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 44h ago
HOUSE PTR4h ago
SEC 13F4h ago
ROBINHOOD CHAIN4h ago
SEC FORM 4/Open-market saleVerified data

Jarrett Martin sold CSTM

SVP Chief Innovation Officer · CONSTELLIUM SE · Ordinary shares

Side
SELL
Value
$158K
Shares
4,716
Price
$33.46
Executed
May 14, 2026
Disclosed
May 18, 2026
Disclosure timeline4 days from execution to publication · legal deadline 2 business days
May 14 executedMay 18, 2026 disclosed

CSTM · 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
37/ 100 · ELEVATED
Methodology →
  • Transaction type+12 / 20

    Open-market sale

  • Relative size+12 / 25

    $158K reported value · 23.5% 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 & 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 · CSTM

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    36
    GQ
    Guo Jack Q.EVP & CFO
    CSTMCONSTELLIUM SE
    Open-market sale
    		SELL$822K
    25.2K sh
    		May 5, 2026May 7, 2026
    traded May 5, 2026
    		+2dSEC FORM 4

    Evidence

    44
    DC
    Deslarzes Jean-ChristopheDirector
    CSTMCONSTELLIUM SE
    Open-market purchase
    		BUY$41K
    1,665 sh
    		Mar 2, 2026Mar 17, 2026
    traded Mar 2, 2026
    		+15dSEC FORM 4

    Evidence

    38
    CS
    Corre StephanePresident, AS&I
    CSTMCONSTELLIUM SE
    Open-market purchase
    		BUY—
    8,026 sh
    		Mar 9, 2026Mar 11, 2026
    traded Mar 9, 2026
    		+2dSEC FORM 4

    Evidence

    36
    BN
    Brun NicolasSVP PA, Comm & Sust
    CSTMCONSTELLIUM SE
    Open-market sale
    		SELL$437K
    17.7K sh
    		Mar 9, 2026Mar 11, 2026
    traded Mar 9, 2026
    		+2dSEC FORM 4

    Evidence

    17
    BN
    Brun NicolasSVP PA, Comm & Sust
    CSTMCONSTELLIUM SE
    Grant or award
    		A—
    23.7K sh
    		Mar 9, 2026Mar 11, 2026
    traded Mar 9, 2026
    		+2dSEC FORM 4

    Evidence

    17
    JI
    Joerg IngridDirector, CEO
    CSTMCONSTELLIUM SE
    Grant or award
    		A—
    71.1K sh
    		Mar 9, 2026Mar 11, 2026
    traded Mar 9, 2026
    		+2dSEC FORM 4

    Evidence

    29
    JI
    Joerg IngridDirector, CEO
    CSTMCONSTELLIUM SE
    Open-market sale
    		SELL$119K
    4,614 sh
    		Mar 10, 2026Mar 11, 2026
    traded Mar 10, 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
    0002127389-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    May 14, 2026
    Published
    May 18, 2026
    Ingested by INSIDER
    Nov 5, 03:58 UTC
    Last re-read
    Nov 5, 03:58 UTC

    Extracted facts

    Filer
    Jarrett Martin
    Role
    SVP Chief Innovation Officer
    Transaction
    Open-market saleAs filed: “S”
    Asset
    CONSTELLIUM SE
    Ticker
    CSTM
    Shares
    4,716
    Price per share
    $33.46
    Value
    $157,797
    Execution date (reported)
    May 14, 2026
    Owned after transaction
    15.4K shares
    Days from execution to publication
    4

    Calculation

    Value = shares × reported price per share

    • Shares: 4,716
    • Price: $33.46

    = $157,797

    What this establishes

    Jarrett Martin filed this Form 4 reporting a open-market sale of CSTM on May 14, 2026. It became public on May 18, 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
    SVP Chief Innovation Officer
    Jarrett Martincik:0002127389
    Issuer
    CONSTELLIUM SEcik:0001563411

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.