GFF · Griffon Corp
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-08-13 | Sullivan Kevin F |
Director |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.58 to $105.95, inclusive. |
Common Stock
|
3,500 |
| 2026-08-13 | TURNBULL CHERYL L |
Director |
Sell↓
|
Common Stock
|
3,000 |
| 2026-08-11 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.00 to $107.72, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the range set forth in this footnote. |
Common Stock
|
3,240 |
| 2026-08-10 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.00 to $105.63, inclusive. |
Common Stock
|
88 |
| 2026-08-10 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.32 to $104.97, inclusive. |
Common Stock
|
2,913 |
| 2026-08-10 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.32 to $104.31, inclusive. |
Common Stock
|
3,638 |
| 2026-08-07 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $106.22 to $106.99, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1), (2), (3), (4), (5) and (6) to this Form 4. |
Common Stock
|
1,911 |
| 2026-08-07 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.00 to $107.96, inclusive. |
Common Stock
|
13,464 |
| 2026-08-07 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.00 to $108.24, inclusive. |
Common Stock
|
553 |
| 2026-08-07 | Harris Brian G |
EVP, Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.05 to $107.12, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the range set forth in this footnote. |
Common Stock
|
5,267 |
| 2026-08-06 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.86 to $102.40, inclusive. |
Common Stock
|
158 |
| 2026-08-06 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.95 to $105.93, inclusive. |
Common Stock
|
6,933 |
| 2026-08-06 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.97 to $106.70, inclusive. |
Common Stock
|
2,074 |
| 2026-08-06 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.90 to $103.89, inclusive. |
Common Stock
|
211 |
| 2026-08-06 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.95 to $104.93, inclusive. |
Common Stock
|
5,476 |
| 2026-08-05 | KRAMER RONALD J |
Director, Chairman of the Board and CEO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.00 to $103.99, inclusive. |
Common Stock
|
16,402 |
| 2026-08-05 | KRAMER RONALD J |
Director, Chairman of the Board and CEO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.01 to $102.99, inclusive. |
Common Stock
|
45,240 |
| 2026-08-05 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.02 to $100.96, inclusive. |
Common Stock
|
3,527 |
| 2026-08-05 | KRAMER RONALD J |
Director, Chairman of the Board and CEO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.995 to $101.99, inclusive. |
Common Stock
|
17,322 |
| 2026-08-05 | KRAMER RONALD J |
Director, Chairman of the Board and CEO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.995 to $104.60, inclusive. |
Common Stock
|
8,120 |
| 2026-08-05 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.01 to $104.00, inclusive. |
Common Stock
|
5,434 |
| 2026-08-05 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.03 to $101.80, inclusive. |
Common Stock
|
2,790 |
| 2026-08-05 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $99.10 to $99.98, inclusive. |
Common Stock
|
2,283 |
| 2026-08-05 | Harris Brian G |
EVP, Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.00 to $103.28, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1) and (2) to this Form 4. |
Common Stock
|
8,817 |
| 2026-08-05 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.00 to $104.48, inclusive. |
Common Stock
|
2,217 |
| 2026-08-05 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.19 to $98.96, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1), (2), (3), (4), (5), (6), (7), (8), (9), (10), (11), and (12) to this Form 4. |
Common Stock
|
617 |
| 2026-08-05 | Harris Brian G |
EVP, Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.00 to $104.05, inclusive. |
Common Stock
|
2,233 |
| 2026-08-05 | KRAMER RONALD J |
Director, Chairman of the Board and CEO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.00 to $100.99, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1), (2), (3), (4) and (5) to this Form 4. |
Common Stock
|
12,916 |
| 2026-08-05 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.00 to $102.98, inclusive. |
Common Stock
|
5,341 |
| 2026-06-30 | Harris Brian G |
EVP, Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.00 to $98.37, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the range set forth in this footnote. |
Common Stock
|
6,183 |
| 2026-06-30 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $97.50 to $98.37, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the range set forth in this footnote. |
Common Stock
|
4,166 |
| 2026-06-26 | MEHMEL ROBERT F |
President and COO |
Sell↓
|
Common Stock
|
4 |
| 2026-06-26 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $95.14 to $95.99, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in this Form 4. |
Common Stock
|
230 |
| 2026-06-26 | MEHMEL ROBERT F |
President and COO |
Sell↓
|
Common Stock
|
52 |
| 2026-06-25 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $96.00 to $96.80, inclusive. |
Common Stock
|
1,534 |
| 2026-06-25 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $97.02 to $97.64, inclusive. |
Common Stock
|
1,190 |
| 2026-06-25 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.11 to $95.97, inclusive. |
Common Stock
|
5,149 |
| 2026-06-24 | MEHMEL ROBERT F |
President and COO |
Sell↓
|
Common Stock
|
100 |
| 2026-06-24 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $95.02 to $95.98, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1), (2), (3) and (4) to this Form 4. |
Common Stock
|
4,626 |
| 2026-06-17 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.00 to $95.66, inclusive. |
Common Stock
|
547 |
| 2026-06-16 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $95.00 to $95.85, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1), (2) and (3) to this Form 4. |
Common Stock
|
2,921 |
| 2026-06-16 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $96.02 to $96.25, inclusive. |
Common Stock
|
97 |
| 2026-06-15 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.01 and $95.90, inclusive. |
Common Stock
|
3,272 |
| 2026-06-12 | MEHMEL ROBERT F |
President and COO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $95.01 and $95.61, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1) and (2) to this Form 4. |
Common Stock
|
5,501 |
| 2026-06-12 | KRAMER RONALD J |
Director, Chairman of the Board and CEO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.00 to $95.92, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the ranges set forth in footnotes (1) and (2) to this Form 4. |
Common Stock
|
51,029 |
| 2026-06-12 | KRAMER RONALD J |
Director, Chairman of the Board and CEO |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.10 to $94.995, inclusive. |
Common Stock
|
48,971 |
| 2026-06-11 | Harris Brian G |
EVP, Chief Financial Officer |
Sell↓
Filing footnotes — Common Stock (Direct)
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $95.00 to $95.05, inclusive. The reporting person undertakes to provide Griffon Corporation, any security holder of Griffon Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares disposed of at each price within the range set forth in this footnote. |
Common Stock
|
7,500 |
| 2026-03-05 | ALPERT HENRY A |
Director |
Buy↑
|
Common Stock
|
1,000 |
| 2026-02-18 | TURNBULL CHERYL L |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Restricted stock grant under the Company's 2016 Equity Incentive Plan. All shares of restricted stock will vest on February 18, 2027. |
Common Stock
|
1,340 |
| 2026-02-18 | Coben Jerome L |
Director |
Award↑
Filing footnotes — Common Stock (Direct)
Restricted stock grant under the Company's 2016 Equity Incentive Plan. All shares of restricted stock will vest on February 18, 2027. |
Common Stock
|
1,340 |