| $126M | ||
| $85M | ||
| $34M | ||
| $33M | ||
| $32M | ||
| $27M |
Buys | $79,990 | 1 | 4 |
Sells | $36,665,531 | 26 | 96 |
| ALPERT HENRY A | director | 1 | $79,990 | 0 | $0 | $79,990 |
| Taylor Michelle L | director | 0 | $0 | 1 | $152,724 | $-152,724 |
| SIGHT JAMES W | director | 0 | $0 | 1 | $295,181 | $-295,181 |
| TURNBULL CHERYL L | director | 0 | $0 | 1 | $318,360 | $-318,360 |
| Sullivan Kevin F | director | 0 | $0 | 1 | $369,565 | $-369,565 |
| Durborow W. Christopher | Vice President & CAO | 0 | $0 | 1 | $919,700 | $-919,700 |
| Grabowsky Louis J. | director | 0 | $0 | 1 | $1.02M | $-1.02M |
| Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | 0 | $0 | 1 | $1.43M | $-1.43M |
| Harris Brian G | EVP, Chief Financial Officer | 0 | $0 | 4 | $3.02M | $-3.02M |
| MEHMEL ROBERT F | President and COO | 0 | $0 | 13 | $9.4M | $-9.4M |
| KRAMER RONALD J | Chairman of the Board and CEO | 0 | $0 | 2 | $19.73M | $-19.73M |
Griffon Corporation is a global enterprise that operates through its various subsidiaries, providing an extensive range of consumer, professional, and home & building products. Its market reach extends across the United States, Europe, Canada, Australia, and other international territories. The company's Consumer and Professional Products division develops and distributes a wide spectrum of items designed for both residential and commercial clients. This includes a comprehensive selection of landscaping equipment like long-handled tools, …
Over the last 12 months, insiders at Griffon Corporation have bought $79,990 and sold $36.67M worth of Griffon Corporation stock.
On average, over the past 5 years, insiders at Griffon Corporation have bought $287,531 and sold $24.65M worth of stock each year.
Highest buying activity among insiders over the last 12 months: ALPERT HENRY A (director) — $79,990.
The last purchase of 1,000 shares for transaction amount of $79,990 was made by ALPERT HENRY A (director) on 2026‑03‑05.
| 2026-08-13 | Sale | Sullivan Kevin F | director | 3,500 0.0076% | $105.59 | $369,565 | -8.69% | |
| 2026-08-13 | Sale | TURNBULL CHERYL L | director | 3,000 0.0065% | $106.12 | $318,360 | -8.69% | |
| 2026-08-11 | Sale | MEHMEL ROBERT F | President and COO | 3,240 0.0071% | $107.16 | $347,198 | -9.31% | |
| 2026-08-10 | Sale | MEHMEL ROBERT F | President and COO | 6,639 0.0149% | $104.34 | $692,718 | -7.44% | |
| 2026-08-07 | Sale | MEHMEL ROBERT F | President and COO | 15,928 0.0359% | $107.35 | $1.71M | -9.33% | |
| 2026-08-07 | Sale | Harris Brian G | EVP, Chief Financial Officer | 5,267 0.0118% | $107.11 | $564,148 | -9.33% | |
| 2026-08-06 | Sale | MEHMEL ROBERT F | President and COO | 14,852 0.032% | $105.18 | $1.56M | -8.52% | |
| 2026-08-05 | Sale | KRAMER RONALD J | Chairman of the Board and CEO | 100,000 0.2172% | $102.42 | $10.24M | -5.40% | |
| 2026-08-05 | Sale | MEHMEL ROBERT F | President and COO | 22,209 0.0481% | $102.08 | $2.27M | -5.40% | |
| 2026-08-05 | Sale | Harris Brian G | EVP, Chief Financial Officer | 11,050 0.0242% | $103.27 | $1.14M | -5.40% | |
| 2026-06-30 | Sale | MEHMEL ROBERT F | President and COO | 4,166 0.0091% | $97.76 | $407,268 | -2.91% | |
| 2026-06-30 | Sale | Harris Brian G | EVP, Chief Financial Officer | 6,183 0.0135% | $98.01 | $605,996 | -2.91% | |
| 2026-06-26 | Sale | MEHMEL ROBERT F | President and COO | 286 0.0006% | $95.66 | $27,359 | -1.70% | |
| 2026-06-25 | Sale | MEHMEL ROBERT F | President and COO | 7,873 0.0172% | $96.02 | $755,992 | -1.13% | |
| 2026-06-24 | Sale | MEHMEL ROBERT F | President and COO | 4,726 0.0109% | $95.46 | $451,155 | +0.17% | |
| 2026-06-17 | Sale | MEHMEL ROBERT F | President and COO | 547 0.0013% | $95.37 | $52,167 | +6.69% | |
| 2026-06-16 | Sale | MEHMEL ROBERT F | President and COO | 3,018 0.0067% | $95.39 | $287,883 | +0.76% | |
| 2026-06-15 | Sale | MEHMEL ROBERT F | President and COO | 3,272 0.0072% | $95.40 | $312,149 | -0.05% | |
| 2026-06-12 | Sale | KRAMER RONALD J | Chairman of the Board and CEO | 100,000 0.2208% | $94.92 | $9.49M | +1.07% | |
| 2026-06-12 | Sale | MEHMEL ROBERT F | President and COO | 5,501 0.0122% | $95.18 | $523,585 | +1.07% |
| KRAMER RONALD J | Chairman of the Board and CEO | 1684297 3.6722% | $172.14M | 19 | 15 | +20.89% |
| MEHMEL ROBERT F | President and COO | 723032 1.5764% | $73.89M | 7 | 25 | +5.71% |
| Harris Brian G | EVP, Chief Financial Officer | 128649 0.2805% | $13.15M | 4 | 8 | +41.44% |
| Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | 119747 0.2611% | $12.24M | 2 | 8 | +21.25% |
| ALPERT HENRY A | director | 71479 0.1558% | $7.31M | 6 | 3 | +2.15% |
| Grabowsky Louis J. | director | 41670 0.0909% | $4.26M | 5 | 2 | +4.39% |
| Sullivan Kevin F | director | 40602 0.0885% | $4.15M | 3 | 3 | +26.12% |
| TURNBULL CHERYL L | director | 30039 0.0655% | $3.07M | 1 | 3 | <0.0001% |
| Durborow W. Christopher | Vice President & CAO | 29963 0.0653% | $3.06M | 1 | 3 | +44.96% |
| MITAROTONDA JAMES A | director | 854799 1.8637% | $87.36M | 7 | 0 | <0.0001% |
| BLAU HARVEY R | director | 440253 0.9599% | $44.99M | 21 | 6 | <0.0001% |
| WETMORE DOUGLAS J | Exec. VP and CFO | 225000 0.4906% | $23M | 1 | 0 | +12.08% |
| ALESIA PATRICK | Sr VP and Chief Admin Officer | 137316 0.2994% | $14.03M | 1 | 4 | <0.0001% |
| Fogg Blaine V | director | 38513 0.084% | $3.94M | 4 | 0 | +16.89% |
| BROSIG THOMAS | director | 35027 0.0764% | $3.58M | 2 | 0 | +42.49% |
| Coben Jerome L | director | 16525 0.036% | $1.69M | 2 | 2 | +21.62% |
| SUSSMAN MARTIN S | director | 14732 0.0321% | $1.51M | 1 | 0 | +14.65% |
| Johnson Lacy M. | director | 14430 0.0315% | $1.47M | 1 | 0 | +8.99% |
| STANSBERRY JAMES W | director | 11744 0.0256% | $1.2M | 1 | 1 | <0.0001% |
$59,984,516 | 18 | 9.08% | $22.95B | |
$147,941 | 1 | 16.33% | $62.22B |
| Increased Positions | 173 | +48.6% | 3M | +9.42% |
| Decreased Positions | 151 | -42.42% | 4M | -10.49% |
| New Positions | 49 | New | 448,913 | New |
| Sold Out Positions | 30 | Sold Out | 1M | Sold Out |
| Total Postitions | 378 | +6.18% | 36M | -1.07% |
| Vanguard Group Inc | $441,778.00 | 12.8% | 5.89M | -96,503 | -1.61% | 2025-09-30 |
| Blackrock, Inc. | $437,430.00 | 12.67% | 5.83M | -487,254 | -7.71% | 2025-09-30 |
| Voss Capital, Lp | $115,186.00 | 3.34% | 1.53M | +185,000 | +13.7% | 2025-09-30 |
| State Street Corp | $114,384.00 | 3.31% | 1.52M | +20,515 | +1.36% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $82,079.00 | 2.38% | 1.09M | -59,069 | -5.12% | 2025-09-30 |
| Geode Capital Management, Llc | $69,112.00 | 2% | 921,005 | +16,001 | +1.77% | 2025-09-30 |
| Lsv Asset Management | $59,146.00 | 1.71% | 788,195 | -17,200 | -2.14% | 2025-09-30 |
| Macquarie Group Ltd | $58,516.00 | 1.7% | 779,798 | -63,087 | -7.49% | 2025-09-30 |
| Raymond James Financial Inc | $53,296.00 | 1.54% | 710,229 | -8,817 | -1.23% | 2025-09-30 |
| Fuller & Thaler Asset Management, Inc. | $53,221.00 | 1.54% | 709,235 | -969,480 | -57.75% | 2025-09-30 |