$GH

Joyce Meghan V. sold $728K of GH

Joyce Meghan V. sold 5,728 shares of Guardant Health, Inc. (GH) at $127.11 ($0.73M total) on 2026-06-03 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Joyce Meghan V.
Published Jun 4, 2026, 10:07 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 4, 2026, 10:10 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
$GH
Neutral
medium confidence
Mentioned
$GH
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$GHNeutralLow
01

Why it matters

The market may briefly react to insider selling, but 10b5-1 scheduling typically limits interpretability as new negative information.

02

Market read

A disclosed director sale in GH, executed under a pre-arranged plan, is more sentiment/positioning data than a fundamental catalyst.

03

What to watch

The filing does not disclose reasons for sale; without follow-on buys/sells or changes in other insiders, the trading signal is weak.

Relevance 6/10Novelty 3/10Timing: Filed after-hours on 2026-06-04; sale executed 2026-06-03.

Background

SEC Form 4 reports insider transactions; this one is an open-market sale by a director under a Rule 10b5-1 plan.

Company-level read

Ticker impact

$GHNeutralMedium confidence
Context

Guardant Health director Joyce Meghan V. sold 5,728 shares in an open-market transaction disclosed via SEC Form 4.

Expected impact

Likely limited near-term impact; any effect is more about sentiment than fundamentals.

Evidence & confidence

Insider sales can be interpreted as bearish, but 10b5-1 plans are typically scheduled and not necessarily tied to new information.

Market effects

Minimal; this is company-specific insider activity with no stated operational or regulatory change.

None indicated.

None indicated.

Counterpoint

Because the sale was executed under a pre-arranged 10b5-1 plan, it may reflect routine liquidity rather than a view on prospects.

Key entities

  • Guardant Health, Inc.

    Subject of the insider transaction disclosure (director sale under 10b5-1).

  • Joyce Meghan V.

    Director who sold shares; filing is the source of the disclosed transaction details.

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.

Related articles

$GHMed

Guardant Health stock hits 52-week high at 176.68 USD

Guardant Health Inc. (GH) hit a 52-week high of $176.68, up 216.17% in a year. Q2 revenue grew 44% to $335M, beating expectations. Analysts raised price targets, with Stifel at $180 and TD Cowen at $210, both maintaining Buy ratings. Positive outlook driven by healthcare advancements and strong product performance.

$GHHighAI 9/10

Guardant Health (GH) Wins FDA Approval For First Liquid Biopsy In Advanced Breast Cancer

Guardant Health (GH) received FDA approval for Guardant360 CDx, a liquid biopsy test to monitor ctDNA in advanced breast cancer. The test guides treatment decisions before disease progression, targeting about 37,000 eligible patients in the US. This approval may influence oncologist testing habits, payer coverage, and Guardant's competitive position in cancer diagnostics.

$GHHighAI 9/10

Guardant Health Announces Landmark FDA Approval of Guardant360® CDx as Companion Diagnostic for AstraZeneca’s ETCAMAH™ (camizestrant) in Advanced Breast Cancer

Guardant Health (GH) received FDA approval for Guardant360 CDx as a companion diagnostic for AstraZeneca's ETCAMAH in advanced breast cancer. The approval, based on the SERENA-6 trial, showed a 56% reduction in disease progression risk when using ctDNA-guided treatment. The test is recommended for use every three months during therapy.

$GHHighAI 9/10

Final judgement favours TwinStrand in Guardant patent case

TwinStrand Biosciences and the University of Washington won a patent infringement case against Guardant Health, with the court awarding $245.2M in damages and royalties. The judgement upholds a jury verdict that Guardant willfully infringed two patents and must pay a 6% royalty on relevant sales until 2033. The court also affirmed the validity of the patents in question.