GFF · Griffon Corporation Common Stock
View on chartInsiders & Stakes
| Ronald J. Kramer Chairman of the Board and CEO | ▼ Sell | Open Market | 1,684,297 Shares held | 8/5/2026 | View profile |
| MEHMEL ROBERT F President and COO | ▼ Sell | Open Market | 723,032 Shares held | 8/11/2026 | View profile |
| Harris Brian G SVP, Chief Financial Officer | ▼ Sell | Open Market | 128,649 Shares held | 8/7/2026 | View profile |
| Kaplan Seth L. Sr VP, Gen. Counsel and Secy | ▼ Sell | Open Market | 119,747 Shares held | 2/9/2026 | View profile |
| ALPERT HENRY A Director | ▲ Buy | Open Market | 71,479 Shares held | 3/5/2026 | View profile |
| HARRISON ROBERT G Director | ▲ Buy | Grant | 50,296 Shares held | 3/3/2022 | View profile |
| Grabowsky Louis J. Director | ▲ Buy | Grant | 43,010 Shares held | 2/18/2026 | View profile |
| Sullivan Kevin F Director | ▼ Sell | Open Market | 40,602 Shares held | 8/13/2026 | View profile |
| Thomas Brosig Director | ▲ Buy | Grant | 39,273 Shares held | 3/3/2022 | View profile |
| TURNBULL CHERYL L Director | ▼ Sell | Open Market | 30,039 Shares held | 8/13/2026 | View profile |
| Durborow W. Christopher Vice President & CAO | ▼ Sell | Open Market | 29,963 Shares held | 2/17/2026 | View profile |
| Lacy M. Johnson Director | ▲ Buy | Grant | 26,443 Shares held | 2/18/2026 | View profile |
| Stewart Samanta H Director | ▲ Buy | Grant | 26,055 Shares held | 2/18/2026 | View profile |
| Coben Jerome L Director | ▲ Buy | Grant | 19,459 Shares held | 2/18/2026 | View profile |
| Renuart Victor Eugene Director | ▼ Sell | Open Market | 19,312 Shares held | 11/26/2024 | View profile |
| SIGHT JAMES W Director | ▲ Buy | Grant | 15,212 Shares held | 2/18/2026 | View profile |
| Diao H.C. Charles Director | ▲ Buy | Grant | 12,013 Shares held | 2/18/2026 | View profile |
| Taylor Michelle L Director | ▲ Buy | Grant | 10,363 Shares held | 2/18/2026 | View profile |
| Cocke Travis W. Director | ▼ Sell | Other | 276 Shares held | 2/20/2024 | View profile |
Transaction History
| TURNBULL CHERYL L | ▼ Sell | Open Market | 3,000 | $318K | 8/13/2026 |
| Sullivan Kevin F | ▼ Sell | Open Market | 3,500 | $370K | 8/13/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 3,240 | $347K | 8/11/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 3,638 | $379K | 8/10/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 2,913 | $305K | 8/10/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 88 | $9K | 8/10/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 1,911 | $204K | 8/7/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 13,464 | $1.4M | 8/7/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 553 | $60K | 8/7/2026 |
| Harris Brian G | ▼ Sell | Open Market | 5,267 | $564K | 8/7/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 158 | $16K | 8/6/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 211 | $22K | 8/6/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 5,476 | $573K | 8/6/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 6,933 | $731K | 8/6/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 2,074 | $220K | 8/6/2026 |
| Ronald J. Kramer | ▼ Sell | Open Market | 8,120 | $847K | 8/5/2026 |
| Harris Brian G | ▼ Sell | Open Market | 8,817 | $909K | 8/5/2026 |
| Harris Brian G | ▼ Sell | Open Market | 2,233 | $232K | 8/5/2026 |
| Ronald J. Kramer | ▼ Sell | Open Market | 12,916 | $1.3M | 8/5/2026 |
| Ronald J. Kramer | ▼ Sell | Open Market | 17,322 | $1.8M | 8/5/2026 |
| Ronald J. Kramer | ▼ Sell | Open Market | 45,240 | $4.6M | 8/5/2026 |
| Ronald J. Kramer | ▼ Sell | Open Market | 16,402 | $1.7M | 8/5/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 617 | $61K | 8/5/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 2,283 | $228K | 8/5/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 3,527 | $354K | 8/5/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 2,790 | $283K | 8/5/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 5,341 | $548K | 8/5/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 5,434 | $563K | 8/5/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 2,217 | $231K | 8/5/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 4,166 | $407K | 6/30/2026 |
| Harris Brian G | ▼ Sell | Open Market | 6,183 | $606K | 6/30/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 230 | $22K | 6/26/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 52 | $5K | 6/26/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 4 | $390 | 6/26/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 5,149 | $492K | 6/25/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 1,534 | $148K | 6/25/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 1,190 | $116K | 6/25/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 4,626 | $442K | 6/24/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 100 | $10K | 6/24/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 547 | $52K | 6/17/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 2,921 | $279K | 6/16/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 97 | $9K | 6/16/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 3,272 | $312K | 6/15/2026 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 5,501 | $524K | 6/12/2026 |
| Ronald J. Kramer | ▼ Sell | Open Market | 51,029 | $4.9M | 6/12/2026 |
| Ronald J. Kramer | ▼ Sell | Open Market | 48,971 | $4.6M | 6/12/2026 |
| Harris Brian G | ▼ Sell | Open Market | 7,500 | $713K | 6/11/2026 |
| ALPERT HENRY A | ▲ Buy | Open Market | 1,000 | $80K | 3/5/2026 |
| Grabowsky Louis J. | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| Lacy M. Johnson | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| ALPERT HENRY A | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| Sullivan Kevin F | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| SIGHT JAMES W | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| Stewart Samanta H | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| TURNBULL CHERYL L | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| Taylor Michelle L | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| Coben Jerome L | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| Diao H.C. Charles | ▲ Buy | Grant | 1,340 | $0 | 2/18/2026 |
| Durborow W. Christopher | ▼ Sell | Open Market | 10,000 | $920K | 2/17/2026 |
| Grabowsky Louis J. | ▼ Sell | Open Market | 11,000 | $1.0M | 2/13/2026 |
| Taylor Michelle L | ▼ Sell | Open Market | 1,650 | $153K | 2/12/2026 |
| Kaplan Seth L. | ▼ Sell | Open Market | 7,086 | $671K | 2/9/2026 |
| Kaplan Seth L. | ▼ Sell | Open Market | 4,274 | $409K | 2/9/2026 |
| Kaplan Seth L. | ▼ Sell | Open Market | 3,240 | $313K | 2/9/2026 |
| Kaplan Seth L. | ▼ Sell | Open Market | 400 | $39K | 2/9/2026 |
| SIGHT JAMES W | ▼ Sell | Open Market | 3,070 | $295K | 2/9/2026 |
| Ronald J. Kramer | ▼ Sell | Gift | 62,785 | $0 | 12/24/2025 |
| Ronald J. Kramer | ▼ Sell | Gift | 5,000 | $0 | 12/24/2025 |
| Kaplan Seth L. | ▼ Sell | Gift | 600 | $0 | 12/22/2025 |
| ALPERT HENRY A | ▼ Sell | Gift | 2,150 | $0 | 12/4/2025 |
| Harris Brian G | ▼ Sell | Tax Withholding | 7,610 | $571K | 11/30/2025 |
| Ronald J. Kramer | ▼ Sell | Tax Withholding | 74,079 | $5.6M | 11/30/2025 |
| Kaplan Seth L. | ▼ Sell | Tax Withholding | 8,921 | $669K | 11/30/2025 |
| Durborow W. Christopher | ▼ Sell | Tax Withholding | 4,343 | $326K | 11/30/2025 |
| MEHMEL ROBERT F | ▼ Sell | Tax Withholding | 26,928 | $2.0M | 11/30/2025 |
| Ronald J. Kramer | ▲ Buy | Grant | 136,864 | $0 | 11/18/2025 |
| MEHMEL ROBERT F | ▲ Buy | Grant | 68,432 | $0 | 11/18/2025 |
| Sullivan Kevin F | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| ALPERT HENRY A | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| Coben Jerome L | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| Lacy M. Johnson | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| Stewart Samanta H | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| SIGHT JAMES W | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| TURNBULL CHERYL L | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| Diao H.C. Charles | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| Taylor Michelle L | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| Grabowsky Louis J. | ▲ Buy | Grant | 1,594 | $0 | 3/11/2025 |
| ALPERT HENRY A | ▼ Sell | Gift | 1,466 | $0 | 2/27/2025 |
| Stewart Samanta H | ▼ Sell | Open Market | 1,236 | $98K | 2/7/2025 |
| TURNBULL CHERYL L | ▼ Sell | Open Market | 3,000 | $242K | 2/6/2025 |
| SIGHT JAMES W | ▼ Sell | Open Market | 1,360 | $110K | 2/6/2025 |
| Ronald J. Kramer | ▲ Buy | Grant | 108,000 | $0 | 2/4/2025 |
| Ronald J. Kramer | ▲ Buy | Grant | 302,764 | $0 | 2/4/2025 |
| Ronald J. Kramer | ▼ Sell | Tax Withholding | 378,213 | $29.1M | 2/4/2025 |
| MEHMEL ROBERT F | ▲ Buy | Grant | 36,000 | $0 | 2/4/2025 |
| MEHMEL ROBERT F | ▲ Buy | Grant | 151,382 | $0 | 2/4/2025 |
| MEHMEL ROBERT F | ▼ Sell | Tax Withholding | 111,511 | $8.6M | 2/4/2025 |
| Durborow W. Christopher | ▼ Sell | Open Market | 5,170 | $416K | 12/6/2024 |
| Ronald J. Kramer | ▼ Sell | Gift | 4,000 | $0 | 12/5/2024 |
| Kaplan Seth L. | ▼ Sell | Open Market | 8,327 | $686K | 12/2/2024 |
| Kaplan Seth L. | ▼ Sell | Open Market | 4,239 | $353K | 12/2/2024 |
| Kaplan Seth L. | ▼ Sell | Open Market | 100 | $8K | 12/2/2024 |
| Harris Brian G | ▼ Sell | Open Market | 13,983 | $1.2M | 12/2/2024 |
| Harris Brian G | ▼ Sell | Open Market | 4,557 | $379K | 12/2/2024 |
| Kaplan Seth L. | ▼ Sell | Tax Withholding | 10,407 | $877K | 11/30/2024 |
| Durborow W. Christopher | ▼ Sell | Tax Withholding | 5,243 | $442K | 11/30/2024 |
| Harris Brian G | ▼ Sell | Tax Withholding | 8,879 | $748K | 11/30/2024 |
| MEHMEL ROBERT F | ▼ Sell | Gift | 15,000 | $0 | 11/27/2024 |
| Renuart Victor Eugene | ▼ Sell | Open Market | 4,500 | $380K | 11/26/2024 |
| Kaplan Seth L. | ▼ Sell | Gift | 400 | $0 | 11/19/2024 |
| Kaplan Seth L. | ▼ Sell | Gift | 400 | $0 | 11/18/2024 |
| ALPERT HENRY A | ▼ Sell | Gift | 3,234 | $0 | 11/18/2024 |
| Sullivan Kevin F | ▼ Sell | Open Market | 9,222 | $696K | 11/18/2024 |
| SIGHT JAMES W | ▼ Sell | Open Market | 3,660 | $280K | 11/14/2024 |
| Coben Jerome L | ▼ Sell | Open Market | 2,052 | $157K | 11/14/2024 |
| Stewart Samanta H | ▼ Sell | Open Market | 3,095 | $249K | 11/14/2024 |
| Grabowsky Louis J. | ▼ Sell | Open Market | 10,900 | $840K | 11/14/2024 |
| Grabowsky Louis J. | ▼ Sell | Open Market | 100 | $8K | 11/14/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 1,781 | $130K | 11/13/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 1,719 | $128K | 11/13/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 7,664 | $573K | 11/13/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 12,653 | $953K | 11/13/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 1,183 | $90K | 11/13/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 4,100 | $292K | 11/13/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 5,536 | $401K | 11/13/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 11,020 | $809K | 11/13/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 80,105 | $6.0M | 11/13/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 90,741 | $6.8M | 11/13/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 17,000 | $1.3M | 11/13/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 15,148 | $1.2M | 11/13/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 18,107 | $1.4M | 11/13/2024 |
| Durborow W. Christopher | ▲ Buy | Grant | 6,351 | $0 | 11/12/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 67,164 | $4.7M | 11/11/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 8,697 | $610K | 11/11/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 912 | $64K | 10/16/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 6,532 | $458K | 10/16/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 300 | $21K | 10/2/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 84 | $6K | 10/1/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 1,821 | $128K | 10/1/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 3,121 | $218K | 9/30/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 3,265 | $229K | 9/27/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 13,690 | $959K | 9/27/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 3,174 | $222K | 9/23/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 20,135 | $1.4M | 9/23/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 6,233 | $437K | 9/20/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 1,205 | $84K | 9/20/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 39,247 | $2.7M | 9/19/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 7,663 | $537K | 9/19/2024 |
| Kaplan Seth L. | ▼ Sell | Open Market | 30,430 | $2.1M | 9/19/2024 |
| Kaplan Seth L. | ▼ Sell | Open Market | 4,844 | $339K | 9/18/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 7,892 | $535K | 9/18/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 2,897 | $199K | 9/18/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 2,154 | $149K | 9/18/2024 |
| Harris Brian G | ▼ Sell | Open Market | 5,819 | $394K | 9/17/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 9,148 | $620K | 9/17/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 2,909 | $199K | 9/17/2024 |
| Harris Brian G | ▼ Sell | Open Market | 251 | $17K | 9/16/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 7,903 | $526K | 9/16/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 1,989 | $133K | 9/16/2024 |
| Harris Brian G | ▼ Sell | Open Market | 10,000 | $656K | 9/13/2024 |
| Harris Brian G | ▼ Sell | Open Market | 3,314 | $224K | 9/13/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 1,052 | $69K | 9/13/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 7,587 | $506K | 9/13/2024 |
| MEHMEL ROBERT F | ▼ Sell | Open Market | 6,469 | $437K | 9/13/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 37,366 | $2.3M | 9/11/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 59,393 | $3.7M | 9/11/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 3,241 | $204K | 9/11/2024 |
| Sullivan Kevin F | ▼ Sell | Open Market | 12,447 | $809K | 8/22/2024 |
| Ronald J. Kramer | ▼ Sell | Gift | 140,000 | $0 | 6/25/2024 |
| Durborow W. Christopher | ▼ Sell | Open Market | 13,000 | $869K | 6/12/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 41,175 | $2.7M | 6/12/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 47,748 | $3.2M | 6/12/2024 |
| Ronald J. Kramer | ▼ Sell | Open Market | 11,077 | $753K | 6/12/2024 |
| Sullivan Kevin F | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| Coben Jerome L | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| Lacy M. Johnson | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| SIGHT JAMES W | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| Diao H.C. Charles | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| Renuart Victor Eugene | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| TURNBULL CHERYL L | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| ALPERT HENRY A | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| Taylor Michelle L | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| Grabowsky Louis J. | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| Stewart Samanta H | ▲ Buy | Grant | 1,525 | $0 | 3/20/2024 |
| Coben Jerome L | ▼ Sell | Open Market | 2,000 | $139K | 2/26/2024 |
| Cocke Travis W. | ▼ Sell | Other | 440,000 | $28.8M | 2/20/2024 |
| Cocke Travis W. | ▼ Sell | Other | 950,000 | $62.2M | 2/20/2024 |
| Cocke Travis W. | ▼ Sell | Other | 110,000 | $7.2M | 2/20/2024 |
| Cocke Travis W. | ▼ Sell | Other | 3,308 | $0 | 2/20/2024 |
| Renuart Victor Eugene | ▼ Sell | Open Market | 5,000 | $340K | 2/12/2024 |
| SIGHT JAMES W | ▼ Sell | Open Market | 2,000 | $135K | 2/8/2024 |
| TURNBULL CHERYL L | ▼ Sell | Open Market | 5,000 | $338K | 2/8/2024 |
| ALPERT HENRY A | ▼ Sell | Open Market | 2,495 | $168K | 2/8/2024 |
| MEHMEL ROBERT F | ▼ Sell | Tax Withholding | 64,928 | $4.0M | 1/30/2024 |
| Ronald J. Kramer | ▼ Sell | Tax Withholding | 267,924 | $16.3M | 1/30/2024 |
| MEHMEL ROBERT F | ▲ Buy | Grant | 45,000 | $0 | 1/29/2024 |
| Ronald J. Kramer | ▲ Buy | Grant | 135,000 | $0 | 1/29/2024 |
| ALPERT HENRY A | ▼ Sell | Gift | 2,000 | $0 | 12/27/2023 |
| Ronald J. Kramer | ▼ Sell | Gift | 6,000 | $0 | 12/18/2023 |
| MEHMEL ROBERT F | ▼ Sell | Tax Withholding | 15,386 | $871K | 12/17/2023 |