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Detailed Insider History for:
WESTERN DIGITAL CORP: WDC
Price: 9/18/26 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
$441.36 $799.87 $105.42 $159,128 361 8,006 0.1% 6.2% 91.95% 0.51%
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
    
 
TAN IRVING
CEO,DIR
JS
$481,539
1,091
---
9/20/26
---
$441.36
265,613
-0.4
D
R
9/21/26 - 6:36:42 pm
2
    
 
TAN IRVING
CEO,DIR
JB
---
57
---
9/20/26
---
---
266,704
0.0
D
R
9/21/26 - 6:36:42 pm
3
    
 
DAVIS BRIAN SCOTT
SO
JS
$425,045
963
---
9/20/26
---
$441.36
99,491
-1.0
D
R
9/21/26 - 6:32:41 pm
4
    
 
DAVIS BRIAN SCOTT
SO
JB
---
8
---
9/20/26
---
---
100,454
0.0
D
R
9/21/26 - 6:32:41 pm
5
    
 
SHIHAB AHMED MOHAMMED
O
JS
$2,182,931
5,150
---
9/17/26
---
$423.87
158,608
-3.1
D
R
9/21/26 - 6:36:11 pm
6
    
 
SHIHAB AHMED MOHAMMED
O
JB
---
56
---
9/17/26
---
---
163,758
0.0
D
R
9/21/26 - 6:36:11 pm
7
    
 
TREGILLIS CYNTHIA L
LO,SEC
AS
$194,918
432
---
9/4/26
---
$451.20
111,030
-0.4
D
R,10b
9/8/26 - 8:13:26 pm
8
    
 
GUBBI VIDYADHARA K
COO
S
$825,472
1,795
---
9/4/26
---
$459.87
80,571
-2.2
D
R
9/8/26 - 8:13:17 pm
9
    
 
TREGILLIS CYNTHIA L
LO,SEC
JS
$309,099
700
---
9/3/26
---
$441.57
111,462
-0.6
D
R,10b
9/8/26 - 8:13:26 pm
10
    
 
TREGILLIS CYNTHIA L
LO,SEC
JB
---
7
---
9/3/26
---
---
112,162
0.0
D
R,10b
9/8/26 - 8:13:26 pm
11
    
 
GUBBI VIDYADHARA K
COO
JS
$778,930
1,764
---
9/3/26
---
$441.57
82,366
-2.1
D
R
9/8/26 - 8:13:17 pm
12
    
 
GUBBI VIDYADHARA K
COO
JB
---
14
---
9/3/26
---
---
84,130
0.0
D
R
9/8/26 - 8:13:17 pm
13
    
 
DAVIS BRIAN SCOTT
SO
JS
$389,465
882
---
9/3/26
---
$441.57
100,446
-0.9
D
R
9/8/26 - 8:12:41 pm
14
    
 
DAVIS BRIAN SCOTT
SO
JB
---
7
---
9/3/26
---
---
101,328
0.0
D
R
9/8/26 - 8:12:41 pm
15
    
 
TAN IRVING
CEO,DIR
JS
---
112,500
---
9/1/26
---
---
---
All
I
---
9/2/26 - 6:38:14 pm
16
    
 
TAN IRVING
CEO,DIR
JB
---
225,000
8/31/26
9/1/26
---
---
112,500
---
I
---
9/2/26 - 6:38:14 pm
17
1w
1
0%
7%
3
STREETER STEPHANIE A
DIR
S
$2,519,280
5,600
8/31/26
9/1/26
$447.06
$455.00
34,807
-13.9
I
---
9/2/26 - 6:03:43 pm
18
    
 
TAN IRVING
CEO,DIR
JS
---
112,500
---
8/31/26
---
---
266,647
-29.7
D
---
9/2/26 - 6:38:14 pm
19
    
 
TREGILLIS CYNTHIA L
LO,SEC
AS
$696,280
1,483
8/26/26
8/27/26
$450.78
$478.36
112,155
-1.3
D
R,10b
8/27/26 - 8:05:46 pm
20
    
 
TREGILLIS CYNTHIA L
LO,SEC
JS
$1,112,272
2,402
8/25/26
8/26/26
$450.75
$468.88
111,382
-2.1
D
R,10b
8/27/26 - 8:05:46 pm
21
    
 
TREGILLIS CYNTHIA L
LO,SEC
JB
---
3,894
8/25/26
8/26/26
---
---
115,260
3.5
D
R,10b
8/27/26 - 8:05:46 pm
22
    
 
TAN IRVING
CEO,DIR
JS
$1,768,425
3,790
8/25/26
8/26/26
$450.75
$468.88
365,871
-1.0
D
R
8/27/26 - 8:05:38 pm
23
    
 
TAN IRVING
CEO,DIR
JB
---
16,622
8/25/26
8/26/26
---
---
382,461
4.5
D
R
8/27/26 - 8:05:38 pm
24
    
 
SHIHAB AHMED MOHAMMED
O
JS
$1,285,200
2,741
---
8/26/26
---
$468.88
163,702
-1.6
D
R
8/27/26 - 8:05:30 pm
25
    
 
SHIHAB AHMED MOHAMMED
O
JB
---
6,737
8/25/26
8/26/26
---
---
166,443
4.2
D
R
8/27/26 - 8:05:30 pm
26
    
 
SENNESAEL KRIS
CFO
JS
$2,024,155
4,317
---
8/26/26
---
$468.88
173,709
-2.4
D
R
8/27/26 - 8:05:19 pm
27
    
 
SENNESAEL KRIS
CFO
JB
---
8,293
8/25/26
8/26/26
---
---
178,026
4.9
D
R
8/27/26 - 8:05:19 pm
28
    
 
GUBBI VIDYADHARA K
COO
JS
$1,479,225
3,199
8/25/26
8/26/26
$450.75
$468.88
80,992
-3.8
D
R
8/27/26 - 8:05:05 pm
29
    
 
GUBBI VIDYADHARA K
COO
JB
---
5,189
8/25/26
8/26/26
---
---
86,172
6.4
D
R
8/27/26 - 8:05:05 pm
30
    
 
DAVIS BRIAN SCOTT
SO
JS
$1,208,517
2,615
8/25/26
8/26/26
$450.75
$468.88
99,339
-2.6
D
R
8/27/26 - 8:04:31 pm
31
    
 
DAVIS BRIAN SCOTT
SO
JB
---
3,633
8/25/26
8/26/26
---
---
102,965
3.7
D
R
8/27/26 - 8:04:31 pm
32
    
 
FELLER BRAD
VP,CAO
JB
---
2,068
---
8/25/26
---
---
12,043
20.7
D
R
8/27/26 - 8:04:47 pm
33
    
 
TREGILLIS CYNTHIA L
LO,SEC
AS
$305,180
684
---
8/24/26
---
$446.17
112,146
-0.6
D
R,10b
8/24/26 - 7:00:02 pm
34
    
 
TREGILLIS CYNTHIA L
LO,SEC
JS
$687,289
1,488
8/20/26
8/21/26
---
$459.44
112,830
-1.3
D
R,10b
8/24/26 - 7:00:02 pm
35
    
 
TREGILLIS CYNTHIA L
LO,SEC
AS
$112,158
235
---
8/21/26
---
$477.27
113,928
-0.2
D
R,10b
8/24/26 - 7:00:02 pm
36
    
 
TREGILLIS CYNTHIA L
LO,SEC
JB
---
14
8/20/26
8/21/26
---
---
114,542
0.0
D
R,10b
8/24/26 - 7:00:02 pm
37
    
 
TAN IRVING
CEO,DIR
JS
$317,938
689
8/20/26
8/21/26
---
$459.44
575,315
-0.1
D
R
8/24/26 - 6:59:49 pm
38
    
 
TAN IRVING
CEO,DIR
JB
---
38
8/20/26
8/21/26
---
---
575,979
0.0
D
R
8/24/26 - 6:59:49 pm
39
    
 
GUBBI VIDYADHARA K
COO
JS
$596,529
1,286
8/20/26
8/21/26
---
$459.44
82,126
-1.5
D
R
8/24/26 - 6:59:37 pm
40
    
 
GUBBI VIDYADHARA K
COO
JB
---
9
8/20/26
8/21/26
---
---
83,407
0.0
D
R
8/24/26 - 6:59:37 pm
41
    
 
DAVIS BRIAN SCOTT
SO
JS
$608,288
1,309
8/20/26
8/21/26
---
$459.44
100,303
-1.3
D
R
8/24/26 - 6:59:25 pm
42
    
 
DAVIS BRIAN SCOTT
SO
JB
---
9
8/20/26
8/21/26
---
---
101,608
0.0
D
R
8/24/26 - 6:59:25 pm
43
1y
2
0%
705%
2
TAN IRVING
CEO,DIR
AS
$8,899,329
20,000
---
8/11/26
$441.48
$447.18
575,966
-3.4
D
10b
8/12/26 - 9:24:09 pm
44
9m
2
0%
182%
3
COLE MARTIN I
DIR
AS
$88,852
192
---
7/28/26
$462.30
$465.12
21,433
-0.9
D
10b
7/29/26 - 7:32:27 pm
45
9m
2
0%
182%
3
COLE MARTIN I
DIR
AS
$1,708,505
3,808
---
7/28/26
$424.05
$461.23
21,625
-15.0
D
10b
7/29/26 - 7:31:33 pm
46
    
 
TREGILLIS CYNTHIA L
LO,SEC
AS
$427,941
808
---
7/21/26
---
$529.63
114,539
-0.7
D
R,10b
7/21/26 - 8:56:07 pm
47
    
 
TREGILLIS CYNTHIA L
LO,SEC
JS
$638,033
1,309
---
7/20/26
---
$487.42
115,347
-1.1
D
R,10b
7/21/26 - 8:56:07 pm
48
    
 
TREGILLIS CYNTHIA L
LO,SEC
JB
---
13
---
7/20/26
---
---
116,656
0.0
D
R,10b
7/21/26 - 8:56:07 pm
49
    
 
TAN IRVING
CEO,DIR
JS
$813,391
1,090
---
6/20/26
---
$746.23
595,966
-0.2
D
R
6/22/26 - 9:16:48 pm
50
    
 
TAN IRVING
CEO,DIR
JB
---
52
---
6/20/26
---
---
597,056
0.0
D
R
6/22/26 - 9:16:48 pm
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