MADDEN LARRY sold $390K of DSP

MADDEN LARRY (Chief Financial Officer) sold 31,644 shares of Viant Technology Inc. (DSP) at an average of $12.33 ($12.10–$12.52, $0.39M total) across 2 trades over 2026-09-16 to 2026-09-18 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · MADDEN LARRY
Published Sep 19, 2026, 12:37 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 19, 2026, 1:05 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 disclosed sale is routine and unlikely to affect DSP's stock price.

02

Market read

Minor insider sale with limited market impact.

03

What to watch

Potential future insider sales if stock continues to rise.

Relevance 3/10Novelty 4/10Timing: filed 2026-09-18

Background

Form 4 filing discloses insider transactions; used by traders to gauge insider sentiment.

Company-level read

Ticker impact

$DSPNeutralHigh confidence
Context

CFO Larry Madden sold 31,644 shares for $390K via a 10b5-1 plan.

Expected impact

No significant impact

Evidence & confidence

Sale size is small relative to float and disclosed via routine filing.

Market effects

None

None

None

Counterpoint

Sale could signal CFO's view on overvaluation, but size is too small to matter.

Key entities

  • Viant Technology Inc.

    Issuer of the Form 4 filing.

  • Larry Madden

    Chief Financial Officer of Viant Technology.

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

Med

Viant net income drops 49% in record quarter as revenue gains 29%

Viant Technology reported Q3 2026 revenue up 29% to $110.4M, but net income fell 49% to $2.6M. Contribution ex-TAC and adjusted EBITDA beat guidance. The company acquired Waymark for $20M and expanded integrations with AI platforms. Healthcare and public services drove growth, with CTV spend exceeding 50% of total platform spend.

Med

Viant Technology (DSP) Q3 2026 Earnings Call Transcript

Viant Technology (DSP) reported Q3 2026 earnings with revenue up 29% YoY, exceeding guidance. CTV advertiser spend rose 40% YoY. Adjusted EBITDA increased 24% to $19.8M. The company acquired Waymark, a generative AI video platform, to enhance CTV ad capabilities. Viant's proprietary intelligence and AI solutions drove growth across verticals.

$DSPMed

Viant Technology Inc (DSP) (Q3 2026) Earnings Call Highlights: Revenue Surges 29% as CTV

Viant Technology (DSP) reported Q3 2026 revenue of $110.4M, up 29% YoY, exceeding guidance. CTV advertiser spend grew 40% YoY, contributing over 50% of total platform spend. Adjusted EBITDA rose 24% to $19.8M. The company acquired Waymark for AI video creative production, but open internet traffic decline and slow TVision adoption were noted as risks. Q4 guidance projects revenue of $130.5M-$133.5M, up 20% at midpoint.

$DSPMed

Viant Technology Q3 Earnings Call Highlights

Viant Technology reported a 41% rise in spending enabled by IRIS Content ID. Its autonomous advertising product, Outcomes, was used by over 10% of advertisers, with top 10 advertisers allocating 26% of their spending to it. The company integrated its platform with AI interfaces and launched TVision Mobile Meter. Viant forecasted Q4 revenue of $130.5M-$133.5M and adjusted EBITDA of $31M-$32M. It also increased its share repurchase authorization by $50M.

$DSPMed

Viant Q3 2026 slides: CTV surge drives record revenue, margins

Viant Technology (DSP) reported Q3 2026 revenue of $110.4M, up 29% YoY, with adjusted EBITDA of $19.8M (29% margin). CTV demand drove growth, with CTV spend exceeding 50% of total advertiser spend. Shares rose 9.3% pre-market but fell 7.1% after-hours. Q4 guidance projects $132M revenue (20% YoY growth) and $31.5M adjusted EBITDA (39% margin).

$DSPHigh

Viant Technology Announces Third Quarter 2026 Financial Results

Viant Technology Inc. (DSP) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 Viant Technology Announces Third Quarter 2026 Financial Results Revenue increased 29% year-over-year Gross profit increased 30% year-over-year Contribution ex-TAC increased 27% year-over-year Adjusted EBITDA increased 24% year-over-year Increased share repurchase aut