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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 44h ago
HOUSE PTR4h ago
SEC 13F4h ago
ROBINHOOD CHAIN4h ago
SEC FORM 4/Tax withholdingVerified data

Sriram Vandana reported QTRX

Chief Financial Officer · Quanterix Corp · Common Stock

Side
F
Value
$2,178
Shares
274
Price
$7.95
Executed
Jan 15, 2026
Disclosed
Jan 20, 2026
Disclosure timeline5 days from execution to publication · legal deadline 2 business days
Jan 15 executedJan 20, 2026 disclosed

QTRX · 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
15/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Tax withholding — administrative, little informational value

  • Relative size+1 / 25

$2K reported value · 0.3% of prior position

  • Filing timing+6 / 15

    Disclosed 3 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 · QTRX

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Tax withholding
    		F$126
    41 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Tax withholding
    		F$126
    41 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    17
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    136 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    13
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    135 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Tax withholding
    		F$764
    249 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    13
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    372 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Tax withholding
    		F$76.75
    25 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Tax withholding
    		F$341
    111 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    135 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    834 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    834 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    81 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    17
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    81 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    136 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    372 sh
    		Oct 15, 2026Oct 16, 2026
    traded Oct 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    GE
    Gute James Edward Jr.Chief Commercial Officer
    QTRXQuanterix Corp
    Grant or award
    		A—
    260.3K sh
    		Sep 15, 2026Sep 17, 2026
    traded Sep 15, 2026
    		+2dSEC FORM 4

    Evidence

    13
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    135 sh
    		Sep 15, 2026Sep 16, 2026
    traded Sep 15, 2026
    		+1dSEC FORM 4

    Evidence

    17
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    81 sh
    		Sep 15, 2026Sep 16, 2026
    traded Sep 15, 2026
    		+1dSEC FORM 4

    Evidence

    13
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    372 sh
    		Sep 15, 2026Sep 16, 2026
    traded Sep 15, 2026
    		+1dSEC FORM 4

    Evidence

    9
    MF
    Miller Michael FrancisChief Technology Officer
    QTRXQuanterix Corp
    Option exercise
    		M—
    834 sh
    		Sep 15, 2026Sep 16, 2026
    traded Sep 15, 2026
    		+1dSEC 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
    0001908223-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jan 15, 2026
    Published
    Jan 20, 2026
    Ingested by INSIDER
    Nov 5, 04:22 UTC
    Last re-read
    Nov 5, 04:22 UTC

    Extracted facts

    Filer
    Sriram Vandana
    Role
    Chief Financial Officer
    Transaction
    Tax withholdingAs filed: “F”
    Asset
    Quanterix Corp
    Ticker
    QTRX
    Shares
    274
    Price per share
    $7.95
    Value
    $2,178
    Execution date (reported)
    Jan 15, 2026
    Owned after transaction
    86.0K shares
    Days from execution to publication
    5

    Calculation

    Value = shares × reported price per share

    • Shares: 274
    • Price: $7.95

    = $2,178

    What this establishes

    Sriram Vandana filed this Form 4 reporting a tax withholding of QTRX on Jan 15, 2026. It became public on Jan 20, 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
    Chief Financial Officer
    Sriram Vandanacik:0001908223
    Issuer
    Quanterix Corpcik:0001503274

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.