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Seagate Technology

STX Net selling
CIK 0001137789 #406 in the set updated 17 Sep 2026
Bought (12 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$563.80M
$192.66M on a plan · $184.94M straight out of an exercise
Sold at will
$186.20M
40 of 669 sales
Net
−$563.80M
−$186.20M against sales at will

By person

17 insiders · 669 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
—
$281.22M (307) scheduled
−$281.22M
378,108
0.1668%
$291.96M
−47.4%
Romano Gianluca
EVP & CFO
—
$146.39M (174) scheduled
−$146.39M
70,757
0.0312%
$54.63M
+11.1%
Teh Ban Seng
EVP & Chief Commercial Officer
—
$89.27M (107) scheduled
−$89.27M
5,810
0.0026%
$4.49M
−65.8%
Morris John Christopher
EVP & CTO
—
$22.38M (30)
−$22.38M
31,132
0.0137%
$24.04M
+100.8%
Lee James CI
EVP & CLO
—
$12.56M (37) scheduled
−$12.56M
347
0.0002%
$267.94K
+0.3%
Chong Kian Fatt
EVP Global Operations
—
$4.36M (2)
−$4.36M
25,093
0.0111%
$19.38M
+161.5%
Arumugavelu Shankar
Director
—
$2.40M (2)
−$2.40M
6,626
0.0029%
$5.12M
+5.0%
Conyers Yolanda Lee
Director
—
$1.78M (4) scheduled
−$1.78M
3,351
0.0015%
$2.59M
+10.4%
Tilenius Stephanie
Director
—
$1.76M (3)
−$1.76M
10,664
0.0047%
$8.23M
0.0%
BHATT PRAT
Director
—
$929.88K (1) scheduled
−$929.88K
12,869
0.0057%
$9.94M
+70.4%
Geldmacher Jay L
Director
—
$750.80K (2)
−$750.80K
223
<0.0001%
$172.19K
−91.7%
CLEMMER RICHARD L
Director
—
—
—
29,704
0.0131%
$22.94M
+27.0%
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%
BRUGGEWORTH ROBERT A
Director
—
—
—
6,591
0.0029%
$5.09M
+184.1%
Adams Mark
Director
—
—
—
2,046
0.0009%
$1.58M
—

Individual transactions

115
Insider
Date
Role
Action
Shares
Price
Amount
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
Romano Gianluca
14 Sep 2026
EVP & CFO
Sold on a plan
955
$781.24
$746.09K
Teh Ban Seng
14 Sep 2026
EVP & Chief Commercial Officer
Sold on a plan
989
$779.00
$770.43K
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
Morris John Christopher
21 Aug 2026
EVP & CTO
Sold on a plan
609
$849.35
$516.83K
Morris John Christopher
21 Aug 2026
EVP & CTO
Sold on a plan
2,028
$849.35
$1.72M
Morris John Christopher
21 Aug 2026
EVP & CTO
Sold on a plan
879
$849.35
$746.58K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
80
$868.00
$69.44K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
120
$865.77
$103.89K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
360
$863.21
$310.76K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
1,759
$861.81
$1.52M
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
221
$861.26
$190.34K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
500
$860.50
$430.25K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
80
$859.30
$68.74K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
280
$858.23
$240.30K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
720
$857.16
$617.15K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
240
$855.18
$205.24K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
160
$854.21
$136.67K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
510
$852.90
$434.98K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
560
$851.71
$476.96K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
440
$850.63
$374.28K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
267
$849.27
$226.76K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
520
$848.47
$441.20K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
920
$847.36
$779.57K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
360
$846.39
$304.70K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
228
$845.15
$192.69K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
120
$843.64
$101.24K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
240
$842.69
$202.25K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
440
$841.60
$370.31K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
200
$840.53
$168.11K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
280
$839.60
$235.09K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
88
$838.35
$73.77K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
89
$837.27
$74.52K
Teh Ban Seng
21 Aug 2026
EVP & Chief Commercial Officer
Sold on a plan
80
$835.55
$66.84K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
320
$798.33
$255.47K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
240
$797.34
$191.36K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
93
$796.40
$74.07K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
480
$795.02
$381.61K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
547
$793.77
$434.19K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
280
$793.15
$222.08K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
240
$791.50
$189.96K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
80
$790.54
$63.24K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
240
$789.45
$189.47K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
160
$788.60
$126.18K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
200
$787.35
$157.47K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
200
$785.08
$157.02K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
120
$784.34
$94.12K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
200
$782.96
$156.59K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
120
$781.89
$93.83K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
80
$780.22
$62.42K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
440
$779.73
$343.08K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
120
$778.54
$93.42K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
200
$776.94
$155.39K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
127
$775.52
$98.49K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
192
$774.27
$148.66K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
280
$773.60
$216.61K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
320
$772.45
$247.18K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
321
$771.40
$247.62K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
320
$770.27
$246.49K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
560
$769.21
$430.75K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
400
$767.81
$307.12K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
160
$765.58
$122.49K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
200
$763.39
$152.68K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
280
$831.25
$232.75K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
240
$829.74
$199.14K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
40
$827.88
$33.12K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
80
$825.55
$66.04K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
120
$824.90
$98.99K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
360
$823.57
$296.49K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
520
$822.45
$427.67K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
640
$821.32
$525.64K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
400
$820.21
$328.09K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
560
$818.71
$458.48K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
280
$817.74
$228.97K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
480
$816.72
$392.02K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
320
$815.50
$260.96K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
920
$814.42
$749.26K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
412
$813.50
$335.16K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
440
$812.47
$357.49K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
720
$811.51
$584.29K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
320
$810.10
$259.23K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
400
$808.91
$323.56K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
440
$807.85
$355.45K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
840
$806.81
$677.72K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
1,146
$805.89
$923.55K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
620
$804.78
$498.96K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
1,227
$803.82
$986.28K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
679
$802.67
$545.01K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
767
$801.71
$614.91K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
520
$800.42
$416.22K
Romano Gianluca
7 Aug 2026
EVP & CFO
Sold on a plan
320
$799.64
$255.89K
Showing 250 of 669 transactions. The figures above use every one of them.

What was left out

Form 4 filings counted 135
Amendments (4/A) skipped 1
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 383
Sales straight out of an exercise 246
Sales at will 40
Transactions with no price 0
Shares from compensation/vesting 865,342
History held since 30 Aug 2016