Robert F Mehmel Sells $833K of Griffon Corp (GFF) — SEC Form 4, Nov 06, 2026

Open-Market Net Sale · SEC Form 4

−$833,307

10b5-1 Plan

Equity position changed by -1.1%

Reporting Owner

Robert F Mehmel

COO

TXN 2026-11-05 · FILED 2026-11-06

Equity Position 720K sh 727,251 → 719,508

Equity Change -1.1% shares held after vs before

Filing Lag 1 business day within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

Griffon Corp

GFF CIK 0000050725

Reporting Owner

Name	Relationship
Robert F Mehmel CIK 0001201289	COO

Robert F Mehmel at Griffon Corp Full insider history

Bought (12 mo) —

Sold (12 mo) $10,229,918

More from this insider at Griffon Corp

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Common StockF1	2026-11-05	S - Sale 10b5-1	6,918 D	$107.56	-$744,100	716,114	Direct
Common StockF2	2026-11-05	S - Sale 10b5-1	825 D	$108.13	-$89,207	715,289	Direct

Non-Derivative Holdings

Title	Shares Held	Ownership
Common Stock	4,219	Indirect by ESOP

Footnotes (2)

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.00 to $107.99, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1) and (2) to this Form 4. Show more
F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.00 to $108.32, inclusive. Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 2 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Griffon Corp

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