-21 sale to issuer.

Background

This is an SEC Form 4 insider transaction by Viant Technology’s CEO and Chairman, reported as an indirect sale to the issuer under a pre-arranged 10b5-1 plan.

Company-level read

Ticker impact

$DSPNeutralHigh confidence
Context

Viant Technology CEO and Chairman Vanderhook Timothy sold 12,500 shares to the issuer under a pre-arranged 10b5-1 plan.

Expected impact

Low near-term impact; any effect is likely limited to short-term sentiment rather than valuation.

Evidence & confidence

The filing is a Form 4 insider transaction with sale price not disclosed and explicitly tied to a pre-arranged 10b5-1 plan, which typically reduces interpretive signal.

Market effects

No clear sector read-through from a single routine insider sale.

None indicated.

None indicated.

Counterpoint

Even 10b5-1 sales can coincide with internal liquidity needs; if repeated, it could modestly pressure sentiment.

Key entities

  • Viant Technology Inc.

    Subject of the Form 4 insider transaction; ticker DSP.

  • Vanderhook Timothy

    CEO and Chairman, reported sale to issuer of 12,500 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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