Robert Mehmel Insider Trades & Stock Holdings

President and COO · Griffon Corporation · Latest filing Jun 25, 2026

Robert Mehmel, President and COO at Griffon Corporation has 5 Form 4 trades on file since Jun 15, 2026. Open-market activity: 0 purchases ($0) and 5 sales ($1.86M), net -$1.86M. Latest filing: disposed of 7.87K shares of $GFF on Jun 25, 2026 at $96.02.

Trades on file

5

Open-market bought

$0

Open-market sold

$1.86M

Net open-market

-$1.86M

Latest filing

Jun 25, 2026

All insider trades by Robert Mehmel

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 25, 2026	$GFF	Sell (Open-market sale) 10b5-1	7.87K	$96.02	$755.99K			-3.2%	-2.8%		President and COO		Read
Jun 24, 2026	$GFF	Sell (Open-market sale) 10b5-1	4.73K	$95.46	$451.15K			-2.6%	-4.5%		President and COO		Read
Jun 17, 2026	$GFF	Sell (Open-market sale) 10b5-1	547	$95.37	$52.17K			+6.8%	+3.0%		President and COO		Read
Jun 16, 2026	$GFF	Sell (Open-market sale) 10b5-1	3.02K	$95.39	$287.88K			-3.9%	-0.4%		President and COO		Read
Jun 15, 2026	$GFF	Sell (Open-market sale) 10b5-1	3.27K	$95.40	$312.15K			-5.6%	-3.2%		President and COO		Read

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Robert Mehmel traded

• $GFF

Frequently asked questions

Has Robert Mehmel been buying or selling stock?

Robert Mehmel has 0 open-market purchases and 5 open-market sales on file, net -$1.86M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Robert Mehmel's latest insider trade?

disposed of 7.87K shares of $GFF on Jun 25, 2026 at $96.02.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.