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

Robinhood Chain…
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersPlanned Sales & StakesGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources
SEC FORM 42h ago
HOUSE PTR2h ago
SEC 13F2h ago
ROBINHOOD CHAIN2h ago
SEC FORM 4/Open-market saleVerified data
BN

Brun Nicolas sold CSTM

SVP PA, Comm & Sust · CONSTELLIUM SE · Ordinary shares

Side
SELL
Value
$437K
Shares
17.7K
Price
$24.67
Executed
Mar 9, 2026
Disclosed
Mar 11, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Mar 9 executedMar 11, 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
36/ 100 · ELEVATED
Methodology →
  • Transaction type+12 / 20

    Open-market sale

  • Relative size+11 / 25

    $437K reported value · 14.6% 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
    37
    JM
    Jarrett MartinSVP Chief Innovation Officer
    CSTMCONSTELLIUM SE
    Open-market sale
    		SELL$158K
    4,716 sh
    		May 14, 2026May 18, 2026
    traded May 14, 2026
    		+4dSEC FORM 4

    Evidence

    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

    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

    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

    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

    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

    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
    0002093242-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Mar 9, 2026
    Published
    Mar 11, 2026
    Ingested by INSIDER
    Nov 5, 04:12 UTC
    Last re-read
    Nov 5, 04:12 UTC

    Extracted facts

    Filer
    Brun Nicolas
    Role
    SVP PA, Comm & Sust
    Transaction
    Open-market saleAs filed: “S”
    Asset
    CONSTELLIUM SE
    Ticker
    CSTM
    Shares
    17.7K
    Price per share
    $24.67
    Value
    $436,684
    Execution date (reported)
    Mar 9, 2026
    Owned after transaction
    103.5K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 17.7K
    • Price: $24.67

    = $436,684

    What this establishes

    Brun Nicolas filed this Form 4 reporting a open-market sale of CSTM on Mar 9, 2026. It became public on Mar 11, 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 PA, Comm & Sust
    Brun Nicolascik:0002093242
    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.