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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
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 JS
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Detailed Insider History for:
FORMFACTOR INC: FORM
Price: 5/23/25 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
$30.37 $63.63 $22.58 $2,341 77 867 0.0% 6.2% 100.11% 0.92%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Semiconductors & Related Devices
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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
33
42%
12%
4
ST DENNIS THOMAS
DIR
S
$93,720
3,000
---
5/29/25
---
$31.24
40,957
-6.8
D
---
5/30/25 - 7:26:24 pm
2
    
 
STEVEN WAISS KELLEY
DIR
JB
---
6,528
---
5/16/25
---
---
39,079
20.1
D
R
5/16/25 - 8:49:14 pm
3
    
 
WHITE BRIAN C
DIR
JB
---
6,528
---
5/16/25
---
---
18,356
55.2
D
R
5/16/25 - 8:45:33 pm
4
    
 
TITINGER JORGE
DIR
JB
---
6,528
---
5/16/25
---
---
19,498
50.3
D
R
5/16/25 - 8:43:53 pm
5
    
 
RHODES SHERI
DIR
JB
---
6,528
---
5/16/25
---
---
17,990
57.0
D
R
5/16/25 - 8:42:04 pm
6
    
 
OBREGON JIMENEZ REBECA
DIR
JB
---
6,528
---
5/16/25
---
---
17,126
61.6
D
R
5/16/25 - 8:39:38 pm
7
    
 
BREWER KEVIN J
DIR
JB
---
6,528
---
5/16/25
---
---
11,105
142.6
D
R
5/16/25 - 8:37:10 pm
8
    
 
ST DENNIS THOMAS
DIR
JB
---
6,528
---
5/16/25
---
---
43,957
17.4
D
R
5/16/25 - 8:33:06 pm
9
    
 
SLESSOR MIKE
CEO,DIR
JS
$97,344
3,282
---
5/7/25
---
$29.66
514,895
-0.6
D
R
5/8/25 - 6:48:47 pm
10
    
 
SLESSOR MIKE
CEO,DIR
JB
---
5,908
---
5/7/25
---
---
518,177
1.2
D
R
5/8/25 - 6:48:47 pm
11
    
 
SHAHAR SHAI
CFO,VP
JS
$48,702
1,642
---
5/7/25
---
$29.66
44,004
-3.6
D
R
5/8/25 - 6:46:39 pm
12
    
 
SHAHAR SHAI
CFO,VP
JB
---
2,955
---
5/7/25
---
---
45,646
6.9
D
R
5/8/25 - 6:46:39 pm
13
    
 
SHAHAR SHAI
CFO,VP
JS
$18,482
620
---
5/5/25
---
$29.81
42,691
-1.4
D
R
5/7/25 - 4:15:19 pm
14
    
 
SHAHAR SHAI
CFO,VP
JB
---
1,116
---
5/5/25
---
---
43,311
2.6
D
R
5/7/25 - 4:15:19 pm
15
    
 
SLESSOR MIKE
CEO,DIR
JS
$60,365
2,025
---
5/5/25
---
$29.81
512,269
-0.4
D
R
5/7/25 - 4:09:19 pm
16
    
 
SLESSOR MIKE
CEO,DIR
JB
---
3,644
---
5/5/25
---
---
514,294
0.7
D
R
5/7/25 - 4:09:19 pm
17
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$126,880
4,000
---
5/1/25
---
$31.72
510,650
-0.8
D
10b
5/1/25 - 5:40:08 pm
18
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$112,977
4,000
---
4/1/25
---
$28.24
514,650
-0.8
D
10b
4/1/25 - 8:23:02 pm
19
1y
10
30%
17%
3
STEVEN WAISS KELLEY
DIR
S
$120,047
3,870
---
3/5/25
---
$31.02
32,551
-10.6
D
---
3/6/25 - 4:10:43 pm
20
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$132,200
4,000
---
3/3/25
---
$33.05
518,650
-0.8
D
10b
3/4/25 - 4:46:29 pm
21
    
 
SHAHAR SHAI
CFO,VP
JS
$62,756
1,751
---
2/7/25
---
$35.84
42,195
-4.0
D
R
2/10/25 - 5:07:37 pm
22
    
 
SHAHAR SHAI
CFO,VP
JB
---
2,955
---
2/7/25
---
---
43,946
7.2
D
R
2/10/25 - 5:07:37 pm
23
    
 
SLESSOR MIKE
CEO,DIR
JS
$117,627
3,282
---
2/7/25
---
$35.84
522,650
-0.6
D
R
2/10/25 - 4:56:46 pm
24
    
 
SLESSOR MIKE
CEO,DIR
JB
---
5,908
---
2/7/25
---
---
525,932
1.1
D
R
2/10/25 - 4:56:46 pm
25
    
 
SLESSOR MIKE
CEO,DIR
JS
$88,449
2,151
---
2/5/25
---
$41.12
520,024
-0.4
D
R
2/6/25 - 4:46:09 pm
26
    
 
SLESSOR MIKE
CEO,DIR
JB
---
3,644
---
2/5/25
---
---
522,175
0.7
D
R
2/6/25 - 4:46:09 pm
27
    
 
SHAHAR SHAI
CFO,VP
JS
$27,962
680
---
2/5/25
---
$41.12
40,991
-1.6
D
R
2/6/25 - 4:43:01 pm
28
    
 
SHAHAR SHAI
CFO,VP
JB
---
1,116
---
2/5/25
---
---
41,671
2.8
D
R
2/6/25 - 4:43:01 pm
29
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$151,983
3,900
---
2/3/25
---
$38.97
518,631
-0.7
D
10b
2/3/25 - 5:18:06 pm
30
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$3,953
100
---
2/3/25
---
$39.53
518,531
-0.0
D
10b
2/3/25 - 5:18:06 pm
31
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$177,772
4,000
---
1/2/25
$44.38
$45.01
522,531
-0.8
D
10b
1/2/25 - 5:54:53 pm
32
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$162,341
4,000
---
12/2/24
$40.57
$41.17
526,531
-0.8
D
10b
12/2/24 - 6:55:34 pm
33
    
 
SHAHAR SHAI
CFO,VP
JS
$69,536
1,640
---
11/7/24
---
$42.40
39,782
-4.0
D
R
11/8/24 - 6:12:00 pm
34
    
 
SHAHAR SHAI
CFO,VP
JB
---
2,955
---
11/7/24
---
---
41,422
7.7
D
R
11/8/24 - 6:12:00 pm
35
    
 
SLESSOR MIKE
CEO,DIR
JS
$138,902
3,276
---
11/7/24
---
$42.40
530,531
-0.6
D
R
11/8/24 - 6:05:40 pm
36
    
 
SLESSOR MIKE
CEO,DIR
JB
---
5,908
---
11/7/24
---
---
533,807
1.1
D
R
11/8/24 - 6:05:40 pm
37
    
 
SHAHAR SHAI
CFO,VP
JS
$24,283
619
---
11/5/24
---
$39.23
38,467
-1.6
D
R
11/6/24 - 4:27:15 pm
38
    
 
SHAHAR SHAI
CFO,VP
JB
---
1,116
---
11/5/24
---
---
39,086
2.9
D
R
11/6/24 - 4:27:15 pm
39
    
 
SLESSOR MIKE
CEO,DIR
JS
$79,284
2,021
---
11/5/24
---
$39.23
527,899
-0.4
D
R
11/6/24 - 4:21:03 pm
40
    
 
SLESSOR MIKE
CEO,DIR
JB
---
3,644
---
11/5/24
---
---
529,920
0.7
D
R
11/6/24 - 4:21:03 pm
41
1y
33
42%
12%
4
ST DENNIS THOMAS
DIR
S
$121,233
3,100
---
11/5/24
---
$39.11
37,429
-7.6
D
---
11/6/24 - 4:11:41 pm
42
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$155,249
4,000
---
11/1/24
---
$38.81
526,276
-0.8
D
10b
11/4/24 - 4:13:23 pm
43
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$181,129
4,000
---
10/1/24
$45.04
$46.00
530,276
-0.7
D
10b
10/2/24 - 4:27:35 pm
44
1y
31
32%
26%
1
SLESSOR MIKE
CEO,DIR
AS
$185,237
4,000
---
9/3/24
$45.94
$47.17
534,276
-0.7
D
10b
9/4/24 - 8:03:21 pm
45
    
 
SHAHAR SHAI
CFO,VP
JS
$70,700
1,640
---
8/7/24
---
$43.11
37,970
-4.1
D
R
8/8/24 - 8:17:38 pm
46
    
 
SHAHAR SHAI
CFO,VP
JB
---
2,955
---
8/7/24
---
---
39,610
8.1
D
R
8/8/24 - 8:17:38 pm
47
    
 
SLESSOR MIKE
CEO,DIR
JS
$141,228
3,276
---
8/7/24
---
$43.11
538,276
-0.6
D
R
8/8/24 - 8:09:34 pm
48
    
 
SLESSOR MIKE
CEO,DIR
JB
---
5,908
---
8/7/24
---
---
541,552
1.1
D
R
8/8/24 - 8:09:34 pm
49
9m
1
100%
-31%
8
TITINGER JORGE
DIR
S
$283,951
6,770
---
8/6/24
---
$41.94
12,970
-34.3
D
---
8/7/24 - 5:56:04 pm
50
    
 
SHAHAR SHAI
CFO,VP
JS
$243,180
5,511
8/1/24
8/2/24
---
$40.90
34,477
-13.8
D
R
8/5/24 - 8:28:07 pm
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