Robert F. Mehmel

CIK: 0001201289

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)52 (89.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (5.2%)

Compensation grants

Other (G, F, J, C, D, …)3 (5.2%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

GFF

GRIFFON CORP

Officer

Discretionary Trading P&L

Holdings

Transaction History (58 total)

GFF
GRIFFON CORP
Aug 11, 2026
Sale(S)
Direct
3.2K shares at avg. $107.16$347K
GFF
GRIFFON CORP
Aug 10, 2026
Sale(S)
Direct
2.9K shares at avg. $104.64$305K
GFF
GRIFFON CORP
Aug 10, 2026
Sale(S)
Direct
88 shares at avg. $105.21$9K
GFF
GRIFFON CORP
Aug 10, 2026
Sale(S)
Direct
3.6K shares at avg. $104.08$379K
GFF
GRIFFON CORP
Aug 7, 2026
Sale(S)
Direct
1.9K shares at avg. $106.60$204K
GFF
GRIFFON CORP
Aug 7, 2026
Sale(S)
Direct
553 shares at avg. $108.09$60K
GFF
GRIFFON CORP
Aug 7, 2026
Sale(S)
Direct
13.5K shares at avg. $107.43$1.4M
GFF
GRIFFON CORP
Aug 6, 2026
Sale(S)
Direct
158 shares at avg. $102.03$16K
GFF
GRIFFON CORP
Aug 6, 2026
Sale(S)
Direct
2.1K shares at avg. $106.27$220K
GFF
GRIFFON CORP
Aug 6, 2026
Sale(S)
Direct
211 shares at avg. $103.52$22K
GFF
GRIFFON CORP
Aug 6, 2026
Sale(S)
Direct
5.5K shares at avg. $104.56$573K
GFF
GRIFFON CORP
Aug 6, 2026
Sale(S)
Direct
6.9K shares at avg. $105.46$731K
GFF
GRIFFON CORP
Aug 5, 2026
Sale(S)
Direct
2.2K shares at avg. $104.12$231K
GFF
GRIFFON CORP
Aug 5, 2026
Sale(S)
Direct
5.4K shares at avg. $103.53$563K
GFF
GRIFFON CORP
Aug 5, 2026
Sale(S)
Direct
5.3K shares at avg. $102.59$548K
GFF
GRIFFON CORP
Aug 5, 2026
Sale(S)
Direct
2.8K shares at avg. $101.44$283K
GFF
GRIFFON CORP
Aug 5, 2026
Sale(S)
Direct
3.5K shares at avg. $100.46$354K
GFF
GRIFFON CORP
Aug 5, 2026
Sale(S)
Direct
2.3K shares at avg. $99.67$228K
GFF
GRIFFON CORP
Aug 5, 2026
Sale(S)
Direct
617 shares at avg. $98.68$61K
GFF
GRIFFON CORP
Jun 30, 2026
Sale(S)
Direct
4.2K shares at avg. $97.76$407K
GFF
GRIFFON CORP
Jun 25, 2026
Sale(S)
Direct
1.2K shares at avg. $97.27$116K
GFF
GRIFFON CORP
Jun 25, 2026
Sale(S)
Direct
1.5K shares at avg. $96.41$148K
GFF
GRIFFON CORP
Jun 25, 2026
Sale(S)
Direct
5.1K shares at avg. $95.62$492K
GFF
GRIFFON CORP
Jun 24, 2026
Sale(S)
Direct
100 shares at avg. $96.03$10K
GFF
GRIFFON CORP
Jun 24, 2026
Sale(S)
Direct
4.6K shares at avg. $95.45$442K

		Type	Shares	Price		Ownership
Aug 11, 2026	GFF GRIFFON CORP	Sale(S)	3,240	$107.16	$347,198	Direct
Aug 10, 2026	GFF GRIFFON CORP	Sale(S)	2,913	$104.64	$304,816	Direct
Aug 10, 2026	GFF GRIFFON CORP	Sale(S)	88	$105.21	$9,258	Direct
Aug 10, 2026	GFF GRIFFON CORP	Sale(S)	3,638	$104.08	$378,643	Direct
Aug 7, 2026	GFF GRIFFON CORP	Sale(S)	1,911	$106.60	$203,713	Direct
Aug 7, 2026	GFF GRIFFON CORP	Sale(S)	553	$108.09	$59,774	Direct
Aug 7, 2026	GFF GRIFFON CORP	Sale(S)	13,464	$107.43	$1,446,438	Direct
Aug 6, 2026	GFF GRIFFON CORP	Sale(S)	158	$102.03	$16,121	Direct
Aug 6, 2026	GFF GRIFFON CORP	Sale(S)	2,074	$106.27	$220,404	Direct
Aug 6, 2026	GFF GRIFFON CORP	Sale(S)	211	$103.52	$21,843	Direct
Aug 6, 2026	GFF GRIFFON CORP	Sale(S)	5,476	$104.56	$572,571	Direct
Aug 6, 2026	GFF GRIFFON CORP	Sale(S)	6,933	$105.46	$731,154	Direct
Aug 5, 2026	GFF GRIFFON CORP	Sale(S)	2,217	$104.12	$230,834	Direct
Aug 5, 2026	GFF GRIFFON CORP	Sale(S)	5,434	$103.53	$562,582	Direct
Aug 5, 2026	GFF GRIFFON CORP	Sale(S)	5,341	$102.59	$547,933	Direct
Aug 5, 2026	GFF GRIFFON CORP	Sale(S)	2,790	$101.44	$283,018	Direct
Aug 5, 2026	GFF GRIFFON CORP	Sale(S)	3,527	$100.46	$354,322	Direct
Aug 5, 2026	GFF GRIFFON CORP	Sale(S)	2,283	$99.67	$227,547	Direct
Aug 5, 2026	GFF GRIFFON CORP	Sale(S)	617	$98.68	$60,886	Direct
Jun 30, 2026	GFF GRIFFON CORP	Sale(S)	4,166	$97.76	$407,268	Direct
Jun 25, 2026	GFF GRIFFON CORP	Sale(S)	1,190	$97.27	$115,751	Direct
Jun 25, 2026	GFF GRIFFON CORP	Sale(S)	1,534	$96.41	$147,893	Direct
Jun 25, 2026	GFF GRIFFON CORP	Sale(S)	5,149	$95.62	$492,347	Direct
Jun 24, 2026	GFF GRIFFON CORP	Sale(S)	100	$96.03	$9,603	Direct
Jun 24, 2026	GFF GRIFFON CORP	Sale(S)	4,626	$95.45	$441,552	Direct

1-25 of 58 transactions

About MEHMEL ROBERT F

MEHMEL ROBERT F (SEC CIK 0001201289) files insider reports with the SEC as President and COO of GRIFFON CORP (GFF).

Signal8 holds 19 ownership filings by MEHMEL ROBERT F, all Form 4s, filed between Sep 17, 2024 and Aug 13, 2026. Those filings report 58 transactions, from Sep 13, 2024 to Aug 11, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on MEHMEL ROBERT F's filings is in NEW YORK, NY.

Recent filings by MEHMEL ROBERT F

Aug 11, 2026: Open-market sale of GFF shares (Form 4, code S).
Aug 10, 2026: Open-market sales of GFF shares (3 lines, Form 4, code S).
Aug 7, 2026: Open-market sales of GFF shares (3 lines, Form 4, code S).
Aug 6, 2026: Open-market sales of GFF shares (5 lines, Form 4, code S).
Aug 5, 2026: Open-market sales of GFF shares (7 lines, Form 4, code S).

Other insiders filing for GRIFFON CORP (GFF)

TURNBULL CHERYL L, Director
Sullivan Kevin F, Director
Harris Brian G, EVP, Chief Financial Officer
KRAMER RONALD J, Chairman of the Board and CEO
ALPERT HENRY A, Director
Grabowsky Louis J., Director

How to read Form 4 transaction codes