Form 4 Tracker
Seagate Technology Holdings plc
STX

89 insider filings · Latest: Oct 1, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 1, 2026Oct 2 8:07 PMWilliam D MosleyDirector, CEO
Sale
11,002$935.60$10.3M362,108.25(D)

View →

Oct 1, 2026Oct 2 8:07 PMWilliam D MosleyDirector, CEO
Sale
18,998$914.67$17.4M373,110.25(D)

View →

Sep 21, 2026Sep 22 8:49 PMJohn Christopher MorrisEVP & CTO
Sale
9,354$877.91$8.2M22,693.25(D)

View →

Sep 21, 2026Sep 21 8:34 PMJOHN C MORRIS
Proposed Sale
14,849$858.79$12.8M—

View →

Sep 15, 2026Sep 16 8:10 PMGianluca RomanoEVP & CFO
Sale
49,983.5$772.16$38.6M70,756.5(D)

View →

Sep 15, 2026Sep 16 8:10 PMWilliam D MosleyDirector, CEO
Sale
97,889.25$772.14$75.6M378,108.25(D)

View →

Sep 15, 2026Sep 16 8:10 PMBan Seng TehEVP & Chief Commercial Officer
Sale
52,730$782.08$41.2M5,810(D)

View →

Sep 15, 2026Sep 16 8:10 PMJohn Christopher MorrisEVP & CTO
Sale
15,465.5$772.15$11.9M31,132.25(D)

View →

Sep 15, 2026Sep 16 12:03 AMRomano Gianluca
Proposed Sale
52,483$772.15$40.5M—

View →

Sep 15, 2026Sep 15 11:56 PMMOSLEY WILLIAM D
Proposed Sale
102,784$772.14$79.4M—

View →

Sep 15, 2026Sep 15 11:46 PMMorris John Christopher
Proposed Sale
16,239$772.14$12.5M—

View →

Sep 15, 2026Sep 15 8:21 PMBAN SENG TEH
Proposed Sale
52,730$782.08$41.2M—

View →

Sep 14, 2026Sep 15 8:16 PMBan Seng TehEVP & Chief Commercial Officer
Sale
989$779.00$770.4K5,810(D)

View →

Sep 14, 2026Sep 15 8:15 PMJohn Christopher MorrisEVP & CTO
Sale
492.75$781.23$385.0K16,467.75(D)

View →

Sep 14, 2026Sep 15 8:15 PMGianluca RomanoEVP & CFO
Sale
955$781.24$746.1K30,360(D)

View →

Sep 11, 2026Sep 15 8:15 PMGianluca RomanoEVP & CFO
Sale
4,600$854.55$3.9M29,620(D)

View →

Sep 11, 2026Sep 15 8:15 PMGianluca RomanoEVP & CFO
Sale
45,898$830.01$38.1M34,220(D)

View →

Sep 14, 2026Sep 15 8:15 PMWilliam D MosleyDirector, CEO
Sale
1,869.75$781.23$1.5M298,997.5(D)

View →

Sep 14, 2026Sep 15 12:06 AMMorris John Christopher
Proposed Sale
518$780.70$404.4K—

View →

Sep 14, 2026Sep 15 12:03 AMRomano Gianluca
Proposed Sale
1,003$781.05$783.4K—

View →

Page 1 of 10

Next →

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Aug 20, 2026Aug 24 9:11 PMBan Seng TehEVP & Chief Commercial Officer
Option Exercise
18,189$158.4018,144(D)

View →

Aug 20, 2026Aug 24 9:11 PMBan Seng TehEVP & Chief Commercial Officer
Grant/Award
8,317$850.244,736(D)

View →

Aug 20, 2026Aug 24 9:11 PMJohn Christopher MorrisEVP & CTO
Option Exercise
7,578$158.4018,293(D)

View →

Aug 20, 2026Aug 24 9:11 PMJohn Christopher MorrisEVP & CTO
Grant/Award
10,161$850.246,152(D)

View →

Aug 20, 2026Aug 24 9:11 PMJames CI LeeEVP & CLO
Option Exercise
8,920$0.000(D)

View →

Aug 20, 2026Aug 24 9:11 PMJames CI LeeEVP & CLO
Grant/Award
6,954$850.243,788(D)

View →

Aug 20, 2026Aug 24 9:11 PMKian Fatt ChongEVP Global Operations
Option Exercise
6,846$0.000(D)

View →

Aug 20, 2026Aug 24 9:11 PMKian Fatt ChongEVP Global Operations
Grant/Award
6,555$850.243,788(D)

View →

Aug 20, 2026Aug 24 9:10 PMGianluca RomanoEVP & CFO
Option Exercise
16,907$0.000(D)

View →

Aug 20, 2026Aug 24 9:10 PMGianluca RomanoEVP & CFO
Grant/Award
17,972$850.2411,360(D)

View →

Aug 20, 2026Aug 24 9:10 PMWilliam D MosleyDirector, CEO
Grant/Award
44,029$850.2431,856(D)

View →

Aug 20, 2026Aug 24 9:10 PMWilliam D MosleyDirector, CEO
Option Exercise
33,789$0.000(D)

View →

Aug 13, 2026Aug 14 8:52 PMBan Seng TehEVP & Chief Commercial Officer
Option Exercise
6,002$101.3414,740(D)

View →

Aug 3, 2026Aug 4 10:09 PMWilliam D MosleyDirector, CEO
Option Exercise
14,000$46.23111,100(D)

View →

Jul 22, 2026Jul 24 8:18 PMJames CI LeeEVP & CLO
Option Exercise
1,237—9,902(D)

View →

Jul 1, 2026Jul 2 8:40 PMWilliam D MosleyDirector, CEO
Option Exercise
14,000$46.23125,100(D)

View →

Jun 11, 2026Jun 15 9:45 PMJohn Christopher MorrisEVP & CTO
Option Exercise
942$0.004,710(D)

View →

Jun 11, 2026Jun 15 9:45 PMBan Seng TehEVP & Chief Commercial Officer
Option Exercise
989$0.004,945(D)

View →

Jun 11, 2026Jun 15 9:45 PMKian Fatt ChongEVP Global Operations
Option Exercise
678$0.003,392(D)

View →

Jun 11, 2026Jun 15 9:44 PMGianluca RomanoEVP & CFO
Option Exercise
1,695$0.008,475(D)

View →