SEC Form 4 reporting owner

Mehmel Robert F

Mehmel Robert F has filed 34 Form 4 transactions reported between November 30, 2025 and August 11, 2026, as President and COO of GRIFFON CORP.

Name as filed: MEHMEL ROBERT F

Open-market buys, 24 mo
None
reported
Open-market sales, 24 mo
$9.4M
33 lines
Companies
1
with Form 4 filings
Latest transaction
Aug 11, 2026
transaction date

Roles and reported holdings

  • GFFGRIFFON CORP
    Nov 30, 2025 – Aug 11, 2026

    President and COO

    Held directly723,032 sh as of Aug 11, 2026 · Form 4

    24 months: $9.4M sold

Transaction history

All 34 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

DateCompanyTypeSharesValueFiling
Aug 11, 2026GFFPresident and COOOpen-market saleCode S · direct3,240$347K@ $107.16Form 4
Aug 10, 2026GFFPresident and COOOpen-market saleCode S · direct88$9K@ $105.21Form 4
Aug 10, 2026GFFPresident and COOOpen-market saleCode S · direct2,913$305K@ $104.64Form 4
Aug 10, 2026GFFPresident and COOOpen-market saleCode S · direct3,638$379K@ $104.08Form 4
Aug 7, 2026GFFPresident and COOOpen-market saleCode S · direct553$60K@ $108.09Form 4
Aug 7, 2026GFFPresident and COOOpen-market saleCode S · direct13,464$1.4M@ $107.43Form 4
Aug 7, 2026GFFPresident and COOOpen-market saleCode S · direct1,911$204K@ $106.60Form 4
Aug 6, 2026GFFPresident and COOOpen-market saleCode S · direct2,074$220K@ $106.27Form 4
Aug 6, 2026GFFPresident and COOOpen-market saleCode S · direct6,933$731K@ $105.46Form 4
Aug 6, 2026GFFPresident and COOOpen-market saleCode S · direct5,476$573K@ $104.56Form 4
Aug 6, 2026GFFPresident and COOOpen-market saleCode S · direct211$22K@ $103.52Form 4
Aug 6, 2026GFFPresident and COOOpen-market saleCode S · direct158$16K@ $102.03Form 4
Aug 5, 2026GFFPresident and COOOpen-market saleCode S · direct2,217$231K@ $104.12Form 4
Aug 5, 2026GFFPresident and COOOpen-market saleCode S · direct5,434$563K@ $103.53Form 4
Aug 5, 2026GFFPresident and COOOpen-market saleCode S · direct5,341$548K@ $102.59Form 4
Aug 5, 2026GFFPresident and COOOpen-market saleCode S · direct2,790$283K@ $101.44Form 4
Aug 5, 2026GFFPresident and COOOpen-market saleCode S · direct3,527$354K@ $100.46Form 4
Aug 5, 2026GFFPresident and COOOpen-market saleCode S · direct2,283$228K@ $99.67Form 4
Aug 5, 2026GFFPresident and COOOpen-market saleCode S · direct617$61K@ $98.68Form 4
Jun 30, 2026GFFPresident and COOOpen-market saleCode S · direct4,166$407K@ $97.76Form 4
Jun 26, 2026GFFPresident and COOOpen-market saleCode S · direct4$390@ $97.50Form 4
Jun 26, 2026GFFPresident and COOOpen-market saleCode S · direct52$5K@ $96.14Form 4
Jun 26, 2026GFFPresident and COOOpen-market saleCode S · direct230$22K@ $95.52Form 4
Jun 25, 2026GFFPresident and COOOpen-market saleCode S · direct1,190$116K@ $97.27Form 4
Jun 25, 2026GFFPresident and COOOpen-market saleCode S · direct1,534$148K@ $96.41Form 4
Jun 25, 2026GFFPresident and COOOpen-market saleCode S · direct5,149$492K@ $95.62Form 4
Jun 24, 2026GFFPresident and COOOpen-market saleCode S · direct100$10K@ $96.03Form 4
Jun 24, 2026GFFPresident and COOOpen-market saleCode S · direct4,626$442K@ $95.45Form 4
Jun 17, 2026GFFPresident and COOOpen-market saleCode S · direct547$52K@ $95.37Form 4
Jun 16, 2026GFFPresident and COOOpen-market saleCode S · direct97$9K@ $96.25Form 4
Jun 16, 2026GFFPresident and COOOpen-market saleCode S · direct2,921$279K@ $95.36Form 4
Jun 15, 2026GFFPresident and COOOpen-market saleCode S · direct3,272$312K@ $95.40Form 4
Jun 12, 2026GFFPresident and COOOpen-market saleCode S · direct5,501$524K@ $95.18Form 4
Nov 30, 2025GFFPresident and COOShares withheld for tax or exercise priceCode F · direct26,928$2.0M@ $75.00Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares owned after the latest purchase, sale, gift or tax-withholding line, shown separately for direct and indirect ownership; an indirect figure is one holding line, not a total across every trust or entity.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.