Griffon Corp (GFF)
NYSE: GFF · Metal Doors, Sash, Frames, Moldings & Trim · New York, NY · filing with the SEC since 1994
Grade6.3
◀ Past 7.2● Present 6.9▶ Future 4.6
Who owns Griffon Corp
As filed with the SECHolders of 5% or more
2
Blackrock, Inc. holds 12.3% of Common Stock, as its SCHEDULE 13G/A filed Jul 18, 2025 says.
Directors and officers
15
report now, of 29 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 18, 2025 · Common Stock · 13.4% in Feb 5, 2025
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What GFF reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
AMES Companies, Inc.
An entity · legal entity · owns, named in the 10-K filed Nov 19, 2025
Pope
A company bought · acquisition · Jun 2024 · owns, named in the 10-K filed Nov 19, 2025
23 subsidiaries in 6 countries, from the list filed with the 10-K filed Nov 19, 2025.
Insider tradesForm 4
57sales
1purchases
45sales on a scheduled plan
10people selling
$37.5Msold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Nov 6, 2025 to Nov 6, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 6, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window11 of 36 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Kramer Ronald J | Chairman of the Board and CEO | 7 | $19.7M | 5 | 0 | $0 |
| Mehmel Robert F | President and COO | 35 | $10.2M | 35 | 0 | $0 |
| Harris Brian G | EVP, Chief Financial Officer | 5 | $3.0M | 5 | 0 | $0 |
| Kaplan Seth L. | Sr VP, Gen. Counsel and Secy | 4 | $1.4M | 0 | 0 | $0 |
| Grabowsky Louis J. | director | 1 | $1.0M | 0 | 0 | $0 |
| Durborow W. Christopher | Vice President & CAO | 1 | $900,000 | 0 | 0 | $0 |
| Sullivan Kevin F | director | 1 | $400,000 | 0 | 0 | $0 |
| Turnbull Cheryl L | director | 1 | $300,000 | 0 | 0 | $0 |
| Sight James W | director | 1 | $300,000 | 0 | 0 | $0 |
| Taylor Michelle L | director | 1 | $200,000 | 0 | 0 | $0 |
| Alpert Henry A | director | 0 | $0 | 0 | 1 | $100,000 |