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Detailed Insider History for:
GRIFFON CORP: GFF
Price: 8/7/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$107.22 $108.57 $65.01 $4,918 46 361 0.8% 5.6% 82.25% 18.93%
Exch Sector Industry Sub-Industry
NYSE Manufacturing Fabricated Metal Products, Except Machinery And Transportation Equipment Metal Doors, Sash, Frames, Moldings & Trim
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
1y
8
25%
5%
1
MEHMEL ROBERT F
PR,COO
AS
$2,402,642
22,567
8/7/26
8/10/26
$104.08
$105.21
726,272
-3.0
D
10b
8/11/26 - 4:15:57 pm
2
1y
3
33%
3%
1
HARRIS BRIAN G
VP,CFO
AS
$564,148
5,267
---
8/7/26
---
$107.11
128,649
-3.9
D
10b
8/11/26 - 4:15:47 pm
3
1y
8
25%
5%
1
MEHMEL ROBERT F
PR,COO
AS
$3,813,093
36,903
8/5/26
8/6/26
$98.68
$106.27
748,839
-4.7
D
10b
8/7/26 - 5:02:40 pm
4
1y
8
25%
5%
1
MEHMEL ROBERT F
PR,COO
AS
$16,121
158
---
8/6/26
---
$102.03
763,533
-0.0
D
10b
8/7/26 - 5:02:40 pm
5
1y
3
33%
3%
1
HARRIS BRIAN G
VP,CFO
AS
$1,141,111
11,050
---
8/5/26
$103.08
$104.01
133,916
-7.6
D
10b
8/7/26 - 5:02:51 pm
6
1y
9
11%
7%
2
KRAMER RONALD J
CB,CEO,DIR
AS
$10,241,980
100,000
---
8/5/26
$100.44
$104.27
1,684,297
-5.6
D
10b
8/7/26 - 5:02:46 pm
7
1y
8
25%
5%
1
MEHMEL ROBERT F
PR,COO
AS
$407,268
4,166
---
6/30/26
---
$97.76
785,900
-0.5
D
10b
7/2/26 - 5:00:32 pm
8
1y
3
33%
3%
1
HARRIS BRIAN G
VP,CFO
AS
$605,996
6,183
---
6/30/26
---
$98.01
144,966
-4.1
D
10b
7/2/26 - 5:00:25 pm
9
1y
8
25%
5%
1
MEHMEL ROBERT F
PR,COO
AS
$27,359
286
---
6/26/26
$95.52
$97.50
790,066
-0.0
D
10b
6/30/26 - 5:00:13 pm
10
1y
8
25%
5%
1
MEHMEL ROBERT F
PR,COO
AS
$1,207,146
12,599
6/24/26
6/25/26
$95.45
$97.27
790,352
-1.6
D
10b
6/26/26 - 5:00:16 pm
11
1y
8
25%
5%
1
MEHMEL ROBERT F
PR,COO
AS
$340,050
3,565
6/16/26
6/17/26
$95.36
$95.37
802,951
-0.4
D
10b
6/18/26 - 5:00:19 pm
12
1y
8
25%
5%
1
MEHMEL ROBERT F
PR,COO
AS
$835,734
8,773
6/12/26
6/15/26
$95.18
$95.40
806,516
-1.1
D
10b
6/16/26 - 4:59:57 pm
13
1y
9
11%
7%
2
KRAMER RONALD J
CB,CEO,DIR
S
$9,492,107
100,000
---
6/12/26
---
$94.62
1,784,297
-5.3
D
---
6/15/26 - 5:00:30 pm
14
1y
3
33%
3%
1
HARRIS BRIAN G
VP,CFO
AS
$712,725
7,500
---
6/11/26
---
$95.03
151,149
-4.7
D
10b
6/15/26 - 5:00:23 pm
15
1y
6
83%
13%
1
ALPERT HENRY A
DIR
B
$79,990
1,000
---
3/5/26
---
$79.99
71,479
1.4
D
---
3/9/26 - 4:30:02 pm
16
    
 
GRABOWSKY LOUIS J
DIR
JB
---
1,340
---
2/18/26
---
---
43,010
3.2
D
R
2/20/26 - 4:32:31 pm
17
    
 
JOHNSON LACY M
DIR
JB
---
1,340
---
2/18/26
---
---
26,443
5.3
D
R
2/20/26 - 4:32:25 pm
18
    
 
ALPERT HENRY A
DIR
JB
---
1,340
---
2/18/26
---
---
70,479
1.9
D
R
2/20/26 - 4:32:18 pm
19
    
 
SULLIVAN KEVIN F
DIR
JB
---
1,340
---
2/18/26
---
---
44,102
3.1
D
R
2/20/26 - 4:32:13 pm
20
    
 
SIGHT JAMES W
DIR
JB
---
1,340
---
2/18/26
---
---
15,212
9.7
D
R
2/20/26 - 4:32:08 pm
21
    
 
HEGEDUS SAMANTA
DIR
JB
---
1,340
---
2/18/26
---
---
26,055
5.4
D
R
2/20/26 - 4:32:03 pm
22
    
 
TURNBULL CHERYL L
DIR
JB
---
1,340
---
2/18/26
---
---
33,039
4.2
D
R
2/20/26 - 4:31:56 pm
23
    
 
TAYLOR MICHELLE L
DIR
JB
---
1,340
---
2/18/26
---
---
10,363
14.9
D
R
2/20/26 - 4:31:51 pm
24
    
 
COBEN JEROME L
DIR
JB
---
1,340
---
2/18/26
---
---
19,459
7.4
D
R
2/20/26 - 4:31:46 pm
25
    
 
DIAO H C CHARLES
DIR
JB
---
1,340
---
2/18/26
---
---
12,013
12.6
D
R
2/20/26 - 4:31:40 pm
26
1y
2
50%
-4%
1
DURBOROW W CHRISTOPHER
VP,CAO
S
$919,700
10,000
---
2/17/26
---
$91.97
29,963
-25.0
D
---
2/18/26 - 4:32:08 pm
27
1y
1
100%
-5%
3
GRABOWSKY LOUIS J
DIR
S
$1,023,660
11,000
---
2/13/26
---
$93.06
41,670
-20.9
D
---
2/17/26 - 4:31:28 pm
28
    
 
TAYLOR MICHELLE L
DIR
S
$152,724
1,650
---
2/12/26
---
$92.56
9,023
-15.5
D
---
2/17/26 - 4:31:21 pm
29
1y
4
75%
-5%
1
KAPLAN SETH L
VP,GC,SEC
S
$1,431,664
15,000
---
2/9/26
$94.67
$97.46
119,747
-11.1
D
---
2/11/26 - 4:30:18 pm
30
1y
3
33%
10%
4
SIGHT JAMES W
DIR
S
$295,181
3,070
---
2/9/26
---
$96.15
13,872
-18.1
D
---
2/11/26 - 4:30:10 pm
31
    
 
KRAMER RONALD J
CB,CEO,DIR
JS
---
67,785
---
12/24/25
---
---
1,884,297
-3.5
D
---
12/30/25 - 4:30:26 pm
32
    
 
KAPLAN SETH L
VP,GC,SEC
JS
---
600
---
12/22/25
---
---
134,747
-0.4
D
---
12/23/25 - 4:30:28 pm
33
    
 
ALPERT HENRY A
DIR
JS
---
2,150
---
12/4/25
---
---
69,139
-3.0
D
---
12/8/25 - 4:31:22 pm
34
    
 
HARRIS BRIAN G
VP,CFO
JS
$570,750
7,610
---
11/30/25
---
$75.00
158,649
-4.6
D
R
12/2/25 - 4:32:13 pm
35
    
 
KRAMER RONALD J
CB,CEO,DIR
JS
$5,555,925
74,079
---
11/30/25
---
$75.00
1,952,082
-3.7
D
R
12/2/25 - 4:32:06 pm
36
    
 
KAPLAN SETH L
VP,GC,SEC
JS
$669,075
8,921
---
11/30/25
---
$75.00
135,347
-6.2
D
R
12/2/25 - 4:31:59 pm
37
    
 
DURBOROW W CHRISTOPHER
VP,CAO
JS
$325,725
4,343
---
11/30/25
---
$75.00
39,963
-9.8
D
R
12/2/25 - 4:31:52 pm
38
    
 
MEHMEL ROBERT F
PR,COO
JS
$2,019,600
26,928
---
11/30/25
---
$75.00
815,289
-3.2
D
R
12/2/25 - 4:31:45 pm
39
    
 
KRAMER RONALD J
CB,CEO,DIR
JB
---
136,864
---
11/18/25
---
---
2,026,161
7.2
D
R
11/19/25 - 5:32:23 pm
40
    
 
MEHMEL ROBERT F
PR,COO
JB
---
68,432
---
11/18/25
---
---
842,217
8.8
D
R
11/19/25 - 5:32:15 pm
41
    
 
SULLIVAN KEVIN F
DIR
JB
---
1,594
---
3/11/25
---
---
42,762
3.9
D
R
3/13/25 - 5:02:08 pm
42
    
 
ALPERT HENRY A
DIR
JB
---
1,594
---
3/11/25
---
---
71,289
2.3
D
R
3/13/25 - 5:01:58 pm
43
    
 
COBEN JEROME L
DIR
JB
---
1,594
---
3/11/25
---
---
18,119
9.6
D
R
3/13/25 - 5:01:48 pm
44
    
 
JOHNSON LACY M
DIR
JB
---
1,594
---
3/11/25
---
---
25,103
6.8
D
R
3/13/25 - 5:01:37 pm
45
    
 
HEGEDUS SAMANTA
DIR
JB
---
1,594
---
3/11/25
---
---
24,715
6.9
D
R
3/13/25 - 5:01:29 pm
46
    
 
SIGHT JAMES W
DIR
JB
---
1,594
---
3/11/25
---
---
16,942
10.4
D
R
3/13/25 - 5:01:16 pm
47
    
 
TURNBULL CHERYL L
DIR
JB
---
1,594
---
3/11/25
---
---
31,699
5.3
D
R
3/13/25 - 5:01:04 pm
48
    
 
DIAO H C CHARLES
DIR
JB
---
1,594
---
3/11/25
---
---
10,673
17.6
D
R
3/13/25 - 5:00:53 pm
49
    
 
TAYLOR MICHELLE L
DIR
JB
---
1,594
---
3/11/25
---
---
10,673
17.6
D
R
3/13/25 - 5:00:38 pm
50
    
 
GRABOWSKY LOUIS J
DIR
JB
---
1,594
---
3/11/25
---
---
52,670
3.1
D
R
3/13/25 - 5:00:26 pm
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