INSIDER
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
HOUSE PTR/PurchaseVerified data

Jonathan L. Jackson bought GH

Joint · Guardant Health, Inc. · Guardant Health, Inc. - Common Stock

Side
BUY
Value range
$15K – $50K
Shares
Not disclosed
Price
—
Executed
Sep 28, 2026
Disclosed
Oct 19, 2026
Disclosure timeline21 days from execution to publication · legal deadline 45 days
Sep 28 executedOct 19, 2026 disclosed

GH · daily

Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.

Insider Score

Experimental signal
28/ 100 · ROUTINE
Methodology →
  • Transaction type+14 / 20

    Purchase

  • Relative size+6 / 25

    Disclosed range starting at $15K

  • Filing timing0 / 15

    Disclosed 21 days after execution (STOCK Act deadline: 45)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • Frequency & clustering0 / 15

    No clustered activity in the dataset

  • Market events0 / 10

    No material company filing within 60 days after the trade

    • The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.

    Other disclosed activity · GH

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    0
    TM
    Tariq MusaDirector
    GHGuardant Health, Inc.
    Option exercise · 10b5-1 plan
    		M—
    250 sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    0
    TM
    Tariq MusaDirector
    GHGuardant Health, Inc.
    Option exercise · 10b5-1 plan
    		M—
    250 sh
    		Oct 15, 2026Oct 19, 2026
    traded Oct 15, 2026
    		+4dSEC FORM 4

    Evidence

    5
    HM
    Hidalgo Medina ManuelDirector
    GHGuardant Health, Inc.
    Option exercise
    		M—
    232 sh
    		Oct 17, 2026Oct 19, 2026
    traded Oct 17, 2026
    		+2dSEC FORM 4

    Evidence

    5
    HM
    Hidalgo Medina ManuelDirector
    GHGuardant Health, Inc.
    Option exercise
    		M—
    232 sh
    		Oct 17, 2026Oct 19, 2026
    traded Oct 17, 2026
    		+2dSEC FORM 4

    Evidence

    0
    TM
    Tariq MusaDirector
    GHGuardant Health, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$19K
    116 sh
    		Oct 16, 2026Oct 19, 2026
    traded Oct 16, 2026
    		+3dSEC FORM 4

    Evidence

    5
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Option exercise
    		M—
    1,340 sh
    		Oct 1, 2026Oct 2, 2026
    traded Oct 1, 2026
    		+1dSEC FORM 4

    Evidence

    5
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Option exercise
    		M—
    1,340 sh
    		Oct 1, 2026Oct 2, 2026
    traded Oct 1, 2026
    		+1dSEC FORM 4

    Evidence

    15
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Tax withholding
    		F$755K
    4,320 sh
    		Oct 1, 2026Oct 2, 2026
    traded Oct 1, 2026
    		+1dSEC FORM 4

    Evidence

    5
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Option exercise
    		M—
    1,701 sh
    		Oct 1, 2026Oct 2, 2026
    traded Oct 1, 2026
    		+1dSEC FORM 4

    Evidence

    5
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Option exercise
    		M—
    3,324 sh
    		Oct 1, 2026Oct 2, 2026
    traded Oct 1, 2026
    		+1dSEC FORM 4

    Evidence

    13
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Option exercise
    		M—
    3,324 sh
    		Oct 1, 2026Oct 2, 2026
    traded Oct 1, 2026
    		+1dSEC FORM 4

    Evidence

    5
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Option exercise
    		M—
    1,668 sh
    		Oct 1, 2026Oct 2, 2026
    traded Oct 1, 2026
    		+1dSEC FORM 4

    Evidence

    5
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Option exercise
    		M—
    1,668 sh
    		Oct 1, 2026Oct 2, 2026
    traded Oct 1, 2026
    		+1dSEC FORM 4

    Evidence

    13
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Option exercise
    		M—
    1,701 sh
    		Oct 1, 2026Oct 2, 2026
    traded Oct 1, 2026
    		+1dSEC FORM 4

    Evidence

    5
    HM
    Hidalgo Medina ManuelDirector
    GHGuardant Health, Inc.
    Option exercise
    		M—
    232 sh
    		Sep 17, 2026Sep 21, 2026
    traded Sep 17, 2026
    		+4dSEC FORM 4

    Evidence

    5
    HM
    Hidalgo Medina ManuelDirector
    GHGuardant Health, Inc.
    Option exercise
    		M—
    232 sh
    		Sep 17, 2026Sep 21, 2026
    traded Sep 17, 2026
    		+4dSEC FORM 4

    Evidence

    0
    TM
    Tariq MusaDirector
    GHGuardant Health, Inc.
    Option exercise · 10b5-1 plan
    		M—
    249 sh
    		Sep 15, 2026Sep 17, 2026
    traded Sep 15, 2026
    		+2dSEC FORM 4

    Evidence

    8
    TM
    Tariq MusaDirector
    GHGuardant Health, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$20K
    116 sh
    		Sep 16, 2026Sep 17, 2026
    traded Sep 16, 2026
    		+1dSEC FORM 4

    Evidence

    0
    TM
    Tariq MusaDirector
    GHGuardant Health, Inc.
    Option exercise · 10b5-1 plan
    		M—
    249 sh
    		Sep 15, 2026Sep 17, 2026
    traded Sep 15, 2026
    		+2dSEC FORM 4

    Evidence

    40
    CD
    Chudova DaryaChief Technology Officer
    GHGuardant Health, Inc.
    Open-market sale
    		SELL$1.38M
    7,738 sh
    		Sep 15, 2026Sep 17, 2026
    traded Sep 15, 2026
    		+2dSEC FORM 4

    Evidence

    Evidence

    Verified data

    Read directly from the primary public document; every field below is as reported by the filer.

    Source

    Document
    House Periodic Transaction Report
    Publisher
    Clerk of the U.S. House of Representatives
    Document ID
    20035551

    Timestamps

    Event (reported)
    Sep 28, 2026
    Published
    Oct 19, 2026
    Ingested by INSIDER
    Nov 4, 22:39 UTC
    Last re-read
    Nov 5, 07:36 UTC

    Extracted facts

    Filer
    Jonathan L. Jackson
    Role
    JointAs filed: “JT”
    Transaction
    PurchaseAs filed: “P”
    Asset
    Guardant Health, Inc. - Common Stock
    Ticker
    GH
    Reported value
    $15K – $50KAs filed: “$15,001 - $50,000”
    Execution date (reported)
    Sep 28, 2026
    Notification date (reported)
    Oct 1, 2026
    Days from execution to publication
    21

    Calculation

    Midpoint = (low + high) / 2. Used only to rank and sum ranges; the true value can be anywhere in the range.

    • Low: $15,001
    • High: $50,000

    = $32,501

    What this establishes

    Jonathan L. Jackson reported a purchase of Guardant Health, Inc. - Common Stock (owner: joint). Members report a value range, not an exact amount, and do not report share counts or prices. Dates are as entered by the filer. A trade report is not evidence of wrongdoing.

    Extraction

    Method
    PDF text extraction
    Confidence
    1.00
    Joint
    Jonathan L. Jacksonbioguide:J000309
    Issuer
    Guardant Health, Inc.cik:0001576280

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.