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Detailed Insider History for:
SEAGATE TECHNOLOGY HOLDINGS PLC: STX
Price: 9/11/26 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
$830.17 $1,145.00 $199.65 $188,775 227 4,823 0.4% 4.3% 84.37% 0.26%
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
1y
27
11%
192%
1
TEH BAN SENG
VP
AS
$770,431
989
---
9/14/26
---
$779.00
5,810
-14.5
D
10b
9/15/26 - 4:16:08 pm
2
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
S
$384,952
493
---
9/14/26
---
$781.23
16,468
-2.9
D
R
9/15/26 - 4:15:57 pm
3
    
 
ROMANO GIANLUCA
VP,CFO
OS
$4,677,037
5,555
9/11/26
9/14/26
---
$781.24
29,620
-15.8
D
R,10b
9/15/26 - 4:15:52 pm
4
1y
47
21%
133%
1
MOSLEY WILLIAM D
CEO,DIR
S
$1,460,696
1,870
---
9/14/26
---
$781.23
298,998
-0.6
D
R
9/15/26 - 4:15:38 pm
5
    
 
TEH BAN SENG
VP
JB
---
989
---
9/11/26
---
---
6,799
17.0
D
10b
9/15/26 - 4:16:08 pm
6
    
 
CHONG KIAN FATT
VP,OO
JB
---
678
---
9/11/26
---
---
10,623
6.8
D
R
9/15/26 - 4:16:02 pm
7
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
JB
---
942
---
9/11/26
---
---
16,961
5.9
D
R
9/15/26 - 4:15:57 pm
8
    
 
ROMANO GIANLUCA
VP,CFO
JB
---
1,695
---
9/11/26
---
---
31,315
5.7
D
R,10b
9/15/26 - 4:15:52 pm
9
    
 
ROMANO GIANLUCA
VP,CFO
OS
$38,095,904
45,898
---
9/11/26
$819.39
$843.55
34,220
-57.3
D
10b
9/15/26 - 4:15:44 pm
10
    
 
ROMANO GIANLUCA
VP,CFO
OE
$5,049,478
50,498
---
9/11/26
$64.31
$158.40
80,118
170.5
D
10b
9/15/26 - 4:15:44 pm
11
    
 
MOSLEY WILLIAM D
CEO,DIR
JB
---
3,319
---
9/11/26
---
---
300,867
1.1
D
R
9/15/26 - 4:15:38 pm
12
1y
27
11%
192%
1
TEH BAN SENG
VP
AS
$570,240
663
---
9/10/26
---
$860.09
5,810
-10.2
D
10b
9/11/26 - 4:47:10 pm
13
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
S
$493,355
572
---
9/10/26
$862.12
$862.14
15,707
-3.5
D
---
9/11/26 - 4:47:02 pm
14
    
 
ROMANO GIANLUCA
VP,CFO
S
$1,162,156
1,348
---
9/10/26
---
$862.13
28,931
-4.5
D
---
9/11/26 - 4:46:55 pm
15
1y
47
21%
133%
1
MOSLEY WILLIAM D
CEO,DIR
S
$2,456,436
2,849
---
9/10/26
$862.13
$862.14
296,449
-1.0
D
---
9/11/26 - 4:46:47 pm
16
    
 
CHONG KIAN FATT
VP,OO
JB
---
581
---
9/9/26
---
---
9,945
6.2
D
---
9/11/26 - 4:47:18 pm
17
    
 
TEH BAN SENG
VP
JB
---
1,263
---
9/9/26
---
---
6,473
24.2
D
10b
9/11/26 - 4:47:10 pm
18
    
 
MORRIS JOHN CHRISTOPHER
VP,CTO
JB
---
1,131
---
9/9/26
---
---
16,338
7.4
D
---
9/11/26 - 4:47:02 pm
19
    
 
ROMANO GIANLUCA
VP,CFO
JB
---
2,474
---
9/9/26
---
---
30,446
8.8
D
---
9/11/26 - 4:46:55 pm
20
    
 
MOSLEY WILLIAM D
CEO,DIR
JB
---
5,230
---
9/9/26
---
---
298,864
1.8
D
---
9/11/26 - 4:46:47 pm
21
1y
47
21%
133%
1
MOSLEY WILLIAM D
CEO,DIR
OS
$24,488,282
30,000
---
9/1/26
$804.61
$832.04
295,168
-9.2
D
10b
9/3/26 - 4:51:26 pm
22
    
 
MOSLEY WILLIAM D
CEO,DIR
OE
$647,220
14,000
---
9/1/26
---
$46.23
325,168
4.5
D
10b
9/3/26 - 4:51:26 pm
23
    
 
CONYERS YOLANDA LEE
DIR
AS
$611,333
750
---
9/1/26
---
$815.11
3,351
-18.3
D
10b
9/3/26 - 4:51:20 pm
24
    
 
LEE JAMES CI
VP,LO
OS
$7,163,926
9,013
---
8/24/26
$774.84
$816.96
347
-96.3
D
10b
8/26/26 - 4:21:52 pm
25
    
 
LEE JAMES CI
VP,LO
OE
$638,669
4,032
---
8/24/26
---
$158.40
9,360
75.7
D
10b
8/26/26 - 4:21:52 pm
26
1y
27
11%
192%
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
27
    
 
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
28
    
 
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
29
    
 
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
30
1y
47
21%
133%
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
31
1y
27
11%
192%
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
32
    
 
TEH BAN SENG
VP
JB
---
12,141
---
8/20/26
---
---
15,072
414.2
D
R,10b
8/24/26 - 5:11:28 pm
33
    
 
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
34
    
 
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
35
    
 
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
36
    
 
LEE JAMES CI
VP,LO
JB
---
8,920
---
8/20/26
---
---
7,844
---
D
R
8/24/26 - 5:11:10 pm
37
    
 
CHONG KIAN FATT
VP,OO
JB
---
6,846
---
8/20/26
---
---
9,364
271.9
D
R
8/24/26 - 5:11:05 pm
38
    
 
ROMANO GIANLUCA
VP,CFO
JB
---
16,907
---
8/20/26
---
---
32,126
111.1
D
R
8/24/26 - 5:10:59 pm
39
    
 
MOSLEY WILLIAM D
CEO,DIR
JB
---
33,789
---
8/20/26
---
---
319,548
11.8
D
R
8/24/26 - 5:10:53 pm
40
1y
27
11%
192%
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
41
    
 
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
42
    
 
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
43
    
 
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
44
    
 
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
45
    
 
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
46
1y
47
21%
133%
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
47
1y
47
21%
133%
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
48
    
 
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
49
    
 
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
50
    
 
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
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