GFF
GRIFFON CORP
Latest Form 4:Sale$370KbySullivan Kevin F (Director) · filed Aug 14, 2026
GRIFFON CORP (GFF) has 42 SEC Form 4 filings (77 transaction rows) in the rolling window, disclosed by 11 distinct insiders. Most recent filing: Aug 14, 2026.
The most active filer is President and COO MEHMEL ROBERT F with 13 filings. Insiders have net sold $34.9M over the trailing 6 months.
- Industry:Construction Materials
- CEO:Ronald J. Kramer
- Employees:5,100
- HQ:New York City, NY, US
- IPO:1973-05-03
Insider Buying
$80K
reported purchases (SEC code P)
Insider Selling
$36.7M
reported sales (SEC code S)
Unique Insiders
11
in the rolling window
Market Cap
$4.5B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
Sullivan Kevin FFirst filing | Director | Sale | 3,500 | $370K | Aug 14 | SEC ↗ |
TURNBULL CHERYL LFirst filing | Director | Sale | 3,000 | $318K | Aug 14 | SEC ↗ |
| President and COO | Sale | 3,240 | $347K | Aug 13 | SEC ↗ | |
| President and COO | Sale | 15,928 | $1.7M | Aug 11 | SEC ↗ | |
| President and COO | Sale | 6,639 | $693K | Aug 11 | SEC ↗ | |
| EVP, Chief Financial Officer | Sale | 5,267 | $564K | Aug 11 | SEC ↗ | |
| President and COO | Sale | 22,209 | $2.3M | Aug 7 | SEC ↗ | |
| President and COO | Sale | 14,852 | $1.6M | Aug 7 | SEC ↗ | |
| Chairman of the Board and CEO | Sale | 100,000 | $10.2M | Aug 7 | SEC ↗ | |
| EVP, Chief Financial Officer | Sale | 11,050 | $1.1M | Aug 7 | SEC ↗ | |
| EVP, Chief Financial Officer | Sale | 6,183 | $606K | Jul 2 | SEC ↗ | |
| President and COO | Sale | 4,166 | $407K | Jul 2 | SEC ↗ | |
| President and COO | Sale | 286 | $27K | Jun 30 | SEC ↗ | |
| President and COO | Sale | 4,726 | $451K | Jun 26 | SEC ↗ | |
| President and COO | Sale | 7,873 | $756K | Jun 26 | SEC ↗ | |
| President and COO | Sale | 3,018 | $288K | Jun 18 | SEC ↗ | |
| President and COO | Sale | 547 | $52K | Jun 18 | SEC ↗ | |
MEHMEL ROBERT FFirst filing | President and COO | Sale | 5,501 | $524K | Jun 16 | SEC ↗ |
MEHMEL ROBERT FFirst filing | President and COO | Sale | 3,272 | $312K | Jun 16 | SEC ↗ |
KRAMER RONALD JFirst filing | Chairman of the Board and CEO | Sale | 100,000 | $9.5M | Jun 15 | SEC ↗ |
Harris Brian GFirst filing | EVP, Chief Financial Officer | Sale | 7,500 | $713K | Jun 15 | SEC ↗ |
ALPERT HENRY AFirst filing | Director | Purchase | 1,000 | $80K | Mar 9 | SEC ↗ |
Durborow W. ChristopherFirst filing | Vice President & CAO | Sale | 10,000 | $920K | Feb 18 | SEC ↗ |
Taylor Michelle LFirst filing | Director | Sale | 1,650 | $153K | Feb 17 | SEC ↗ |
Grabowsky Louis J.First filing | Director | Sale | 11,000 | $1.0M | Feb 17 | SEC ↗ |
Kaplan Seth L.First filing | Sr VP, Gen. Counsel and Secy | Sale | 15,000 | $1.4M | Feb 11 | SEC ↗ |
SIGHT JAMES WFirst filing | Director | Sale | 3,070 | $295K | Feb 11 | SEC ↗ |
Related companies
GRIFFON CORP is in the Manufacturing sector.