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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
August 20, 2025 Filed Aug 22, 2025 22:02 UTC GrantRestricted Share Unit · Derivative 20,158 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000184 · wk-form4_1755900174.xml · derivative · entry 2

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,158

Underlying: Ordinary Shares · 20,158 shares

Expires not disclosed

F2 · derivative.exercise_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

F2 · derivative.expiration_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC GrantNQ Stock Option · Derivative 53,756 $0.00 Strike: $158.40 $0.00
Disclosure

SEC source: 0001137789-25-000184 · wk-form4_1755900174.xml · derivative · entry 1

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,756

Underlying: Ordinary Shares · 53,756 shares

Expires 2032-08-20

F1 · derivative.exercise_date: Options granted to the Reporting Person under the Seagate Technology plc 2022 Equity Incentive Plan the ("Plan") are subject to a four-year vesting schedule. Subject to continuous employment, 25% shall vest on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Teh Ban SengEVP & Chief Commercial Officer
GrantRestricted Share Unit · Derivative 2,279 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000183 · wk-form4_1755900166.xml · derivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,279

Underlying: Ordinary Shares · 2,279 shares

Expires not disclosed

F3 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Teh Ban SengEVP & Chief Commercial Officer
GrantRestricted Share Unit · Derivative 7,595 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000183 · wk-form4_1755900166.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,595

Underlying: Ordinary Shares · 7,595 shares

Expires not disclosed

F3 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Teh Ban SengEVP & Chief Commercial Officer
GrantRestricted Share Unit · Derivative 9,071 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000183 · wk-form4_1755900166.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,071

Underlying: Ordinary Shares · 9,071 shares

Expires not disclosed

F2 · derivative.exercise_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

F2 · derivative.expiration_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Teh Ban SengEVP & Chief Commercial Officer
GrantNQ Stock Option · Derivative 24,192 $0.00 Strike: $158.40 $0.00
Disclosure

SEC source: 0001137789-25-000183 · wk-form4_1755900166.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,192

Underlying: Ordinary Shares · 24,192 shares

Expires 2032-08-20

F1 · derivative.exercise_date: Options granted to the Reporting Person under the Seagate Technology plc 2022 Equity Incentive Plan the ("Plan") are subject to a four-year vesting schedule. Subject to continuous employment, 25% shall vest on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Chong Kian FattEVP Global Operations
GrantRestricted Share Unit · Derivative 1,278 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000182 · wk-form4_1755900159.xml · derivative · entry 4

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,278

Underlying: Ordinary Shares · 1,278 shares

Expires not disclosed

F3 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Chong Kian FattEVP Global Operations
GrantRestricted Share Unit · Derivative 4,258 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000182 · wk-form4_1755900159.xml · derivative · entry 3

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,258

Underlying: Ordinary Shares · 4,258 shares

Expires not disclosed

F3 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Chong Kian FattEVP Global Operations
GrantRestricted Share Unit · Derivative 5,241 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000182 · wk-form4_1755900159.xml · derivative · entry 2

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,241

Underlying: Ordinary Shares · 5,241 shares

Expires not disclosed

F2 · derivative.exercise_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

F2 · derivative.expiration_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Chong Kian FattEVP Global Operations
GrantNQ Stock Option · Derivative 13,976 $0.00 Strike: $158.40 $0.00
Disclosure

SEC source: 0001137789-25-000182 · wk-form4_1755900159.xml · derivative · entry 1

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,976

Underlying: Ordinary Shares · 13,976 shares

Expires 2032-08-20

F1 · derivative.exercise_date: Options granted to the Reporting Person under the Seagate Technology plc 2022 Equity Incentive Plan the ("Plan") are subject to a four-year vesting schedule. Subject to continuous employment, 25% shall vest on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Lee James CIEVP & CLO
GrantRestricted Share Unit · Derivative 1,710 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000181 · wk-form4_1755900151.xml · derivative · entry 4

Lee James CI · CIK 0001773423 · EVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,710

Underlying: Ordinary Shares · 1,710 shares

Expires not disclosed

F3 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Lee James CIEVP & CLO
GrantRestricted Share Unit · Derivative 5,698 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000181 · wk-form4_1755900151.xml · derivative · entry 3

Lee James CI · CIK 0001773423 · EVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,698

Underlying: Ordinary Shares · 5,698 shares

Expires not disclosed

F3 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs will vest on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Lee James CIEVP & CLO
GrantRestricted Share Unit · Derivative 6,048 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000181 · wk-form4_1755900151.xml · derivative · entry 2

Lee James CI · CIK 0001773423 · EVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,048

Underlying: Ordinary Shares · 6,048 shares

Expires not disclosed

F2 · derivative.exercise_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

F2 · derivative.expiration_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Plan, subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

Read SEC document
August 20, 2025 Filed Aug 22, 2025 22:02 UTC
Lee James CIEVP & CLO
GrantNQ Stock Option · Derivative 16,128 $0.00 Strike: $158.40 $0.00
Disclosure

SEC source: 0001137789-25-000181 · wk-form4_1755900151.xml · derivative · entry 1

Lee James CI · CIK 0001773423 · EVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,128

Underlying: Ordinary Shares · 16,128 shares

Expires 2032-08-20

F1 · derivative.exercise_date: Options granted to the Reporting Person under the Seagate Technology plc 2022 Equity Incentive Plan the ("Plan") are subject to a four-year vesting schedule. Subject to continuous employment, 25% shall vest on August 20, 2026 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.

Read SEC document
August 11, 2025 Filed Aug 12, 2025 22:15 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 879 $0.00 Strike: $64.31 $0.00
Disclosure

SEC source: 0001137789-25-000168 · wk-form4_1755036916.xml · derivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,969

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.

F4 · derivative.expiration_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
August 11, 2025 Filed Aug 12, 2025 22:15 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 313 $0.00 Strike: $87.34 $0.00
Disclosure

SEC source: 0001137789-25-000168 · wk-form4_1755036916.xml · derivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 313

Underlying: Ordinary Shares · 313 shares

Expires 2028-09-09

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 will vest on September 9, 2022 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2022.

F3 · derivative.expiration_date: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. One quarter of the options will vest on September 9, 2022 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2022.

Read SEC document
August 11, 2025 Filed Aug 12, 2025 22:15 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 532 $0.00 Strike: $68.83 $0.00
Disclosure

SEC source: 0001137789-25-000168 · wk-form4_1755036916.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 · 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.

F2 · 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.

F2 · derivative.expiration_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
August 11, 2025 Filed Aug 12, 2025 22:15 UTC
Teh Ban SengEVP & Chief Commercial Officer
SaleOrdinary Shares 1,724 $151.61 $261,375.64
Disclosure

SEC source: 0001137789-25-000168 · wk-form4_1755036916.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,147

Read SEC document
August 11, 2025 Filed Aug 12, 2025 22:15 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 879 $64.31 $56,528.49
Disclosure

SEC source: 0001137789-25-000168 · wk-form4_1755036916.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,871

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
August 11, 2025 Filed Aug 12, 2025 22:15 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 313 $87.34 $27,337.42
Disclosure

SEC source: 0001137789-25-000168 · wk-form4_1755036916.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,992

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
August 11, 2025 Filed Aug 12, 2025 22:15 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 532 $68.83 $36,617.56
Disclosure

SEC source: 0001137789-25-000168 · wk-form4_1755036916.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,679

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: All transactions 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
August 06, 2025 Filed Aug 7, 2025 20:14 UTC SaleOrdinary Shares 2,500 $150.50 $376,250.00
Disclosure

SEC source: 0001137789-25-000166 · wk-form4_1754597648.xml · nonDerivative · entry 1

Geldmacher Jay L · CIK 0001462488 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 352

Read SEC document
August 01, 2025 Filed Aug 4, 2025 20:29 UTC
Teh Ban SengEVP & Chief Commercial Officer
SaleOrdinary Shares 5,905 $155.00 $915,275.00
Disclosure

SEC source: 0001137789-25-000164 · wk-form4_1754339380.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,147

Read SEC document
August 01, 2025 Filed Aug 4, 2025 20:29 UTC
Lee James CIChief Legal Officer
SaleOrdinary Shares 1,116 $153.36 $171,149.76
Disclosure

SEC source: 0001137789-25-000163 · wk-form4_1754339372.xml · nonDerivative · entry 7

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 257

F8 · balance_after: Includes 85 Ordinary Shares purchased by Reporting Person on July 31, 2025 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934.

Read SEC document
August 01, 2025 Filed Aug 4, 2025 20:29 UTC
MOSLEY WILLIAM DDirector · Chief Executive Officer
SaleOrdinary Shares 500 $156.42 $78,212.00
Disclosure

SEC source: 0001137789-25-000162 · wk-form4_1754339365.xml · nonDerivative · entry 6

MOSLEY WILLIAM D · CIK 0001388390 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 478,912

F8 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $156.22 to $156.54. 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
August 01, 2025 Filed Aug 4, 2025 20:29 UTC
MOSLEY WILLIAM DDirector · Chief Executive Officer
SaleOrdinary Shares 1,346 $155.84 $209,759.29
Disclosure

SEC source: 0001137789-25-000162 · wk-form4_1754339365.xml · nonDerivative · entry 5

MOSLEY WILLIAM D · CIK 0001388390 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 479,412

F7 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $155.22 to $156.19. 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
August 01, 2025 Filed Aug 4, 2025 20:29 UTC
MOSLEY WILLIAM DDirector · Chief Executive Officer
SaleOrdinary Shares 4,825 $154.67 $746,275.51
Disclosure

SEC source: 0001137789-25-000162 · wk-form4_1754339365.xml · nonDerivative · entry 4

MOSLEY WILLIAM D · CIK 0001388390 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 480,758

F6 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $154.17 to $155.07. 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
August 01, 2025 Filed Aug 4, 2025 20:29 UTC
MOSLEY WILLIAM DDirector · Chief Executive Officer
SaleOrdinary Shares 8,311 $153.67 $1,277,167.16
Disclosure

SEC source: 0001137789-25-000162 · wk-form4_1754339365.xml · nonDerivative · entry 3

MOSLEY WILLIAM D · CIK 0001388390 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 485,583

F5 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $153.17 to $154.16. 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
August 01, 2025 Filed Aug 4, 2025 20:29 UTC
MOSLEY WILLIAM DDirector · Chief Executive Officer
SaleOrdinary Shares 2,544 $152.68 $388,419.70
Disclosure

SEC source: 0001137789-25-000162 · wk-form4_1754339365.xml · nonDerivative · entry 2

MOSLEY WILLIAM D · CIK 0001388390 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 493,894

F4 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $152.15 to $153.11. 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
August 01, 2025 Filed Aug 4, 2025 20:29 UTC
MOSLEY WILLIAM DDirector · Chief Executive Officer
SaleOrdinary Shares 2,474 $151.63 $375,129.16
Disclosure

SEC source: 0001137789-25-000162 · wk-form4_1754339365.xml · nonDerivative · entry 1

MOSLEY WILLIAM D · CIK 0001388390 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 496,438

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 $151.13 to $152.09. 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.

F3 · balance_after: Includes 202 Ordinary Shares purchased by Reporting Person on July 31, 2025 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934.

Read SEC document
July 31, 2025 Filed Aug 4, 2025 20:29 UTC
Lee James CIChief Legal Officer
SaleOrdinary Shares 1,593 $156.57 $249,419.20
Disclosure

SEC source: 0001137789-25-000163 · wk-form4_1754339372.xml · nonDerivative · entry 6

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,288

F7 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $156.15 to $157.05. 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.

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July 31, 2025 Filed Aug 4, 2025 20:29 UTC
Lee James CIChief Legal Officer
SaleOrdinary Shares 671 $155.46 $104,313.32
Disclosure

SEC source: 0001137789-25-000163 · wk-form4_1754339372.xml · nonDerivative · entry 5

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,881

F6 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $155.01 to $155.85. 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.

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July 31, 2025 Filed Aug 4, 2025 20:29 UTC
Lee James CIChief Legal Officer
SaleOrdinary Shares 499 $153.85 $76,773.25
Disclosure

SEC source: 0001137789-25-000163 · wk-form4_1754339372.xml · nonDerivative · entry 4

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,552

F5 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $153.53 to $154.50. 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.

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July 31, 2025 Filed Aug 4, 2025 20:29 UTC
Lee James CIChief Legal Officer
SaleOrdinary Shares 246 $152.59 $37,536.08
Disclosure

SEC source: 0001137789-25-000163 · wk-form4_1754339372.xml · nonDerivative · entry 3

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,051

F4 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $151.98 to $152.78. 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.

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July 31, 2025 Filed Aug 4, 2025 20:29 UTC
Lee James CIChief Legal Officer
SaleOrdinary Shares 300 $150.60 $45,179.01
Disclosure

SEC source: 0001137789-25-000163 · wk-form4_1754339372.xml · nonDerivative · entry 2

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,297

F3 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $150.31 to $151.03. 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.

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July 31, 2025 Filed Aug 4, 2025 20:29 UTC
Lee James CIChief Legal Officer
SaleOrdinary Shares 200 $148.87 $29,774.00
Disclosure

SEC source: 0001137789-25-000163 · wk-form4_1754339372.xml · nonDerivative · entry 1

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,597

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 January 24, 2025.

F2 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $148.80 to $148.94. 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.

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July 22, 2025 Filed Jul 24, 2025 20:56 UTC
Lee James CIChief Legal Officer
Exercise / conversionRestricted Share Unit · Derivative 4,950 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000140 · wk-form4_1753390562.xml · derivative · entry 6

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,850

Underlying: Ordinary Shares · 4,950 shares

Expires 2028-07-22

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_price: Each restricted share unit ("RSU") represents a contingent right to receive one Ordinary Share of the Issuer.

F4 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. Such RSUs vested as to one-quarter of the shares on July 22, 2025 and then in equal quarterly installments thereafter.

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July 22, 2025 Filed Jul 24, 2025 20:56 UTC
Lee James CIChief Legal Officer
Exercise / conversionRestricted Share Unit · Derivative 1,980 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000140 · wk-form4_1753390562.xml · derivative · entry 5

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 1,980 shares

Expires 2025-07-22

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_price: Each restricted share unit ("RSU") represents a contingent right to receive one Ordinary Share of the Issuer.

F3 · 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") . 100% of such RSUs vested on July 22, 2025, the first anniversary of the grant date.

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July 22, 2025 Filed Jul 24, 2025 20:56 UTC
Lee James CIChief Legal Officer
Tax withholdingOrdinary Shares 1,441 $146.59 $211,236.19
Disclosure

SEC source: 0001137789-25-000140 · wk-form4_1753390562.xml · nonDerivative · entry 4

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,797

Read SEC document
July 22, 2025 Filed Jul 24, 2025 20:56 UTC
Lee James CIChief Legal Officer
Exercise / conversionOrdinary Shares 4,950 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000140 · wk-form4_1753390562.xml · nonDerivative · entry 3

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,238

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
July 22, 2025 Filed Jul 24, 2025 20:56 UTC
Lee James CIChief Legal Officer
Tax withholdingOrdinary Shares 864 $146.59 $126,653.76
Disclosure

SEC source: 0001137789-25-000140 · wk-form4_1753390562.xml · nonDerivative · entry 2

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,288

Read SEC document
July 22, 2025 Filed Jul 24, 2025 20:56 UTC
Lee James CIChief Legal Officer
Exercise / conversionOrdinary Shares 1,980 $0.00 $0.00
Disclosure

SEC source: 0001137789-25-000140 · wk-form4_1753390562.xml · nonDerivative · entry 1

Lee James CI · CIK 0001773423 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,152

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 · balance_after: Includes 172 Ordinary Shares purchased by Reporting Person on January 31, 2025 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934.

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July 11, 2025 Filed Jul 15, 2025 21:19 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 313 $0.00 Strike: $87.34 $0.00
Disclosure

SEC source: 0001137789-25-000137 · wk-form4_1752614377.xml · derivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 626

Underlying: Ordinary Shares · 313 shares

Expires 2028-09-09

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.

F4 · derivative.exercise_date: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one quarter of the options vested on September 9, 2022 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2022.

F4 · derivative.expiration_date: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, one quarter of the options vested on September 9, 2022 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2022.

Read SEC document
July 11, 2025 Filed Jul 15, 2025 21:19 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 879 $0.00 Strike: $64.31 $0.00
Disclosure

SEC source: 0001137789-25-000137 · wk-form4_1752614377.xml · derivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,848

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.

F3 · derivative.exercise_date: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, 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.

F3 · derivative.expiration_date: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, 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
July 11, 2025 Filed Jul 15, 2025 21:19 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 533 $0.00 Strike: $68.83 $0.00
Disclosure

SEC source: 0001137789-25-000137 · wk-form4_1752614377.xml · derivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,455

Underlying: Ordinary Shares · 533 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.

F2 · derivative.exercise_date: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, 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.

F2 · derivative.expiration_date: Options granted to the Reporting Person under the Plan are subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, 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
July 11, 2025 Filed Jul 15, 2025 21:19 UTC
Teh Ban SengEVP & Chief Commercial Officer
SaleOrdinary Shares 1,725 $144.00 $248,400.00
Disclosure

SEC source: 0001137789-25-000137 · wk-form4_1752614377.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,052

Read SEC document
July 11, 2025 Filed Jul 15, 2025 21:19 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 313 $87.34 $27,337.42
Disclosure

SEC source: 0001137789-25-000137 · wk-form4_1752614377.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,777

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
July 11, 2025 Filed Jul 15, 2025 21:19 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 879 $64.31 $56,528.49
Disclosure

SEC source: 0001137789-25-000137 · wk-form4_1752614377.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,464

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
July 11, 2025 Filed Jul 15, 2025 21:19 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 533 $68.83 $36,686.39
Disclosure

SEC source: 0001137789-25-000137 · wk-form4_1752614377.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,585

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: All transactions 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
July 01, 2025 Filed Jul 2, 2025 20:49 UTC
MOSLEY WILLIAM DDirector · Chief Executive Officer
SaleOrdinary Shares 10,966 $145.26 $1,592,914.58
Disclosure

SEC source: 0001137789-25-000132 · wk-form4_1751489355.xml · nonDerivative · entry 3

MOSLEY WILLIAM D · CIK 0001388390 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 498,710

F4 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $144.89 to $145.73. 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.

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