Griffon Corp (GFF) insider trading.
In Q3 2026, insiders at Griffon Corp reported 31 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 31 sales worth $20.2M.
- Transactions
- 31
- Purchases (P)
- 0
- Sales (S)
- 31
- Net shares, P minus S
- -196,034
- Insiders
- 5
- Last filed
- 2026-08-14
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Mehmel Robert F | Officer · President and COO | 20 | 0 | 20 |
| Kramer Ronald J | Director, Officer · Chairman of the Board and CEO | 5 | 0 | 5 |
| Harris Brian G | Officer · EVP, Chief Financial Officer | 4 | 0 | 4 |
| Sullivan Kevin F | Director | 1 | 0 | 1 |
| Turnbull Cheryl L | Director | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-13 | Sullivan Kevin F | S (D) | 3,500 | $105.59 | 40,602 | Form 4 |
| 2026-08-13 | Turnbull Cheryl L | S (D) | 3,000 | $106.12 | 30,039 | Form 4 |
| 2026-08-11 | Mehmel Robert F | S (D) | 3,240 | $107.16 | 723,032 | Form 4 |
| 2026-08-10 | Mehmel Robert F | S (D) | 2,913 | $104.64 | 726,360 | Form 4 |
| 2026-08-10 | Mehmel Robert F | S (D) | 3,638 | $104.08 | 729,273 | Form 4 |
| 2026-08-10 | Mehmel Robert F | S (D) | 88 | $105.21 | 726,272 | Form 4 |
| 2026-08-07 | Harris Brian G | S (D) | 5,267 | $107.11 | 128,649 | Form 4 |
| 2026-08-07 | Mehmel Robert F | S (D) | 553 | $108.09 | 732,911 | Form 4 |
| 2026-08-07 | Mehmel Robert F | S (D) | 1,911 | $106.6 | 746,928 | Form 4 |
| 2026-08-07 | Mehmel Robert F | S (D) | 13,464 | $107.43 | 733,464 | Form 4 |
| 2026-08-06 | Mehmel Robert F | S (D) | 158 | $102.03 | 763,533 | Form 4 |
| 2026-08-06 | Mehmel Robert F | S (D) | 211 | $103.52 | 763,322 | Form 4 |
| 2026-08-06 | Mehmel Robert F | S (D) | 5,476 | $104.56 | 757,846 | Form 4 |
| 2026-08-06 | Mehmel Robert F | S (D) | 6,933 | $105.46 | 750,913 | Form 4 |
| 2026-08-06 | Mehmel Robert F | S (D) | 2,074 | $106.27 | 748,839 | Form 4 |
| 2026-08-05 | Mehmel Robert F | S (D) | 2,217 | $104.12 | 763,691 | Form 4 |
| 2026-08-05 | Mehmel Robert F | S (D) | 5,434 | $103.53 | 765,908 | Form 4 |
| 2026-08-05 | Mehmel Robert F | S (D) | 5,341 | $102.59 | 771,342 | Form 4 |
| 2026-08-05 | Mehmel Robert F | S (D) | 2,790 | $101.44 | 776,683 | Form 4 |
| 2026-08-05 | Mehmel Robert F | S (D) | 2,283 | $99.67 | 783,000 | Form 4 |
| 2026-08-05 | Mehmel Robert F | S (D) | 617 | $98.68 | 785,283 | Form 4 |
| 2026-08-05 | Mehmel Robert F | S (D) | 3,527 | $100.46 | 779,473 | Form 4 |
| 2026-08-05 | Kramer Ronald J | S (D) | 17,322 | $101.58 | 1,754,059 | Form 4 |
| 2026-08-05 | Kramer Ronald J | S (D) | 12,916 | $100.44 | 1,771,381 | Form 4 |
| 2026-08-05 | Kramer Ronald J | S (D) | 8,120 | $104.27 | 1,684,297 | Form 4 |
| 2026-08-05 | Kramer Ronald J | S (D) | 16,402 | $103.37 | 1,692,417 | Form 4 |
| 2026-08-05 | Kramer Ronald J | S (D) | 45,240 | $102.63 | 1,708,819 | Form 4 |
| 2026-08-05 | Harris Brian G | S (D) | 2,233 | $104.01 | 133,916 | Form 4 |
| 2026-08-05 | Harris Brian G | S (D) | 8,817 | $103.08 | 136,149 | Form 4 |
| 2026-06-30 | Harris Brian G | S (D) | 6,183 | $98.01 | 144,966 | Form 4 |
| 2026-06-30 | Mehmel Robert F | S (D) | 4,166 | $97.76 | 785,900 | Form 4 |
Transaction codes in this quarter
Get GFF insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=50725&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · GFF company page · Griffon Corp on SEC.gov
Questions
Are insiders buying or selling Griffon Corp (GFF)?
In Q3 2026, insiders at Griffon Corp reported 31 non-derivative transactions on 10 Forms 3, 4 and 5: 0 open-market purchases and 31 sales worth $20.2M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Griffon Corp insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/gff.md
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