Caine Paul sold $316K of MGNI

Caine Paul sold 12,500 shares of MAGNITE, INC. (MGNI) at $25.29 ($0.32M total) on 2026-10-12 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Caine Paul
Published Oct 14, 2026, 8:30 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 14, 2026, 8:34 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.
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 modest and executed under a 10b5-1 plan, suggesting limited immediate market impact.

02

Market read

A routine insider sale with limited price impact; traders may note the transaction but no actionable move is indicated.

03

What to watch

Potential upcoming corporate actions or market conditions not disclosed in the filing.

Relevance 3/10Novelty 3/10Timing: post‑market filing on Oct 14

Background

Magnite, Inc. (NASDAQ: MGNI) is a programmatic advertising platform. The filing is a standard Form 4 disclosure of a director's stock sale.

Company-level read

Ticker impact

$MGNINeutralMedium confidence
Context

Director Caine Paul sold 12,500 shares for $316,125 via a 10b5-1 plan, reducing his stake to 124,901 shares.

Expected impact

potential slight downward pressure as market prices in the insider sell

Evidence & confidence

Sale size is modest relative to market cap and executed under a pre‑arranged plan, limiting immediate impact.

Market effects

Minimal; insider activity does not materially affect the broader digital advertising sector.

None; the filing is company‑specific.

None; no broader market implications.

Counterpoint

The sale could be routine and unrelated to fundamentals, so the stock may remain unchanged.

Key entities

  • Caine Paul

    Insider who sold 12,500 shares of MGNI.

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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