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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 BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
01Overview02Follow the Money03Daily Brief04Live05Congress06Directory07Corporate Insiders08Government Money09Political Influence10Institutions11Washington Network12Follow the Power13Disclosure Clock14AI Investigator15Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
OverviewFollow the MoneyDaily BriefLiveCongressDirectoryCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
Data sources
SEC FORM 41h ago
HOUSE PTR1h ago
SEC 13F1h ago
ROBINHOOD CHAIN1h ago
SEC FORM 4/Open-market purchaseVerified data

Gross Mario bought AMRZ

Chief Supply Chain Officer · Amrize Ltd · Ordinary Shares

Side
BUY
Value
$149K
Shares
3,200
Price
$46.62
Executed
Aug 11, 2026
Disclosed
Aug 13, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Aug 11 executedAug 13, 2026 disclosed

AMRZ · 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
47/ 100 · ELEVATED
Methodology →
  • Transaction type+20 / 20

    Open-market purchase

  • Relative size+8 / 25

    $149K reported value · 9.2% of prior position

  • Filing timing0 / 15

    Disclosed 2 business days after execution (deadline: 2)

  • Historical behavior+4 / 15

    5 prior trades recorded in this security

  • Frequency & clustering+15 / 15

    6 other actors 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 · AMRZ

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    43
    JP
    Jenisch Jan PhilippDirector, Chairman & CEO
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$638K
    15.0K sh
    		Sep 2, 2026Sep 3, 2026
    traded Sep 2, 2026
    		+1dSEC FORM 4

    Evidence

    40
    JP
    Jenisch Jan PhilippDirector, Chairman & CEO
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$85K
    2,000 sh
    		Sep 2, 2026Sep 3, 2026
    traded Sep 2, 2026
    		+1dSEC FORM 4

    Evidence

    40
    JP
    Jenisch Jan PhilippDirector, Chairman & CEO
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$85K
    2,000 sh
    		Sep 2, 2026Sep 3, 2026
    traded Sep 2, 2026
    		+1dSEC FORM 4

    Evidence

    37
    JP
    Jenisch Jan PhilippDirector, Chairman & CEO
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$42K
    1,000 sh
    		Sep 2, 2026Sep 3, 2026
    traded Sep 2, 2026
    		+1dSEC FORM 4

    Evidence

    43
    JP
    Jenisch Jan PhilippDirector, Chairman & CEO
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$424K
    10.0K sh
    		Sep 2, 2026Sep 3, 2026
    traded Sep 2, 2026
    		+1dSEC FORM 4

    Evidence

    44
    GK
    Gibson Dwight Audley KonradDirector
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$244
    5 sh
    		Aug 27, 2026Aug 31, 2026
    traded Aug 27, 2026
    		+4dSEC FORM 4

    Evidence

    59
    SW
    Sanche Jacques WolfDirector
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$187K
    4,150 sh
    		Aug 26, 2026Aug 26, 2026
    traded Aug 26, 2026
    		+0dSEC FORM 4

    Evidence

    47
    FN
    Forrest NollaigChief Mktg & Corp Affairs Off
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$66K
    1,500 sh
    		Aug 25, 2026Aug 25, 2026
    traded Aug 25, 2026
    		+0dSEC FORM 4

    Evidence

    55
    PJ
    Poletti Samuel JonasChief Strategy & M&A Officer
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$118K
    2,510 sh
    		Aug 17, 2026Aug 18, 2026
    traded Aug 17, 2026
    		+1dSEC FORM 4

    Evidence

    55
    OB
    Oran BarisChief Financial Officer
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$141K
    3,000 sh
    		Aug 12, 2026Aug 13, 2026
    traded Aug 12, 2026
    		+1dSEC FORM 4

    Evidence

    47
    HJ
    Hill JaimePresident, Building Materials
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$71K
    1,500 sh
    		Aug 11, 2026Aug 13, 2026
    traded Aug 11, 2026
    		+2dSEC FORM 4

    Evidence

    47
    BR
    Brouwer RoaldChief Technology Officer
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$70K
    1,500 sh
    		Aug 11, 2026Aug 13, 2026
    traded Aug 11, 2026
    		+2dSEC FORM 4

    Evidence

    40
    GM
    Gross MarioChief Supply Chain Officer
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$17K
    368 sh
    		Aug 11, 2026Aug 13, 2026
    traded Aug 11, 2026
    		+2dSEC FORM 4

    Evidence

    59
    CS
    Clark Stephen SChief People Officer
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$249K
    5,260 sh
    		Aug 11, 2026Aug 13, 2026
    traded Aug 11, 2026
    		+2dSEC FORM 4

    Evidence

    59
    OB
    Oran BarisChief Financial Officer
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$142K
    3,000 sh
    		Aug 11, 2026Aug 13, 2026
    traded Aug 11, 2026
    		+2dSEC FORM 4

    Evidence

    11
    BR
    Brouwer RoaldChief Technology Officer
    AMRZAmrize Ltd
    Grant or award
    		A$11K
    233 sh
    		Jun 30, 2026Jul 7, 2026
    traded Jun 30, 2026
    		+7dSEC FORM 4

    Evidence

    51
    FN
    Forrest NollaigChief Mktg & Corp Affairs Off
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$101K
    2,000 sh
    		May 22, 2026May 26, 2026
    traded May 22, 2026
    		+4dSEC FORM 4

    Evidence

    47
    BR
    Brouwer RoaldChief Technology Officer
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$75K
    1,500 sh
    		May 21, 2026May 21, 2026
    traded May 21, 2026
    		+0dSEC FORM 4

    Evidence

    47
    GM
    Gross MarioChief Supply Chain Officer
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$89K
    1,800 sh
    		May 19, 2026May 21, 2026
    traded May 19, 2026
    		+2dSEC FORM 4

    Evidence

    40
    GM
    Gross MarioChief Supply Chain Officer
    AMRZAmrize Ltd
    Open-market purchase
    		BUY$49K
    1,000 sh
    		May 19, 2026May 21, 2026
    traded May 19, 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
    0002069180-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Aug 11, 2026
    Published
    Aug 13, 2026
    Ingested by INSIDER
    Nov 5, 02:23 UTC
    Last re-read
    Nov 5, 02:23 UTC

    Extracted facts

    Filer
    Gross Mario
    Role
    Chief Supply Chain Officer
    Transaction
    Open-market purchaseAs filed: “P”
    Asset
    Amrize Ltd
    Ticker
    AMRZ
    Shares
    3,200
    Price per share
    $46.62
    Value
    $149,184
    Execution date (reported)
    Aug 11, 2026
    Owned after transaction
    38.1K shares
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 3,200
    • Price: $46.62

    = $149,184

    What this establishes

    Gross Mario filed this Form 4 reporting a open-market purchase of AMRZ on Aug 11, 2026. It became public on Aug 13, 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 Supply Chain Officer
    Gross Mariocik:0002069180
    Issuer
    Amrize Ltdcik:0002035989

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.