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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 43h ago
HOUSE PTR3h ago
SEC 13F3h ago
ROBINHOOD CHAIN3h ago
SEC FORM 4/Tax withholdingVerified data

Narayan Shruthi reported PEN

President · Penumbra Inc · Common Stock

Side
F
Value
$100K
Shares
286
Price
$350.49
Executed
Jan 15, 2026
Disclosed
Jan 16, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Jan 15 executedJan 16, 2026 disclosed

PEN · 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
12/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Tax withholding — administrative, little informational value

  • Relative size+4 / 25

$100K reported value · 1.1% of prior position

  • Filing timing0 / 15

    Disclosed 1 business day after execution (deadline: 2)

  • 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 · PEN

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    15
    NS
    Narayan ShruthiPresident
    PENPenumbra Inc
    Tax withholding
    		F$439K
    1,367 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    15
    NS
    Narayan ShruthiPresident
    PENPenumbra Inc
    Tax withholding
    		F$392K
    1,230 sh
    		Sep 15, 2026Sep 17, 2026
    traded Sep 15, 2026
    		+2dSEC FORM 4

    Evidence

    13
    NS
    Narayan ShruthiPresident
    PENPenumbra Inc
    Grant or award
    		A—
    3,060 sh
    		Aug 17, 2026Aug 19, 2026
    traded Aug 17, 2026
    		+2dSEC FORM 4

    Evidence

    32
    SM
    SOROS FUND MANAGEMENT LLC13F filer
    PENPenumbra Inc
    EXIT
    		SELL$66.80M
    203.4K sh
    		Not disclosedAug 14, 2026quarterlySEC 13F

    Evidence

    9
    NS
    Narayan ShruthiPresident
    PENPenumbra Inc
    Tax withholding
    		F$39K
    117 sh
    		Mar 15, 2026Mar 17, 2026
    traded Mar 15, 2026
    		+2dSEC FORM 4

    Evidence

    13
    NS
    Narayan ShruthiPresident
    PENPenumbra Inc
    Grant or award
    		A—
    2,630 sh
    		Feb 17, 2026Feb 18, 2026
    traded Feb 17, 2026
    		+1dSEC FORM 4

    Evidence

    19
    NS
    Narayan ShruthiPresident
    PENPenumbra Inc
    Grant or award
    		A—
    2,630 sh
    		Feb 13, 2026Feb 18, 2026
    traded Feb 13, 2026
    		+5dSEC FORM 4

    Evidence

    18
    NS
    Narayan ShruthiPresident
    PENPenumbra Inc
    Tax withholding
    		F$239K
    705 sh
    		Feb 15, 2026Feb 18, 2026
    traded Feb 15, 2026
    		+3dSEC FORM 4

    Evidence

    12
    NS
    Narayan ShruthiPresident
    PENPenumbra Inc
    Tax withholding
    		F$100K
    358 sh
    		Nov 15, 2025Nov 18, 2025
    traded Nov 15, 2025
    		+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
    0002086163-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jan 15, 2026
    Published
    Jan 16, 2026
    Ingested by INSIDER
    Nov 5, 04:22 UTC
    Last re-read
    Nov 5, 04:22 UTC

    Extracted facts

    Filer
    Narayan Shruthi
    Role
    President
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    Penumbra Inc
    Ticker
    PEN
    Shares
    286
    Price per share
    $350.49
    Value
    $100,240
    Execution date (reported)
    Jan 15, 2026
    Owned after transaction
    26.3K shares
    Days from execution to publication
    1

    Calculation

    Value = shares × reported price per share

    • Shares: 286
    • Price: $350.49

    = $100,240

    What this establishes

    Narayan Shruthi filed this Form 4 reporting a tax withholding of PEN on Jan 15, 2026. It became public on Jan 16, 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
    President
    Narayan Shruthicik:0002086163
    Issuer
    Penumbra Inccik:0001321732

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    • Quarterly report (10-Q)10-QOct 29, 2026
    • Results of operations (earnings)8-KOct 29, 2026
    • Quarterly report (10-Q)10-QJul 30, 2026
    • Results of operations (earnings)8-KJul 30, 2026
    • Quarterly report (10-Q)10-QMay 6, 2026
    • Results of operations (earnings)8-KMay 6, 2026
    • Annual report (10-K)10-KFeb 25, 2026
    • Results of operations (earnings)8-KFeb 25, 2026
    • Entry into a material agreement · Results of operations (earnings)8-KJan 15, 2026
    • Quarterly report (10-Q)10-QNov 5, 2025
    • Results of operations (earnings)8-KNov 5, 2025