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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 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
SEC FORM 4/Open-market saleVerified dataRule 10b5-1 plan

Brosius Mark sold ISRG

EVP & Chief Mfg and Supply Cha · INTUITIVE SURGICAL INC · Common Stock

Side
SELL
Value
$27K
Shares
61
Price
$441.6
Executed
Oct 28, 2026
Disclosed
Oct 28, 2026
Disclosure timeline0 days from execution to publication · legal deadline 2 business days
Oct 28 executedOct 28, 2026 disclosed

ISRG · 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
17/ 100 · ROUTINE
Methodology →
  • Transaction type+6 / 20

    Open-market sale

  • Relative size+5 / 25

    $27K reported value · 9.5% of prior position

  • Filing timing0 / 15

    Disclosed 0 business days after execution (deadline: 2)

  • Historical behavior+1 / 15

    Routine: 28 prior trades recorded in this security

  • Frequency & clustering+15 / 15

    4 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 · ISRG

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    25
    GS
    Guthart Gary SDirector
    ISRGINTUITIVE SURGICAL INC
    Open-market sale · 10b5-1 plan
    		SELL$4.57M
    10.0K sh
    		Nov 4, 2026Nov 5, 2026
    traded Nov 4, 2026
    		+1dSEC FORM 4

    Evidence

    0
    BH
    Barratt Craig HDirector
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M$104K
    1,150 sh
    		Nov 4, 2026Nov 5, 2026
    traded Nov 4, 2026
    		+1dSEC FORM 4

    Evidence

    7
    BH
    Barratt Craig HDirector
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    1,150 sh
    		Nov 4, 2026Nov 5, 2026
    traded Nov 4, 2026
    		+1dSEC FORM 4

    Evidence

    34
    BH
    Barratt Craig HDirector
    ISRGINTUITIVE SURGICAL INC
    Open-market sale · 10b5-1 plan
    		SELL$529K
    1,150 sh
    		Nov 4, 2026Nov 5, 2026
    traded Nov 4, 2026
    		+1dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    263 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    567 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    4
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    307 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M$101K
    567 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    17
    BM
    Brosius MarkEVP & Chief Mfg and Supply Cha
    ISRGINTUITIVE SURGICAL INC
    Open-market sale · 10b5-1 plan
    		SELL$27K
    61 sh
    		Oct 29, 2026Nov 2, 2026
    traded Oct 29, 2026
    		+4dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    543 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M$48K
    263 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    546 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    34
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Open-market sale · 10b5-1 plan
    		SELL$2.38M
    5,448 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    325 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    312 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    406 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    4
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    307 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    406 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    4
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M—
    312 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC FORM 4

    Evidence

    0
    WF
    Widman FredrikVP Corporate Controller
    ISRGINTUITIVE SURGICAL INC
    Option exercise · 10b5-1 plan
    		M$137K
    567 sh
    		Oct 30, 2026Nov 2, 2026
    traded Oct 30, 2026
    		+3dSEC 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
    0002010300-26-000035
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Oct 28, 2026
    Published
    Oct 28, 2026
    Ingested by INSIDER
    Nov 5, 02:09 UTC
    Last re-read
    Nov 5, 02:09 UTC

    Extracted facts

    Filer
    Brosius Mark
    Role
    EVP & Chief Mfg and Supply Cha
    Transaction
    Open-market saleAs filed: “S”
    Asset
    INTUITIVE SURGICAL INC
    Ticker
    ISRG
    Shares
    61
    Price per share
    $441.6
    Value
    $26,938
    Execution date (reported)
    Oct 28, 2026
    Owned after transaction
    581 shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    0

    Calculation

    Value = shares × reported price per share

    • Shares: 61
    • Price: $441.6

    = $26,938

    What this establishes

    Brosius Mark filed this Form 4 reporting a open-market sale of ISRG on Oct 28, 2026. It became public on Oct 28, 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
    EVP & Chief Mfg and Supply Cha
    Brosius Markcik:0002010300
    Issuer
    INTUITIVE SURGICAL INCcik:0001035267

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.