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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 449m ago
HOUSE PTR49m ago
SEC 13F49m ago
ROBINHOOD CHAIN49m ago
SEC FORM 4/Open-market purchaseVerified data

Mandanas Mary Beth bought NRGV

Director · Energy Vault Holdings, Inc. · Common Stock

Side
BUY
Value
$18K
Shares
5,000
Price
$3.65
Executed
Mar 25, 2026
Disclosed
Mar 26, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Mar 25 executedMar 26, 2026 disclosed

NRGV · 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
34/ 100 · ELEVATED
Methodology →
  • Transaction type+20 / 20

    Open-market purchase

  • Relative size+1 / 25

    $18K reported value · 1.4% of prior position

  • Filing timing0 / 15

    Disclosed 1 business day 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 · NRGV

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    12
    LA
    Ladwa AkshayChief Operations Officer
    NRGVEnergy Vault Holdings, Inc.
    Tax withholding
    		F$209K
    52.7K sh
    		Sep 30, 2026Oct 2, 2026
    traded Sep 30, 2026
    		+2dSEC FORM 4

    Evidence

    35
    US
    Unwin StephanieDirector
    NRGVEnergy Vault Holdings, Inc.
    Open-market sale
    		SELL$427K
    115.0K sh
    		Aug 26, 2026Aug 28, 2026
    traded Aug 26, 2026
    		+2dSEC FORM 4

    Evidence

    40
    HD
    Hixon DylanDirector
    NRGVEnergy Vault Holdings, Inc.
    Open-market purchase
    		BUY$107K
    27.5K sh
    		Aug 17, 2026Aug 18, 2026
    traded Aug 17, 2026
    		+1dSEC FORM 4

    Evidence

    44
    HD
    Hixon DylanDirector
    NRGVEnergy Vault Holdings, Inc.
    Open-market purchase
    		BUY$119K
    31.9K sh
    		Aug 14, 2026Aug 17, 2026
    traded Aug 14, 2026
    		+3dSEC FORM 4

    Evidence

    44
    HD
    Hixon DylanDirector
    NRGVEnergy Vault Holdings, Inc.
    Open-market purchase
    		BUY$100K
    26.8K sh
    		Aug 14, 2026Aug 17, 2026
    traded Aug 14, 2026
    		+3dSEC FORM 4

    Evidence

    44
    HD
    Hixon DylanDirector
    NRGVEnergy Vault Holdings, Inc.
    Open-market purchase
    		BUY$100K
    26.8K sh
    		Aug 14, 2026Aug 17, 2026
    traded Aug 14, 2026
    		+3dSEC FORM 4

    Evidence

    5
    PR
    Piconi RobertDirector, Chief Executive Officer, 10% Owner
    NRGVEnergy Vault Holdings, Inc.
    Grant or award
    		A—
    3.89M sh
    		Jun 25, 2026Jun 26, 2026
    traded Jun 25, 2026
    		+1dSEC FORM 4

    Evidence

    13
    US
    Unwin StephanieDirector
    NRGVEnergy Vault Holdings, Inc.
    Grant or award
    		A—
    19.2K sh
    		May 29, 2026Jun 1, 2026
    traded May 29, 2026
    		+3dSEC FORM 4

    Evidence

    13
    FM
    Fariello Theresa MDirector
    NRGVEnergy Vault Holdings, Inc.
    Grant or award
    		A—
    19.2K sh
    		May 29, 2026Jun 1, 2026
    traded May 29, 2026
    		+3dSEC FORM 4

    Evidence

    13
    HD
    Hixon DylanDirector
    NRGVEnergy Vault Holdings, Inc.
    Grant or award
    		A—
    19.2K sh
    		May 29, 2026Jun 1, 2026
    traded May 29, 2026
    		+3dSEC FORM 4

    Evidence

    9
    MB
    Mandanas Mary BethDirector
    NRGVEnergy Vault Holdings, Inc.
    Grant or award
    		A—
    22.0K sh
    		May 29, 2026Jun 1, 2026
    traded May 29, 2026
    		+3dSEC FORM 4

    Evidence

    13
    ER
    Ertel Thomas RDirector
    NRGVEnergy Vault Holdings, Inc.
    Grant or award
    		A—
    22.0K sh
    		May 29, 2026Jun 1, 2026
    traded May 29, 2026
    		+3dSEC FORM 4

    Evidence

    9
    PL
    Paulson LarryDirector
    NRGVEnergy Vault Holdings, Inc.
    Grant or award
    		A—
    22.0K sh
    		May 29, 2026Jun 1, 2026
    traded May 29, 2026
    		+3dSEC FORM 4

    Evidence

    9
    BT
    Beer Michael ThomasChief Financial Officer
    NRGVEnergy Vault Holdings, Inc.
    Option exercise
    		M—
    50.0K sh
    		Apr 6, 2026Apr 8, 2026
    traded Apr 6, 2026
    		+2dSEC FORM 4

    Evidence

    8
    BT
    Beer Michael ThomasChief Financial Officer
    NRGVEnergy Vault Holdings, Inc.
    Option exercise
    		M$59K
    50.0K sh
    		Apr 6, 2026Apr 8, 2026
    traded Apr 6, 2026
    		+2dSEC FORM 4

    Evidence

    24
    BT
    Beer Michael ThomasChief Financial Officer
    NRGVEnergy Vault Holdings, Inc.
    Open-market sale
    		SELL$207K
    65.0K sh
    		Apr 6, 2026Apr 8, 2026
    traded Apr 6, 2026
    		+2dSEC FORM 4

    Evidence

    34
    PR
    Piconi RobertDirector, Chief Executive Officer, 10% Owner
    NRGVEnergy Vault Holdings, Inc.
    Open-market purchase
    		BUY$40K
    12.5K sh
    		Mar 31, 2026Apr 1, 2026
    traded Mar 31, 2026
    		+1dSEC FORM 4

    Evidence

    17
    LA
    Ladwa AkshayChief Operations Officer
    NRGVEnergy Vault Holdings, Inc.
    Grant or award
    		A—
    475.0K sh
    		Mar 12, 2026Mar 16, 2026
    traded Mar 12, 2026
    		+4dSEC FORM 4

    Evidence

    12
    PR
    Piconi RobertDirector, Chief Executive Officer, 10% Owner
    NRGVEnergy Vault Holdings, Inc.
    Tax withholding
    		F$206K
    68.7K sh
    		Mar 5, 2026Mar 6, 2026
    traded Mar 5, 2026
    		+1dSEC FORM 4

    Evidence

    9
    LA
    Ladwa AkshayChief Operations Officer
    NRGVEnergy Vault Holdings, Inc.
    Tax withholding
    		F$30K
    10.1K sh
    		Mar 5, 2026Mar 6, 2026
    traded Mar 5, 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
    0001857599-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Mar 25, 2026
    Published
    Mar 26, 2026
    Ingested by INSIDER
    Nov 5, 04:09 UTC
    Last re-read
    Nov 5, 04:09 UTC

    Extracted facts

    Filer
    Mandanas Mary Beth
    Role
    Director
    Transaction
    Open-market purchaseAs filed: “P”
    Asset
    Energy Vault Holdings, Inc.
    Ticker
    NRGV
    Shares
    5,000
    Price per share
    $3.65
    Value
    $18,250
    Execution date (reported)
    Mar 25, 2026
    Owned after transaction
    350.8K shares
    Days from execution to publication
    1

    Calculation

    Value = shares × reported price per share

    • Shares: 5,000
    • Price: $3.65

    = $18,250

    What this establishes

    Mandanas Mary Beth filed this Form 4 reporting a open-market purchase of NRGV on Mar 25, 2026. It became public on Mar 26, 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
    Mandanas Mary Bethcik:0001857599
    Issuer
    Energy Vault Holdings, Inc.cik:0001828536

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.