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Data sources

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

RH CHAIN…
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
01Overview02Daily Brief03Live04Congress05Corporate Insiders06Government Money07Political Influence08Institutions09Washington Network10Follow the Power11Disclosure Clock12AI Investigator13Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
OverviewDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 49m ago
HOUSE PTR8m ago
SEC 13F8m ago
ROBINHOOD CHAIN8m ago
HOUSE PTR/ExchangeVerified data

Debbie Dingell exchanged WAT

Self · WATERS CORP /DE/ · Waters Corporation Common Stock

Side
EXCH
Value range
$1,001 – $15K
Shares
Not disclosed
Price
—
Executed
Feb 10, 2026
Disclosed
Feb 23, 2026
Disclosure timeline13 days from execution to publication · legal deadline 45 days
Feb 10 executedFeb 23, 2026 disclosed

WAT · 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 type+4 / 20

    Exchange

  • Relative size+2 / 25

    Disclosed range starting at $1K

  • Filing timing0 / 15

    Disclosed 13 days after execution (STOCK Act deadline: 45)

  • Historical behavior+8 / 15

    First recorded trade by this actor in this security

  • Frequency & clustering+5 / 15

    1 other actor traded the same direction within 14 days

  • 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 · WAT

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    27
    Kevin HernRJoint
    WATWATERS CORP /DE/
    Sale
    SELL$1,001 – $15KAug 13, 2026Sep 1, 2026
    traded Aug 13, 2026
    +19dHOUSE PTR

    Evidence

    20
    Thomas H. Kean, Jr.RSelf
    WATWATERS CORP /DE/
    Partial sale
    SELL$1,001 – $15KMar 10, 2026Apr 13, 2026
    traded Mar 10, 2026
    +34dHOUSE PTR

    Evidence

    24
    Gilbert Ray Cisneros, Jr.DSelf
    WATWATERS CORP /DE/
    Purchase
    BUY$1,001 – $15KMar 18, 2026Apr 7, 2026
    traded Mar 18, 2026
    +20dHOUSE PTR

    Evidence

    24
    Thomas H. Kean, Jr.RSelf
    WATWATERS CORP /DE/
    Partial sale
    SELL$1,001 – $15KFeb 13, 2026Mar 18, 2026
    traded Feb 13, 2026
    +33dHOUSE PTR

    Evidence

    19
    Kevin HernRJoint
    WATWATERS CORP /DE/
    Exchange
    EXCH$1,001 – $15KFeb 9, 2026Mar 6, 2026
    traded Feb 9, 2026
    +25dHOUSE PTR

    Evidence

    Evidence

    Verified data

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

    Source

    Document
    House Periodic Transaction Report
    Publisher
    Clerk of the U.S. House of Representatives
    Document ID
    20034035

    Timestamps

    Event (reported)
    Feb 10, 2026
    Published
    Feb 23, 2026
    Ingested by INSIDER
    Nov 5, 06:47 UTC
    Last re-read
    Nov 5, 06:47 UTC

    Extracted facts

    Filer
    Debbie Dingell
    Role
    Self
    Transaction
    ExchangeAs filed: “E”
    Asset
    Waters Corporation Common Stock
    Ticker
    WAT
    Reported value
    $1,001 – $15KAs filed: “$1,001 - $15,000”
    Execution date (reported)
    Feb 10, 2026
    Notification date (reported)
    Feb 17, 2026
    Days from execution to publication
    13

    Calculation

    Midpoint = (low + high) / 2. Used only to rank and sum ranges; the true value can be anywhere in the range.

    • Low: $1,001
    • High: $15,000

    = $8,001

    What this establishes

    Debbie Dingell reported a exchange of Waters Corporation Common Stock. Members report a value range, not an exact amount, and do not report share counts or prices. Dates are as entered by the filer. A trade report is not evidence of wrongdoing.

    Extraction

    Method
    PDF text extraction
    Confidence
    1.00
    Self
    Debbie Dingellbioguide:D000624
    Issuer
    WATERS CORP /DE/cik:0001000697

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.