GFF Insider Trading Activity and SEC Form 4 Filings
Trump's trades in GFF
From his financial disclosures
$50K+
1 purchase
$16K+
2 sales
Sale
Jul 29, 2026
Reported 55d later
$15K - $50K
Sale
May 15, 2026
Reported 47d later
$1K - $15K
Purchase
Mar 30, 2026
Reported 45d later
$50K - $100K
Many orders in these accounts are placed by the account manager.
GFF insider trading summary
Over the past 12 months, insiders at Griffon Corp (GFF) reported 47 sales worth $34.6M by 8 insiders and 1 open-market purchase worth $80K by 1 insider on SEC Form 4. Net insider selling was $34.5M.
Latest GFF insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Nov 5, 2026 | Robert F Mehmel | President and COO | Sell | $744K (6,918 @ $107.56) |
| Nov 5, 2026 | Robert F Mehmel | President and COO | Sell | $89K (825 @ $108.13) |
| Aug 13, 2026 | Cheryl L Turnbull | Director | Sell | $318K (3,000 @ $106.12) |
| Aug 13, 2026 | Kevin F Sullivan | Director | Sell | $370K (3,500 @ $105.59) |
| Aug 11, 2026 | Robert F Mehmel | President and COO | Sell | $347K (3,240 @ $107.16) |
| Aug 10, 2026 | Robert F Mehmel | President and COO | Sell | $379K (3,638 @ $104.08) |
| Aug 10, 2026 | Robert F Mehmel | President and COO | Sell | $305K (2,913 @ $104.64) |
| Aug 10, 2026 | Robert F Mehmel | President and COO | Sell | $9K (88 @ $105.21) |
| Aug 7, 2026 | Robert F Mehmel | President and COO | Sell | $1.4M (13,464 @ $107.43) |
| Aug 7, 2026 | Brian G Harris | EVP, Chief Financial Officer | Sell | $564K (5,267 @ $107.11) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.