MEHMEL ROBERT F sold $340K of GFF
MEHMEL ROBERT F (President and COO) sold 3,565 shares of GRIFFON CORP (GFF) at an average of $95.39 ($95.36–$96.25, $0.34M total) across 3 trades over 2026-06-16 to 2026-06-17 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest disclosed fact is the sale size, price range, and that it was executed under a pre-arranged 10b5-1 plan; this typically has limited standalone impact on valuation.
Market read
Provides a fresh datapoint on insider behavior, but lacks any accompanying guidance, deal, or operational change.
What to watch
Traders may still watch for follow-on insider activity (additional Form 4s) or whether other executives/large holders are selling/buying around the same window.
Background
The article is an SEC Form 4 insider transaction disclosure for Griffon Corp (GFF) by Mehm el Robert F, President and COO.
Ticker impact
Form 4 shows GRIFFON Corp COO sold 3,565 shares in open-market transactions at ~$95.36–$96.25 (10b5-1 plan).
Likely limited near-term impact; any effect should be small and fade unless accompanied by other news.
The filing is primary-source and time-stamped, but the transaction is explicitly under a pre-arranged 10b5-1 plan, reducing interpretive weight versus discretionary selling.
Market effects
No sector-level read-through; this is company-specific insider transaction disclosure.
None indicated.
None indicated.
Counterpoint
Because it’s a 10b5-1 plan, the sale may be routine liquidity management rather than a bearish signal.
Key entities
- issuerGRIFFON CORP
US-listed company whose Form 4 insider sale is disclosed.
- insiderMEHMEL ROBERT F
President and COO who sold shares via open-market transactions under a 10b5-1 plan.
