Tapewire

Nasdaq · USD

STX

Seagate Technology Holdings plc

Export transactions ↓
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

JSON API
Reset

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, 2026 Filed Aug 24, 2026 21:11 UTC
Lee James CIEVP & CLO
Exercise / conversionOrdinary Shares 1,512 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000185 · wk-form4_1787605868.xml · nonDerivative · entry 1

Lee James CI · CIK 0001773423 · EVP & CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,858.75

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 20, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
GrantNQ Stock Option · Derivative 3,788 $0.00 Strike: $850.24 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · derivative · entry 10

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,788

Underlying: Ordinary Shares · 3,788 shares

Expires 2033-08-20

F5 · derivative.exercise_date: Consists of Options awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vest as to one-quarter of the shares on August 20, 2027 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, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
GrantRestricted Share Unit · Derivative 311 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · derivative · entry 9

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 311

Underlying: Ordinary Shares · 311 shares

Expires not disclosed

F4 · 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, 2027.

F4 · 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, 2027.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
GrantRestricted Share Unit · Derivative 1,036 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · derivative · entry 8

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,036

Underlying: Ordinary Shares · 1,036 shares

Expires not disclosed

F4 · 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, 2027.

F4 · 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, 2027.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
GrantRestricted Share Unit · Derivative 1,420 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · derivative · entry 7

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,420

Underlying: Ordinary Shares · 1,420 shares

Expires not disclosed

F3 · derivative.exercise_date: Consists of a grant of RSUs 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, 2027 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 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, 2027 and then in equal quarterly installments thereafter.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionRestricted Share Unit · Derivative 1,278 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · derivative · entry 6

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 1,278 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 Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

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, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionRestricted Share Unit · Derivative 4,258 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · derivative · entry 5

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 4,258 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 Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

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, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionRestricted Share Unit · Derivative 1,310 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · derivative · entry 4

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,931

Underlying: Ordinary Shares · 1,310 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 (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 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.

F1 · derivative.expiration_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 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, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionOrdinary Shares 1,278 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · nonDerivative · entry 3

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,364

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 20, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionOrdinary Shares 4,258 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · nonDerivative · entry 2

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,086

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 20, 2026 Filed Aug 24, 2026 21:11 UTC
Chong Kian FattEVP Global Operations
Exercise / conversionOrdinary Shares 1,310 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000184 · wk-form4_1787605862.xml · nonDerivative · entry 1

Chong Kian Fatt · CIK 0001987421 · EVP Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,828

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 20, 2026 Filed Aug 24, 2026 21:10 UTC GrantNQ Stock Options · Derivative 11,360 $0.00 Strike: $850.24 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · derivative · entry 13

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,360

Underlying: Ordinary Shares · 11,360 shares

Expires not disclosed

F5 · derivative.exercise_date: Consists of Options awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vest as to one-quarter of the shares on August 20, 2027 and the remaining portion shall vest in equal monthly installments over the following three years for a total vesting period of four years.

F5 · derivative.expiration_date: Consists of Options awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vest as to one-quarter of the shares on August 20, 2027 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, 2026 Filed Aug 24, 2026 21:10 UTC GrantRestricted Share Unit · Derivative 543 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · derivative · entry 12

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 543

Underlying: Ordinary Shares · 543 shares

Expires not disclosed

F4 · 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, 2027.

F4 · 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, 2027.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC GrantRestricted Share Unit · Derivative 1,810 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · derivative · entry 11

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,810

Underlying: Ordinary Shares · 1,810 shares

Expires not disclosed

F4 · 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, 2027.

F4 · 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, 2027.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC GrantRestricted Share Unit · Derivative 4,259 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · derivative · entry 10

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,259

Underlying: Ordinary Shares · 4,259 shares

Expires not disclosed

F3 · derivative.exercise_date: Consists of a grant of RSUs 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, 2027 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 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, 2027 and then in equal quarterly installments thereafter.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC Exercise / conversionRestricted Share Unit · Derivative 2,739 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · derivative · entry 9

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 2,739 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 Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

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, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC Exercise / conversionRestricted Share Unit · Derivative 9,129 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · derivative · entry 8

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 9,129 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 Plan. Subject to the Reporting Person's continuous employment, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

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, 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC Exercise / conversionRestricted Share Unit · Derivative 5,039 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · derivative · entry 7

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,119

Underlying: Ordinary Shares · 5,039 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 (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 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.

F1 · derivative.expiration_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 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, 2026 Filed Aug 24, 2026 21:10 UTC Exercise / conversionOrdinary Shares 2,739 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · nonDerivative · entry 5

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,964.5

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 20, 2026 Filed Aug 24, 2026 21:10 UTC Exercise / conversionOrdinary Shares 9,129 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · nonDerivative · entry 3

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,126.25

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 20, 2026 Filed Aug 24, 2026 21:10 UTC Exercise / conversionOrdinary Shares 5,039 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000183 · wk-form4_1787605856.xml · nonDerivative · entry 1

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,702.25

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 20, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
GrantNQ Stock Option · Derivative 31,856 $0.00 Strike: $850.24 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · derivative · entry 13

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,856

Underlying: Ordinary Shares · 31,856 shares

Expires 2033-08-20

F5 · derivative.exercise_date: Consists of Options awarded to the Reporting Person under the Plan subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such Options vest as to one-quarter of the shares on August 20, 2027 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, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
GrantRestricted Share Unit · Derivative 1,584 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · derivative · entry 12

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,584

Underlying: Ordinary Shares · 1,584 shares

Expires not disclosed

F4 · 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, 2027.

F4 · 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, 2027.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
GrantRestricted Share Unit · Derivative 5,280 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · derivative · entry 11

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,280

Underlying: Ordinary Shares · 5,280 shares

Expires not disclosed

F4 · 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, 2027.

F4 · 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, 2027.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
GrantRestricted Share Unit · Derivative 5,309 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · derivative · entry 10

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,309

Underlying: Ordinary Shares · 5,309 shares

Expires not disclosed

F3 · derivative.exercise_date: Consists of a grant of RSUs 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, 2027 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 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, 2027 and then in equal quarterly installments thereafter.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionRestricted Share Unit · Derivative 21,065 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · derivative · entry 9

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 21,065 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 Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionRestricted Share Unit · Derivative 6,320 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · derivative · entry 8

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 6,320 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 Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

F2 · derivative.expiration_date: Consists of a grant of RSUs awarded to the Reporting Person under the Plan. 100% of such RSUs vested on the first anniversary of the grant date, August 20, 2026.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionRestricted Share Unit · Derivative 6,404 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · derivative · entry 7

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,213

Underlying: Ordinary Shares · 6,404 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 (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 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.

F1 · derivative.expiration_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 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, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionOrdinary Shares 6,320 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · nonDerivative · entry 5

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,560.25

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 20, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionOrdinary Shares 21,065 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · nonDerivative · entry 3

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 319,548.25

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 20, 2026 Filed Aug 24, 2026 21:10 UTC
MOSLEY WILLIAM DDirector · CEO
Exercise / conversionOrdinary Shares 6,404 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000182 · wk-form4_1787605850.xml · nonDerivative · entry 1

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 301,921

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 13, 2026 Filed Aug 14, 2026 20:52 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 1,769 $0.00 Strike: $101.34 $0.00
Disclosure

SEC source: 0001137789-26-000173 · wk-form4_1786740720.xml · derivative · entry 8

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,740

Underlying: Ordinary Shares · 1,769 shares

Expires 2031-09-09

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. One-quarter of the options vested on September 9, 2025 and the remaining options vest in equal monthly installments over the 36 months following September 9, 2025.

Read SEC document
August 13, 2026 Filed Aug 14, 2026 20:52 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 2,636 $0.00 Strike: $64.31 $0.00
Disclosure

SEC source: 0001137789-26-000173 · wk-form4_1786740720.xml · derivative · entry 7

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,424

Underlying: Ordinary Shares · 2,636 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. 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 13, 2026 Filed Aug 14, 2026 20:52 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionNQ Options · Derivative 1,597 $0.00 Strike: $68.83 $0.00
Disclosure

SEC source: 0001137789-26-000173 · wk-form4_1786740720.xml · derivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 533

Underlying: Ordinary Shares · 1,597 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 Seagate Technology plc 2022 Equity Incentive Plan (the "2022 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 13, 2026 Filed Aug 14, 2026 20:52 UTC
Teh Ban SengEVP & Chief Commercial Officer
SaleOrdinary Shares 1,359 $923.73 $1,255,347.85
Disclosure

SEC source: 0001137789-26-000173 · wk-form4_1786740720.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,931

F1 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $923.43 to $923.77. 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 13, 2026 Filed Aug 14, 2026 20:52 UTC
Teh Ban SengEVP & Chief Commercial Officer
SaleOrdinary Shares 6,002 $920.14 $5,522,680.28
Disclosure

SEC source: 0001137789-26-000173 · wk-form4_1786740720.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,290

Read SEC document
August 13, 2026 Filed Aug 14, 2026 20:52 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 1,769 $101.34 $179,270.46
Disclosure

SEC source: 0001137789-26-000173 · wk-form4_1786740720.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,292

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
August 13, 2026 Filed Aug 14, 2026 20:52 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 2,636 $64.31 $169,521.16
Disclosure

SEC source: 0001137789-26-000173 · wk-form4_1786740720.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,523

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 13, 2026 Filed Aug 14, 2026 20:52 UTC
Teh Ban SengEVP & Chief Commercial Officer
Exercise / conversionOrdinary Shares 1,597 $68.83 $109,921.51
Disclosure

SEC source: 0001137789-26-000173 · wk-form4_1786740720.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,887

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 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 240 $850.04 $204,010.01
Disclosure

SEC source: 0001137789-26-000171 · wk-form4_1786479676.xml · nonDerivative · entry 8

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,663.25

F4 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $849.85 to $850.80. 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 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 160 $849.03 $135,844.80
Disclosure

SEC source: 0001137789-26-000171 · wk-form4_1786479676.xml · nonDerivative · entry 7

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,903.25

F3 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $848.69 to $849.37. 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 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 80 $846.73 $67,738.00
Disclosure

SEC source: 0001137789-26-000171 · wk-form4_1786479676.xml · nonDerivative · entry 6

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,063.25

F2 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $846.46 to $846.99. 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 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 40 $844.40 $33,776.00
Disclosure

SEC source: 0001137789-26-000171 · wk-form4_1786479676.xml · nonDerivative · entry 5

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,143.25

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 80 $842.86 $67,428.80
Disclosure

SEC source: 0001137789-26-000171 · wk-form4_1786479676.xml · nonDerivative · entry 4

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,183.25

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 120 $841.16 $100,939.20
Disclosure

SEC source: 0001137789-26-000171 · wk-form4_1786479676.xml · nonDerivative · entry 3

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,263.25

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 80 $838.84 $67,107.20
Disclosure

SEC source: 0001137789-26-000171 · wk-form4_1786479676.xml · nonDerivative · entry 2

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,383.25

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 80 $835.77 $66,861.60
Disclosure

SEC source: 0001137789-26-000171 · wk-form4_1786479676.xml · nonDerivative · entry 1

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,463.25

F1 · shares: All sales transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 30, 2026

Read SEC document
August 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 280 $831.25 $232,749.61
Disclosure

SEC source: 0001137789-26-000170 · wk-form4_1786479668.xml · nonDerivative · entry 28

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,543.25

F28 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $831.05 to $832.04. 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 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 240 $829.74 $199,137.60
Disclosure

SEC source: 0001137789-26-000170 · wk-form4_1786479668.xml · nonDerivative · entry 27

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,823.25

F27 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $829.14 to $830.04. 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 07, 2026 Filed Aug 11, 2026 20:21 UTC SaleOrdinary Shares 40 $827.88 $33,115.20
Disclosure

SEC source: 0001137789-26-000170 · wk-form4_1786479668.xml · nonDerivative · entry 26

Romano Gianluca · CIK 0001764650 · EVP & CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,063.25

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.