Lam Rachel sold $242K of MGNI

Lam Rachel sold 10,000 shares of MAGNITE, INC. (MGNI) at $24.16 ($0.24M total) on 2026-08-10.

Original reporting
SEC EDGAR · Lam Rachel
Published Aug 12, 2026, 8:51 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 12, 2026, 9:13 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
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MGNINeutralLow
01

Why it matters

The disclosed fact is an open-market sale by a director, including trade date, share count, price, and post-transaction holdings. This can slightly influence sentiment but does not provide new fundamentals.

02

Market read

A director’s $241.6k open-market sale is disclosed, which may cause minor sentiment noise but lacks fundamental drivers in the text.

03

What to watch

Insider sales are common and often not predictive; traders should weigh whether there is any concurrent company news or changes in guidance, contracts, or regulatory posture.

Relevance 4/10Novelty 3/10Timing: filed 2026-08-12, sale dated 2026-08-10

Background

The article is a SEC Form 4 insider transaction disclosure for Magnite, Inc. (MGNI).

Company-level read

Ticker impact

$MGNINeutralMedium confidence
Context

Magnite director Lam Rachel filed a Form 4 selling 10,000 shares at $24.1600 on 2026-08-10, totaling $241,600.

Expected impact

Likely limited near-term impact; any effect would be sentiment-driven and small unless accompanied by other company-specific news.

Evidence & confidence

The filing is a routine insider transaction with no 10b5-1 plan and provides sale size and price, but it does not disclose new operating, financial, or regulatory information.

Market effects

No clear sector read-through from a single director sale without additional context.

None indicated.

None indicated.

Counterpoint

The absence of a 10b5-1 plan does not necessarily imply negative information; sales can be driven by diversification, taxes, or pre-planned personal liquidity needs.

Key entities

  • MAGNITE, INC.

    Company whose director insider sale is disclosed on Form 4.

  • Lam Rachel

    Director who sold 10,000 shares at $24.1600 on 2026-08-10.

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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