$LYEL

Seely Lynn sold $6K of LYEL

Seely Lynn (President and CEO) sold 390 shares of Lyell Immunopharma, Inc. (LYEL) at $14.34 on 2026-08-10.

Original reporting
SEC EDGAR · Seely Lynn
Published Aug 11, 2026, 8:07 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 11, 2026, 8:10 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
$LYEL
Neutral
medium confidence
Mentioned
$LYEL
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$LYELNeutralLow
01

Why it matters

The disclosed event is an open-market sale by the CEO. Without any accompanying operational or financial update, the trading impact is primarily sentiment-related rather than fundamental.

02

Market read

Traders may monitor insider activity, but this specific filing does not introduce new company fundamentals in the provided text.

03

What to watch

The article provides only the sale details; it does not include total insider holdings changes beyond the post-transaction share count, nor any concurrent company-specific catalysts.

Relevance 3/10Novelty 3/10Timing: Form 4 filed Aug. 11, covering a sale executed Aug. 10.

Background

The article is an SEC Form 4 insider transaction disclosure for Lyell Immunopharma, Inc.

Company-level read

Ticker impact

$LYELNeutralMedium confidence
Context

Lyell Immunopharma CEO Seely Lynn sold 390 shares in an open-market transaction at $14.34/share, per Form 4 filed Aug. 11.

Expected impact

Low near-term impact; any reaction is likely limited to sentiment and should be weighed against typical insider-sale noise.

Evidence & confidence

The filing discloses a small, single-tranche sale by the CEO, with no accompanying company news (no guidance, trial, deal, or regulatory action) in the text.

Market effects

No sector read-through is provided; this is company-specific insider transaction data only.

None indicated.

None indicated.

Counterpoint

The absence of a stated 10b5-1 plan could be interpreted as discretionary selling, but insider sales are often driven by taxes or diversification rather than bearish fundamentals.

Key entities

  • Lyell Immunopharma, Inc.

    Company whose CEO insider sale is disclosed in the Form 4.

  • Seely Lynn

    President and CEO who sold 390 shares at $14.34/share.

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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