Form 4 Tracker
Seagate Technology Holdings plc
STX

89 insider filings · Latest: Oct 1, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 10, 2026Jun 11 1:57 AMMorris John Christopher
Proposed Sale
574$876.77$503.3K—

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Jun 10, 2026Jun 10 8:04 PMBAN SENG TEH
Proposed Sale
663$821.86$544.9K—

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Jun 4, 2026Jun 4 8:59 PMShankar ArumugaveluDirector
Sale
1,000$927.68$927.7K6,626(D)

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Jun 4, 2026Jun 4 8:32 PMSHANKAR ARUMUGAVELU
Proposed Sale
1,000$927.68$927.7K—

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Jun 2, 2026Jun 2 9:17 PMPrat BhattDirector
Sale
1,000$929.88$929.9K12,869(D)

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Jun 1, 2026Jun 2 9:17 PMYolanda Lee ConyersDirector
Sale
750$885.33$664.0K4,101(D)

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Jun 1, 2026Jun 2 9:16 PMWilliam D MosleyDirector, CEO
Sale
13,780$924.99$12.7M323,591(D)

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Jun 1, 2026Jun 2 9:16 PMWilliam D MosleyDirector, CEO
Sale
16,220$900.21$14.6M337,371(D)

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Jun 2, 2026Jun 2 8:36 PMPratik Bhatt
Proposed Sale
1,000$921.26$921.3K—

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Jun 1, 2026Jun 1 8:36 PMWILLIAM D. MOSLEY
Proposed Sale
90,000$879.80$79.2M—

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May 20, 2026May 21 8:52 PMWilliam D MosleyDirector, CEO
Sale
30,000$751.29$22.5M339,591(D)

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May 20, 2026May 20 8:39 PMWILLIAM D. MOSLEY
Proposed Sale
30,000$733.35$22.0M—

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May 14, 2026May 14 8:52 PMBan Seng TehEVP & Chief Commercial Officer
Sale
8,003$817.28$6.5M3,691(D)

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May 13, 2026May 14 8:52 PMBan Seng TehEVP & Chief Commercial Officer
Sale
7,557$813.45$6.1M3,691(D)

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May 14, 2026May 14 8:12 PMBAN SENG TEH
Proposed Sale
8,003$817.28$6.5M—

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May 13, 2026May 13 8:04 PMBAN SENG TEH
Proposed Sale
7,557$813.45$6.1M—

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May 7, 2026May 8 9:00 PMGianluca RomanoEVP & CFO
Sale
1,902$770.00$1.5M40,945(D)

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May 6, 2026May 8 9:00 PMGianluca RomanoEVP & CFO
Sale
22,488$774.22$17.4M42,847(D)

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May 6, 2026May 6 8:53 PMGIANLUCA ROMANO
Proposed Sale
24,390$771.01$18.8M—

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May 5, 2026May 6 8:36 PMStephanie TileniusDirector
Sale
1,580$766.61$1.2M10,664(D)

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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)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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