STX

SEC source: 0001137789-24-000056 · wk-form4_1718311391.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,042

F1 · shares: The sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on January 29, 2024 by the Reporting Person.

SEC source: 0001137789-24-000052 · wk-form4_1718138598.xml · derivative · entry 2

Chong Kian Fatt · CIK 0001987421 · SVP, Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,812

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_price: Each RSU represents a contingent right to receive one Ordinary Share of the Issuer.

F2 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

SEC source: 0001137789-24-000052 · wk-form4_1718138598.xml · nonDerivative · entry 1

Chong Kian Fatt · CIK 0001987421 · SVP, Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 603

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.

SEC source: 0001137789-24-000051 · wk-form4_1718138586.xml · derivative · entry 3

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,492

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.

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 Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

SEC source: 0001137789-24-000051 · wk-form4_1718138586.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,113

F1 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

SEC source: 0001137789-24-000051 · wk-form4_1718138586.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,266

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.

SEC source: 0001137789-24-000050 · wk-form4_1718138574.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,392

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

F2 · 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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

F2 · 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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

SEC source: 0001137789-24-000050 · wk-form4_1718138574.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,784

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.

SEC source: 0001137789-24-000049 · wk-form4_1718138564.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,331

Underlying: Ordinary Shares · 2,814 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_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 Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

SEC source: 0001137789-24-000049 · wk-form4_1718138564.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 673,945

F1 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

SEC source: 0001137789-24-000049 · wk-form4_1718138564.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 675,006

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.

SEC source: 0001137789-24-000048 · wk-form4_1718138553.xml · derivative · entry 3

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,624

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.

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 Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

SEC source: 0001137789-24-000048 · wk-form4_1718138553.xml · nonDerivative · entry 2

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,350

F1 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

SEC source: 0001137789-24-000048 · wk-form4_1718138553.xml · nonDerivative · entry 1

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,835

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.

SEC source: 0001137789-24-000038 · wk-form4_1715807677.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,185

F1 · shares: The sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on January 29, 2024 by the Reporting Person.

SEC source: 0001137789-24-000036 · wk-form4_1715212340.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,767

F1 · shares: The sales of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 6, 2024.

SEC source: 0001137789-24-000026 · wk-form4_1710276708.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,145

Underlying: Ordinary Shares · 2,814 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_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 Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

SEC source: 0001137789-24-000026 · wk-form4_1710276708.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 672,192

F1 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

SEC source: 0001137789-24-000026 · wk-form4_1710276708.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 673,192

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.

SEC source: 0001137789-24-000025 · wk-form4_1710276685.xml · derivative · entry 2

Chong Kian Fatt · CIK 0001987421 · SVP, Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,013

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_price: Each RSU represents a contingent right to receive one Ordinary Share of the Issuer.

F2 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

SEC source: 0001137789-24-000025 · wk-form4_1710276685.xml · nonDerivative · entry 1

Chong Kian Fatt · CIK 0001987421 · SVP, Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 402

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.

SEC source: 0001137789-24-000024 · wk-form4_1710276671.xml · derivative · entry 3

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,991

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.

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 Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

SEC source: 0001137789-24-000024 · wk-form4_1710276671.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,925

F1 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

SEC source: 0001137789-24-000024 · wk-form4_1710276671.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,105

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.

SEC source: 0001137789-24-000023 · wk-form4_1710276656.xml · derivative · entry 3

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,582

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.

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 Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

SEC source: 0001137789-24-000023 · wk-form4_1710276656.xml · nonDerivative · entry 2

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,877

F1 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

SEC source: 0001137789-24-000023 · wk-form4_1710276656.xml · nonDerivative · entry 1

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,362

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.

SEC source: 0001137789-24-000022 · wk-form4_1710276644.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,991

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

F2 · 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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

F2 · 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, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

SEC source: 0001137789-24-000022 · wk-form4_1710276644.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,888

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.

SEC source: 0001137789-24-000016 · wk-form4_1709676498.xml · nonDerivative · entry 1

Chong Kian Fatt · CIK 0001987421 · SVP, Global Operations

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 201

F1 · price: The sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on December 4, 2023, by the Reporting Person.

SEC source: 0001137789-24-000014 · wk-form4_1708722135.xml · derivative · entry 3

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,086

Underlying: Ordinary Shares · 14,042 shares

Expires 2026-02-22

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.

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"). Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on February 22, 2023, and each one year anniversary thereafter.

SEC source: 0001137789-24-000014 · wk-form4_1708722135.xml · nonDerivative · entry 2

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,404

F2 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of Restricted Share Units ("RSU").

SEC source: 0001137789-24-000014 · wk-form4_1708722135.xml · nonDerivative · entry 1

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,015

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 99 Ordinary Shares purchased by Reporting Person on January 31, 2024 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.

SEC source: 0001137789-24-000012 · wk-form4_1707512936.xml · nonDerivative · entry 1

Geldmacher Jay L · CIK 0001462488 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,681

SEC source: 0001137789-23-000154 · wk-form4_1702590120.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,289

F1 · shares: The sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on June 7, 2023 by the Reporting Person.

SEC source: 0001137789-23-000152 · wk-form4_1702417990.xml · derivative · entry 3

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,490

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.

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. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

SEC source: 0001137789-23-000152 · wk-form4_1702417990.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,606

F1 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

SEC source: 0001137789-23-000152 · wk-form4_1702417990.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · SVP, HDD & SDD Products & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,834

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.

SEC source: 0001137789-23-000151 · wk-form4_1702417979.xml · derivative · entry 2

Chong Kian Fatt · CIK 0001987421 · SVP, Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,214

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_price: Each RSU represents a contingent right to receive one Ordinary Share of the Issuer.

F2 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

SEC source: 0001137789-23-000151 · wk-form4_1702417979.xml · nonDerivative · entry 1

Chong Kian Fatt · CIK 0001987421 · SVP, Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,554

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.

SEC source: 0001137789-23-000150 · wk-form4_1702417967.xml · derivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,590

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.

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. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

SEC source: 0001137789-23-000150 · wk-form4_1702417967.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 34,289

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.

SEC source: 0001137789-23-000149 · wk-form4_1702417956.xml · derivative · entry 3

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,540

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.

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. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

SEC source: 0001137789-23-000149 · wk-form4_1702417956.xml · nonDerivative · entry 2

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,874

F1 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

SEC source: 0001137789-23-000149 · wk-form4_1702417956.xml · nonDerivative · entry 1

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,349

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.

SEC source: 0001137789-23-000148 · wk-form4_1702417945.xml · derivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,959

Underlying: Ordinary Shares · 2,814 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.

F4 · derivative.exercise_price: Each restricted share unit ("RSU") represents a contingent right to receive one Ordinary Share of the Issuer.

F5 · derivative.exercise_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

F5 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and then in equal quarterly installments thereafter.

SEC source: 0001137789-23-000148 · wk-form4_1702417945.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 670,378

F2 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

SEC source: 0001137789-23-000148 · wk-form4_1702417945.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 671,774

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.

SEC source: 0001137789-23-000147 · wk-form4_1702417935.xml · derivative · entry 3

SCHUELKE KATHERINE · CIK 0001209874 · SVP, CLO & Corporate Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,490

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.

F2 · derivative.exercise_price: Each 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. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

F3 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on September 9, 2023 and each quarter thereafter.

SEC source: 0001137789-23-000147 · wk-form4_1702417935.xml · nonDerivative · entry 2

SCHUELKE KATHERINE · CIK 0001209874 · SVP, CLO & Corporate Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,063

F1 · shares: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.