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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 455m ago
HOUSE PTR55m ago
SEC 13F55m ago
ROBINHOOD CHAIN54m ago
SEC FORM 4/Tax withholdingVerified dataRule 10b5-1 plan

Thurman Alex R. reported GKOS

SVP & CHIEF FINANCIAL OFFICER · GLAUKOS Corp · Common Stock

Side
F
Value
$213K
Shares
2,020
Price
$105.23
Executed
Mar 24, 2026
Disclosed
Mar 25, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Mar 24 executedMar 25, 2026 disclosed

GKOS · 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
0/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Tax withholding — administrative, little informational value

  • Relative size+4 / 25

$213K reported value · 4.8% of prior position

  • Filing timing0 / 15

    Disclosed 1 business day after execution (deadline: 2)

  • Historical behavior+4 / 15

    2 prior trades recorded 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

  • 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 · GKOS

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    31
    KH
    Kliman Gilbert HDirector
    GKOSGLAUKOS Corp
    Open-market sale
    		SELL$633K
    2,500 sh
    		Nov 4, 2026Nov 5, 2026
    traded Nov 4, 2026
    		+1dSEC FORM 4

    Evidence

    16
    KH
    Kliman Gilbert HDirector
    GKOSGLAUKOS Corp
    Option exercise
    		M$64K
    2,500 sh
    		Nov 4, 2026Nov 5, 2026
    traded Nov 4, 2026
    		+1dSEC FORM 4

    Evidence

    17
    KH
    Kliman Gilbert HDirector
    GKOSGLAUKOS Corp
    Option exercise
    		M—
    2,500 sh
    		Nov 4, 2026Nov 5, 2026
    traded Nov 4, 2026
    		+1dSEC FORM 4

    Evidence

    0
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$25K
    167 sh
    		Sep 25, 2026Sep 28, 2026
    traded Sep 25, 2026
    		+3dSEC FORM 4

    Evidence

    0
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$21K
    136 sh
    		Sep 25, 2026Sep 28, 2026
    traded Sep 25, 2026
    		+3dSEC FORM 4

    Evidence

    0
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$35K
    229 sh
    		Sep 25, 2026Sep 28, 2026
    traded Sep 25, 2026
    		+3dSEC FORM 4

    Evidence

    1
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$168K
    1,083 sh
    		Sep 25, 2026Sep 28, 2026
    traded Sep 25, 2026
    		+3dSEC FORM 4

    Evidence

    1
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$57K
    345 sh
    		Sep 16, 2026Sep 18, 2026
    traded Sep 16, 2026
    		+2dSEC FORM 4

    Evidence

    1
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$77K
    460 sh
    		Sep 16, 2026Sep 18, 2026
    traded Sep 16, 2026
    		+2dSEC FORM 4

    Evidence

    0
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$32K
    191 sh
    		Sep 16, 2026Sep 18, 2026
    traded Sep 16, 2026
    		+2dSEC FORM 4

    Evidence

    0
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$688
    4 sh
    		Sep 16, 2026Sep 18, 2026
    traded Sep 16, 2026
    		+2dSEC FORM 4

    Evidence

    0
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$20K
    120 sh
    		Sep 16, 2026Sep 18, 2026
    traded Sep 16, 2026
    		+2dSEC FORM 4

    Evidence

    0
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$17K
    103 sh
    		Sep 16, 2026Sep 18, 2026
    traded Sep 16, 2026
    		+2dSEC FORM 4

    Evidence

    0
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale · 10b5-1 plan
    		SELL$40K
    234 sh
    		Sep 16, 2026Sep 18, 2026
    traded Sep 16, 2026
    		+2dSEC FORM 4

    Evidence

    14
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale
    		SELL$1,825
    10 sh
    		Aug 28, 2026Sep 1, 2026
    traded Aug 28, 2026
    		+4dSEC FORM 4

    Evidence

    27
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale
    		SELL$1.10M
    6,091 sh
    		Aug 28, 2026Sep 1, 2026
    traded Aug 28, 2026
    		+4dSEC FORM 4

    Evidence

    27
    NT
    Navratil TomasCHIEF DEVELOPMENT OFFICER
    GKOSGLAUKOS Corp
    Open-market sale
    		SELL$1.38M
    7,643 sh
    		Aug 28, 2026Sep 1, 2026
    traded Aug 28, 2026
    		+4dSEC FORM 4

    Evidence

    17
    GE
    Gilliam Joseph EPRESIDENT & COO
    GKOSGLAUKOS Corp
    Option exercise
    		M—
    10.0K sh
    		Aug 11, 2026Aug 13, 2026
    traded Aug 11, 2026
    		+2dSEC FORM 4

    Evidence

    22
    GE
    Gilliam Joseph EPRESIDENT & COO
    GKOSGLAUKOS Corp
    Option exercise
    		M$1.10M
    20.0K sh
    		Aug 11, 2026Aug 13, 2026
    traded Aug 11, 2026
    		+2dSEC FORM 4

    Evidence

    17
    GE
    Gilliam Joseph EPRESIDENT & COO
    GKOSGLAUKOS Corp
    Option exercise
    		M—
    20.0K sh
    		Aug 11, 2026Aug 13, 2026
    traded Aug 11, 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
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0001920061-26-000004
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Mar 24, 2026
    Published
    Mar 25, 2026
    Ingested by INSIDER
    Nov 5, 04:09 UTC
    Last re-read
    Nov 5, 04:09 UTC

    Extracted facts

    Filer
    Thurman Alex R.
    Role
    SVP & CHIEF FINANCIAL OFFICER
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    GLAUKOS Corp
    Ticker
    GKOS
    Shares
    2,020
    Price per share
    $105.23
    Value
    $212,565
    Execution date (reported)
    Mar 24, 2026
    Owned after transaction
    44.5K shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    1

    Calculation

    Value = shares × reported price per share

    • Shares: 2,020
    • Price: $105.23

    = $212,565

    What this establishes

    Thurman Alex R. filed this Form 4 reporting a tax withholding of GKOS on Mar 24, 2026. It became public on Mar 25, 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
    SVP & CHIEF FINANCIAL OFFICER
    Thurman Alex R.cik:0001920061
    Issuer
    GLAUKOS Corpcik:0001192448

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.