Form 4: Griffon COO Sells Shares
Insider Transaction (Form 4)
Robert F Mehmel, President and COO of Griffon Corp, sold 37,061 shares of common stock on August 5, 2026.
Summary
- Open-market sale: disposed of 617 Common Stock at $98.68 ($60,886) on August 5, 2026; holds 785,283 after (Direct).
- Open-market sale: disposed of 2,283 Common Stock at $99.67 ($227,547) on August 5, 2026; holds 783,000 after (Direct).
- Open-market sale: disposed of 3,527 Common Stock at $100.46 ($354,322) on August 5, 2026; holds 779,473 after (Direct).
- Open-market sale: disposed of 2,790 Common Stock at $101.44 ($283,018) on August 5, 2026; holds 776,683 after (Direct).
- Open-market sale: disposed of 5,341 Common Stock at $102.59 ($547,933) on August 5, 2026; holds 771,342 after (Direct).
- Open-market sale: disposed of 5,434 Common Stock at $103.53 ($562,582) on August 5, 2026; holds 765,908 after (Direct).
- Open-market sale: disposed of 2,217 Common Stock at $104.12 ($230,834) on August 5, 2026; holds 763,691 after (Direct).
- Open-market sale: disposed of 158 Common Stock at $102.03 ($16,121) on August 6, 2026; holds 763,533 after (Direct).
- Open-market sale: disposed of 211 Common Stock at $103.52 ($21,843) on August 6, 2026; holds 763,322 after (Direct).
- Open-market sale: disposed of 5,476 Common Stock at $104.56 ($572,571) on August 6, 2026; holds 757,846 after (Direct).
- Open-market sale: disposed of 6,933 Common Stock at $105.46 ($731,154) on August 6, 2026; holds 750,913 after (Direct).
- Open-market sale: disposed of 2,074 Common Stock at $106.27 ($220,404) on August 6, 2026; holds 748,839 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $3,829,214 of stock under a pre-arranged Rule 10b5-1 plan, which is typically routine.
Insider Transactions
Robert F Mehmel — Officer (President and COO)
Transaction made under a Rule 10b5-1 trading plan.
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-05 | Open-market sale | Common Stock | 617 | $99 | $60.9K | 785,283 |
| 2026-08-05 | Open-market sale | Common Stock | 2,283 | $100 | $227.5K | 783,000 |
| 2026-08-05 | Open-market sale | Common Stock | 3,527 | $100 | $354.3K | 779,473 |
| 2026-08-05 | Open-market sale | Common Stock | 2,790 | $101 | $283.0K | 776,683 |
| 2026-08-05 | Open-market sale | Common Stock | 5,341 | $103 | $547.9K | 771,342 |
| 2026-08-05 | Open-market sale | Common Stock | 5,434 | $104 | $562.6K | 765,908 |
| 2026-08-05 | Open-market sale | Common Stock | 2,217 | $104 | $230.8K | 763,691 |
| 2026-08-06 | Open-market sale | Common Stock | 158 | $102 | $16.1K | 763,533 |
| 2026-08-06 | Open-market sale | Common Stock | 211 | $104 | $21.8K | 763,322 |
| 2026-08-06 | Open-market sale | Common Stock | 5,476 | $105 | $572.6K | 757,846 |
| 2026-08-06 | Open-market sale | Common Stock | 6,933 | $105 | $731.2K | 750,913 |
| 2026-08-06 | Open-market sale | Common Stock | 2,074 | $106 | $220.4K | 748,839 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-05 | Open-market sale (617 shares) |
| 2026-08-05 | Open-market sale (2,283 shares) |
| 2026-08-05 | Open-market sale (3,527 shares) |
| 2026-08-05 | Open-market sale (2,790 shares) |
| 2026-08-05 | Open-market sale (5,341 shares) |
| 2026-08-05 | Open-market sale (5,434 shares) |
| 2026-08-05 | Open-market sale (2,217 shares) |
| 2026-08-06 | Open-market sale (158 shares) |
| 2026-08-06 | Open-market sale (211 shares) |
| 2026-08-06 | Open-market sale (5,476 shares) |
| 2026-08-06 | Open-market sale (6,933 shares) |
| 2026-08-06 | Open-market sale (2,074 shares) |
Keywords
insider transaction, Form 4, GFF, GRIFFON CORP, bearish, Robert F Mehmel
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