Saltz Aaron sold $936K of MGNI

Saltz Aaron (CHIEF LEGAL OFFICER) sold 40,000 shares of MAGNITE, INC. (MGNI) at $23.41 ($0.94M total) on 2026-09-10 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Saltz Aaron
Published Sep 11, 2026, 8:15 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 11, 2026, 8:19 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
Bearish
medium confidence
Mentioned
$MGNI
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MGNIBearishLow
01

Why it matters

A modest insider sell may be interpreted as a neutral to slightly negative signal, but the pre‑arranged nature tempers impact.

02

Market read

Primary disclosure of an insider sale; limited trading relevance due to small size and pre‑arranged plan.

03

What to watch

The 10b5‑1 plan pre‑arranges sales, reducing the informational value of the transaction.

Relevance 4/10Novelty 4/10Timing: post‑market 2026‑09‑10

Background

Form 4 filing discloses insider transactions required by SEC regulations.

Company-level read

Ticker impact

$MGNIBearishMedium confidence
Context

Chief Legal Officer Aaron Saltz sold 40,000 shares for $936,400 via a 10b5‑1 plan, reducing his stake to 224,389 shares.

Expected impact

Modest short‑term dip of 1‑2% as investors digest the sale.

Evidence & confidence

Sale size is under $1M and executed under a pre‑arranged plan, limiting the strength of the signal.

Market effects

Minimal impact on the digital advertising sector; insider sales are routine.

No regional effect beyond MGNI shareholders.

Limited global relevance.

Counterpoint

The sale could be purely liquidity‑driven and not reflect company outlook.

Key entities

  • Magnite, Inc.

    US‑listed digital advertising technology firm (ticker MGNI).

  • Aaron Saltz

    Chief Legal Officer of Magnite.

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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