GRIFFON CORP (GFF) has 128 open-market insider trades by 25 insiders since 2006. Over the last six months insiders net sold $32.8M. The most active filer is Ronald J. Kramer, CEO & Chairman.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Bradley J. Gross | Dir | — | 2 | $240.5M | 2018-06-19 |
| GS Direct, L.L.C. via Bradley J. Gross | 10% Owner | — | 1 | $95.3M | 2018-06-19 |
| Ronald J. Kramer | CEOChairman | — | 21 | $90.4M | 2026-08-05 |
| Sachs & Co Goldman | 10% | — | 1 | $50.0M | 2016-01-29 |
| Harvey R. Blau | Dir | — | 12 | $20.6M | 2017-01-31 |
| Robert F. Mehmel | PresCOO | — | 19 | $17.5M | 2026-08-11 |
| Seth L. Kaplan | VPSecretary | — | 6 | $5.5M | 2026-02-09 |
| Brian G. Harris | CFOVP | — | 10 | $5.1M | 2026-08-07 |
| W. Christopher Durborow | PresCAOVP | — | 4 | $3.5M | 2026-02-17 |
| Louis J. Grabowsky | Dir | — | 7 | $2.4M | 2026-02-18 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Kevin F. Sullivan | Director | Sell | $370K | 2026-08-13 |
| Cheryl L. Turnbull | Director | Sell | $318K | 2026-08-13 |
| Robert F. Mehmel | President & COO | Sell | $347K | 2026-08-11 |
| Brian G. Harris | CFO & VP | Sell | $564K | 2026-08-07 |
| Robert F. Mehmel | President & COO | Sell | $2.4M | 2026-08-07 |
| Robert F. Mehmel | President & COO | Sell | $3.8M |
Companies that share insiders with GFF, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-08-05 |
| Brian G. Harris | CFO & VP | Sell | $1.1M | 2026-08-05 |
| Ronald J. Kramer | CEO & Chairman | Sell | $10.2M | 2026-08-05 |
| Brian G. Harris | CFO & VP | Sell | $606K | 2026-06-30 |
| Robert F. Mehmel | President & COO | Sell | $407K | 2026-06-30 |
| Robert F. Mehmel | President & COO | Sell | $27K | 2026-06-26 |
| Robert F. Mehmel | President & COO | Sell | $1.2M | 2026-06-24 |
| Robert F. Mehmel | President & COO | Sell | $340K | 2026-06-16 |
| Robert F. Mehmel | President & COO | Sell | $836K | 2026-06-12 |
| Ronald J. Kramer | CEO & Chairman | Sell | $9.5M | 2026-06-12 |