Form 4 Tracker
Seagate Technology Holdings plc
STX

60 insider filings · Latest: Aug 13, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 13, 2026Aug 14 8:52 PMBan Seng TehEVP & Chief Commercial Officer
Sale
7,361$920.80$6.8M2,931(D)

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Aug 13, 2026Aug 13 8:18 PMBAN SENG TEH
Proposed Sale
7,361$920.80$6.8M

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Aug 7, 2026Aug 11 8:21 PMGianluca RomanoEVP & CFO
Sale
880$845.12$743.7K20,663.25(D)

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Aug 7, 2026Aug 11 8:21 PMGianluca RomanoEVP & CFO
Sale
14,091$811.25$11.4M21,543.25(D)

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Aug 7, 2026Aug 11 8:21 PMGianluca RomanoEVP & CFO
Sale
7,240$781.64$5.7M35,634.25(D)

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Aug 7, 2026Aug 7 8:39 PMGIANLUCA ROMANO
Proposed Sale
22,211$852.95$18.9M

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Aug 3, 2026Aug 4 10:09 PMJohn Christopher MorrisEVP & CTO
Sale
168$817.76$137.4K11,920.25(D)

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Aug 3, 2026Aug 4 10:09 PMWilliam D MosleyDirector, CEO
Sale
17,080$827.30$14.1M295,517(D)

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Aug 3, 2026Aug 4 10:09 PMWilliam D MosleyDirector, CEO
Sale
12,920$803.47$10.4M312,597(D)

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Jul 30, 2026Aug 3 8:14 PMJames CI LeeEVP & CLO
Sale
694$877.45$609.0K346.75(D)

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Jul 30, 2026Jul 30 8:21 PMJAMES LEE
Proposed Sale
694$764.43$530.5K

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Jul 23, 2026Jul 24 8:18 PMJames CI LeeEVP & CLO
Sale
542.25$905.01$490.7K1,018.75(D)

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Jul 23, 2026Jul 23 9:50 PMLee James CI
Proposed Sale
543$903.76$490.7K

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Jul 1, 2026Jul 2 8:40 PMWilliam D MosleyDirector, CEO
Sale
9,343$924.42$8.6M311,517(D)

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Jul 1, 2026Jul 2 8:40 PMWilliam D MosleyDirector, CEO
Sale
20,657$910.48$18.8M320,860(D)

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Jun 12, 2026Jun 15 9:45 PMJohn Christopher MorrisEVP & CTO
Sale
1,364$880.19$1.2M12,088.25(D)

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Jun 12, 2026Jun 15 9:45 PMBan Seng TehEVP & Chief Commercial Officer
Sale
989$880.19$870.5K4,290(D)

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Jun 12, 2026Jun 15 9:44 PMGianluca RomanoEVP & CFO
Sale
903.25$880.19$795.0K42,860.25(D)

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Jun 12, 2026Jun 15 9:44 PMWilliam D MosleyDirector, CEO
Sale
1,768.25$880.19$1.6M327,517(D)

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Jun 12, 2026Jun 13 1:27 AMMorris John Christopher
Proposed Sale
466$868.09$404.5K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
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
1,2379,902(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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Jun 11, 2026Jun 15 9:44 PMWilliam D MosleyDirector, CEO
Option Exercise
3,319$0.0016,595(D)

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Jun 9, 2026Jun 11 8:29 PMKian Fatt ChongEVP Global Operations
Option Exercise
581$0.003,412(D)

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Jun 9, 2026Jun 11 8:29 PMBan Seng TehEVP & Chief Commercial Officer
Option Exercise
1,262$0.005,969(D)

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Jun 9, 2026Jun 11 8:29 PMJohn Christopher MorrisEVP & CTO
Option Exercise
1,130$0.005,686(D)

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Jun 9, 2026Jun 11 8:29 PMWilliam D MosleyDirector, CEO
Option Exercise
5,230$0.0021,743(D)

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Jun 9, 2026Jun 11 8:29 PMGianluca RomanoEVP & CFO
Option Exercise
2,474$0.0013,643(D)

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Jun 1, 2026Jun 2 9:16 PMWilliam D MosleyDirector, CEO
Option Exercise
14,000$46.23139,100(D)

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May 20, 2026May 21 8:52 PMWilliam D MosleyDirector, CEO
Option Exercise
14,000$46.23153,100(D)

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May 14, 2026May 14 8:52 PMBan Seng TehEVP & Chief Commercial Officer
Option Exercise
8,003$101.342,130(D)

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Apr 22, 2026Apr 23 8:54 PMJames CI LeeEVP & CLO
Option Exercise
1,23711,139(D)

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Mar 11, 2026Mar 12 8:11 PMBan Seng TehEVP & Chief Commercial Officer
Option Exercise
989$0.005,934(D)

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Mar 11, 2026Mar 12 8:11 PMGianluca RomanoEVP & CFO
Option Exercise
1,695$0.0010,170(D)

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Page 1 of 2

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