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SEC EDGARSEP 161 min read$MGNI

Buonasera David sold $28K of MGNI

Buonasera David (CHIEF TECHNOLOGY OFFICER) sold 1,165 shares of MAGNITE, INC. (MGNI) at $24.00 on 2026-09-14 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Buonasera David
Published Sep 16, 2026, 8:23 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 16, 2026, 8:30 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
high confidence
Mentioned
$MGNI
Relevance
2/10
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 affect MGNI's valuation.

02

Market read

Minor insider sell with limited market impact.

03

What to watch

Potential upcoming corporate actions or stock performance that prompted liquidity need.

Relevance 2/10Novelty 4/10Timing: filed Sep 16

Background

Form 4 filings disclose insider transactions; investors track them for signals.

Company-level read

Ticker impact

$MGNINeutralHigh confidence
Context

Chief Technology Officer sold 1,165 shares for $27,960 via a 10b5-1 plan on Sep 14, filing reported Sep 16.

Expected impact

No significant impact expected.

Evidence & confidence

The sale size is small relative to total holdings and market cap; typical for routine liquidity.

Market effects

Sector

None

Regional

None

Global

None

Counterpoint

What could challenge this read

Even small insider sales can signal confidence issues; monitor future filings.

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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