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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 429m ago
HOUSE PTR29m ago
SEC 13F29m ago
ROBINHOOD CHAIN28m ago
SEC FORM 4/Open-market saleVerified data

Ramanan Natarajan sold ERII

Chief Technology Officer · Energy Recovery, Inc. · Common Stock

Side
SELL
Value
$2,875
Shares
272
Price
$10.57
Executed
Mar 5, 2026
Disclosed
Mar 6, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
Mar 5 executedMar 6, 2026 disclosed

ERII · 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
21/ 100 · ROUTINE
Methodology →
  • Transaction type+12 / 20

    Open-market sale

  • Relative size+1 / 25

    $3K reported value · 0.5% 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 & clustering0 / 15

    No clustered activity in the dataset

  • 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 · ERII

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    39
    RA
    Ryan AidanInterim CFO
    ERIIEnergy Recovery, Inc.
    Grant or award
    A$215K
    18.5K sh
    May 6, 2026Jun 25, 2026
    traded May 6, 2026
    +50dSEC FORM 4

    Evidence

    21
    MS
    Mancini Michael S.Chief Financial Officer
    ERIIEnergy Recovery, Inc.
    Grant or award
    A—
    45.6K sh
    Feb 17, 2026Feb 19, 2026
    traded Feb 17, 2026
    +2dSEC FORM 4

    Evidence

    21
    HM
    Hostetler MatthewChief Human Resources Officer
    ERIIEnergy Recovery, Inc.
    Grant or award
    A—
    26.0K sh
    Feb 17, 2026Feb 19, 2026
    traded Feb 17, 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
    0002058874-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Mar 5, 2026
    Published
    Mar 6, 2026
    Ingested by INSIDER
    Nov 5, 04:13 UTC
    Last re-read
    Nov 5, 04:13 UTC

    Extracted facts

    Filer
    Ramanan Natarajan
    Role
    Chief Technology Officer
    Transaction
    Open-market saleAs filed: “S”
    Asset
    Energy Recovery, Inc.
    Ticker
    ERII
    Shares
    272
    Price per share
    $10.57
    Value
    $2,875
    Execution date (reported)
    Mar 5, 2026
    Owned after transaction
    52.6K shares
    Days from execution to publication
    1

    Calculation

    Value = shares × reported price per share

    • Shares: 272
    • Price: $10.57

    = $2,875

    What this establishes

    Ramanan Natarajan filed this Form 4 reporting a open-market sale of ERII on Mar 5, 2026. It became public on Mar 6, 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 Technology Officer
    Ramanan Natarajancik:0002058874
    Issuer
    Energy Recovery, Inc.cik:0001421517

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.