Form 4 Tracker
Seagate Technology Holdings plc
STX

89 insider filings · Latest: Oct 1, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jan 30, 2026Feb 2 9:13 PMJay L GeldmacherDirector
Sale
925$448.03$414.4K223(D)

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Jan 29, 2026Feb 2 9:13 PMBan Seng TehEVP & Chief Commercial Officer
Sale
20,195$442.29$8.9M3,092(D)

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Jan 29, 2026Jan 29 11:35 PMBAN SENG TEH
Proposed Sale
20,195$442.29$8.9M—

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Jan 26, 2026Jan 29 2:27 AMJames CI LeeEVP & CLO
Sale
673$348.85$234.8K257(D)

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Jan 26, 2026Jan 26 9:29 PMJAMES LEE
Proposed Sale
673$346.10$232.9K—

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Jan 12, 2026Jan 12 9:08 PMBAN SENG TEH
Proposed Sale
1,412$299.31$422.6K—

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Jan 2, 2026Jan 2 9:30 PMWILLIAM MOSLEY
Proposed Sale
20,000$275.39$5.5M—

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Dec 15, 2025Dec 15 9:15 PMJOHN MORRIS
Proposed Sale
113$287.64$32.5K—

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Dec 11, 2025Dec 11 9:04 PMBAN SENG TEH
Proposed Sale
2,010$295.90$594.8K—

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Dec 2, 2025Dec 2 9:22 PMYOLANDA CONYERS
Proposed Sale
750$270.10$202.6K—

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Dec 1, 2025Dec 1 9:36 PMWILLIAM MOSLEY
Proposed Sale
20,000$276.69$5.5M—

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Nov 12, 2025Nov 12 9:37 PMGIANLUCA ROMANO
Proposed Sale
62,023$288.00$17.9M—

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Nov 11, 2025Nov 12 2:02 PMBAN SENG TEH
Proposed Sale
1,412$288.98$408.0K—

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Nov 11, 2025Nov 12 12:00 PMJAMES LEE
Proposed Sale
697$293.99$204.9K—

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Nov 10, 2025Nov 10 9:08 PMSHANKAR ARUMUGAVELU
Proposed Sale
5,000$294.57$1.5M—

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Nov 5, 2025Nov 5 9:01 PMBAN SENG TEH
Proposed Sale
6,000$270.00$1.6M—

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Nov 3, 2025Nov 3 9:31 PMWILLIAM MOSLEY
Proposed Sale
20,000$255.88$5.1M—

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Nov 3, 2025Nov 3 9:20 PMSTEPHANIE TILENIUS
Proposed Sale
2,046$266.41$545.1K—

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Oct 31, 2025Oct 31 5:53 PMBRUNER JUDY
Proposed Sale
8,886$268.40$2.4M—

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Oct 30, 2025Oct 30 8:10 PMKIAN FATT CHONG
Proposed Sale
7,078$272.14$1.9M—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Oct 1, 2026Oct 2 8:07 PMWilliam D MosleyDirector, CEO
Option Exercise
14,000$46.2383,100(D)

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Sep 21, 2026Sep 22 8:49 PMJohn Christopher MorrisEVP & CTO
Option Exercise
915$158.4017,378(D)

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Sep 14, 2026Sep 16 8:10 PMGianluca RomanoEVP & CFO
Option Exercise
90,380$0.000(D)

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Sep 14, 2026Sep 16 8:10 PMKian Fatt ChongEVP Global Operations
Option Exercise
14,470$0.000(D)

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Sep 14, 2026Sep 16 8:10 PMWilliam D MosleyDirector, CEO
Option Exercise
177,000$0.000(D)

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Sep 14, 2026Sep 16 8:10 PMBan Seng TehEVP & Chief Commercial Officer
Option Exercise
52,730$0.000(D)

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Sep 14, 2026Sep 16 8:10 PMJohn Christopher MorrisEVP & CTO
Option Exercise
30,130$0.000(D)

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Sep 11, 2026Sep 15 8:16 PMBan Seng TehEVP & Chief Commercial Officer
Option Exercise
989$0.003,956(D)

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Sep 11, 2026Sep 15 8:16 PMKian Fatt ChongEVP Global Operations
Option Exercise
678$0.002,714(D)

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Sep 11, 2026Sep 15 8:15 PMJohn Christopher MorrisEVP & CTO
Option Exercise
942$0.003,768(D)

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Sep 11, 2026Sep 15 8:15 PMGianluca RomanoEVP & CFO
Option Exercise
1,695$0.006,780(D)

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Sep 11, 2026Sep 15 8:15 PMGianluca RomanoEVP & CFO
Option Exercise
50,498$158.4040,317(D)

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Sep 11, 2026Sep 15 8:15 PMWilliam D MosleyDirector, CEO
Option Exercise
3,319$0.0013,276(D)

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Sep 9, 2026Sep 11 8:47 PMKian Fatt ChongEVP Global Operations
Option Exercise
581$0.003,033(D)

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Sep 9, 2026Sep 11 8:47 PMBan Seng TehEVP & Chief Commercial Officer
Option Exercise
1,263$0.005,306(D)

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Sep 9, 2026Sep 11 8:47 PMJohn Christopher MorrisEVP & CTO
Option Exercise
1,131$0.005,055(D)

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Sep 9, 2026Sep 11 8:46 PMGianluca RomanoEVP & CFO
Option Exercise
2,474$0.0012,128(D)

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Sep 9, 2026Sep 11 8:46 PMWilliam D MosleyDirector, CEO
Option Exercise
5,230$0.0019,328(D)

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Sep 1, 2026Sep 3 8:51 PMWilliam D MosleyDirector, CEO
Option Exercise
14,000$46.2397,100(D)

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Aug 24, 2026Aug 26 8:21 PMJames CI LeeEVP & CLO
Option Exercise
4,032$158.4012,096(D)

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