InsiderSource
GH

Guardant Health, Inc.

SEC CIK 1576280
$130.90 +15.8% · 90 days
90-day buys
$0
0 open-market
90-day sells
$51.79M
40 open-market
Net insider flow
−$51.79M
Net selling
Filings shown
61
Most recent
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At a glance

Over the last 90 days, insiders at GH have sold a net $51.79M of stock (0 open-market buys vs 40 sells).

Largest recent trade: Eltoukhy Helmy sold $6.24M of GH, trimming their stake 2%.

Most active filer: Talasaz Amirali, with 13 transactions among the recent filings shown.

Insider transaction history

Form 4 filings for GH, newest first
View on SEC EDGAR ↗
GH
Guardant Health, Inc.
Sell Talasaz AmirAli · Director, Co-Chief Executive Officer · Open-market sale · filed 3w ago ΔOwn −1.0%

Talasaz Amirali sold $2.27M of GH, trimming their stake 1%.

−$2.27M
21,171 sh @ $107
GH
Guardant Health, Inc.
Sell Talasaz AmirAli · Director, Co-Chief Executive Officer · Open-market sale · filed 3w ago ΔOwn −1.6%

Talasaz Amirali sold $3.57M of GH, trimming their stake 2%.

−$3.57M
33,069 sh @ $108
GH
Guardant Health, Inc.
Sell Talasaz AmirAli · Director, Co-Chief Executive Officer · Open-market sale · filed 3w ago ΔOwn −0.5%

Talasaz Amirali sold $1.07M of GH.

−$1.07M
9,852 sh @ $109
GH
Guardant Health, Inc.
Sell Talasaz AmirAli · Director, Co-Chief Executive Officer · Open-market sale · filed 3w ago ΔOwn −1.4%

Talasaz Amirali sold $3.18M of GH, trimming their stake 1%.

−$3.18M
28,908 sh @ $110
GH
Guardant Health, Inc.
Sell Talasaz AmirAli · Director, Co-Chief Executive Officer · Open-market sale · filed 3w ago ΔOwn −1.9%

Talasaz Amirali sold $4.13M of GH, trimming their stake 2%.

−$4.13M
37,163 sh @ $111
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GH
Guardant Health, Inc.
Sell Talasaz AmirAli · Director, Co-Chief Executive Officer · Open-market sale · filed 3w ago ΔOwn −1.9%

Talasaz Amirali sold $4.25M of GH, trimming their stake 2%.

−$4.25M
37,900 sh @ $112
GH
Guardant Health, Inc.
Sell Talasaz AmirAli · Director, Co-Chief Executive Officer · Open-market sale · filed 3w ago ΔOwn −1.4%

Talasaz Amirali sold $2.97M of GH, trimming their stake 1%.

−$2.97M
26,352 sh @ $113
GH
Guardant Health, Inc.
Sell CLARK IAN T · Director · Open-market sale · filed 3w ago ΔOwn −70%

Clark Ian T sold $735K of GH, trimming their stake 70%.

−$735K
6,876 sh @ $107
GH
Guardant Health, Inc.
Sell Tariq Musa · Director · Open-market sale · filed 3w ago ΔOwn −1.3%

Tariq Musa sold $11.1K of GH, trimming their stake 1%.

−$11.1K
116 sh @ $96
GH
Guardant Health, Inc.
Sell Talasaz AmirAli · Director, Co-Chief Executive Officer · Open-market sale · filed May 13, 2026 ΔOwn −2.3%

Talasaz Amirali sold $5.02M of GH, trimming their stake 2%.

−$5.02M
50,000 sh @ $100
GH
Guardant Health, Inc.
Sell Tariq Musa · Director · Open-market sale · filed Apr 16, 2026 ΔOwn −1.3%

Tariq Musa sold $9.8K of GH, trimming their stake 1%.

−$9.8K
116 sh @ $85
GH
Guardant Health, Inc.
Sell Monroe Terilyn J. · Chief People Officer · Open-market sale · filed Apr 7, 2026 ΔOwn −15%

Monroe Terilyn J. sold $355.1K of GH, trimming their stake 15%.

−$355.1K
3,832 sh @ $93
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About GH insider activity

This page tracks every recent Form 4 filed for Guardant Health, Inc. with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.

The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.

Frequently asked questions

How often is GH insider data updated?

Continuously. We read from SEC EDGAR, so new Form 4 filings for Guardant Health, Inc. usually appear here within minutes of being accepted by the SEC.

What does "net insider flow" mean?

It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.

Why do some rows show grants or option exercises instead of buys?

Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.

Is this investment advice?

No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.