Griffon President and COO Robert F. Mehmel sells 3,240 common shares for $347,198.40
GFF•Insider sale reported by Griffon president and COO
- Griffon President and COO Robert F. Mehmel sold 3,240 common shares on Aug. 11, 2026 at $107.16 per share.
- Direct holdings rose to 723,032 shares following the transaction.
- He also reported 4,219 common shares held indirectly through an ESOP.




