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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
WESTERN DIGITAL CORP: WDC
Price: 7/11/25 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
$66.14 $66.83 $28.83 $23,075 349 6,637 0.6% 11.2% 104.36% 0.75%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Industrial And Commercial Machinery And Computer Equipment Computer Storage 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
    
 
GUBBI VIDYADHARA K
COO
JS
$487,245
8,218
---
6/20/25
---
$59.29
164,223
-4.8
D
R
6/24/25 - 5:38:50 pm
2
    
 
GUBBI VIDYADHARA K
COO
JB
---
28
---
6/20/25
---
---
172,441
0.0
D
R
6/24/25 - 5:38:50 pm
3
    
 
DAVIS BRIAN SCOTT
SO
JS
$442,659
7,466
---
6/20/25
---
$59.29
131,319
-5.4
D
R
6/24/25 - 5:38:43 pm
4
    
 
DAVIS BRIAN SCOTT
SO
JB
---
28
---
6/20/25
---
---
138,785
0.0
D
R
6/24/25 - 5:38:43 pm
5
    
 
TREGILLIS CYNTHIA L
LO,SEC
JS
$12,095
204
---
6/20/25
---
$59.29
157,684
-0.1
D
R
6/23/25 - 6:12:37 pm
6
    
 
TREGILLIS CYNTHIA L
LO,SEC
JB
---
---
---
6/20/25
---
---
157,888
---
D
R
6/23/25 - 6:12:37 pm
7
    
 
GUBBI VIDYADHARA K
COO
JS
$73,223
1,235
---
6/20/25
---
$59.29
172,413
-0.7
D
R
6/23/25 - 6:11:32 pm
8
    
 
GUBBI VIDYADHARA K
COO
JB
---
6
---
6/20/25
---
---
173,648
0.0
D
R
6/23/25 - 6:11:32 pm
9
    
 
DAVIS BRIAN SCOTT
SO
JS
$39,665
669
---
6/20/25
---
$59.29
138,757
-0.5
D
R
6/23/25 - 6:11:17 pm
10
    
 
DAVIS BRIAN SCOTT
SO
JB
---
3
---
6/20/25
---
---
139,426
0.0
D
R
6/23/25 - 6:11:17 pm
11
1y
8
75%
-22%
2
ZAMISKA GENE M
VP,CAO
AS
$14,212
245
---
6/17/25
---
$58.01
39,604
-0.6
D
10b
6/17/25 - 7:47:04 pm
12
    
 
ZAMISKA GENE M
VP,CAO
JS
$13,368
240
---
6/14/25
---
$55.70
39,849
-0.6
D
10b
6/17/25 - 7:47:04 pm
13
1y
8
75%
-22%
2
ZAMISKA GENE M
VP,CAO
S
$94,888
1,729
---
6/5/25
---
$54.88
40,089
-4.1
D
10b
6/6/25 - 5:24:36 pm
14
    
 
ZAMISKA GENE M
VP,CAO
JS
$57,871
1,142
5/25/25
5/27/25
$50.18
$51.82
41,818
-2.7
D
---
5/28/25 - 4:50:51 pm
15
    
 
TREGILLIS CYNTHIA L
LO,SEC
JS
$52,374
1,035
5/25/25
5/27/25
$50.18
$51.82
157,661
-0.7
D
---
5/28/25 - 4:50:45 pm
16
    
 
GUBBI VIDYADHARA K
COO
JS
$54,610
1,079
5/25/25
5/27/25
$50.18
$51.82
173,642
-0.6
D
---
5/28/25 - 4:50:29 pm
17
    
 
DAVIS BRIAN SCOTT
SO
JS
$49,780
982
5/25/25
5/27/25
$50.18
$51.82
139,423
-0.7
D
---
5/28/25 - 4:50:16 pm
18
    
 
TAN IRVING
CEO,DIR
JS
$99,607
1,985
5/23/25
5/25/25
---
$50.18
603,457
-0.3
D
---
5/28/25 - 4:50:38 pm
19
    
 
ZAMISKA GENE M
VP,CAO
JS
$18,227
360
---
5/20/25
---
$50.63
42,960
-0.8
D
---
5/22/25 - 4:58:01 pm
20
    
 
TREGILLIS CYNTHIA L
LO,SEC
JS
$19,189
379
---
5/20/25
---
$50.63
158,696
-0.2
D
---
5/22/25 - 4:57:54 pm
21
    
 
TAN IRVING
CEO,DIR
JS
$1,975
39
---
5/20/25
---
$50.63
605,442
-0.0
D
---
5/22/25 - 4:57:48 pm
22
    
 
GUBBI VIDYADHARA K
COO
JS
$20,860
412
---
5/20/25
---
$50.63
174,721
-0.2
D
---
5/22/25 - 4:57:40 pm
23
    
 
DAVIS BRIAN SCOTT
SO
JS
$25,214
498
---
5/20/25
---
$50.63
140,405
-0.4
D
---
5/22/25 - 4:57:29 pm
24
1m
1
0%
13%
2
TAN IRVING
CEO,DIR
AS
$548,354
11,379
---
5/13/25
---
$48.19
605,481
-1.8
D
10b
5/14/25 - 5:13:54 pm
25
    
 
SENNESAEL KRIS
VP,CFO
JB
---
171,784
---
5/12/25
---
---
171,784
New
D
R
5/14/25 - 5:13:44 pm
26
    
 
SENNESAEL KRIS
VP,CFO
3
---
---
---
5/12/25
---
---
---
---
---
---
5/14/25 - 5:13:17 pm
27
    
 
TREGILLIS CYNTHIA L
LO,SEC
JS
$42,790
1,172
---
4/20/25
---
$36.51
159,075
-0.7
D
---
4/22/25 - 6:07:07 pm
28
    
 
GUBBI VIDYADHARA K
COO
JS
$77,730
2,129
---
4/20/25
---
$36.51
175,133
-1.2
D
---
4/22/25 - 6:06:55 pm
29
    
 
DAVIS BRIAN SCOTT
SO
JS
$29,777
669
---
3/20/25
---
$44.51
140,903
-0.5
D
---
3/21/25 - 5:59:41 pm
30
    
 
TAN IRVING
CEO,DIR
JS
$20,341
457
---
3/20/25
---
$44.51
616,860
-0.1
D
---
3/21/25 - 5:59:30 pm
31
    
 
SHIHAB AHMED MOHAMMED
O
JB
---
156,424
---
3/17/25
---
---
156,424
New
D
R
3/18/25 - 4:54:55 pm
32
    
 
SHIHAB AHMED MOHAMMED
O
3
---
---
---
3/17/25
---
---
---
---
---
---
3/18/25 - 4:54:30 pm
33
1y
8
75%
-22%
2
ZAMISKA GENE M
VP,CAO
AS
$19,777
456
---
3/12/25
---
$43.37
43,320
-1.0
D
10b
3/12/25 - 9:32:07 pm
34
1y
8
75%
-22%
2
ZAMISKA GENE M
VP,CAO
AS
$68,616
1,659
---
3/7/25
---
$41.36
43,776
-3.7
D
10b
3/10/25 - 6:12:03 pm
35
    
 
ZAMISKA GENE M
VP,CAO
JS
$46,258
1,116
---
3/6/25
---
$41.45
45,435
-2.4
D
10b
3/10/25 - 6:12:03 pm
36
    
 
TREGILLIS CYNTHIA L
LO,SEC
JS
$36,269
875
---
3/6/25
---
$41.45
160,247
-0.5
D
---
3/10/25 - 6:11:56 pm
37
    
 
GUBBI VIDYADHARA K
COO
JS
$61,843
1,492
---
3/6/25
---
$41.45
177,262
-0.8
D
---
3/10/25 - 6:11:47 pm
38
    
 
DAVIS BRIAN SCOTT
SO
JS
$63,377
1,529
---
3/6/25
---
$41.45
141,572
-1.1
D
---
3/10/25 - 6:11:40 pm
39
    
 
BENNETT DON R
CFO
JS
$68,144
1,644
---
3/6/25
---
$41.45
104,554
-1.5
D
---
3/10/25 - 6:11:26 pm
40
    
 
TREGILLIS CYNTHIA L
LO,SEC
JB
---
21,272
---
3/3/25
---
---
161,122
15.2
D
R
3/5/25 - 5:11:00 pm
41
    
 
TAN IRVING
CEO,DIR
JB
---
55,307
---
3/3/25
---
---
617,317
9.8
D
R
3/5/25 - 5:10:55 pm
42
    
 
GUBBI VIDYADHARA K
COO
JB
---
42,544
---
3/3/25
---
---
178,754
31.2
D
R
3/5/25 - 5:10:46 pm
43
    
 
DAVIS BRIAN SCOTT
SO
JB
---
21,272
---
3/3/25
---
---
143,101
17.5
D
R
3/5/25 - 5:10:30 pm
44
    
 
OULMAN ROXANNE
DIR
JB
---
4,068
---
2/28/25
---
---
4,068
New
D
R
3/3/25 - 8:55:08 pm
45
    
 
KIDDOO BRUCE E
DIR
JB
---
4,068
---
2/28/25
---
---
4,068
New
D
R
3/3/25 - 8:54:54 pm
46
    
 
ZAMISKA GENE M
VP,CAO
JB
---
5,327
---
2/28/25
---
---
46,551
12.9
D
R
3/3/25 - 8:54:14 pm
47
    
 
JABRE WISSAM G
VP,CFO
JB
---
74,039
---
2/28/25
---
---
335,672
28.3
D
R
3/3/25 - 8:54:06 pm
48
    
 
BENNETT DON R
CFO
3
---
---
---
2/28/25
---
---
106,198
---
D
R
3/3/25 - 8:52:07 pm
49
    
 
OULMAN ROXANNE
DIR
3
---
---
---
2/21/25
---
---
---
---
---
---
3/3/25 - 8:52:32 pm
50
    
 
KIDDOO BRUCE E
DIR
3
---
---
---
2/21/25
---
---
---
---
---
---
3/3/25 - 8:52:15 pm
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