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SEC EDGARSEP 31 min read$MGNI

Buonasera David sold $152K of MGNI

Buonasera David (CHIEF TECHNOLOGY OFFICER) sold 6,414 shares of MAGNITE, INC. (MGNI) at an average of $23.68 ($23.42–$25.00, $0.15M total) across 2 trades over 2026-09-01 to 2026-09-02 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Buonasera David
Published Sep 3, 2026, 8:56 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 3, 2026, 11:27 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.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
$MGNI
Neutral
medium confidence
Mentioned
$MGNI
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MGNINeutralLow
01

Why it matters

The disclosed sale is routine and unlikely to move the stock significantly.

02

Market read

Routine insider sale with limited trading relevance.

03

What to watch

Potential future insider purchases or other corporate actions not disclosed here.

Relevance 3/10Novelty 4/10Timing: filed Sep 3, 2026

Background

Form 4 filing reports insider transactions; MGNI is a US‑listed mining company.

Company-level read

Ticker impact

$MGNINeutralMedium confidence
Context

Chief Technology Officer sold 6,414 shares for $151,864 via a pre‑arranged 10b5‑1 plan.

Expected impact

likely negligible short‑term pressure on the stock.

Evidence & confidence

The sale amount (~$152K) is small relative to market cap; 10b5‑1 plan suggests planned execution, not a reaction to new information.

Market effects

Sector

Minimal effect on the mining and metals sector.

Regional

No discernible regional impact.

Global

Limited to investors tracking insider activity.

Counterpoint

What could challenge this read

The sale could be interpreted as a lack of confidence, but size is too small to be material.

Key entities

  • Officer
    Buonasera David

    Chief Technology Officer of Magnite, Inc.

Read at source← All news

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.

MGNI insider trading history →

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