Form 4 Tracker
Seagate Technology Holdings plc
STX

89 insider filings · Latest: Oct 1, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 13, 2025Oct 14 12:54 PMBAN SENG TEH
Proposed Sale
1,410$225.56$318.0K—

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Oct 1, 2025Oct 1 8:30 PMWILLIAM MOSLEY
Proposed Sale
20,000$236.06$4.7M—

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Sep 16, 2025Sep 16 8:20 PMJOHN MORRIS
Proposed Sale
377$211.12$79.6K—

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Sep 12, 2025Sep 12 8:34 PMJOHN MORRIS
Proposed Sale
15,347$196.81$3.0M—

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Sep 11, 2025Sep 11 8:02 PMBAN SENG TEH
Proposed Sale
3,732$193.30$721.4K—

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Sep 10, 2025Sep 10 9:15 PMBAN SENG TEH
Proposed Sale
6,781$191.53$1.3M—

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Sep 2, 2025Sep 2 8:34 PMYOLANDA CONYERS
Proposed Sale
750$167.40$125.5K—

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Sep 2, 2025Sep 2 8:33 PMWILLIAM MOSLEY
Proposed Sale
20,000$167.40$3.3M—

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Aug 11, 2025Aug 11 8:07 PMBAN SENG TEH
Proposed Sale
1,724$151.61$261.4K—

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Aug 1, 2025Aug 1 11:32 PMBAN SENG TEH
Proposed Sale
5,905$155.00$915.3K—

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Aug 1, 2025Aug 1 8:54 PMWILLIAM MOSLEY
Proposed Sale
20,000$157.01$3.1M—

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Jul 11, 2025Jul 11 8:03 PMBAN SENG TEH
Proposed Sale
1,725$144.00$248.4K—

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Jul 1, 2025Jul 1 8:33 PMWILLIAM MOSLEY
Proposed Sale
20,000$144.33$2.9M—

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Jun 16, 2025Jun 16 8:08 PMBAN SENG TEH
Proposed Sale
599$130.00$77.9K—

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Jun 11, 2025Jun 11 8:18 PMBAN SENG TEH
Proposed Sale
1,723$129.05$222.4K—

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Jun 9, 2025Jun 9 8:29 PMWILLIAM MOSLEY
Proposed Sale
54,347$126.97$6.9M—

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Jun 9, 2025Jun 9 8:04 PMBAN SENG TEH
Proposed Sale
3,594$130.00$467.2K—

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Jun 5, 2025Jun 5 8:16 PMSTEPHANIE TILENIUS
Proposed Sale
2,693$128.04$344.8K—

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Jun 4, 2025Jun 4 8:05 PMBAN SENG TEH
Proposed Sale
63,418$125.00$7.9M—

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Jun 3, 2025Jun 3 8:26 PMWILLIAM MOSLEY
Proposed Sale
10,000$119.15$1.2M—

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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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