Griffon Corp
GFF- Exchange
- NYSE
- Industry
- Metal Doors, Sash, Frames, Moldings & Trim
- SEC CIK
- 0000050725
In the last 90 days, Griffon Corp insiders filed 0 open-market purchases and 10 sales; 346 institutions reported holding it in 13F filings for Q2 2026, worth $3.54B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Griffon Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 10 filings
- 5 insiders, $20.2M in total
- Insiders trading
- 5
- Net value
- −$20.2M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Griffon Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Turnbull Cheryl L | Director | 30,039 | Aug 14, 2026 | 2 |
| Sullivan Kevin F | Director | 40,602 | Aug 14, 2026 | 2 |
| Mehmel Robert F | President and COO | 723,032 | Aug 13, 2026 | 10 |
| Harris Brian G | EVP, Chief Financial Officer | 128,649 | Aug 11, 2026 | 5 |
| Kramer Ronald J | Chairman of the Board and CEO | 1,684,297 | Aug 7, 2026 | 5 |
| Alpert Henry A | Director | 71,479 | Mar 9, 2026 | 3 |
| Sight James W | Director | 15,212 | Feb 20, 2026 | 2 |
| Coben Jerome L | Director | 19,459 | Feb 20, 2026 | 1 |
| Diao H.C. Charles | Director | 12,013 | Feb 20, 2026 | 1 |
| Grabowsky Louis J. | Director | 43,010 | Feb 20, 2026 | 2 |
| Johnson Lacy M. | Director | 26,443 | Feb 20, 2026 | 1 |
| Stewart Samanta H | Director | 26,055 | Feb 20, 2026 | 1 |
| Taylor Michelle L | Director | 10,363 | Feb 20, 2026 | 2 |
| Durborow W. Christopher | Vice President & CAO | 29,963 | Feb 18, 2026 | 2 |
| Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | 119,747 | Feb 11, 2026 | 3 |
| Renuart Victor Eugene | Director | 19,312 | Nov 29, 2024 | 0 |
| Voss Capital, LP | Director, Other: See Remarks | 276 | Feb 22, 2024 | 0 |
| Voss Advisors GP, LLC | Director, Other: See Remarks | 276 | Feb 22, 2024 | 0 |
| Cocke Travis W. | Director, Other: See Remarks | 276 | Feb 22, 2024 | 0 |
| Voss Value-Oriented Special Situations Fund, LP | Director, Other: See Remarks | 276 | Feb 22, 2024 | 0 |
| Voss Value Master Fund, LP | Director, Other: See Remarks | 276 | Feb 22, 2024 | 0 |
| Voss Value Master Fund, L.P. | Director | 1,556,953Indirect | Jan 24, 2023 | 0 |
| Brosig Thomas | Director | 39,273 | Mar 4, 2022 | 0 |
| Harrison Robert G | Director | 50,296 | Mar 4, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 17, 2024 (view filing) | Sep 13-16 | 4 days | Mehmel Robert FPresident and COO | SSale | −25.0K | $66.87 | −$1.67M | −3.1%787.9K after | 5 lots10b5-1 |
| Sep 13, 2024 (view filing) | Sep 11 | 2 days | Kramer Ronald JChairman of the Board and CEO | SSale | −100.0K | $62.26 | −$6.23M | −4.2%2.26M after | 3 lots |
| Aug 23, 2024 (view filing) | Aug 22 | 1 day | Sullivan Kevin FDirector | SSale | −12.4K | $65.00 | −$809.1K | −19.8%50.4K after | |
| Jun 13, 2024 (view filing) | Jun 12 | 1 day | Durborow W. ChristopherVice President & CAO | SSale | −13.0K | $66.88 | −$869.4K | −21.2%48.4K after | |
| Jun 13, 2024 (view filing) | Jun 12 | 1 day | Kramer Ronald JChairman of the Board and CEO | SSale | −100.0K | $67.07 | −$6.71M | −3.8%2.50M after | 3 lots |
| Feb 27, 2024 (view filing) | Feb 26 | 1 day | Coben Jerome LDirector | SSale | −2.00K | $69.44 | −$138.9K | −10.5%17.1K after | |
| Feb 13, 2024 (view filing) | Feb 12 | 1 day | Renuart Victor EugeneDirector | SSale | −5.00K | $68.08 | −$340.4K | −12.5%34.9K after | |
| Feb 9, 2024 (view filing) | Feb 8 | 1 day | Sight James WDirector | SSale | −2.00K | $67.38 | −$134.8K | −9.6%18.8K after | |
| Feb 9, 2024 (view filing) | Feb 8 | 1 day | Turnbull Cheryl LDirector | SSale | −5.00K | $67.53 | −$337.6K | −13.4%32.2K after | |
| Feb 9, 2024 (view filing) | Feb 8 | 1 day | Alpert Henry ADirector | SSale | −2.50K | $67.22 | −$167.7K | −3.3%72.9K after | |
| Dec 23, 2021 (view filing) | Dec 21 | 2 days | Sullivan Kevin FDirector | PPurchase | +3.50K | $26.24 | +$91.8K | +7.1%52.7K after | |
| Dec 23, 2021 (view filing) | Dec 22 | 1 day | Johnson Lacy M.Director | PPurchase | +2.50K | $28.04 | +$70.1K | +21.0%14.4K after | |
| Dec 23, 2021 (view filing) | Dec 21 | 2 days | Coben Jerome LDirector | PPurchase | +2.00K | $26.41 | +$52.8K | +21.1%11.5K after | |
| Dec 23, 2021 (view filing) | Dec 21 | 2 days | Alpert Henry ADirector | PPurchase | +3.00K | $26.40 | +$79.2K | +4.3%72.6K after | |
| Dec 21, 2021 (view filing) | Dec 21 | Same day | Grabowsky Louis J.Director | PPurchase | +5.90K | $25.63 | +$151.2K | +12.8%51.9K after | |
| Dec 21, 2021 (view filing) | Dec 21 | Same day | Brosig ThomasDirector | PPurchase | +1.92K | $25.96 | +$49.9K | +5.8%35.0K after |