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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
SANDISK CORP: SNDK
Price: 11/21/25 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
$200.27 $284.76 $27.89 $29,350 147 9,298 0.0% 6.2% 87.67% 5.36%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Industrial And Commercial Machinery And Computer Equipment Computer Storage Devices
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#
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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
    
 
SHEK BERNARD
LO,SEC
JS
$46,526
211
---
11/25/25
---
$220.50
34,003
-0.6
D
---
11/26/25 - 5:40:39 pm
2
    
 
GOECKELER DAVID
CEO,DIR
JS
$345,965
1,569
---
11/25/25
---
$220.50
517,704
-0.3
D
---
11/26/25 - 5:40:29 pm
3
    
 
ILKBAHAR ALPER
VP,CTO
JS
$143,987
653
---
11/25/25
---
$220.50
58,973
-1.1
D
---
11/26/25 - 5:40:19 pm
4
    
 
VISOSO LUIS FELIPE
VP,CFO
JS
$318,029
1,588
---
11/21/25
---
$200.27
168,240
-0.9
D
---
11/24/25 - 6:25:11 pm
5
    
 
SHEK BERNARD
LO,SEC
JS
$42,789
216
11/20/25
11/21/25
$195.96
$200.27
34,214
-0.6
D
---
11/24/25 - 6:25:03 pm
6
    
 
GOECKELER DAVID
CEO,DIR
JS
$461,231
2,331
11/20/25
11/21/25
$195.96
$200.27
519,273
-0.4
D
---
11/24/25 - 6:24:47 pm
7
    
 
ILKBAHAR ALPER
VP,CTO
JS
$95,632
481
11/20/25
11/21/25
$195.96
$200.27
59,626
-0.8
D
---
11/24/25 - 6:24:38 pm
8
    
 
POKORNY MICHAEL
VP,CAO
JS
$160,883
821
---
11/20/25
---
$195.96
26,250
-3.0
D
---
11/24/25 - 6:24:55 pm
9
    
 
SUZUKI MIYUKI
DIR
JB
---
979
---
11/18/25
---
---
13,407
7.9
D
R
11/19/25 - 7:39:59 pm
10
    
 
SHOOK ELLYN
DIR
JB
---
979
---
11/18/25
---
---
4,750
26.0
D
R
11/19/25 - 7:39:47 pm
11
    
 
SAYINER NECIP
DIR
JB
---
979
---
11/18/25
---
---
4,750
26.0
D
R
11/19/25 - 7:39:34 pm
12
    
 
CAULFIELD THOMAS
DIR
JB
---
979
---
11/18/25
---
---
16,812
6.2
D
R
11/19/25 - 7:39:22 pm
13
    
 
CASSIDY RICHARD B II
DIR
JB
---
1,143
---
11/18/25
---
---
4,914
30.3
D
R
11/19/25 - 7:39:10 pm
14
    
 
KUMAR DEVINDER
DIR
JB
---
979
---
11/18/25
---
---
4,769
25.8
D
R
11/19/25 - 7:36:52 pm
15
    
 
SUZUKI MIYUKI
DIR
JS
$588,392
2,213
---
11/17/25
---
$265.88
12,428
-15.1
D
R
11/19/25 - 7:39:59 pm
16
    
 
SHEK BERNARD
LO,SEC
JS
$53,590
362
---
10/20/25
---
$148.04
34,430
-1.0
D
---
10/21/25 - 8:22:35 pm
17
    
 
SHEK BERNARD
LO,SEC
JS
$11,959
117
---
9/20/25
---
$102.21
34,792
-0.3
D
---
9/22/25 - 7:22:52 pm
18
    
 
SHEK BERNARD
LO,SEC
JB
---
18,313
---
9/3/25
---
---
34,909
110.3
D
R
9/4/25 - 9:51:23 pm
19
    
 
POKORNY MICHAEL
VP,CAO
JB
---
13,028
---
9/3/25
---
---
27,071
92.8
D
R
9/4/25 - 9:51:13 pm
20
    
 
VISOSO LUIS FELIPE
VP,CFO
JB
---
47,090
---
9/3/25
---
---
169,828
38.4
D
R
9/4/25 - 9:51:00 pm
21
    
 
GOECKELER DAVID
CB,CEO,DIR
JB
---
85,025
---
9/3/25
---
---
521,604
19.5
D
R
9/4/25 - 9:50:50 pm
22
    
 
ILKBAHAR ALPER
VP,CTO
JB
---
26,161
---
9/3/25
---
---
60,107
77.1
D
R
9/4/25 - 9:50:39 pm
23
    
 
SHEK BERNARD
LO,SEC
JS
$13,649
289
8/25/25
8/27/25
$46.78
$48.44
16,596
-1.7
D
---
8/27/25 - 6:51:39 pm
24
    
 
GOECKELER DAVID
CB,CEO,DIR
JS
$120,869
2,549
8/25/25
8/27/25
$46.78
$48.44
436,579
-0.6
D
---
8/27/25 - 6:51:26 pm
25
    
 
ILKBAHAR ALPER
VP,CTO
JS
$30,547
653
---
8/25/25
---
$46.78
33,946
-1.9
D
---
8/27/25 - 6:51:13 pm
26
    
 
VISOSO LUIS FELIPE
VP,CFO
JS
$1,428,099
32,007
8/20/25
8/21/25
$44.40
$45.50
122,738
-20.7
D
---
8/22/25 - 5:06:03 pm
27
    
 
SHEK BERNARD
LO,SEC
JS
$24,358
538
8/20/25
8/21/25
$44.40
$45.50
16,885
-3.1
D
---
8/22/25 - 5:05:50 pm
28
    
 
GOECKELER DAVID
CB,CEO,DIR
JS
$1,741,648
39,124
8/20/25
8/21/25
$44.40
$45.50
439,128
-8.2
D
---
8/22/25 - 5:05:36 pm
29
    
 
ILKBAHAR ALPER
VP,CTO
JS
$106,767
2,373
8/20/25
8/21/25
$44.40
$45.50
34,599
-6.4
D
---
8/22/25 - 5:05:21 pm
30
    
 
SHEK BERNARD
LO,SEC
JS
$1,224
29
---
7/20/25
---
$42.19
17,423
-0.2
D
---
7/22/25 - 7:06:27 pm
31
    
 
SHEK BERNARD
LO,SEC
JS
$8,571
184
---
6/20/25
---
$46.58
17,452
-1.0
D
---
6/24/25 - 4:59:57 pm
32
    
 
WESTERN DIGITAL CORP
BO
JS
---
21,314,768
---
6/9/25
---
---
7,513,019
-73.9
D
A
6/9/25 - 6:51:08 pm
33
    
 
WESTERN DIGITAL CORP
BO
JB
---
21,314,768
---
6/9/25
---
---
7,513,019
---
D
---
6/9/25 - 5:04:32 pm
34
    
 
SHEK BERNARD
LO,SEC
JS
$7,542
201
5/25/25
5/27/25
$37.28
$38.18
17,636
-1.1
D
---
5/28/25 - 5:15:44 pm
35
    
 
GOECKELER DAVID
CB,CEO,DIR
JS
$95,871
2,548
5/25/25
5/27/25
$37.28
$38.18
478,252
-0.5
D
---
5/28/25 - 5:15:33 pm
36
    
 
ILKBAHAR ALPER
VP,CTO
JS
$24,344
653
---
5/25/25
---
$37.28
36,972
-1.7
D
---
5/28/25 - 5:15:21 pm
37
    
 
SHEK BERNARD
LO,SEC
JS
$3,054
76
---
5/20/25
---
$40.18
17,837
-0.4
D
---
5/22/25 - 7:57:55 pm
38
    
 
GOECKELER DAVID
CB,CEO,DIR
JS
$52,194
1,299
---
5/20/25
---
$40.18
480,800
-0.3
D
---
5/22/25 - 7:57:41 pm
39
    
 
ILKBAHAR ALPER
VP,CTO
JS
$6,509
162
---
5/20/25
---
$40.18
37,625
-0.4
D
---
5/22/25 - 7:57:24 pm
40
    
 
POKORNY MICHAEL
VP,CAO
JB
---
7,750
---
5/9/25
---
---
14,043
123.2
D
R
5/13/25 - 9:13:35 pm
41
    
 
SHEK BERNARD
LO,SEC
JS
$907
29
---
4/20/25
---
$31.29
17,913
-0.2
D
---
4/21/25 - 7:49:42 pm
42
    
 
ILKBAHAR ALPER
VP,CTO
JS
$46,966
1,501
---
4/20/25
---
$31.29
37,787
-3.8
D
---
4/21/25 - 7:49:30 pm
43
    
 
SHEK BERNARD
LO,SEC
JS
$4,553
81
---
3/20/25
---
$56.21
17,942
-0.4
D
---
3/24/25 - 6:21:52 pm
44
    
 
ILKBAHAR ALPER
VP,CTO
JS
$87,575
1,558
---
3/20/25
---
$56.21
39,288
-3.8
D
---
3/24/25 - 6:21:42 pm
45
    
 
SHEK BERNARD
LO,SEC
3
---
---
---
3/13/25
---
---
18,023
---
D
R
3/14/25 - 7:05:52 pm
46
    
 
ILKBAHAR ALPER
VP,CTO
JS
$28,700
569
---
3/12/25
---
$50.44
40,846
-1.4
D
---
3/14/25 - 7:06:19 pm
47
    
 
GOECKELER DAVID
CB,CEO,DIR
JS
$194,043
3,847
---
3/12/25
---
$50.44
482,099
-0.8
D
---
3/14/25 - 7:06:07 pm
48
    
 
POKORNY MICHAEL
VP,CAO
3
---
---
---
3/6/25
---
---
6,293
---
D
R
3/14/25 - 6:52:45 pm
49
    
 
ILKBAHAR ALPER
VP,CTO
3
---
---
---
3/6/25
---
---
41,415
---
D
R
3/14/25 - 6:52:33 pm
50
    
 
MASSENGILL MATTHEW E
DIR
JB
---
4,840
---
3/3/25
---
---
4,840
New
D
R
3/4/25 - 7:34:06 pm
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