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
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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