Griffon Corp. insider trading
This tab shows only the shares insiders bought or sold on the open market in the last twelve months (Form 4 codes P and S). Grants, option exercises, shares held back for tax and gifts are left out on purpose, so what is left is insiders trading at the market price like anyone else.
In the last twelve months insiders at Griffon Corp. filed 55 open-market sales worth $36.7 million and 1 open-market purchase worth $79,990, on Form 4 with the SEC. The latest: Turnbull Cheryl L, Director, sold 3,000 shares at $106.12 on 13 August 2026, filed 14 August 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 13 August 2026 | Turnbull Cheryl L | Director | Sale | 3,000 | $106.12 | $318,360 | Form 4 |
| 13 August 2026 | Sullivan Kevin F | Director | Sale | 3,500 | $105.59 | $369,565 | Form 4 |
| 11 August 2026 | Mehmel Robert F | President and COO | Sale | 3,240 | $107.16 | $347,198 | Form 4 |
| 10 August 2026 | Mehmel Robert F | President and COO | Sale | 3,638 | $104.08 | $378,643 | Form 4 |
| 10 August 2026 | Mehmel Robert F | President and COO | Sale | 2,913 | $104.64 | $304,816 | Form 4 |
| 10 August 2026 | Mehmel Robert F | President and COO | Sale | 88 | $105.21 | $9,258 | Form 4 |
| 7 August 2026 | Mehmel Robert F | President and COO | Sale | 1,911 | $106.60 | $203,713 | Form 4 |
| 7 August 2026 | Mehmel Robert F | President and COO | Sale | 13,464 | $107.43 | $1.4 million | Form 4 |
| 7 August 2026 | Mehmel Robert F | President and COO | Sale | 553 | $108.09 | $59,774 | Form 4 |
| 7 August 2026 | Harris Brian G | EVP, Chief Financial Officer | Sale | 5,267 | $107.11 | $564,148 | Form 4 |
| 6 August 2026 | Mehmel Robert F | President and COO | Sale | 158 | $102.03 | $16,121 | Form 4 |
| 6 August 2026 | Mehmel Robert F | President and COO | Sale | 211 | $103.52 | $21,843 | Form 4 |
| 6 August 2026 | Mehmel Robert F | President and COO | Sale | 5,476 | $104.56 | $572,571 | Form 4 |
| 6 August 2026 | Mehmel Robert F | President and COO | Sale | 6,933 | $105.46 | $731,154 | Form 4 |
| 6 August 2026 | Mehmel Robert F | President and COO | Sale | 2,074 | $106.27 | $220,404 | Form 4 |
| 5 August 2026 | Harris Brian G | EVP, Chief Financial Officer | Sale | 8,817 | $103.08 | $908,856 | Form 4 |
| 5 August 2026 | Harris Brian G | EVP, Chief Financial Officer | Sale | 2,233 | $104.01 | $232,254 | Form 4 |
| 5 August 2026 | Kramer Ronald J | Chairman of the Board and CEO | Sale | 12,916 | $100.44 | $1.3 million | Form 4 |
| 5 August 2026 | Kramer Ronald J | Chairman of the Board and CEO | Sale | 17,322 | $101.58 | $1.8 million | Form 4 |
| 5 August 2026 | Kramer Ronald J | Chairman of the Board and CEO | Sale | 45,240 | $102.63 | $4.6 million | Form 4 |
| 5 August 2026 | Kramer Ronald J | Chairman of the Board and CEO | Sale | 16,402 | $103.37 | $1.7 million | Form 4 |
| 5 August 2026 | Kramer Ronald J | Chairman of the Board and CEO | Sale | 8,120 | $104.27 | $846,672 | Form 4 |
| 5 August 2026 | Mehmel Robert F | President and COO | Sale | 617 | $98.68 | $60,886 | Form 4 |
| 5 August 2026 | Mehmel Robert F | President and COO | Sale | 2,283 | $99.67 | $227,547 | Form 4 |
| 5 August 2026 | Mehmel Robert F | President and COO | Sale | 3,527 | $100.46 | $354,322 | Form 4 |
| 5 August 2026 | Mehmel Robert F | President and COO | Sale | 2,790 | $101.44 | $283,018 | Form 4 |
| 5 August 2026 | Mehmel Robert F | President and COO | Sale | 5,341 | $102.59 | $547,933 | Form 4 |
| 5 August 2026 | Mehmel Robert F | President and COO | Sale | 5,434 | $103.53 | $562,582 | Form 4 |
| 5 August 2026 | Mehmel Robert F | President and COO | Sale | 2,217 | $104.12 | $230,834 | Form 4 |
| 30 June 2026 | Mehmel Robert F | President and COO | Sale | 4,166 | $97.76 | $407,268 | Form 4 |
| 30 June 2026 | Harris Brian G | EVP, Chief Financial Officer | Sale | 6,183 | $98.01 | $605,996 | Form 4 |
| 26 June 2026 | Mehmel Robert F | President and COO | Sale | 230 | $95.52 | $21,970 | Form 4 |
| 26 June 2026 | Mehmel Robert F | President and COO | Sale | 52 | $96.14 | $4,999 | Form 4 |
| 26 June 2026 | Mehmel Robert F | President and COO | Sale | 4 | $97.50 | $390 | Form 4 |
| 25 June 2026 | Mehmel Robert F | President and COO | Sale | 5,149 | $95.62 | $492,347 | Form 4 |
| 25 June 2026 | Mehmel Robert F | President and COO | Sale | 1,534 | $96.41 | $147,893 | Form 4 |
| 25 June 2026 | Mehmel Robert F | President and COO | Sale | 1,190 | $97.27 | $115,751 | Form 4 |
| 24 June 2026 | Mehmel Robert F | President and COO | Sale | 4,626 | $95.45 | $441,552 | Form 4 |
| 24 June 2026 | Mehmel Robert F | President and COO | Sale | 100 | $96.03 | $9,603 | Form 4 |
| 17 June 2026 | Mehmel Robert F | President and COO | Sale | 547 | $95.37 | $52,167 | Form 4 |
| 16 June 2026 | Mehmel Robert F | President and COO | Sale | 2,921 | $95.36 | $278,547 | Form 4 |
| 16 June 2026 | Mehmel Robert F | President and COO | Sale | 97 | $96.25 | $9,336 | Form 4 |
| 15 June 2026 | Mehmel Robert F | President and COO | Sale | 3,272 | $95.40 | $312,149 | Form 4 |
| 12 June 2026 | Mehmel Robert F | President and COO | Sale | 5,501 | $95.18 | $523,585 | Form 4 |
| 12 June 2026 | Kramer Ronald J | Chairman of the Board and CEO | Sale | 51,029 | $95.21 | $4.9 million | Form 4 |
| 12 June 2026 | Kramer Ronald J | Chairman of the Board and CEO | Sale | 48,971 | $94.62 | $4.6 million | Form 4 |
| 11 June 2026 | Harris Brian G | EVP, Chief Financial Officer | Sale | 7,500 | $95.03 | $712,725 | Form 4 |
| 5 March 2026 | Alpert Henry A | Director | Purchase | 1,000 | $79.99 | $79,990 | Form 4 |
| 17 February 2026 | Durborow W. Christopher | Vice President & CAO | Sale | 10,000 | $91.97 | $919,700 | Form 4 |
| 13 February 2026 | Grabowsky Louis J. | Director | Sale | 11,000 | $93.06 | $1.0 million | Form 4 |
| 12 February 2026 | Taylor Michelle L | Director | Sale | 1,650 | $92.56 | $152,724 | Form 4 |
| 9 February 2026 | Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | Sale | 7,086 | $94.67 | $670,832 | Form 4 |
| 9 February 2026 | Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | Sale | 4,274 | $95.61 | $408,637 | Form 4 |
| 9 February 2026 | Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | Sale | 3,240 | $96.67 | $313,211 | Form 4 |
| 9 February 2026 | Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | Sale | 400 | $97.46 | $38,984 | Form 4 |
| 9 February 2026 | Sight James W | Director | Sale | 3,070 | $96.15 | $295,180 | Form 4 |
A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Griffon Corp.: the company's filing index.
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