Form 4: Griffon COO Sells Shares
Insider Transaction (Form 4)
Robert F Mehmel, President and COO of Griffon Corp, sold 22,567 shares of common stock on August 7, 2026.
Summary
- Open-market sale: disposed of 1,911 Common Stock at $106.60 ($203,713) on August 7, 2026; holds 746,928 after (Direct).
- Open-market sale: disposed of 13,464 Common Stock at $107.43 ($1,446,438) on August 7, 2026; holds 733,464 after (Direct).
- Open-market sale: disposed of 553 Common Stock at $108.09 ($59,774) on August 7, 2026; holds 732,911 after (Direct).
- Open-market sale: disposed of 3,638 Common Stock at $104.08 ($378,643) on August 10, 2026; holds 729,273 after (Direct).
- Open-market sale: disposed of 2,913 Common Stock at $104.64 ($304,816) on August 10, 2026; holds 726,360 after (Direct).
- Open-market sale: disposed of 88 Common Stock at $105.21 ($9,258) on August 10, 2026; holds 726,272 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative but low-conviction signal: an insider sold $2,402,642 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 |
|---|---|---|---|---|---|---|
| 2026-08-07 | Open-market sale | Common Stock | 1,911 | $107 | $203.7K | 746,928 |
| 2026-08-07 | Open-market sale | Common Stock | 13,464 | $107 | $1.4M | 733,464 |
| 2026-08-07 | Open-market sale | Common Stock | 553 | $108 | $59.8K | 732,911 |
| 2026-08-10 | Open-market sale | Common Stock | 3,638 | $104 | $378.6K | 729,273 |
| 2026-08-10 | Open-market sale | Common Stock | 2,913 | $105 | $304.8K | 726,360 |
| 2026-08-10 | Open-market sale | Common Stock | 88 | $105 | $9.3K | 726,272 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-07 | Open-market sale (1,911 shares) |
| 2026-08-07 | Open-market sale (13,464 shares) |
| 2026-08-07 | Open-market sale (553 shares) |
| 2026-08-10 | Open-market sale (3,638 shares) |
| 2026-08-10 | Open-market sale (2,913 shares) |
| 2026-08-10 | Open-market sale (88 shares) |
Keywords
insider transaction, Form 4, GFF, GRIFFON CORP, bearish, Robert F Mehmel
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