Skip to content
Whale Atlas — Follow the signal.
Home
FULL RECORDS
Search insider filingsAll Congress filings
MORE TOOLS
WatchlistGold IntelligencePeopleCharts & technicalsCompany financialsOfficial newsMy saved workspace
YOUR RESEARCH
HomeSearch insider filingsAll Congress filings
More research tools
ExploreGold IntelligencePeopleInvestigate an ideaCharts & technicalsMore evidenceCompany financialsOfficial newsMy research & helpWatchlistMy saved workspaceLearn the basicsHow signals workData & coverage
RESOURCES
LearnMethodologyData sources
Built on public evidence.

Primary sources. Clear reasoning.
No black boxes.

Our approach
Public research workspacev1.0

Loading data…Scanning SEC filings…Checking Congress reports…Following the signal…

HomeSearchCongressWatchlist
© 2026 Whale AtlasFree public-filing research. Not financial advice. By using this site you agree to the Terms of Use.
FAQCompare trackersMethodologyData & correctionsTermsPrivacy
Back to Home
G

GH

Nasdaq

Guardant Health, Inc.

Latest disclosureOctober 2, 2026
Insider score Why 4?
4/ 100
Qualifying buys · 30d
$0

1 purchases · 78 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 402

Limited filing history
All402Buying1Selling78Other323
Filters

Last 30 daysNo qualifying insider buying. Sales: $3.35M by 5 insiders.

78 of 402 trades · March 31, 2026 – October 1, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 20 trades on this page.

Sale disclosed

Darya Chudova

Chief Technology Officer

Common Stock

Reported value
$1.38M
Reported price
$178.00 / share
Traded September 15, 2026Filed September 17, 2026SEC filing
Sale disclosed

Steve E. Krognes

Director

Common Stock

Reported value
$192.43K
Reported price
$174.4623 / share
Traded September 16, 2026Filed September 17, 2026SEC filing
Sale disclosed

Steve E. Krognes

Director

Common Stock

Reported value
$578.89K
Reported price
$175.4206 / share
Traded September 16, 2026Filed September 17, 2026SEC filing
Sale disclosed

Steve E. Krognes

Director

Common Stock

Reported value
$229.24K
Reported price
$176.3354 / share
Traded September 16, 2026Filed September 17, 2026SEC filing
Sale disclosed

Steve E. Krognes

Director

Common Stock

Reported value
$172.33K
Reported price
$177.4766 / share
Traded September 16, 2026Filed September 17, 2026SEC filing
Sale disclosed

Alex M. Azar II

Director

Common Stock

Reported value
$144.55K
Reported price
$175.00 / share
Traded September 16, 2026Filed September 17, 2026SEC filing
Sale disclosed

Musa Tariq

Director

Common Stock

Reported value
$20.3K
Reported price
$175.00 / share
Traded September 16, 2026Filed September 17, 2026SEC filing
Sale disclosed

Kumud Kalia

Chief Information Officer

Common Stock

Reported value
$632.19K
Reported price
$158.0483 / share
Traded September 11, 2026Filed September 14, 2026SEC filing
Sale disclosed

AmirAli Talasaz

Co-Chief Executive Officer

Common Stock

Reported value
$1.52M
Reported price
$168.1958 / share
Traded August 21, 2026Filed August 24, 2026SEC filing
Sale disclosed

AmirAli Talasaz

Co-Chief Executive Officer

Common Stock

Reported value
$3.53M
Reported price
$169.1618 / share
Traded August 21, 2026Filed August 24, 2026SEC filing
Sale disclosed

AmirAli Talasaz

Co-Chief Executive Officer

Common Stock

Reported value
$1.29M
Reported price
$170.2862 / share
Traded August 21, 2026Filed August 24, 2026SEC filing
Sale disclosed

Musa Tariq

Director

Common Stock

Reported value
$18.15K
Reported price
$156.45 / share
Traded August 17, 2026Filed August 18, 2026SEC filing
Sale disclosed

Terilyn J. Monroe

Chief People Officer

Common Stock

Reported value
$605.29K
Reported price
$163.4141 / share
Traded August 12, 2026Filed August 13, 2026SEC filing
Sale disclosed

Terilyn J. Monroe

Chief People Officer

Common Stock

Reported value
$1.63M
Reported price
$164.2712 / share
Traded August 12, 2026Filed August 13, 2026SEC filing
Sale disclosed

Terilyn J. Monroe

Chief People Officer

Common Stock

Reported value
$3.14M
Reported price
$165.1578 / share
Traded August 12, 2026Filed August 13, 2026SEC filing
Sale disclosed

Terilyn J. Monroe

Chief People Officer

Common Stock

Reported value
$2.2M
Reported price
$166.1069 / share
Traded August 12, 2026Filed August 13, 2026SEC filing
Sale disclosed

Terilyn J. Monroe

Chief People Officer

Common Stock

Reported value
$67.17K
Reported price
$167.9188 / share
Traded August 12, 2026Filed August 13, 2026SEC filing
Sale disclosed

Chris Freeman

Chief Commercial Officer

Common Stock

Reported value
$579.64K
Reported price
$167.3805 / share
Traded August 10, 2026Filed August 11, 2026SEC filing
Sale disclosed

Chris Freeman

Chief Commercial Officer

Common Stock

Reported value
$1.24M
Reported price
$168.7909 / share
Traded August 10, 2026Filed August 11, 2026SEC filing
Sale disclosed

Chris Freeman

Chief Commercial Officer

Common Stock

Reported value
$6M
Reported price
$169.6337 / share
Traded August 10, 2026Filed August 11, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
Chief Technology OfficerCommon StockSale7,738$178.00 / share$1.38MSep 15Filed Sep 17 · 2d laterSEC filing
DirectorCommon StockSale4 trades6,674avg $175.74 / share$1.17MSep 16Filed Sep 17 · 1d later
4 filings
  • 1,103 @ $174.46 · $192.43KSEC filing
  • 3,300 @ $175.42 · $578.89KSEC filing
  • 1,300 @ $176.34 · $229.24KSEC filing
  • 971 @ $177.48 · $172.33KSEC filing
DirectorCommon StockSale10b5-1826$175.00 / share$144.55KSep 16Filed Sep 17 · 1d laterSEC filing
DirectorCommon StockSale10b5-1116$175.00 / share$20.3KSep 16Filed Sep 17 · 1d laterSEC filing
Chief Information OfficerCommon StockSale4,000$158.05 / share$632.19KSep 11Filed Sep 14 · 3d laterSEC filing
Co-Chief Executive OfficerCommon StockSale3 trades37,500avg $169.16 / share$6.34MAug 21Filed Aug 24 · 3d later
3 filings
  • 9,023 @ $168.20 · $1.52MSEC filing
  • 20,888 @ $169.16 · $3.53MSEC filing
  • 7,589 @ $170.29 · $1.29MSEC filing
DirectorCommon StockSale10b5-1116$156.45 / share$18.15KAug 17Filed Aug 18 · 1d laterSEC filing
Chief People OfficerCommon StockSale5 trades46,300avg $165.12 / share$7.65MAug 12Filed Aug 13 · 1d later
5 filings
  • 3,704 @ $163.41 · $605.29KSEC filing
  • 9,934 @ $164.27 · $1.63MSEC filing
  • 19,014 @ $165.16 · $3.14MSEC filing
  • 13,248 @ $166.11 · $2.2MSEC filing
  • 400 @ $167.92 · $67.17KSEC filing
Chief Commercial OfficerCommon StockSale3 trades46,192avg $169.33 / share$7.82MAug 10Filed Aug 11 · 1d later
3 filings
  • 3,463 @ $167.38 · $579.64KSEC filing
  • 7,365 @ $168.79 · $1.24MSEC filing
  • 35,364 @ $169.63 · $6MSEC filing

Showing the latest 20 of 78 trades. Show all 78 trades

Congress transactions 1

All Congress filings
Purchase disclosed

Guardant Health Inc · Stock

The filing reports a purchase for the member.

Sheldon Whitehouse official portraitSheldon WhitehouseReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
November 21, 2025
Filed December 1, 2025 · 10d laterOriginal report
Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

Qualifying common-equity purchase value

$19,614 of common-equity purchase value after transaction-age decay across 180 days.

+2 pts

Distinct buying groups

1 distinct reporting-owner group(s). Joint rows count once; identity is not proof of discretion.

+2 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0001576280
Latest public acceptance
Oct 2, 2026, 09:01 PM UTC
Score calculated
Oct 8, 2026, 12:07 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.