INSIDER
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources

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

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 416m ago
HOUSE PTR16m ago
SEC 13F15m ago
ROBINHOOD CHAIN15m ago
SEC FORM 4/Open-market saleVerified dataRule 10b5-1 plan

Freidin Aaron sold GRAL

Chief Financial Officer · GRAIL, Inc. · Common Stock

Side
SELL
Value
$169K
Shares
1,800
Price
$93.92
Executed
Sep 21, 2026
Disclosed
Sep 23, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Sep 21 executedSep 23, 2026 disclosed

GRAL · 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
14/ 100 · ROUTINE
Methodology →
  • Transaction type+6 / 20

    Open-market sale

  • Relative size+4 / 25

    $169K reported value · 0.7% of prior position

  • Filing timing0 / 15

    Disclosed 2 business days after execution (deadline: 2)

  • Historical behavior+4 / 15

    1 prior trade recorded in this security

  • Frequency & clustering+10 / 15

    2 other actors traded the same direction within 14 days

  • Market events0 / 10

    No material company filing within 60 days after the trade

  • Pre-arranged plan-10

    Executed under a Rule 10b5-1 trading plan

    • 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 · GRAL

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    40
    FA
    Freidin AaronChief Financial Officer
    GRALGRAIL, Inc.
    Open-market sale
    		SELL$3.46M
    23.6K sh
    		Oct 5, 2026Oct 7, 2026
    traded Oct 5, 2026
    		+2dSEC FORM 4

    Evidence

    40
    PJ
    Partridge Andrew JohnChief Growth Officer
    GRALGRAIL, Inc.
    Open-market sale
    		SELL$1.15M
    7,873 sh
    		Oct 5, 2026Oct 7, 2026
    traded Oct 5, 2026
    		+2dSEC FORM 4

    Evidence

    7
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Option exercise · 10b5-1 plan
    		M—
    26.5K sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    14
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$211K
    2,100 sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    20
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$1.10M
    10.0K sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    14
    FA
    Freidin AaronChief Financial Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$164K
    1,779 sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    11
    FA
    Freidin AaronChief Financial Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$49K
    521 sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    5
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Option exercise · 10b5-1 plan
    		M$370K
    26.5K sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    14
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$196K
    2,125 sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    14
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$136K
    1,454 sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    24
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$3.59M
    37.8K sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    17
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$598K
    6,200 sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    14
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$137K
    1,400 sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    11
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$42K
    421 sh
    		Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    		+2dSEC FORM 4

    Evidence

    16
    FA
    Freidin AaronChief Financial Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$672K
    7,900 sh
    		Aug 27, 2026Aug 31, 2026
    traded Aug 27, 2026
    		+4dSEC FORM 4

    Evidence

    16
    OJ
    Ofman Joshua J.Director, Chief Executive Officer
    GRALGRAIL, Inc.
    Open-market sale · 10b5-1 plan
    		SELL$425K
    5,000 sh
    		Aug 27, 2026Aug 31, 2026
    traded Aug 27, 2026
    		+4dSEC FORM 4

    Evidence

    Evidence

    Verified data

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

    Source

    Document
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0001628280-26-063234
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Sep 21, 2026
    Published
    Sep 23, 2026
    Ingested by INSIDER
    Nov 5, 02:15 UTC
    Last re-read
    Nov 5, 02:15 UTC

    Extracted facts

    Filer
    Freidin Aaron
    Role
    Chief Financial Officer
    Transaction
    Open-market saleAs filed: “S”
    Asset
    GRAIL, Inc.
    Ticker
    GRAL
    Shares
    1,800
    Price per share
    $93.92
    Value
    $169,048
    Execution date (reported)
    Sep 21, 2026
    Owned after transaction
    249.5K shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 1,800
    • Price: $93.9156

    = $169,048

    What this establishes

    Freidin Aaron filed this Form 4 reporting a open-market sale of GRAL on Sep 21, 2026. It became public on Sep 23, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

    Extraction

    Method
    Form 4 XML
    Confidence
    1.00
    Chief Financial Officer
    Freidin Aaroncik:0002024196
    Issuer
    GRAIL, Inc.cik:0001699031

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.