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 44m ago
HOUSE PTR4m ago
SEC 13F3m ago
ROBINHOOD CHAIN3m ago
SEC FORM 4/Tax withholdingVerified data

Chen Shirley reported ONTO

Senior Vice President of Custo · ONTO INNOVATION INC. · Common Stock

Side
F
Value
$386K
Shares
1,516
Price
$254.55
Executed
Sep 2, 2026
Disclosed
Sep 4, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Sep 2 executedSep 4, 2026 disclosed

ONTO · 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
19/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Tax withholding — administrative, little informational value

  • Relative size+11 / 25

$386K reported value · 12.1% of prior position

  • Filing timing0 / 15

    Disclosed 2 business days 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 · ONTO

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    19
    LD
    Lynch Susan DDirector
    ONTOONTO INNOVATION INC.
    Open-market sale · 10b5-1 plan
    		SELL$302K
    1,000 sh
    		Aug 21, 2026Aug 25, 2026
    traded Aug 21, 2026
    		+4dSEC FORM 4

    Evidence

    12
    YR
    Yaldaei RamilChief Operating Officer
    ONTOONTO INNOVATION INC.
    Tax withholding
    		F$59K
    218 sh
    		May 15, 2026May 18, 2026
    traded May 15, 2026
    		+3dSEC FORM 4

    Evidence

    12
    YR
    Yaldaei RamilChief Operating Officer
    ONTOONTO INNOVATION INC.
    Tax withholding
    		F$170K
    625 sh
    		May 15, 2026May 18, 2026
    traded May 15, 2026
    		+3dSEC FORM 4

    Evidence

    13
    DI
    Dolev IdoEVP, Prod Solutions Grp
    ONTOONTO INNOVATION INC.
    Grant or award
    		A—
    3,440 sh
    		Mar 2, 2026Mar 4, 2026
    traded Mar 2, 2026
    		+2dSEC FORM 4

    Evidence

    12
    DI
    Dolev IdoEVP, Prod Solutions Grp
    ONTOONTO INNOVATION INC.
    Tax withholding
    		F$170K
    819 sh
    		Mar 3, 2026Mar 4, 2026
    traded Mar 3, 2026
    		+1dSEC FORM 4

    Evidence

    9
    DI
    Dolev IdoEVP, Prod Solutions Grp
    ONTOONTO INNOVATION INC.
    Grant or award
    		A—
    1,720 sh
    		Mar 2, 2026Mar 4, 2026
    traded Mar 2, 2026
    		+2dSEC FORM 4

    Evidence

    9
    DI
    Dolev IdoEVP, Prod Solutions Grp
    ONTOONTO INNOVATION INC.
    Grant or award
    		A—
    1,720 sh
    		Mar 2, 2026Mar 4, 2026
    traded Mar 2, 2026
    		+2dSEC FORM 4

    Evidence

    9
    CS
    Chen ShirleySVP Customer Success
    ONTOONTO INNOVATION INC.
    Grant or award
    		A—
    1,261 sh
    		Mar 2, 2026Mar 4, 2026
    traded Mar 2, 2026
    		+2dSEC FORM 4

    Evidence

    13
    CS
    Chen ShirleySVP Customer Success
    ONTOONTO INNOVATION INC.
    Grant or award
    		A—
    2,523 sh
    		Mar 2, 2026Mar 4, 2026
    traded Mar 2, 2026
    		+2dSEC FORM 4

    Evidence

    9
    CS
    Chen ShirleySVP Customer Success
    ONTOONTO INNOVATION INC.
    Grant or award
    		A—
    1,261 sh
    		Mar 2, 2026Mar 4, 2026
    traded Mar 2, 2026
    		+2dSEC FORM 4

    Evidence

    19
    DI
    Dolev IdoEVP, Prod Solutions Grp
    ONTOONTO INNOVATION INC.
    Tax withholding
    		F$490K
    3,183 sh
    		Dec 2, 2025Dec 4, 2025
    traded Dec 2, 2025
    		+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
    0002074793-26-000008
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Sep 2, 2026
    Published
    Sep 4, 2026
    Ingested by INSIDER
    Nov 5, 02:18 UTC
    Last re-read
    Nov 5, 02:18 UTC

    Extracted facts

    Filer
    Chen Shirley
    Role
    Senior Vice President of Custo
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    ONTO INNOVATION INC.
    Ticker
    ONTO
    Shares
    1,516
    Price per share
    $254.55
    Value
    $385,898
    Execution date (reported)
    Sep 2, 2026
    Owned after transaction
    14.0K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 1,516
    • Price: $254.55

    = $385,898

    What this establishes

    Chen Shirley filed this Form 4 reporting a tax withholding of ONTO on Sep 2, 2026. It became public on Sep 4, 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
    Senior Vice President of Custo
    Chen Shirleycik:0002074793
    Issuer
    ONTO INNOVATION INC.cik:0000704532

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.