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 |
|---|---|---|---|---|---|---|---|---|---|
| Jun 15, 2026 (view filing) | Jun 11 | 4 days | Harris Brian GEVP, Chief Financial Officer | SSale | −7.50K | $95.03 | −$712.7K | −4.7%151.1K after | 10b5-1 |
| Jun 15, 2026 (view filing) | Jun 12 | 3 days | Kramer Ronald JChairman of the Board and CEO | SSale | −100.0K | $94.92 | −$9.49M | −5.3%1.78M after | 2 lots |
| Jun 16, 2026 (view filing) | Jun 12-15 | 4 days | Mehmel Robert FPresident and COO | SSale | −8.77K | $95.26 | −$835.7K | −1.1%806.5K after | 2 lots10b5-1 |
| Jun 18, 2026 (view filing) | Jun 16-17 | 2 days | Mehmel Robert FPresident and COO | SSale | −3.56K | $95.39 | −$340.1K | −0.4%803.0K after | 3 lots10b5-1 |
| Jun 26, 2026 (view filing) | Jun 24-25 | 2 days | Mehmel Robert FPresident and COO | SSale | −12.6K | $95.81 | −$1.21M | −1.6%790.4K after | 5 lots10b5-1 |
| Jun 30, 2026 (view filing) | Jun 26 | 4 days | Mehmel Robert FPresident and COO | SSale | −286 | $95.66 | −$27.4K | 0.0%790.1K after | 3 lots10b5-1 |
| Jul 2, 2026 (view filing)5:00 PM ET | Jun 30 | 2 days | Harris Brian GEVP, Chief Financial Officer | SSale | −6.18K | $98.01 | −$606.0K | −4.1%145.0K after | 10b5-1 |
| Jul 2, 2026 (view filing)5:00 PM ET | Jun 30 | 2 days | Mehmel Robert FPresident and COO | SSale | −4.17K | $97.76 | −$407.3K | −0.5%785.9K after | 10b5-1 |
| Aug 7, 2026 (view filing)5:02 PM ET | Aug 5-6 | 2 days | Mehmel Robert FPresident and COO | SSale | −37.1K | $103.32 | −$3.83M | −4.7%748.8K after | 12 lots10b5-1 |
| Aug 7, 2026 (view filing)5:02 PM ET | Aug 5 | 2 days | Kramer Ronald JChairman of the Board and CEO | SSale | −100.0K | $102.42 | −$10.2M | −5.6%1.68M after | 5 lots10b5-1 |
| Aug 7, 2026 (view filing)5:02 PM ET | Aug 5 | 2 days | Harris Brian GEVP, Chief Financial Officer | SSale | −11.1K | $103.27 | −$1.14M | −7.6%133.9K after | 2 lots10b5-1 |
| Aug 11, 2026 (view filing)4:15 PM ET | Aug 7 | 4 days | Harris Brian GEVP, Chief Financial Officer | SSale | −5.27K | $107.11 | −$564.1K | −3.9%128.6K after | 10b5-1 |
| Aug 11, 2026 (view filing)4:15 PM ET | Aug 7-10 | 4 days | Mehmel Robert FPresident and COO | SSale | −22.6K | $106.47 | −$2.40M | −3.0%726.3K after | 6 lots10b5-1 |
| Aug 13, 2026 (view filing)4:30 PM ET | Aug 11 | 2 days | Mehmel Robert FPresident and COO | SSale | −3.24K | $107.16 | −$347.2K | −0.4%723.0K after | 10b5-1 |
| Aug 14, 2026 (view filing)4:31 PM ET | Aug 13 | 1 day | Sullivan Kevin FDirector | SSale | −3.50K | $105.59 | −$369.6K | −7.9%40.6K after | |
| Aug 14, 2026 (view filing)4:31 PM ET | Aug 13 | 1 day | Turnbull Cheryl LDirector | SSale | −3.00K | $106.12 | −$318.4K | −9.1%30.0K after |