It has been a mixed year for Griffon Corp insiders: $80,000 bought by one person and $36.7 million sold by ten, so more selling than buying overall.
ALPERT HENRY A (Director) made the biggest buy, worth around $80,000.
Looking at the quarterly pattern: 3 quarters in a row of net selling by insiders. Insiders bought in 1 of the last 7 full quarters. 347 investment managers listed GFF in their latest 13F filings (Q2 2026); funds were split between buying and selling.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Aug 14, 2026 | TURNBULL CHERYL L | Director | Sell | 3,000 | $106.12 | $318K | SEC |
| Aug 14, 2026 | Sullivan Kevin F | Director | Sell | 3,500 | $105.59 | $370K | SEC |
| Aug 13, 2026 | MEHMEL ROBERT F | COO | Sell | 3,240 | $107.16 | $347K | SEC |
| Aug 11, 2026 | MEHMEL ROBERT F | COO | Sell | 2,913 | $104.64 | $305K | SEC |
| Aug 11, 2026 | MEHMEL ROBERT F | COO | Sell | 553 | $108.09 | $60K | SEC |
| Aug 11, 2026 | MEHMEL ROBERT F | COO | Sell | 3,638 | $104.08 | $379K | SEC |
| Aug 11, 2026 | MEHMEL ROBERT F | COO | Sell | 88 | $105.21 | $9K | SEC |
| Aug 11, 2026 | MEHMEL ROBERT F | COO | Sell | 1,911 | $106.60 | $204K | SEC |
| Aug 11, 2026 | MEHMEL ROBERT F | COO | Sell | 13,464 | $107.43 | $1.4M | SEC |
| Aug 11, 2026 | Harris Brian G | CFO | Sell | 5,267 | $107.11 | $564K | SEC |
| Aug 7, 2026 | Harris Brian G | CFO | Sell | 2,233 | $104.01 | $232K | SEC |
| Aug 7, 2026 | KRAMER RONALD J | CEO | Sell | 16,402 | $103.37 | $1.7M | SEC |
| Aug 7, 2026 | KRAMER RONALD J | CEO | Sell | 45,240 | $102.63 | $4.6M | SEC |
| Aug 7, 2026 | MEHMEL ROBERT F | COO | Sell | 2,217 | $104.12 | $231K | SEC |
| Aug 7, 2026 | MEHMEL ROBERT F | COO | Sell | 5,434 | $103.53 | $563K | SEC |
In the last 12 months Griffon Corp insiders made open-market purchases worth about $80,000 and sales worth about $36.7 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in GFF was filed on 2026-08-14.
347 investment managers reported holding GFF in SEC Form 13F filings for Q2 2026.
No congressional trades in GFF were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).