InsiderClue
← All stocks

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

58
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
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