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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:
SEAGATE TECHNOLOGY HOLDINGS PLC: STX
Price: 10/31/25 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
$255.88 $280.35 $63.19 $54,645 213 4,129 1.2% 8.2% 94.87% 0.34%
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
    
 
LEE JAMES CI
VP,LO
JS
$116,127
540
---
10/22/25
---
$215.05
954
-36.1
D
R
10/24/25 - 4:15:21 pm
2
    
 
LEE JAMES CI
VP,LO
JB
---
1,237
---
10/22/25
---
---
1,494
481.3
D
R
10/24/25 - 4:15:21 pm
3
    
 
ARUMUGAVELU SHANKAR
DIR
JS
$145,834
647
---
10/19/25
---
$225.40
12,626
-4.9
D
R
10/21/25 - 4:04:54 pm
4
    
 
ARUMUGAVELU SHANKAR
DIR
JB
---
2,693
---
10/19/25
---
---
13,273
25.5
D
R
10/21/25 - 4:04:54 pm
5
    
 
BRUNER JUDY
DIR
JS
$145,834
647
---
10/19/25
---
$225.40
14,314
-4.3
I
R
10/21/25 - 4:04:48 pm
6
    
 
BRUNER JUDY
DIR
JB
---
2,693
---
10/19/25
---
---
14,961
22.0
I
R
10/21/25 - 4:04:48 pm
7
    
 
CANNON MICHAEL R
DIR
JS
$185,504
823
---
10/19/25
---
$225.40
13,439
-5.8
D
R
10/21/25 - 4:04:42 pm
8
    
 
CANNON MICHAEL R
DIR
JB
---
3,427
---
10/19/25
---
---
14,262
31.6
D
R
10/21/25 - 4:04:42 pm
9
    
 
BHATT PRAT
DIR
JS
$145,834
647
---
10/19/25
---
$225.40
13,869
-4.5
D
R
10/21/25 - 4:04:36 pm
10
    
 
BHATT PRAT
DIR
JB
---
2,693
---
10/19/25
---
---
14,516
22.8
D
R
10/21/25 - 4:04:36 pm
11
    
 
HAGGART DYLAN G
DIR
JS
$145,834
647
---
10/19/25
---
$225.40
14,515
-4.3
D
R
10/21/25 - 4:04:30 pm
12
    
 
HAGGART DYLAN G
DIR
JB
---
2,693
---
10/19/25
---
---
15,162
21.6
D
R
10/21/25 - 4:04:30 pm
13
    
 
TILENIUS STEPHANIE
DIR
JS
$145,834
647
---
10/19/25
---
$225.40
14,290
-4.3
D
R
10/21/25 - 4:04:24 pm
14
    
 
TILENIUS STEPHANIE
DIR
JB
---
2,693
---
10/19/25
---
---
14,937
22.0
D
R
10/21/25 - 4:04:24 pm
15
    
 
CLEMMER RICHARD L
DIR
JS
$145,834
647
---
10/19/25
---
$225.40
29,704
-2.1
D
R
10/21/25 - 4:04:18 pm
16
    
 
CLEMMER RICHARD L
DIR
JB
---
2,693
---
10/19/25
---
---
30,351
9.7
D
R
10/21/25 - 4:04:18 pm
17
    
 
CONYERS YOLANDA LEE
DIR
JS
$145,834
647
---
10/19/25
---
$225.40
6,351
-9.2
D
R
10/21/25 - 4:04:11 pm
18
    
 
CONYERS YOLANDA LEE
DIR
JB
---
2,693
---
10/19/25
---
---
6,998
62.6
D
R
10/21/25 - 4:04:11 pm
19
    
 
GELDMACHER JAY L
DIR
JS
$145,834
647
---
10/19/25
---
$225.40
2,398
-21.2
D
R
10/21/25 - 4:04:05 pm
20
    
 
GELDMACHER JAY L
DIR
JB
---
2,693
---
10/19/25
---
---
3,045
765.1
D
R
10/21/25 - 4:04:05 pm
21
    
 
ADAMS MARK
DIR
JS
$145,834
647
---
10/19/25
---
$225.40
2,046
-24.0
D
R
10/21/25 - 4:03:56 pm
22
    
 
ADAMS MARK
DIR
JB
---
2,693
---
10/19/25
---
---
2,693
New
D
R
10/21/25 - 4:03:56 pm
23
1y
18
17%
37%
1
TEH BAN SENG
VP
OS
$318,040
1,410
---
10/13/25
---
$225.56
18,041
-7.2
D
10b
10/15/25 - 4:19:43 pm
24
    
 
TEH BAN SENG
VP
OE
$93,082
1,410
---
10/13/25
---
$64.31
19,451
7.8
D
10b
10/15/25 - 4:19:43 pm
25
1y
35
29%
34%
1
MOSLEY WILLIAM D
CEO,DIR
AS
$4,997,981
20,000
---
10/1/25
$234.09
$257.83
485,668
-4.0
D
10b
10/3/25 - 4:08:58 pm
26
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
AS
$79,645
377
---
9/16/25
---
$211.26
13,238
-2.8
D
10b
9/17/25 - 5:33:03 pm
27
    
 
MOSLEY WILLIAM D
CEO,DIR
JS
$6,784,394
34,609
9/11/25
9/14/25
---
$195.99
473,429
-6.8
D
R
9/15/25 - 6:11:06 pm
28
    
 
MOSLEY WILLIAM D
CEO,DIR
JB
---
68,489
9/11/25
9/14/25
---
---
538,599
14.6
D
R
9/15/25 - 6:11:06 pm
29
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
JS
$704,545
3,593
9/11/25
9/14/25
---
$195.99
13,615
-20.9
D
R,10b
9/15/25 - 6:10:58 pm
30
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
JB
---
7,876
9/11/25
9/14/25
---
---
25,620
44.4
D
R,10b
9/15/25 - 6:10:58 pm
31
    
 
ROMANO GIANLUCA
VP,CFO
JS
$2,366,106
12,069
9/11/25
9/14/25
---
$195.99
46,809
-20.5
D
R
9/15/25 - 6:10:51 pm
32
    
 
ROMANO GIANLUCA
VP,CFO
JB
---
23,883
9/11/25
9/14/25
---
---
68,997
52.9
D
R
9/15/25 - 6:10:51 pm
33
    
 
CHONG KIAN FATT
VP,OO
JB
---
2,694
9/11/25
9/14/25
---
---
7,078
61.5
D
R
9/15/25 - 6:10:42 pm
34
    
 
TEH BAN SENG
VP
JB
---
14,858
9/11/25
9/14/25
---
---
18,041
466.8
D
R,10b
9/15/25 - 6:10:36 pm
35
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
AS
$3,004,950
15,347
---
9/12/25
$193.92
$197.85
9,843
-60.9
D
R,10b
9/15/25 - 6:10:58 pm
36
1y
18
17%
37%
1
TEH BAN SENG
VP
OS
$721,396
3,732
---
9/11/25
---
$193.30
4,172
-47.2
D
R,10b
9/15/25 - 6:10:36 pm
37
    
 
TEH BAN SENG
VP
OE
$120,552
1,725
---
9/11/25
---
$64.31
7,904
27.9
D
R,10b
9/15/25 - 6:10:36 pm
38
1y
18
17%
37%
1
TEH BAN SENG
VP
S
$1,298,765
6,781
---
9/10/25
---
$191.53
5,190
-56.6
D
---
9/11/25 - 4:05:08 pm
39
    
 
ROMANO GIANLUCA
VP,CFO
JS
$1,266,027
6,608
---
9/9/25
---
$191.59
40,999
-13.9
D
---
9/11/25 - 4:05:39 pm
40
    
 
ROMANO GIANLUCA
VP,CFO
JB
---
13,072
---
9/9/25
---
---
47,534
37.9
D
---
9/11/25 - 4:05:39 pm
41
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
JS
$478,209
2,496
---
9/9/25
---
$191.59
22,730
-9.9
D
---
9/11/25 - 4:05:30 pm
42
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
JB
---
5,470
---
9/9/25
---
---
25,527
27.3
D
---
9/11/25 - 4:05:30 pm
43
    
 
MOSLEY WILLIAM D
CEO,DIR
JS
$2,520,941
13,158
---
9/9/25
---
$191.59
463,367
-2.8
D
---
9/11/25 - 4:05:24 pm
44
    
 
MOSLEY WILLIAM D
CEO,DIR
JB
---
26,034
---
9/9/25
---
---
474,421
5.8
D
---
9/11/25 - 4:05:24 pm
45
    
 
CHONG KIAN FATT
VP,OO
JB
---
3,475
---
9/9/25
---
---
4,384
382.3
D
---
9/11/25 - 4:05:16 pm
46
    
 
TEH BAN SENG
VP
JB
---
5,824
---
9/9/25
---
---
11,971
94.7
D
---
9/11/25 - 4:05:08 pm
47
    
 
CONYERS YOLANDA LEE
DIR
AS
$126,599
750
---
9/2/25
$164.64
$170.01
4,305
-14.8
D
10b
9/4/25 - 4:30:18 pm
48
1y
35
29%
34%
1
MOSLEY WILLIAM D
CEO,DIR
AS
$3,379,482
20,000
---
9/2/25
$164.80
$170.19
458,912
-4.2
D
10b
9/4/25 - 4:29:58 pm
49
    
 
SZLOSEK THOMAS A
DIR
3
---
---
---
8/23/25
---
---
---
---
---
---
8/26/25 - 6:01:00 pm
50
1y
18
17%
37%
1
TEH BAN SENG
VP
OS
$261,376
1,724
---
8/11/25
---
$151.61
6,147
-21.9
D
10b
8/12/25 - 6:15:21 pm
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