GFF GRIFFON CORP
NYSE · SEC CIK 50725 · EDGAR
- Bought, last 12 months
- $80.0K 1 purchases by 1 insiders
- Sold, last 12 months
- $36.67M 21 sales by 10 insiders
- Filings on record
- 185 since 2021-07-29, latest 2026-08-14 16:31
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| KRAMER RONALD J | COB, CEO, Dir | — | $19.73M |
| MEHMEL ROBERT F | Pres, COO | — | $9.40M |
| Harris Brian G | EVP, CFO | — | $3.02M |
| Kaplan Seth L. | SVP, Gen. Counsel, Secy | — | $1.43M |
| Grabowsky Louis J. | Dir | — | $1.02M |
| Durborow W. Christopher | VP, CAO | — | $919.7K |
| Sullivan Kevin F | Dir | — | $369.6K |
| TURNBULL CHERYL L | Dir | — | $318.4K |
| SIGHT JAMES W | Dir | — | $295.2K |
| Taylor Michelle L | Dir | — | $152.7K |
Transactions 201
Purchase Sale Sale after option exercise All abbreviations
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-14 16:31 | 2026-08-13 | GFF | TURNBULL CHERYL L | Dir | S - Sale | $106.12 | -3,000 | 30.0K | -9% | -$318.4K | |
| 2026-08-14 16:31 | 2026-08-13 | GFF | Sullivan Kevin F | Dir | S - Sale | $105.59 | -3,500 | 40.6K | -8% | -$369.6K | |
| T | 2026-08-13 16:30 | 2026-08-11 | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $107.16 | -3,240 | 723.0K | -0.4% | -$347.2K |
| MT | 2026-08-11 16:15 | 2026-08-07+ | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $106.47 | -22.6K | 726.3K | -3% | -$2.40M |
| T | 2026-08-11 16:15 | 2026-08-07 | GFF | Harris Brian G | EVP, CFO | S - Sale | $107.11 | -5,267 | 128.6K | -4% | -$564.1K |
| MT | 2026-08-07 17:02 | 2026-08-05 | GFF | Harris Brian G | EVP, CFO | S - Sale | $103.27 | -11.1K | 133.9K | -8% | -$1.14M |
| MT | 2026-08-07 17:02 | 2026-08-05 | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $102.42 | -100.0K | 1.68M | -6% | -$10.24M |
| MT | 2026-08-07 17:02 | 2026-08-05+ | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $103.32 | -37.1K | 748.8K | -5% | -$3.83M |
| T | 2026-07-02 17:00 | 2026-06-30 | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $97.76 | -4,166 | 785.9K | -0.5% | -$407.3K |
| T | 2026-07-02 17:00 | 2026-06-30 | GFF | Harris Brian G | EVP, CFO | S - Sale | $98.01 | -6,183 | 145.0K | -4% | -$606.0K |
| MT | 2026-06-30 17:00 | 2026-06-26 | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $95.66 | -286 | 790.1K | -0.0% | -$27.4K |
| MT | 2026-06-26 17:00 | 2026-06-24+ | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $95.81 | -12.6K | 790.4K | -2% | -$1.21M |
| MT | 2026-06-18 17:00 | 2026-06-16+ | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $95.39 | -3,565 | 803.0K | -0.4% | -$340.1K |
| MT | 2026-06-16 16:59 | 2026-06-12+ | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $95.26 | -8,773 | 806.5K | -1% | -$835.7K |
| M | 2026-06-15 17:00 | 2026-06-12 | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $94.92 | -100.0K | 1.78M | -5% | -$9.49M |
| T | 2026-06-15 17:00 | 2026-06-11 | GFF | Harris Brian G | EVP, CFO | S - Sale | $95.03 | -7,500 | 151.1K | -5% | -$712.7K |
| 2026-03-09 | 2026-03-05 | GFF | ALPERT HENRY A | Dir | P - Purchase | $79.99 | +1,000 | 71.5K | +1% | +$80.0K | |
| 2026-02-20 | 2026-02-18 | GFF | Coben Jerome L | Dir | A - Grant | $0.00 | +1,340 | 19.5K | +7% | $0 | |
| 2026-02-20 | 2026-02-18 | GFF | Hegedus Samanta | Dir | A - Grant | $0.00 | +1,340 | 26.1K | +5% | $0 | |
| 2026-02-20 | 2026-02-18 | GFF | TURNBULL CHERYL L | Dir | A - Grant | $0.00 | +1,340 | 33.0K | +4% | $0 | |
| 2026-02-20 | 2026-02-18 | GFF | Johnson Lacy M. | Dir | A - Grant | $0.00 | +1,340 | 26.4K | +5% | $0 | |
| 2026-02-20 | 2026-02-18 | GFF | SIGHT JAMES W | Dir | A - Grant | $0.00 | +1,340 | 15.2K | +10% | $0 | |
| 2026-02-20 | 2026-02-18 | GFF | Taylor Michelle L | Dir | A - Grant | $0.00 | +1,340 | 10.4K | +15% | $0 | |
| 2026-02-20 | 2026-02-18 | GFF | Diao H.C. Charles | Dir | A - Grant | $0.00 | +1,340 | 12.0K | +13% | $0 | |
| 2026-02-20 | 2026-02-18 | GFF | Grabowsky Louis J. | Dir | A - Grant | $0.00 | +1,340 | 43.0K | +3% | $0 | |
| 2026-02-20 | 2026-02-18 | GFF | ALPERT HENRY A | Dir | A - Grant | $0.00 | +1,340 | 70.5K | +2% | $0 | |
| 2026-02-20 | 2026-02-18 | GFF | Sullivan Kevin F | Dir | A - Grant | $0.00 | +1,340 | 44.1K | +3% | $0 | |
| 2026-02-18 | 2026-02-17 | GFF | Durborow W. Christopher | VP, CAO | S - Sale | $91.97 | -10.0K | 30.0K | -25% | -$919.7K | |
| 2026-02-17 | 2026-02-13 | GFF | Grabowsky Louis J. | Dir | S - Sale | $93.06 | -11.0K | 41.7K | -21% | -$1.02M | |
| 2026-02-17 | 2026-02-12 | GFF | Taylor Michelle L | Dir | S - Sale | $92.56 | -1,650 | 9,023 | -15% | -$152.7K | |
| M | 2026-02-11 | 2026-02-09 | GFF | Kaplan Seth L. | SVP, Gen. Counsel, Secy | S - Sale | $95.44 | -15.0K | 127.7K | -11% | -$1.43M |
| 2026-02-11 | 2026-02-09 | GFF | SIGHT JAMES W | Dir | S - Sale | $96.15 | -3,070 | 13.9K | -18% | -$295.2K | |
| M | 2025-12-30 | 2025-12-24 | GFF | KRAMER RONALD J | COB, CEO, Dir | G - Gift | $0.00 | -67.8K | 1.88M | -3% | $0 |
| 2025-12-23 | 2025-12-22 | GFF | Kaplan Seth L. | SVP, Gen. Counsel, Secy | G - Gift | $0.00 | -600 | 134.7K | -0.4% | $0 | |
| 2025-12-08 | 2025-12-04 | GFF | ALPERT HENRY A | Dir | G - Gift | $0.00 | -2,150 | 69.1K | -3% | $0 | |
| 2025-12-02 | 2025-11-30 | GFF | MEHMEL ROBERT F | Pres, COO | F - Tax | $75.00 | -26.9K | 815.3K | -3% | -$2.02M | |
| 2025-12-02 | 2025-11-30 | GFF | Kaplan Seth L. | SVP, Gen. Counsel, Secy | F - Tax | $75.00 | -8,921 | 135.3K | -6% | -$669.1K | |
| 2025-12-02 | 2025-11-30 | GFF | Durborow W. Christopher | VP, CAO | F - Tax | $75.00 | -4,343 | 40.0K | -10% | -$325.7K | |
| 2025-12-02 | 2025-11-30 | GFF | Harris Brian G | EVP, CFO | F - Tax | $75.00 | -7,610 | 158.6K | -5% | -$570.8K | |
| 2025-12-02 | 2025-11-30 | GFF | KRAMER RONALD J | COB, CEO, Dir | F - Tax | $75.00 | -74.1K | 1.95M | -4% | -$5.56M | |
| 2025-11-19 | 2025-11-18 | GFF | MEHMEL ROBERT F | Pres, COO | A - Grant | $0.00 | +68.4K | 842.2K | +9% | $0 | |
| 2025-11-19 | 2025-11-18 | GFF | KRAMER RONALD J | COB, CEO, Dir | A - Grant | $0.00 | +136.9K | 2.03M | +7% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | TURNBULL CHERYL L | Dir | A - Grant | $0.00 | +1,594 | 31.7K | +5% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | Johnson Lacy M. | Dir | A - Grant | $0.00 | +1,594 | 25.1K | +7% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | ALPERT HENRY A | Dir | A - Grant | $0.00 | +1,594 | 71.3K | +2% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | Sullivan Kevin F | Dir | A - Grant | $0.00 | +1,594 | 42.8K | +4% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | Coben Jerome L | Dir | A - Grant | $0.00 | +1,594 | 18.1K | +10% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | Grabowsky Louis J. | Dir | A - Grant | $0.00 | +1,594 | 52.7K | +3% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | Taylor Michelle L | Dir | A - Grant | $0.00 | +1,594 | 10.7K | +18% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | Diao H.C. Charles | Dir | A - Grant | $0.00 | +1,594 | 10.7K | +18% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | SIGHT JAMES W | Dir | A - Grant | $0.00 | +1,594 | 16.9K | +10% | $0 | |
| 2025-03-13 | 2025-03-11 | GFF | Hegedus Samanta | Dir | A - Grant | $0.00 | +1,594 | 24.7K | +7% | $0 | |
| 2025-03-03 | 2025-02-27 | GFF | ALPERT HENRY A | Dir | G - Gift | $0.00 | -1,466 | 69.7K | -2% | $0 | |
| 2025-02-10 | 2025-02-07 | GFF | Hegedus Samanta | Dir | S - Sale | $79.47 | -1,236 | 23.1K | -5% | -$98.2K | |
| 2025-02-07 | 2025-02-06 | GFF | TURNBULL CHERYL L | Dir | S - Sale | $80.80 | -3,000 | 30.7K | -9% | -$242.4K | |
| 2025-02-07 | 2025-02-06 | GFF | SIGHT JAMES W | Dir | S - Sale | $81.00 | -1,360 | 15.3K | -8% | -$110.2K | |
| M | 2025-02-06 | 2025-02-04 | GFF | KRAMER RONALD J | COB, CEO, Dir | A - Grant | $0.00 | +410.8K | 1.96M | +26% | $0 |
| 2025-02-06 | 2025-02-04 | GFF | KRAMER RONALD J | COB, CEO, Dir | F - Tax | $76.95 | -378.2K | 1.89M | -17% | -$29.10M | |
| 2025-02-06 | 2025-02-04 | GFF | MEHMEL ROBERT F | Pres, COO | F - Tax | $76.95 | -111.5K | 773.8K | -13% | -$8.58M | |
| M | 2025-02-06 | 2025-02-04 | GFF | MEHMEL ROBERT F | Pres, COO | A - Grant | $0.00 | +187.4K | 885.3K | +27% | $0 |
| 2024-12-06 | 2024-12-06 | GFF | Durborow W. Christopher | VP, CAO | S - Sale | $80.38 | -5,170 | 44.3K | -10% | -$415.6K | |
| 2024-12-06 | 2024-12-05 | GFF | KRAMER RONALD J | COB, CEO, Dir | G - Gift | $0.00 | -4,000 | 1.86M | -0.2% | $0 | |
| M | 2024-12-03 | 2024-12-02 | GFF | Harris Brian G | EVP, CFO | S - Sale | $82.60 | -18.5K | 170.8K | -10% | -$1.53M |
| 2024-12-03 | 2024-11-30 | GFF | Harris Brian G | EVP, CFO | F - Tax | $84.30 | -8,879 | 184.8K | -5% | -$748.5K | |
| 2024-12-03 | 2024-11-30 | GFF | Durborow W. Christopher | VP, CAO | F - Tax | $84.30 | -5,243 | 49.5K | -10% | -$442.0K | |
| M | 2024-12-03 | 2024-12-02 | GFF | Kaplan Seth L. | SVP, Gen. Counsel, Secy | S - Sale | $82.73 | -12.7K | 148.6K | -8% | -$1.05M |
| 2024-12-03 | 2024-11-30 | GFF | Kaplan Seth L. | SVP, Gen. Counsel, Secy | F - Tax | $84.30 | -10.4K | 156.9K | -6% | -$877.3K | |
| 2024-11-29 | 2024-11-27 | GFF | MEHMEL ROBERT F | Pres, COO | G - Gift | $0.00 | -15.0K | 697.9K | -2% | $0 | |
| M | 2024-11-29 | 2019-07-05+ | GFF | Renuart Victor Eugene | Dir | S - Sale | $38.73 | -17.1K | 24.6K | -41% | -$663.4K |
| 2024-11-20 | 2024-11-18 | GFF | ALPERT HENRY A | Dir | G - Gift | $0.00 | -3,234 | 71.2K | -4% | $0 | |
| 2024-11-20 | 2024-11-18 | GFF | Sullivan Kevin F | Dir | S - Sale | $75.50 | -9,222 | 41.2K | -18% | -$696.3K | |
| M | 2024-11-20 | 2024-11-18+ | GFF | Kaplan Seth L. | SVP, Gen. Counsel, Secy | G - Gift | $0.00 | -800 | 167.3K | -0.5% | $0 |
| M | 2024-11-15 | 2024-11-14 | GFF | Grabowsky Louis J. | Dir | S - Sale | $77.02 | -11.0K | 51.1K | -18% | -$847.3K |
| 2024-11-15 | 2024-11-14 | GFF | SIGHT JAMES W | Dir | S - Sale | $76.42 | -3,660 | 16.7K | -18% | -$279.7K | |
| M | 2024-11-15 | 2024-11-13 | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $74.97 | -25.0K | 734.4K | -3% | -$1.87M |
| 2024-11-15 | 2024-11-14 | GFF | Coben Jerome L | Dir | S - Sale | $76.34 | -2,052 | 16.5K | -11% | -$156.6K | |
| 2024-11-15 | 2024-11-14 | GFF | Hegedus Samanta | Dir | S - Sale | $80.49 | -3,095 | 24.4K | -11% | -$249.1K | |
| M | 2024-11-13 | 2024-11-11+ | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $74.20 | -308.9K | 2.10M | -13% | -$22.92M |
| 2024-11-13 | 2024-11-11 | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $70.10 | -8,697 | 737.9K | -1% | -$609.7K | |
| 2024-11-13 | 2024-11-12 | GFF | Durborow W. Christopher | VP, CAO | A - Grant | $0.00 | +6,351 | 54.7K | +13% | $0 | |
| 2024-10-18 | 2024-10-16 | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $70.06 | -6,532 | 2.17M | -0.3% | -$457.6K | |
| 2024-10-18 | 2024-10-16 | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $70.06 | -912 | 746.6K | -0.1% | -$63.9K | |
| 2024-10-04 | 2024-10-02 | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $70.07 | -300 | 2.18M | -0.0% | -$21.0K | |
| M | 2024-10-01 | 2024-09-27+ | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $70.02 | -18.6K | 2.18M | -0.8% | -$1.30M |
| M | 2024-10-01 | 2024-09-27+ | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $70.04 | -3,349 | 747.6K | -0.4% | -$234.6K |
| 2024-09-25 | 2024-09-23 | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $70.01 | -20.1K | 2.20M | -0.9% | -$1.41M | |
| 2024-09-25 | 2024-09-23 | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $70.01 | -3,174 | 750.9K | -0.4% | -$222.2K | |
| M | 2024-09-23 | 2024-09-19+ | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $70.05 | -45.5K | 2.22M | -2% | -$3.19M |
| M | 2024-09-23 | 2024-09-19+ | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $70.03 | -8,868 | 754.0K | -1% | -$621.0K |
| M | 2024-09-20 | 2024-09-18+ | GFF | Kaplan Seth L. | SVP, Gen. Counsel, Secy | S - Sale | $70.00 | -35.3K | 198.6K | -15% | -$2.47M |
| M | 2024-09-19 | 2024-09-17+ | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $68.04 | -25.0K | 768.0K | -3% | -$1.70M |
| 2024-09-19 | 2024-09-17 | GFF | Harris Brian G | SVP, CFO | S - Sale | $67.65 | -5,819 | 193.7K | -3% | -$393.7K | |
| M | 2024-09-17 | 2024-09-13+ | GFF | MEHMEL ROBERT F | Pres, COO | S - Sale | $66.87 | -25.0K | 811.9K | -3% | -$1.67M |
| M | 2024-09-17 | 2024-09-13+ | GFF | Harris Brian G | SVP, CFO | S - Sale | $66.13 | -13.6K | 203.1K | -6% | -$897.0K |
| M | 2024-09-13 | 2024-09-11 | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $62.26 | -100.0K | 2.26M | -4% | -$6.23M |
| 2024-08-23 | 2024-08-22 | GFF | Sullivan Kevin F | Dir | S - Sale | $65.00 | -12.4K | 50.4K | -20% | -$809.1K | |
| 2024-06-27 | 2024-06-25 | GFF | KRAMER RONALD J | COB, CEO, Dir | G - Gift | $0.00 | -140.0K | 2.36M | -6% | $0 | |
| M | 2024-06-13 | 2024-06-12 | GFF | KRAMER RONALD J | COB, CEO, Dir | S - Sale | $67.07 | -100.0K | 2.51M | -4% | -$6.71M |
| 2024-06-13 | 2024-06-12 | GFF | Durborow W. Christopher | VP, CAO | S - Sale | $66.88 | -13.0K | 48.4K | -21% | -$869.4K | |
| 2024-03-22 | 2024-03-20 | GFF | Hegedus Samanta | Dir | A - Grant | $0.00 | +1,525 | 27.5K | +6% | $0 |