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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 439m ago
HOUSE PTR39m ago
SEC 13F39m ago
ROBINHOOD CHAIN38m ago
SEC FORM 4/Open-market saleVerified dataRule 10b5-1 plan

Haas Rene A. sold ARM

Director, Chief Executive Officer · ARM HOLDINGS PLC /UK · Ordinary Shares

Side
SELL
Value
$857K
Shares
5,344
Price
$160.41
Executed
Mar 26, 2026
Disclosed
Mar 27, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Mar 26 executedMar 27, 2026 disclosed

ARM · 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
7/ 100 · ROUTINE
Methodology →
  • Transaction type+6 / 20

    Open-market sale

  • Relative size+7 / 25

    $857K reported value · 1.9% of prior position

  • Filing timing0 / 15

    Disclosed 1 business day after execution (deadline: 2)

  • Historical behavior+4 / 15

    4 prior trades recorded 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

  • Pre-arranged plan-10

    Executed under a Rule 10b5-1 trading plan

  • 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 · ARM

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    14
    CJ
    Child JasonChief Financial Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale · 10b5-1 plan
    SELL$3.12M
    10.4K sh
    Sep 21, 2026Sep 23, 2026
    traded Sep 21, 2026
    +2dSEC FORM 4

    Evidence

    13
    AW
    Abbey WilliamChief Commercial Officer
    ARMARM HOLDINGS PLC /UK
    Grant or award
    A—
    17.3K sh
    Sep 14, 2026Sep 16, 2026
    traded Sep 14, 2026
    +2dSEC FORM 4

    Evidence

    12
    HA
    Haas Rene A.Director, Chief Executive Officer
    ARMARM HOLDINGS PLC /UK
    Grant or award
    A$6,933
    64 sh
    Aug 31, 2026Sep 10, 2026
    traded Aug 31, 2026
    +10dSEC FORM 4

    Evidence

    2
    HA
    Haas Rene A.Director, Chief Executive Officer
    ARMARM HOLDINGS PLC /UK
    Grant or award
    A—
    425.0K sh
    Sep 9, 2026Sep 10, 2026
    traded Sep 9, 2026
    +1dSEC FORM 4

    Evidence

    18
    CJ
    Child JasonChief Financial Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale · 10b5-1 plan
    SELL$2.66M
    10.4K sh
    Aug 27, 2026Aug 31, 2026
    traded Aug 27, 2026
    +4dSEC FORM 4

    Evidence

    12
    SJ
    Sine JeffreyDirector
    ARMARM HOLDINGS PLC /UK
    Gift
    G—
    9,572 sh
    Aug 7, 2026Aug 11, 2026
    traded Aug 7, 2026
    +4dSEC FORM 4

    Evidence

    53
    BK
    Bartels Laura KathleenChief Accounting Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$4.44M
    11.3K sh
    Jun 2, 2026Jun 4, 2026
    traded Jun 2, 2026
    +2dSEC FORM 4

    Evidence

    45
    AW
    Abbey WilliamChief Commercial Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$1.44M
    4,200 sh
    May 28, 2026Jun 1, 2026
    traded May 28, 2026
    +4dSEC FORM 4

    Evidence

    42
    AW
    Abbey WilliamChief Commercial Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$703K
    2,300 sh
    May 22, 2026May 26, 2026
    traded May 22, 2026
    +4dSEC FORM 4

    Evidence

    46
    EC
    Eaton Charlotte ClaireChief People Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$808K
    2,805 sh
    May 21, 2026May 22, 2026
    traded May 21, 2026
    +1dSEC FORM 4

    Evidence

    45
    AW
    Abbey WilliamChief Commercial Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$1.34M
    4,655 sh
    May 21, 2026May 22, 2026
    traded May 21, 2026
    +1dSEC FORM 4

    Evidence

    53
    EC
    Eaton Charlotte ClaireChief People Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$1.46M
    5,000 sh
    May 21, 2026May 22, 2026
    traded May 21, 2026
    +1dSEC FORM 4

    Evidence

    53
    AW
    Abbey WilliamChief Commercial Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$2.44M
    10.9K sh
    May 19, 2026May 21, 2026
    traded May 19, 2026
    +2dSEC FORM 4

    Evidence

    50
    CS
    Collins SpencerChief Legal Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$8.80M
    40.9K sh
    May 19, 2026May 21, 2026
    traded May 19, 2026
    +2dSEC FORM 4

    Evidence

    45
    AW
    Abbey WilliamChief Commercial Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$1.30M
    5,069 sh
    May 20, 2026May 21, 2026
    traded May 20, 2026
    +1dSEC FORM 4

    Evidence

    50
    EC
    Eaton Charlotte ClaireChief People Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$782K
    3,100 sh
    May 20, 2026May 21, 2026
    traded May 20, 2026
    +1dSEC FORM 4

    Evidence

    49
    EC
    Eaton Charlotte ClaireChief People Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$1.13M
    4,000 sh
    May 21, 2026May 21, 2026
    traded May 21, 2026
    +0dSEC FORM 4

    Evidence

    48
    CS
    Collins SpencerChief Legal Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$2.26M
    10.7K sh
    May 11, 2026May 13, 2026
    traded May 11, 2026
    +2dSEC FORM 4

    Evidence

    48
    CS
    Collins SpencerChief Legal Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$2.07M
    9,815 sh
    May 11, 2026May 13, 2026
    traded May 11, 2026
    +2dSEC FORM 4

    Evidence

    44
    CS
    Collins SpencerChief Legal Officer
    ARMARM HOLDINGS PLC /UK
    Open-market sale
    SELL$1.12M
    5,353 sh
    May 11, 2026May 13, 2026
    traded May 11, 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
    0001973239-26-000054
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Mar 26, 2026
    Published
    Mar 27, 2026
    Ingested by INSIDER
    Nov 5, 04:09 UTC
    Last re-read
    Nov 5, 04:09 UTC

    Extracted facts

    Filer
    Haas Rene A.
    Role
    Director, Chief Executive Officer
    Transaction
    Open-market saleAs filed: “S”
    Asset
    ARM HOLDINGS PLC /UK
    Ticker
    ARM
    Shares
    5,344
    Price per share
    $160.41
    Value
    $857,231
    Execution date (reported)
    Mar 26, 2026
    Owned after transaction
    283.0K shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    1

    Calculation

    Value = shares × reported price per share

    • Shares: 5,344
    • Price: $160.41

    = $857,231

    What this establishes

    Haas Rene A. filed this Form 4 reporting a open-market sale of ARM on Mar 26, 2026. It became public on Mar 27, 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
    Director, Chief Executive Officer
    Haas Rene A.cik:0001998912
    Issuer
    ARM HOLDINGS PLC /UKcik:0001973239

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.