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Seagate Technology

STX Net selling
CIK 0001137789 #406 in the set updated 17 Sep 2026
Bought (1 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$293.09M
$55.34M on a plan · $79.21M straight out of an exercise
Sold at will
$158.54M
20 of 191 sales
Net
−$293.09M
−$158.54M against sales at will

By person

17 insiders · 191 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
—
$119.40M (33)
−$119.40M
378,108
0.1668%
$291.96M
−47.4%
Romano Gianluca
EVP & CFO
—
$90.24M (45)
−$90.24M
70,757
0.0312%
$54.63M
+11.1%
Teh Ban Seng
EVP & Chief Commercial Officer
—
$56.09M (72) scheduled
−$56.09M
5,810
0.0026%
$4.49M
−65.8%
Morris John Christopher
EVP & CTO
—
$16.24M (8)
−$16.24M
31,132
0.0137%
$24.04M
+100.8%
Lee James CI
EVP & CLO
—
$10.51M (32) scheduled
−$10.51M
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

113
Insider
Date
Role
Action
Shares
Price
Amount
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
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
Morris John Christopher
20 Aug 2026
EVP & CTO
Sold after exercise
523
$835.54
$436.99K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
610
$852.66
$520.13K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
630
$852.05
$536.79K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
280
$850.41
$238.11K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
400
$849.27
$339.71K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
160
$847.42
$135.59K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
320
$846.31
$270.82K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
926
$845.03
$782.50K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
40
$843.86
$33.75K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
120
$843.24
$101.19K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
160
$841.51
$134.64K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
80
$839.94
$67.20K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
120
$838.41
$100.61K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
440
$837.22
$368.38K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
682
$835.64
$569.90K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
240
$834.59
$200.30K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
280
$833.71
$233.44K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
240
$831.85
$199.64K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
80
$830.18
$66.41K
Teh Ban Seng
20 Aug 2026
EVP & Chief Commercial Officer
Sold after exercise
240
$829.77
$199.15K
Show all 191 transactions →

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 58
Sales straight out of an exercise 113
Sales at will 20
Transactions with no price 0
Shares from compensation/vesting 543,771
History held since 30 Aug 2016