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Seagate Technology

STX Net selling
CIK 0001137789 #406 in the set updated 21 Sep 2026
Bought (1 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$249.70M
$43.94M on a plan · $73.68M straight out of an exercise
Sold at will
$132.08M
11 of 132 sales
Net
−$249.70M
−$132.08M against sales at will

By person

17 insiders · 132 transactions
228×

William D. Mosley holds 228 times base salary in stock. $291.96M of shares against $1.28M in salary for 2026.

Salary from the company's own proxy. The shares are what William D. Mosley last reported holding, valued at $772.15, the price Ordinary Shares was last bought or sold at on the open market here, on 15 Sep 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
MOSLEY WILLIAM D
CEO
—
$103.99M (30)
−$103.99M
378,108
0.1668%
$291.96M
−47.4%
Romano Gianluca
EVP & CFO
—
$82.53M (42) scheduled
−$82.53M
70,757
0.0312%
$54.63M
+11.1%
Teh Ban Seng
EVP & Chief Commercial Officer
—
$42.58M (26) scheduled
−$42.58M
5,810
0.0026%
$4.49M
−65.8%
Morris John Christopher
EVP & CTO
—
$12.82M (4)
−$12.82M
31,132
0.0137%
$24.04M
+100.8%
Lee James CI
EVP & CLO
—
$7.16M (29) scheduled
−$7.16M
347
0.0002%
$267.94K
+0.3%
Conyers Yolanda Lee
Director
—
$611.33K (1) scheduled
−$611.33K
3,351
0.0015%
$2.59M
+10.4%
CLEMMER RICHARD L
Director
—
—
—
29,704
0.0131%
$22.94M
+27.0%
Chong Kian Fatt
EVP Global Operations
—
—
—
25,093
0.0111%
$19.38M
+161.5%
BRUNER JUDY
Director
—
—
—
18,585
0.0082%
$14.35M
−18.2%
Haggart Dylan G.
Director
—
—
—
14,515
0.0064%
$11.21M
+77.1%
CANNON MICHAEL R
Director
—
—
—
13,439
0.0059%
$10.38M
−54.6%
BHATT PRAT
Director
—
—
—
12,869
0.0057%
$9.94M
+70.4%
Tilenius Stephanie
Director
—
—
—
10,664
0.0047%
$8.23M
0.0%
Arumugavelu Shankar
Director
—
—
—
6,626
0.0029%
$5.12M
+5.0%
BRUGGEWORTH ROBERT A
Director
—
—
—
6,591
0.0029%
$5.09M
+184.1%
Adams Mark
Director
—
—
—
2,046
0.0009%
$1.58M
—
Geldmacher Jay L
Director
—
—
—
223
<0.0001%
$172.19K
−91.7%

Individual transactions

132
Insider
Date
Role
Action
Shares
Price
Amount
Morris John Christopher
15 Sep 2026
EVP & CTO
Sell
15,466
$772.15
$11.94M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
2,480
$800.47
$1.99M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
400
$799.03
$319.61K
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
530
$797.97
$422.92K
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
1,587
$796.90
$1.26M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
2,166
$795.95
$1.72M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
1,280
$794.72
$1.02M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
560
$791.36
$443.16K
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
1,760
$789.84
$1.39M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
280
$788.43
$220.76K
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
120
$787.26
$94.47K
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
1,040
$786.14
$817.59K
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
1,000
$784.45
$784.45K
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
1,760
$783.28
$1.38M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
4,147
$782.56
$3.25M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
1,600
$781.35
$1.25M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
2,453
$780.29
$1.91M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
6,682
$779.27
$5.21M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
7,259
$778.35
$5.65M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
3,987
$777.22
$3.10M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
3,242
$776.20
$2.52M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
2,315
$775.01
$1.79M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
1,717
$774.01
$1.33M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
3,451
$772.65
$2.67M
Teh Ban Seng
15 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
914
$771.38
$705.04K
MOSLEY WILLIAM D
15 Sep 2026
CEO
Sell
97,889
$772.14
$75.58M
Romano Gianluca
15 Sep 2026
EVP & CFO
Sell
49,984
$772.16
$38.60M
MOSLEY WILLIAM D
14 Sep 2026
CEO
Sell
1,870
$781.23
$1.46M
Romano Gianluca
14 Sep 2026
EVP & CFO
Sold on a plan
955
$781.24
$746.09K
Morris John Christopher
14 Sep 2026
EVP & CTO
Sell
493
$781.23
$384.95K
Teh Ban Seng
14 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
989
$779.00
$770.43K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
360
$843.55
$303.68K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
280
$842.23
$235.82K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
320
$841.05
$269.14K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,000
$840.12
$840.12K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
880
$839.15
$738.45K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
200
$838.10
$167.62K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
480
$836.92
$401.72K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,320
$835.67
$1.10M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,440
$834.80
$1.20M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
2,080
$833.67
$1.73M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
4,220
$832.68
$3.51M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
4,589
$831.71
$3.82M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
7,568
$830.74
$6.29M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
5,593
$829.77
$4.64M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
3,321
$828.84
$2.75M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,727
$827.72
$1.43M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,840
$826.72
$1.52M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
800
$825.65
$660.52K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,400
$824.60
$1.15M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
880
$823.72
$724.87K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,690
$822.50
$1.39M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,550
$821.42
$1.27M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,320
$820.54
$1.08M
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
1,040
$819.39
$852.16K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
240
$868.43
$208.42K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
320
$864.41
$276.61K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
280
$861.07
$241.10K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
280
$860.47
$240.93K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
240
$857.41
$205.78K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
240
$855.72
$205.37K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
680
$854.41
$581.00K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
640
$852.87
$545.84K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
320
$851.45
$272.46K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
80
$849.87
$67.99K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
560
$849.53
$475.74K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
320
$847.98
$271.35K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
200
$846.94
$169.39K
Romano Gianluca
11 Sep 2026
EVP & CFO
Sold after exercise
200
$844.81
$168.96K
MOSLEY WILLIAM D
10 Sep 2026
CEO
Sell
1,316
$862.14
$1.13M
MOSLEY WILLIAM D
10 Sep 2026
CEO
Sell
1,534
$862.13
$1.32M
Romano Gianluca
10 Sep 2026
EVP & CFO
Sell
826
$862.13
$711.69K
Romano Gianluca
10 Sep 2026
EVP & CFO
Sell
523
$862.13
$450.46K
Morris John Christopher
10 Sep 2026
EVP & CTO
Sell
319
$862.14
$275.24K
Morris John Christopher
10 Sep 2026
EVP & CTO
Sell
253
$862.13
$218.12K
Teh Ban Seng
10 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
663
$860.09
$570.24K
Conyers Yolanda Lee
1 Sep 2026
Director
Sold on a plan
750
$815.11
$611.33K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
80
$832.05
$66.56K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
80
$830.36
$66.43K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
80
$829.10
$66.33K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
120
$827.90
$99.35K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
340
$826.86
$281.13K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
580
$826.00
$479.08K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
600
$824.93
$494.96K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
1,240
$824.05
$1.02M
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
600
$822.89
$493.73K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
480
$822.05
$394.58K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
920
$820.89
$755.22K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
1,320
$819.84
$1.08M
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
1,040
$818.78
$851.53K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
2,080
$817.71
$1.70M
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
4,287
$816.75
$3.50M
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
4,555
$815.75
$3.72M
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
2,878
$814.75
$2.34M
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
2,040
$813.74
$1.66M
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
1,200
$812.55
$975.06K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
1,578
$811.73
$1.28M
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
1,105
$810.78
$895.92K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
1,160
$809.55
$939.08K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
960
$808.62
$776.28K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
160
$807.19
$129.15K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
160
$805.55
$128.89K
MOSLEY WILLIAM D
1 Sep 2026
CEO
Sold after exercise
357
$804.61
$287.25K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
40
$816.96
$32.68K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
40
$814.27
$32.57K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
40
$812.72
$32.51K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
120
$809.61
$97.15K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
80
$804.87
$64.39K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
440
$803.57
$353.57K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
593
$802.67
$475.98K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
200
$801.60
$160.32K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
480
$800.42
$384.20K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
567
$799.44
$453.28K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
600
$798.49
$479.09K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
600
$797.39
$478.43K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
845
$795.90
$672.53K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
968
$794.77
$769.34K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
480
$793.66
$380.96K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
120
$792.39
$95.09K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
440
$791.80
$348.39K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
280
$790.34
$221.30K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
560
$789.25
$441.98K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
200
$788.03
$157.61K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
240
$786.27
$188.71K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
120
$784.66
$94.16K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
280
$783.28
$219.32K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
280
$782.33
$219.05K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
160
$780.66
$124.91K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
80
$778.51
$62.28K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
8
$777.05
$6.22K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
112
$776.14
$86.93K
Lee James CI
24 Aug 2026
EVP & CLO
Sold after exercise
40
$774.84
$30.99K

What was left out

Form 4 filings counted 26
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 28
Sales straight out of an exercise 93
Sales at will 11
Transactions with no price 0
Shares from compensation/vesting 451,542
History held since 30 Aug 2016