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Seagate Technology Holdings plc

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Tapewire entity
2029
SEC CIK
0001137789
Parsed reports
754

Last 12 months

Inside the activity.

0 purchase rows · 715 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 2025048
Dec 2025011
Jan 2026015
Feb 2026018
Mar 2026025
Apr 2026021
May 2026090
Jun 2026064
Jul 2026046
Aug 20260204
Sep 20260129
Oct 2026044

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
December 11, 2025 Filed Dec 12, 2025 21:18 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionOrdinary Shares 678 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000370 · wk-form4_1765574278.xml · nonDerivative · entry 1

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,258

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC Exercise / conversionRestricted Share Unit · Derivative 941 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000369 · wk-form4_1765574272.xml · derivative · entry 3

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,594

Underlying: Ordinary Shares · 941 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.

F1 · derivative.expiration_date: Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC Tax withholdingOrdinary Shares 430 $307.85 $132,373.35
Disclosure

SEC source: 0001137789-25-000369 · wk-form4_1765574272.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,363

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC Exercise / conversionOrdinary Shares 941 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000369 · wk-form4_1765574272.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,793

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 879 $0.00 Strike: $64.31 $0.00
Disclosure

SEC source: 0001137789-25-000368 · wk-form4_1765574264.xml · derivative · entry 7

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 18,454

Underlying: Ordinary Shares · 879 shares

Expires 2030-09-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. One-quarter of the options vested on September 11, 2024 and the remaining options vest in equal monthly installments over the 36 months following September 11, 2024.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 532 $0.00 Strike: $68.83 $0.00
Disclosure

SEC source: 0001137789-25-000368 · wk-form4_1765574264.xml · derivative · entry 6

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,793

Underlying: Ordinary Shares · 532 shares

Expires 2029-09-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. One-quarter of the options vested on September 9, 2023 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2023.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionRestricted Share Unit · Derivative 989 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000368 · wk-form4_1765574264.xml · derivative · entry 5

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,923

Underlying: Ordinary Shares · 989 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan ("the Plan"). Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.

F2 · derivative.expiration_date: Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan ("the Plan"). Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
Teh Ban SengEVP & Chief Commercial Officer
SaleOrdinary Shares 2,010 $295.90 $594,759.00
Disclosure

SEC source: 0001137789-25-000368 · wk-form4_1765574264.xml · nonDerivative · entry 4

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,693

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 879 $64.31 $56,528.49
Disclosure

SEC source: 0001137789-25-000368 · wk-form4_1765574264.xml · nonDerivative · entry 3

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,703

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 532 $68.83 $36,617.56
Disclosure

SEC source: 0001137789-25-000368 · wk-form4_1765574264.xml · nonDerivative · entry 2

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,824

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The option exercise and sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 31, 2024.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 989 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000368 · wk-form4_1765574264.xml · nonDerivative · entry 1

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,292

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionRestricted Share Unit · Derivative 3,319 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000367 · wk-form4_1765574258.xml · derivative · entry 3

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,233

Underlying: Ordinary Shares · 3,319 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.

F1 · derivative.expiration_date: Consists of a grant of restricted share unit awarded to the reporting person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, one-quarter vested starting on September 11, 2024 and then in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
MOSLEY WILLIAM DDirector · CEO
Tax withholdingOrdinary Shares 1,678 $307.85 $516,563.91
Disclosure

SEC source: 0001137789-25-000367 · wk-form4_1765574258.xml · nonDerivative · entry 2

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 449,895

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionOrdinary Shares 3,319 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000367 · wk-form4_1765574258.xml · nonDerivative · entry 1

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 451,573

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:05 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionRestricted Share Unit · Derivative 663 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000361 · wk-form4_1765487100.xml · derivative · entry 4

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,295

Underlying: Ordinary Shares · 663 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:05 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionRestricted Share Unit · Derivative 599 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000361 · wk-form4_1765487100.xml · derivative · entry 3

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,798

Underlying: Ordinary Shares · 599 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F1 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:05 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 663 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000361 · wk-form4_1765487100.xml · nonDerivative · entry 2

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,303

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:05 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 599 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000361 · wk-form4_1765487100.xml · nonDerivative · entry 1

Teh Ban Seng · CIK 0001801425 · EVP & Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,640

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionRestricted Share Unit · Derivative 379 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000360 · wk-form4_1765487094.xml · derivative · entry 4

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,170

Underlying: Ordinary Shares · 379 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionRestricted Share Unit · Derivative 201 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000360 · wk-form4_1765487094.xml · derivative · entry 3

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 606

Underlying: Ordinary Shares · 201 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F1 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionOrdinary Shares 379 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000360 · wk-form4_1765487094.xml · nonDerivative · entry 2

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 580

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionOrdinary Shares 201 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000360 · wk-form4_1765487094.xml · nonDerivative · entry 1

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Exercise / conversionRestricted Share Unit · Derivative 631 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000359 · wk-form4_1765487088.xml · derivative · entry 6

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,948

Underlying: Ordinary Shares · 631 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Exercise / conversionRestricted Share Unit · Derivative 499 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000359 · wk-form4_1765487088.xml · derivative · entry 5

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,498

Underlying: Ordinary Shares · 499 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F1 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Tax withholdingOrdinary Shares 288 $282.86 $81,463.68
Disclosure

SEC source: 0001137789-25-000359 · wk-form4_1765487088.xml · nonDerivative · entry 4

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,852

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Exercise / conversionOrdinary Shares 631 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000359 · wk-form4_1765487088.xml · nonDerivative · entry 3

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,140

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Tax withholdingOrdinary Shares 228 $282.86 $64,492.08
Disclosure

SEC source: 0001137789-25-000359 · wk-form4_1765487088.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,509

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Exercise / conversionOrdinary Shares 499 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000359 · wk-form4_1765487088.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,737

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Exercise / conversionRestricted Share Unit · Derivative 1,515 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000358 · wk-form4_1765487079.xml · derivative · entry 6

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,673

Underlying: Ordinary Shares · 1,515 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Exercise / conversionRestricted Share Unit · Derivative 958 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000358 · wk-form4_1765487079.xml · derivative · entry 5

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,876

Underlying: Ordinary Shares · 958 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F1 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Tax withholdingOrdinary Shares 766 $282.86 $216,670.76
Disclosure

SEC source: 0001137789-25-000358 · wk-form4_1765487079.xml · nonDerivative · entry 4

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,513

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Exercise / conversionOrdinary Shares 1,515 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000358 · wk-form4_1765487079.xml · nonDerivative · entry 3

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,279

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Tax withholdingOrdinary Shares 485 $282.86 $137,187.10
Disclosure

SEC source: 0001137789-25-000358 · wk-form4_1765487079.xml · nonDerivative · entry 2

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,764

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Exercise / conversionOrdinary Shares 958 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000358 · wk-form4_1765487079.xml · nonDerivative · entry 1

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,249

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionRestricted Share Unit · Derivative 2,415 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000357 · wk-form4_1765487073.xml · derivative · entry 6

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,573

Underlying: Ordinary Shares · 2,415 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the 2022 Plan. Subject to the Reporting Person's continuous employment one-quarter vested on September 9, 2025 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionRestricted Share Unit · Derivative 2,815 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000357 · wk-form4_1765487073.xml · derivative · entry 5

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,445

Underlying: Ordinary Shares · 2,815 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

F1 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan"). Subject to the Reporting Person's continuous employment, such RSUs vested as to one-quarter of the shares on September 9, 2023 and the remaining portion shall vest in equal quarterly installments over the following three years for a total vesting period of four years.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
MOSLEY WILLIAM DDirector · CEO
Tax withholdingOrdinary Shares 1,221 $282.86 $345,372.06
Disclosure

SEC source: 0001137789-25-000357 · wk-form4_1765487073.xml · nonDerivative · entry 4

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 448,254

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionOrdinary Shares 2,415 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000357 · wk-form4_1765487073.xml · nonDerivative · entry 3

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 449,475

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
MOSLEY WILLIAM DDirector · CEO
Tax withholdingOrdinary Shares 1,423 $282.86 $402,509.78
Disclosure

SEC source: 0001137789-25-000357 · wk-form4_1765487073.xml · nonDerivative · entry 2

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 447,060

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionOrdinary Shares 2,815 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000357 · wk-form4_1765487073.xml · nonDerivative · entry 1

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 448,483

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 02, 2025 Filed Dec 2, 2025 22:32 UTC SaleOrdinary Shares 750 $272.91 $204,682.50
Disclosure

SEC source: 0001137789-25-000346 · wk-form4_1764714751.xml · nonDerivative · entry 1

Conyers Yolanda Lee · CIK 0001906375 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,601

F1 · shares: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 4, 2025.

Read SEC document
December 01, 2025 Filed Dec 2, 2025 22:32 UTC
MOSLEY WILLIAM DDirector · CEO
SaleOrdinary Shares 100 $274.89 $27,489.00
Disclosure

SEC source: 0001137789-25-000345 · wk-form4_1764714746.xml · nonDerivative · entry 8

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 445,668

Read SEC document
December 01, 2025 Filed Dec 2, 2025 22:32 UTC
MOSLEY WILLIAM DDirector · CEO
SaleOrdinary Shares 800 $273.04 $218,432.00
Disclosure

SEC source: 0001137789-25-000345 · wk-form4_1764714746.xml · nonDerivative · entry 7

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 445,768

F8 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $272.81 to $273.35. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 01, 2025 Filed Dec 2, 2025 22:32 UTC
MOSLEY WILLIAM DDirector · CEO
SaleOrdinary Shares 5,894 $272.24 $1,604,606.14
Disclosure

SEC source: 0001137789-25-000345 · wk-form4_1764714746.xml · nonDerivative · entry 6

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 446,568

F7 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $271.78 to $272.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 01, 2025 Filed Dec 2, 2025 22:32 UTC
MOSLEY WILLIAM DDirector · CEO
SaleOrdinary Shares 5,718 $271.19 $1,550,655.27
Disclosure

SEC source: 0001137789-25-000345 · wk-form4_1764714746.xml · nonDerivative · entry 5

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 452,462

F6 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $270.78 to $271.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 01, 2025 Filed Dec 2, 2025 22:32 UTC
MOSLEY WILLIAM DDirector · CEO
SaleOrdinary Shares 5,338 $270.29 $1,442,828.84
Disclosure

SEC source: 0001137789-25-000345 · wk-form4_1764714746.xml · nonDerivative · entry 4

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 458,180

F5 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $269.78 to $270.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 01, 2025 Filed Dec 2, 2025 22:32 UTC
MOSLEY WILLIAM DDirector · CEO
SaleOrdinary Shares 650 $269.43 $175,130.35
Disclosure

SEC source: 0001137789-25-000345 · wk-form4_1764714746.xml · nonDerivative · entry 3

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 463,518

F4 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $268.78 to $269.71. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 01, 2025 Filed Dec 2, 2025 22:32 UTC
MOSLEY WILLIAM DDirector · CEO
SaleOrdinary Shares 407 $268.58 $109,310.31
Disclosure

SEC source: 0001137789-25-000345 · wk-form4_1764714746.xml · nonDerivative · entry 2

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 464,168

F3 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $267.76 to $268.73. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
December 01, 2025 Filed Dec 2, 2025 22:32 UTC
MOSLEY WILLIAM DDirector · CEO
SaleOrdinary Shares 1,093 $267.27 $292,124.80
Disclosure

SEC source: 0001137789-25-000345 · wk-form4_1764714746.xml · nonDerivative · entry 1

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 464,575

F1 · shares: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025.

F2 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $266.72 to $267.68. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
November 13, 2025 Filed Nov 14, 2025 21:09 UTC SaleOrdinary Shares 100 $275.69 $27,569.00
Disclosure

SEC source: 0001137789-25-000342 · wk-form4_1763154545.xml · nonDerivative · entry 13

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 48,291

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.