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Detailed Insider History for:
SEAGATE TECHNOLOGY HOLDINGS PLC: STX
Price: 8/21/26 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
$850.00 $1,145.00 $158.68 $192,648 227 4,812 0.4% 4.1% 86.39% 0.26%
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
1y
25
12%
182%
1
TEH BAN SENG
VP
OS
$8,411,972
9,862
---
8/21/26
$835.54
$868.00
5,210
-65.4
D
10b
8/24/26 - 5:11:34 pm
2
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
OS
$3,422,894
4,039
8/20/26
8/21/26
---
$835.54
12,805
-24.0
D
R,10b
8/24/26 - 5:11:21 pm
3
    
 
LEE JAMES CI
VP,LO
S
$3,345,396
3,939
---
8/21/26
---
$849.35
1,191
-76.8
D
R
8/24/26 - 5:11:10 pm
4
    
 
ROMANO GIANLUCA
VP,CFO
S
$7,708,957
9,076
---
8/21/26
---
$849.35
22,997
-28.3
D
R
8/24/26 - 5:10:59 pm
5
1y
46
22%
128%
1
MOSLEY WILLIAM D
CEO,DIR
S
$15,406,022
18,139
---
8/21/26
---
$849.35
298,483
-5.7
D
R
8/24/26 - 5:10:53 pm
6
1y
25
12%
182%
1
TEH BAN SENG
VP
OS
$5,098,255
6,048
---
8/20/26
$829.77
$852.66
15,072
-28.6
D
R,10b
8/24/26 - 5:11:28 pm
7
    
 
TEH BAN SENG
VP
JB
---
12,141
---
8/20/26
---
---
15,072
414.2
D
R,10b
8/24/26 - 5:11:28 pm
8
    
 
TEH BAN SENG
VP
OE
$958,003
6,048
---
8/20/26
---
$158.40
21,120
40.1
D
R,10b
8/24/26 - 5:11:28 pm
9
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
JB
---
7,055
---
8/20/26
---
---
16,875
71.8
D
R,10b
8/24/26 - 5:11:21 pm
10
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
OE
$82,843
523
---
8/20/26
---
$158.40
15,983
3.4
D
R,10b
8/24/26 - 5:11:21 pm
11
    
 
LEE JAMES CI
VP,LO
JB
---
8,920
---
8/20/26
---
---
7,844
---
D
R
8/24/26 - 5:11:10 pm
12
    
 
CHONG KIAN FATT
VP,OO
JB
---
6,846
---
8/20/26
---
---
9,364
271.9
D
R
8/24/26 - 5:11:05 pm
13
    
 
ROMANO GIANLUCA
VP,CFO
JB
---
16,907
---
8/20/26
---
---
32,126
111.1
D
R
8/24/26 - 5:10:59 pm
14
    
 
MOSLEY WILLIAM D
CEO,DIR
JB
---
33,789
---
8/20/26
---
---
319,548
11.8
D
R
8/24/26 - 5:10:53 pm
15
1y
25
12%
182%
1
TEH BAN SENG
VP
OS
$6,778,028
7,361
---
8/13/26
$920.14
$923.73
2,931
-71.5
D
---
8/14/26 - 4:52:03 pm
16
    
 
TEH BAN SENG
VP
OE
$458,713
6,002
---
8/13/26
$64.31
$101.34
10,292
139.9
D
---
8/14/26 - 4:52:03 pm
17
    
 
ROMANO GIANLUCA
VP,CFO
AS
$743,706
880
---
8/7/26
$835.77
$850.04
20,663
-4.1
D
10b
8/11/26 - 4:21:18 pm
18
    
 
ROMANO GIANLUCA
VP,CFO
AS
$11,431,333
14,091
---
8/7/26
$799.64
$831.25
21,543
-39.5
D
10b
8/11/26 - 4:21:12 pm
19
    
 
ROMANO GIANLUCA
VP,CFO
AS
$5,659,054
7,240
---
8/7/26
$763.39
$798.33
35,634
-16.9
D
10b
8/11/26 - 4:21:04 pm
20
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
AS
$137,384
168
---
8/3/26
---
$817.76
11,920
-1.4
D
10b
8/4/26 - 6:09:47 pm
21
1y
46
22%
128%
1
MOSLEY WILLIAM D
CEO,DIR
OS
$14,130,293
17,080
---
8/3/26
$819.41
$837.98
295,517
-5.5
D
10b
8/4/26 - 6:09:40 pm
22
1y
46
22%
128%
1
MOSLEY WILLIAM D
CEO,DIR
OS
$10,380,838
12,920
---
8/3/26
$783.84
$818.32
312,597
-4.0
D
10b
8/4/26 - 6:09:32 pm
23
    
 
MOSLEY WILLIAM D
CEO,DIR
OE
$647,220
14,000
---
8/3/26
---
$46.23
325,517
4.5
D
10b
8/4/26 - 6:09:32 pm
24
    
 
LEE JAMES CI
VP,LO
AS
$608,950
694
---
7/30/26
---
$877.45
347
-66.7
D
10b
8/3/26 - 4:14:37 pm
25
    
 
LEE JAMES CI
VP,LO
S
$490,741
542
---
7/23/26
---
$905.01
1,019
-34.7
D
R
7/24/26 - 4:18:35 pm
26
    
 
LEE JAMES CI
VP,LO
JB
---
1,237
---
7/22/26
---
---
1,561
381.8
D
R
7/24/26 - 4:18:35 pm
27
1y
46
22%
128%
1
MOSLEY WILLIAM D
CEO,DIR
OS
$8,636,883
9,343
---
7/1/26
$919.64
$936.36
311,517
-2.9
D
10b
7/2/26 - 4:40:50 pm
28
1y
46
22%
128%
1
MOSLEY WILLIAM D
CEO,DIR
OS
$18,807,774
20,657
---
7/1/26
$887.97
$918.67
320,860
-6.0
D
10b
7/2/26 - 4:40:43 pm
29
    
 
MOSLEY WILLIAM D
CEO,DIR
OE
$647,220
14,000
---
7/1/26
---
$46.23
341,517
4.3
D
10b
7/2/26 - 4:40:43 pm
30
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
AS
$1,200,579
1,364
---
6/12/26
---
$880.19
12,088
-10.1
D
R,10b
6/15/26 - 5:45:15 pm
31
1y
25
12%
182%
1
TEH BAN SENG
VP
AS
$870,508
989
---
6/12/26
---
$880.19
4,290
-18.7
D
R,10b
6/15/26 - 5:45:09 pm
32
    
 
ROMANO GIANLUCA
VP,CFO
S
$795,029
903
---
6/12/26
---
$880.19
42,860
-2.1
D
R
6/15/26 - 5:44:58 pm
33
1y
46
22%
128%
1
MOSLEY WILLIAM D
CEO,DIR
S
$1,556,394
1,768
---
6/12/26
---
$880.19
327,517
-0.5
D
R
6/15/26 - 5:44:50 pm
34
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
JB
---
942
---
6/11/26
---
---
13,452
7.5
D
R,10b
6/15/26 - 5:45:15 pm
35
    
 
TEH BAN SENG
VP
JB
---
989
---
6/11/26
---
---
5,279
23.1
D
R,10b
6/15/26 - 5:45:09 pm
36
    
 
CHONG KIAN FATT
VP,OO
JB
---
678
---
6/11/26
---
---
2,518
36.8
D
R
6/15/26 - 5:45:04 pm
37
    
 
ROMANO GIANLUCA
VP,CFO
JB
---
1,695
---
6/11/26
---
---
43,764
4.0
D
R
6/15/26 - 5:44:58 pm
38
    
 
MOSLEY WILLIAM D
CEO,DIR
JB
---
3,319
---
6/11/26
---
---
329,285
1.0
D
R
6/15/26 - 5:44:50 pm
39
1y
25
12%
182%
1
TEH BAN SENG
VP
AS
$544,893
663
---
6/10/26
---
$821.86
4,290
-13.4
D
10b
6/11/26 - 4:29:37 pm
40
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
S
$471,426
574
---
6/10/26
---
$821.65
12,199
-4.5
D
---
6/11/26 - 4:29:28 pm
41
1y
46
22%
128%
1
MOSLEY WILLIAM D
CEO,DIR
S
$2,345,874
2,855
---
6/10/26
$821.74
$821.75
324,870
-0.9
D
---
6/11/26 - 4:29:19 pm
42
    
 
ROMANO GIANLUCA
VP,CFO
S
$1,109,780
1,351
---
6/10/26
$821.73
$821.77
41,381
-3.2
D
---
6/11/26 - 4:29:11 pm
43
    
 
CHONG KIAN FATT
VP,OO
JB
---
581
---
6/9/26
---
---
1,840
46.1
D
---
6/11/26 - 4:29:44 pm
44
    
 
TEH BAN SENG
VP
JB
---
1,262
---
6/9/26
---
---
4,953
34.2
D
10b
6/11/26 - 4:29:37 pm
45
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
JB
---
1,130
---
6/9/26
---
---
12,830
9.7
D
---
6/11/26 - 4:29:28 pm
46
    
 
MOSLEY WILLIAM D
CEO,DIR
JB
---
5,230
---
6/9/26
---
---
327,285
1.6
D
---
6/11/26 - 4:29:19 pm
47
    
 
ROMANO GIANLUCA
VP,CFO
JB
---
2,474
---
6/9/26
---
---
42,896
6.1
D
---
6/11/26 - 4:29:11 pm
48
    
 
ARUMUGAVELU SHANKAR
DIR
S
$927,680
1,000
---
6/4/26
---
$927.68
6,626
-13.1
D
---
6/4/26 - 4:59:29 pm
49
1m
1
100%
-11%
2
BHATT PRAT
DIR
AS
$929,880
1,000
---
6/2/26
---
$929.88
12,869
-7.2
D
10b
6/2/26 - 5:17:07 pm
50
    
 
CONYERS YOLANDA LEE
DIR
AS
$663,998
750
---
6/1/26
---
$885.33
4,101
-15.5
D
10b
6/2/26 - 5:17:00 pm
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