SEC INSIDER TRANSACTIONS

Seagate Technology Holdings plc (STX) Insider Transactions

Explore official ownership filings, with every record linked to its source.

Reported data · not live

STX · Seagate Technology Holdings plc

Filing window SEC codes (comma separated) Security type Order

More transaction filters

Roles: director,officer,ten_percent_owner,otherOwner nameOfficer titleOwnership: D, I, unknownoriginal or amendedTransaction fromTransaction throughFiled fromFiled throughMinimum quantityMaximum quantityMinimum priceMaximum priceMinimum calculated valueMaximum calculated valueResults per page (1–100)

OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

Reset filters

Stale snapshot · Covered: filings 2026-10-15 to 2026-11-13 · 14 filings · fetched 2026-11-13T20:00:40Z

View six-calendar-month insider history →

Recent reported activity

0purchase rows on this page

18sale rows on this page

110matching filing rows

Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F12	S Sale (market/private)Ordinary Shares · Non-derivative	68D	659.56	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F11	S Sale (market/private)Ordinary Shares · Non-derivative	80D	658.56	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F10	S Sale (market/private)Ordinary Shares · Non-derivative	160D	656.99	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References:	S Sale (market/private)Ordinary Shares · Non-derivative	40D	655.51	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F9	S Sale (market/private)Ordinary Shares · Non-derivative	995D	653.7794	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References:	S Sale (market/private)Ordinary Shares · Non-derivative	40D	648.57	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F8	S Sale (market/private)Ordinary Shares · Non-derivative	80D	646.955	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References:	S Sale (market/private)Ordinary Shares · Non-derivative	40D	645.45	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F7	S Sale (market/private)Ordinary Shares · Non-derivative	80D	643.35	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References:	S Sale (market/private)Ordinary Shares · Non-derivative	40D	641.84	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References:	S Sale (market/private)Ordinary Shares · Non-derivative	40D	639.76	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References:	S Sale (market/private)Ordinary Shares · Non-derivative	40D	636.3	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F6	S Sale (market/private)Ordinary Shares · Non-derivative	80D	635.535	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F5	S Sale (market/private)Ordinary Shares · Non-derivative	160D	633.22	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F4	S Sale (market/private)Ordinary Shares · Non-derivative	118D	631.6914	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F3	S Sale (market/private)Ordinary Shares · Non-derivative	82D	630.1871	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References:	S Sale (market/private)Ordinary Shares · Non-derivative	40D	628.28	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References: F1, F2	S Sale (market/private)Ordinary Shares · Non-derivative	80D	626.41	Direct	Form 4 ↗0001137789-26-000316
2026-10-30Filed 2026-11-03	Morris John ChristopherOfficer · EVP & CTO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026. F2 These Ordinary Shares were sold in multiple trades at prices ranging from $625.99 to $626.83. 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 These Ordinary Shares were sold in multiple trades at prices ranging from $629.72 to $630.64. 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. F4 These Ordinary Shares were sold in multiple trades at prices ranging from $631.34 to $632.31. 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. F5 These Ordinary Shares were sold in multiple trades at prices ranging from $632.89 to $633.51. 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. F6 These Ordinary Shares were sold in multiple trades at prices ranging from $635.13 to $635.94. 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. F7 These Ordinary Shares were sold in multiple trades at prices ranging from $642.96 to $643.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F8 These Ordinary Shares were sold in multiple trades at prices ranging from $646.71 to $647.20. 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. F9 These Ordinary Shares were sold in multiple trades at prices ranging from $653.74 to $654.49. 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. F10 These Ordinary Shares were sold in multiple trades at prices ranging from $656.64 to $657.46. 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. F11 These Ordinary Shares were sold in multiple trades at prices ranging from $658.36 to $658.76. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected. F12 These Ordinary Shares were sold in multiple trades at prices ranging from $659.49 to $659.66. 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. F13 These Ordinary Shares were sold in multiple trades at prices ranging from $660.53 to $661.03. 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. F14 These Ordinary Shares were sold in multiple trades at prices ranging from $664.68 to $665.43. 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. F15 These Ordinary Shares were sold in multiple trades at prices ranging from $669.81 to $670.55. 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. F16 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. Subject to continuous employment, one quarter 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. References:	M Exercise / conversionOrdinary Shares · Non-derivative	915A	158.4	Direct	Form 4 ↗0001137789-26-000316
2026-10-24Filed 2026-10-26	Adams MarkDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 25, 2025 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. F2 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 24, 2026 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 2, 2027, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. References: F2	A Award / grantRestricted Share Unit · Derivative	345A	0	Direct	Form 4 ↗0001137789-26-000288
2026-10-24Filed 2026-10-26	Adams MarkDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 25, 2025 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. F2 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 24, 2026 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 2, 2027, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. References: F1	M Exercise / conversionRestricted Share Unit · Derivative	1,580D	0	Direct	Form 4 ↗0001137789-26-000288
2026-10-24Filed 2026-10-26	Adams MarkDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 25, 2025 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. F2 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 24, 2026 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 2, 2027, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. References:	F WithholdingOrdinary Shares · Non-derivative	380D	630.49	Direct	Form 4 ↗0001137789-26-000288
2026-10-24Filed 2026-10-26	Adams MarkDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 25, 2025 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. F2 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 24, 2026 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 2, 2027, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. References:	M Exercise / conversionOrdinary Shares · Non-derivative	1,580A	0	Direct	Form 4 ↗0001137789-26-000288
2026-10-24Filed 2026-10-26	Arumugavelu ShankarDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 25, 2025 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. References: F1	M Exercise / conversionRestricted Share Unit · Derivative	1,580D	0	Direct	Form 4 ↗0001137789-26-000289
2026-10-24Filed 2026-10-26	Arumugavelu ShankarDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Consists of a grant of restricted share units (RSUs) awarded to the Reporting Person on October 25, 2025 under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "Plan") for no consideration. Each RSU represents a contingent right to receive one Ordinary Share of the Issuer. Subject to the Reporting Person's continuous service with the Issuer, shares will be released to the Reporting Person on the earlier of (i) one year from the date of grant and (ii) the date of the next annual general meeting of shareholders of the Issuer following the end of the fiscal year ending on July 3, 2026, provided such annual general meeting is at least fifty (50) weeks after the immediately preceding fiscal year's annual general meeting. References:	F WithholdingOrdinary Shares · Non-derivative	380D	630.49	Direct	Form 4 ↗0001137789-26-000289

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.