INSIDER
01Overview02Follow the Money03Daily Brief04Live05Congress06Directory07Corporate Insiders08Government Money09Political Influence10Institutions11Washington Network12Follow the Power13Disclosure Clock14AI Investigator15Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodology
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 428m ago
HOUSE PTR27m ago
SEC 13F27m ago
ROBINHOOD CHAIN27m ago
SEC FORM 4/Open-market saleVerified dataRule 10b5-1 plan

Mehmel Robert F sold GFF

President and COO · GRIFFON CORP · Common Stock

Side
SELL
Value
$390
Shares
4
Price
$97.5
Executed
Jun 26, 2026
Disclosed
Jun 30, 2026
Disclosure timeline4 days from execution to publication · legal deadline 2 business days
Jun 26 executedJun 30, 2026 disclosed

GFF · 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
5/ 100 · ROUTINE
Methodology →
  • Transaction type+6 / 20

    Open-market sale

  • Relative size+1 / 25

    $390 reported value · 0.0% 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 & 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 · GFF

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    5
    MF
    Mehmel Robert FPresident and COO
    GFFGRIFFON CORP
    Open-market sale · 10b5-1 plan
    SELL$22K
    230 sh
    Jun 26, 2026Jun 30, 2026
    traded Jun 26, 2026
    +4dSEC FORM 4

    Evidence

    5
    MF
    Mehmel Robert FPresident and COO
    GFFGRIFFON CORP
    Open-market sale · 10b5-1 plan
    SELL$4,999
    52 sh
    Jun 26, 2026Jun 30, 2026
    traded Jun 26, 2026
    +4dSEC FORM 4

    Evidence

    18
    KJ
    Kramer Ronald JDirector, Chairman of the Board and CEO
    GFFGRIFFON CORP
    Gift
    G—
    5,000 sh
    Dec 24, 2025Dec 30, 2025
    traded Dec 24, 2025
    +6dSEC FORM 4

    Evidence

    18
    KJ
    Kramer Ronald JDirector, Chairman of the Board and CEO
    GFFGRIFFON CORP
    Gift
    G—
    62.8K sh
    Dec 24, 2025Dec 30, 2025
    traded Dec 24, 2025
    +6dSEC 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
    0001628280-26-046279
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jun 26, 2026
    Published
    Jun 30, 2026
    Ingested by INSIDER
    Nov 5, 03:50 UTC
    Last re-read
    Nov 5, 03:50 UTC

    Extracted facts

    Filer
    Mehmel Robert F
    Role
    President and COO
    Transaction
    Open-market saleAs filed: “S”
    Asset
    GRIFFON CORP
    Ticker
    GFF
    Shares
    4
    Price per share
    $97.5
    Value
    $390
    Execution date (reported)
    Jun 26, 2026
    Owned after transaction
    790.1K shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    4

    Calculation

    Value = shares × reported price per share

    • Shares: 4
    • Price: $97.5

    = $390

    What this establishes

    Mehmel Robert F filed this Form 4 reporting a open-market sale of GFF on Jun 26, 2026. It became public on Jun 30, 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
    President and COO
    Mehmel Robert Fcik:0001201289
    Issuer
    GRIFFON CORPcik:0000050725

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.