GRIFFON CORP — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| KRAMER RONALD J | Chairman of the Board and CEO | Gift | 5,000 | — | — | 1,884,297 | Dec 24, 2025 |
| Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | Gift | 600 | — | — | 134,747 | Dec 22, 2025 |
| ALPERT HENRY A | — | Gift | 2,150 | — | — | 69,139 | Dec 4, 2025 |
| Harris Brian G | EVP, Chief Financial Officer | Tax Withholding | 7,610 | $75.00 | $570,750 | 158,649 | Nov 30, 2025 |
| KRAMER RONALD J | Chairman of the Board and CEO | Tax Withholding | 74,079 | $75.00 | $5,555,925 | 1,952,082 | Nov 30, 2025 |
| Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | Tax Withholding | 8,921 | $75.00 | $669,075 | 135,347 | Nov 30, 2025 |
| Durborow W. Christopher | Vice President & CAO | Tax Withholding | 4,343 | $75.00 | $325,725 | 39,963 | Nov 30, 2025 |
| MEHMEL ROBERT F | President and COO | Tax Withholding | 26,928 | $75.00 | $2,019,600 | 815,289 | Nov 30, 2025 |
| KRAMER RONALD J | Chairman of the Board and CEO | Award / Grant | 136,864 | — | — | 2,026,161 | Nov 18, 2025 |
| MEHMEL ROBERT F | President and COO | Award / Grant | 68,432 | — | — | 842,217 | Nov 18, 2025 |
| Sullivan Kevin F | — | Award / Grant | 1,594 | — | — | 42,762 | Mar 11, 2025 |
| ALPERT HENRY A | — | Award / Grant | 1,594 | — | — | 71,289 | Mar 11, 2025 |
| Coben Jerome L | — | Award / Grant | 1,594 | — | — | 18,119 | Mar 11, 2025 |
| Johnson Lacy M. | — | Award / Grant | 1,594 | — | — | 25,103 | Mar 11, 2025 |
| Hegedus Samanta | — | Award / Grant | 1,594 | — | — | 24,715 | Mar 11, 2025 |
| SIGHT JAMES W | — | Award / Grant | 1,594 | — | — | 16,942 | Mar 11, 2025 |
| TURNBULL CHERYL L | — | Award / Grant | 1,594 | — | — | 31,699 | Mar 11, 2025 |
| Diao H.C. Charles | — | Award / Grant | 1,594 | — | — | 10,673 | Mar 11, 2025 |
| Taylor Michelle L | — | Award / Grant | 1,594 | — | — | 10,673 | Mar 11, 2025 |
| Grabowsky Louis J. | — | Award / Grant | 1,594 | — | — | 52,670 | Mar 11, 2025 |
| ALPERT HENRY A | — | Gift | 1,466 | — | — | 69,695 | Feb 27, 2025 |
| Hegedus Samanta | — | Sale | 1,236 | $79.47 | $98,225 | 23,121 | Feb 7, 2025 |
| TURNBULL CHERYL L | — | Sale | 3,000 | $80.80 | $242,400 | 30,730 | Feb 6, 2025 |
| SIGHT JAMES W | — | Sale | 1,360 | $81.00 | $110,160 | 15,348 | Feb 6, 2025 |
| KRAMER RONALD J | Chairman of the Board and CEO | Tax Withholding | 378,213 | $76.95 | $29,103,490 | 1,889,297 | Feb 4, 2025 |
| MEHMEL ROBERT F | President and COO | Award / Grant | 151,382 | — | — | 885,296 | Feb 4, 2025 |
| Durborow W. Christopher | Vice President & CAO | Sale | 5,170 | $80.38 | $415,565 | 44,306 | Dec 6, 2024 |
| KRAMER RONALD J | Chairman of the Board and CEO | Gift | 4,000 | — | — | 1,856,746 | Dec 5, 2024 |
| Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | Tax Withholding | 10,407 | $84.30 | $877,310 | 156,934 | Dec 2, 2024 |
| Harris Brian G | EVP, Chief Financial Officer | Tax Withholding | 8,879 | $84.30 | $748,500 | 184,799 | Dec 2, 2024 |
| Durborow W. Christopher | Vice President & CAO | Tax Withholding | 5,243 | $84.30 | $441,985 | 49,476 | Nov 30, 2024 |
| MEHMEL ROBERT F | President and COO | Gift | 15,000 | — | — | 697,914 | Nov 27, 2024 |
| Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | Gift | 400 | — | — | 167,341 | Nov 18, 2024 |
| ALPERT HENRY A | — | Gift | 3,234 | — | — | 71,161 | Nov 18, 2024 |
| Sullivan Kevin F | — | Sale | 9,222 | $75.50 | $696,261 | 41,168 | Nov 18, 2024 |
| SIGHT JAMES W | — | Sale | 3,660 | $76.42 | $279,697 | 16,708 | Nov 14, 2024 |
| Coben Jerome L | — | Sale | 2,052 | $76.34 | $156,650 | 16,525 | Nov 14, 2024 |
| Hegedus Samanta | — | Sale | 3,095 | $80.49 | $249,117 | 24,357 | Nov 14, 2024 |
| Grabowsky Louis J. | — | Sale | 100 | $77.53 | $7,753 | 51,076 | Nov 14, 2024 |
| MEHMEL ROBERT F | President and COO | Sale | 1,719 | $74.24 | $127,619 | 734,414 | Nov 13, 2024 |
| KRAMER RONALD J | Chairman of the Board and CEO | Sale | 4,100 | $71.32 | $292,412 | 2,098,403 | Nov 13, 2024 |
| Durborow W. Christopher | Vice President & CAO | Award / Grant | 6,351 | — | — | 54,719 | Nov 12, 2024 |
| MEHMEL ROBERT F | President and COO | Sale | 8,697 | $70.10 | $609,660 | 737,914 | Nov 11, 2024 |
| MEHMEL ROBERT F | President and COO | Sale | 912 | $70.06 | $63,895 | 746,611 | Oct 16, 2024 |
| KRAMER RONALD J | Chairman of the Board and CEO | Sale | 6,532 | $70.06 | $457,632 | 2,169,667 | Oct 16, 2024 |
| KRAMER RONALD J | Chairman of the Board and CEO | Sale | 300 | $70.07 | $21,021 | 2,176,199 | Oct 2, 2024 |
| MEHMEL ROBERT F | President and COO | Sale | 3,265 | $70.04 | $228,681 | 747,607 | Oct 1, 2024 |
| KRAMER RONALD J | Chairman of the Board and CEO | Sale | 1,821 | $70.02 | $127,506 | 2,176,499 | Sep 30, 2024 |
| MEHMEL ROBERT F | President and COO | Sale | 3,174 | $70.01 | $222,212 | 750,872 | Sep 23, 2024 |
| KRAMER RONALD J | Chairman of the Board and CEO | Sale | 20,135 | $70.01 | $1,409,651 | 2,195,131 | Sep 23, 2024 |