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person · Reporting owner

Morris John Christopher

Disclosed activity across 1 company

Tapewire entity
20491
SEC CIK
0001988271

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Seagate Technology Holdings plcSTX · Entity 2029EVP & CTOSeptember 21, 2026September 22, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Seagate Technology Holdings plc

Report date September 21, 2026 · Filed September 22, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Ordinary SharesSEC Table I · non-derivativeDirect22,693.25 Ending reported balance After 2026-09-21 transaction · row 27
27 source rows · reconciled sequence

Row 1 · 2026-09-21 · Exercise / conversion · Acquired 915 · Balance 32,047.25

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.

Row 2 · 2026-09-21 · Sale · Disposed 40 · Balance 32,007.25

Row 3 · 2026-09-21 · Sale · Disposed 80 · Balance 31,927.25

F2: These Ordinary Shares were sold in multiple trades at prices ranging from $864.79 to $865.43. 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.

Row 4 · 2026-09-21 · Sale · Disposed 40 · Balance 31,887.25

Row 5 · 2026-09-21 · Sale · Disposed 160 · Balance 31,727.25

F3: These Ordinary Shares were sold in multiple trades at prices ranging from $867.77 to $868.44. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 6 · 2026-09-21 · Sale · Disposed 80 · Balance 31,647.25

F4: These Ordinary Shares were sold in multiple trades at prices ranging from $868.79 to $869.47. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 7 · 2026-09-21 · Sale · Disposed 200 · Balance 31,447.25

F5: These Ordinary Shares were sold in multiple trades at prices ranging from $869.82 to $870.80. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 8 · 2026-09-21 · Sale · Disposed 520 · Balance 30,927.25

F6: These Ordinary Shares were sold in multiple trades at prices ranging from $870.89 to $871.77. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 9 · 2026-09-21 · Sale · Disposed 1,000 · Balance 29,927.25

F7: These Ordinary Shares were sold in multiple trades at prices ranging from $871.91 to $872.90. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 10 · 2026-09-21 · Sale · Disposed 1,040 · Balance 28,887.25

F8: These Ordinary Shares were sold in multiple trades at prices ranging from $872.94 to $873.93. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 11 · 2026-09-21 · Sale · Disposed 986 · Balance 27,901.25

F9: These Ordinary Shares were sold in multiple trades at prices ranging from $873.96 to $874.94. 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.

Row 12 · 2026-09-21 · Sale · Disposed 974 · Balance 26,927.25

F10: These Ordinary Shares were sold in multiple trades at prices ranging from $874.98 to $875.96. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 13 · 2026-09-21 · Sale · Disposed 760 · Balance 26,167.25

F11: These Ordinary Shares were sold in multiple trades at prices ranging from $875.99 to $876.93. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 14 · 2026-09-21 · Sale · Disposed 418 · Balance 25,749.25

F12: These Ordinary Shares were sold in multiple trades at prices ranging from $876.99 to $877.76. 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.

Row 15 · 2026-09-21 · Sale · Disposed 280 · Balance 25,469.25

F13: These Ordinary Shares were sold in multiple trades at prices ranging from $878.01 to $878.82. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 16 · 2026-09-21 · Sale · Disposed 200 · Balance 25,269.25

F14: These Ordinary Shares were sold in multiple trades at prices ranging from $879.58 to $879.90. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 17 · 2026-09-21 · Sale · Disposed 741 · Balance 24,528.25

F15: These Ordinary Shares were sold in multiple trades at prices ranging from $880.62 to $881.54. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 18 · 2026-09-21 · Sale · Disposed 200 · Balance 24,328.25

F16: These Ordinary Shares were sold in multiple trades at prices ranging from $881.65 to $882.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 19 · 2026-09-21 · Sale · Disposed 320 · Balance 24,008.25

F17: These Ordinary Shares were sold in multiple trades at prices ranging from $882.78 to $883.77. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 20 · 2026-09-21 · Sale · Disposed 40 · Balance 23,968.25

Row 21 · 2026-09-21 · Sale · Disposed 120 · Balance 23,848.25

F18: These Ordinary Shares were sold in multiple trades at prices ranging from $887.75 to $888.25. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 22 · 2026-09-21 · Sale · Disposed 40 · Balance 23,808.25

Row 23 · 2026-09-21 · Sale · Disposed 40 · Balance 23,768.25

Row 24 · 2026-09-21 · Sale · Disposed 915 · Balance 22,853.25

Row 25 · 2026-09-21 · Sale · Disposed 80 · Balance 22,773.25

Row 26 · 2026-09-21 · Sale · Disposed 40 · Balance 22,733.25

Row 27 · 2026-09-21 · Sale · Disposed 40 · Balance 22,693.25

NQ Stock OptionSEC Table II · derivative / convertible security · Conversion / exercise price $158.40 · Expires 2032-08-20Direct17,378 Reported balance After 2026-09-21 transaction · row 28 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 28 · 2026-09-21 · Exercise / conversion · Disposed 915 · Balance 17,378

F19: 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 vested 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.

Filing footnotes · ownership attribution and instrument terms

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 $864.79 to $865.43. 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.

F3: These Ordinary Shares were sold in multiple trades at prices ranging from $867.77 to $868.44. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $868.79 to $869.47. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $869.82 to $870.80. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

F6: These Ordinary Shares were sold in multiple trades at prices ranging from $870.89 to $871.77. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

F7: These Ordinary Shares were sold in multiple trades at prices ranging from $871.91 to $872.90. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $872.94 to $873.93. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $873.96 to $874.94. 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.

F10: These Ordinary Shares were sold in multiple trades at prices ranging from $874.98 to $875.96. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $875.99 to $876.93. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $876.99 to $877.76. 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.

F13: These Ordinary Shares were sold in multiple trades at prices ranging from $878.01 to $878.82. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $879.58 to $879.90. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $880.62 to $881.54. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

F16: These Ordinary Shares were sold in multiple trades at prices ranging from $881.65 to $882.17. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

F17: These Ordinary Shares were sold in multiple trades at prices ranging from $882.78 to $883.77. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

F18: These Ordinary Shares were sold in multiple trades at prices ranging from $887.75 to $888.25. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

F19: 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 vested 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.

Transaction history

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

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

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 20, 2026 Filed Aug 24, 2026 21:11 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionRestricted Share Unit · Derivative 1,764 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000186 · wk-form4_1787605879.xml · derivative · entry 9

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 5,292

Underlying: Ordinary Shares · 1,764 shares

Expires not disclosed

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

F2 · derivative.exercise_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan") subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

F2 · derivative.expiration_date: Consists of a grant of Restricted Share Unit (RSU) awarded to the Reporting Person under the Seagate Technology Holdings plc 2022 Equity Incentive Plan (the "2022 Plan") subject to a four-year vesting schedule. Subject to the Reporting Person's continuous employment, such RSUs vest as to one-quarter of the shares on August 20, 2026 and then in equal quarterly installments thereafter.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 523 $835.54 $436,987.42
Disclosure

SEC source: 0001137789-26-000186 · wk-form4_1787605879.xml · nonDerivative · entry 8

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,459.75

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 523 $158.40 $82,843.20
Disclosure

SEC source: 0001137789-26-000186 · wk-form4_1787605879.xml · nonDerivative · entry 7

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,982.75

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

F1 · shares: The option exercise and sale of Ordinary Shares reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 206.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 1,221 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000186 · wk-form4_1787605879.xml · nonDerivative · entry 5

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,068.25

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

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 4,070 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000186 · wk-form4_1787605879.xml · nonDerivative · entry 3

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,875.25

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

Read SEC document
August 20, 2026 Filed Aug 24, 2026 21:11 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 1,764 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000186 · wk-form4_1787605879.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,684.25

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

Read SEC document
August 03, 2026 Filed Aug 4, 2026 22:09 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 168 $817.76 $137,383.68
Disclosure

SEC source: 0001137789-26-000165 · wk-form4_1785881385.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,920.25

F1 · shares: These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026.

Read SEC document
June 12, 2026 Filed Jun 15, 2026 21:45 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 898 $880.19 $790,410.62
Disclosure

SEC source: 0001137789-26-000142 · wk-form4_1781559913.xml · nonDerivative · entry 3

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,088.25

F1 · shares: These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026.

Read SEC document
June 12, 2026 Filed Jun 15, 2026 21:45 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 466 $880.19 $410,168.54
Disclosure

SEC source: 0001137789-26-000142 · wk-form4_1781559913.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,986.25

Read SEC document
June 11, 2026 Filed Jun 15, 2026 21:45 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionRestricted Share Unit · Derivative 942 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000142 · wk-form4_1781559913.xml · derivative · entry 4

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,710

Underlying: Ordinary Shares · 942 shares

Expires not disclosed

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

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

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

Read SEC document
June 11, 2026 Filed Jun 15, 2026 21:45 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 942 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000142 · wk-form4_1781559913.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,452.25

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

Read SEC document
June 10, 2026 Filed Jun 11, 2026 20:29 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 319.75 $821.65 $262,723.71
Disclosure

SEC source: 0001137789-26-000130 · wk-form4_1781209765.xml · nonDerivative · entry 4

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,510.25

Read SEC document
June 10, 2026 Filed Jun 11, 2026 20:29 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 254 $821.66 $208,702.71
Disclosure

SEC source: 0001137789-26-000130 · wk-form4_1781209765.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,199

Read SEC document
June 09, 2026 Filed Jun 11, 2026 20:29 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionRestricted Share Unit · Derivative 631 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000130 · wk-form4_1781209765.xml · derivative · entry 6

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,686

Underlying: Ordinary Shares · 631 shares

Expires not disclosed

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

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

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

Read SEC document
June 09, 2026 Filed Jun 11, 2026 20:29 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionRestricted Share Unit · Derivative 499 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000130 · wk-form4_1781209765.xml · derivative · entry 5

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 500

Underlying: Ordinary Shares · 499 shares

Expires not disclosed

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

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

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

Read SEC document
June 09, 2026 Filed Jun 11, 2026 20:29 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 631 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000130 · wk-form4_1781209765.xml · nonDerivative · entry 3

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,830

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

Read SEC document
June 09, 2026 Filed Jun 11, 2026 20:29 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 499 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000130 · wk-form4_1781209765.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,453

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

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 40 $748.14 $29,925.60
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 14

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,954

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 120 $745.64 $89,476.80
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 13

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,994

F14 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $745.34 to $745.83. 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.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 80 $744.52 $59,561.60
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 12

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,114

F13 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $744.18 to $744.86. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 248 $743.46 $184,377.68
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 11

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,194

F12 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $743.14 to $743.94. 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.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 398 $742.47 $295,502.46
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 10

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,442

F11 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $742.08 to $743.04. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 615 $740.93 $455,671.95
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 9

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,840

F10 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $740.36 to $741.35. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 631 $739.94 $466,902.39
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 8

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,455

F9 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $739.36 to $740.27. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 427 $738.79 $315,461.45
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 7

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,086

F8 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $738.31 to $739.09. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 800 $737.77 $590,212.88
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 6

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,513

F7 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $737.28 to $738.21. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 734 $736.81 $540,818.32
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 5

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,313

F6 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $736.27 to $737.25. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 520 $735.69 $382,561.19
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 4

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,047

F5 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $735.27 to $736.21. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 613 $734.86 $450,471.88
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 3

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,567

F4 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $734.27 to $735.23. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 240 $733.67 $176,081.59
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,180

F3 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $733.23 to $734.08. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 04, 2026 Filed May 6, 2026 20:36 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 160 $731.65 $117,064.40
Disclosure

SEC source: 0001137789-26-000098 · wk-form4_1778099781.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,420

F1 · shares: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on January 29, 2026.

F2 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $731.38 to $732.18. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
March 13, 2026 Filed Mar 16, 2026 20:30 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 112 $377.44 $42,273.28
Disclosure

SEC source: 0001137789-26-000072 · wk-form4_1773693032.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,580

F1 · shares: These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on June 1, 2025.

Read SEC document
March 11, 2026 Filed Mar 12, 2026 20:11 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionRestricted Share Unit · Derivative 942 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000067 · wk-form4_1773346283.xml · derivative · entry 3

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,652

Underlying: Ordinary Shares · 942 shares

Expires not disclosed

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

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

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

Read SEC document
March 11, 2026 Filed Mar 12, 2026 20:11 UTC Seagate Technology Holdings plc STX · Entity 2029 Tax withholdingOrdinary Shares 430 $385.97 $165,967.10
Disclosure

SEC source: 0001137789-26-000067 · wk-form4_1773346283.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,692

Read SEC document
March 11, 2026 Filed Mar 12, 2026 20:11 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 942 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000067 · wk-form4_1773346283.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,122

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

Read SEC document
March 09, 2026 Filed Mar 11, 2026 20:14 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionRestricted Share Unit · Derivative 631 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000060 · wk-form4_1773260038.xml · derivative · entry 6

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,317

Underlying: Ordinary Shares · 631 shares

Expires not disclosed

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

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

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

Read SEC document
March 09, 2026 Filed Mar 11, 2026 20:14 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionRestricted Share Unit · Derivative 499 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000060 · wk-form4_1773260038.xml · derivative · entry 5

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 999

Underlying: Ordinary Shares · 499 shares

Expires not disclosed

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

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

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

Read SEC document
March 09, 2026 Filed Mar 11, 2026 20:14 UTC Seagate Technology Holdings plc STX · Entity 2029 Tax withholdingOrdinary Shares 288 $374.33 $107,807.04
Disclosure

SEC source: 0001137789-26-000060 · wk-form4_1773260038.xml · nonDerivative · entry 4

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,180

Read SEC document
March 09, 2026 Filed Mar 11, 2026 20:14 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 631 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000060 · wk-form4_1773260038.xml · nonDerivative · entry 3

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,468

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

Read SEC document
March 09, 2026 Filed Mar 11, 2026 20:14 UTC Seagate Technology Holdings plc STX · Entity 2029 Tax withholdingOrdinary Shares 228 $374.33 $85,347.24
Disclosure

SEC source: 0001137789-26-000060 · wk-form4_1773260038.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,837

Read SEC document
March 09, 2026 Filed Mar 11, 2026 20:14 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 499 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000060 · wk-form4_1773260038.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,065

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

Read SEC document
February 24, 2026 Filed Feb 25, 2026 21:18 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 240 $410.00 $98,400.00
Disclosure

SEC source: 0001137789-26-000046 · wk-form4_1772054329.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,566

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

Read SEC document
February 20, 2026 Filed Feb 23, 2026 22:20 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionPerformance-Based Restricted Share Units · Derivative 4,427 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000040 · wk-form4_1771885223.xml · derivative · entry 3

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 4,427 shares

Expires not disclosed

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

F2 · derivative.exercise_date: On January 24, 2026 the Compensation and People Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to the 4,427 Performance Share Units granted on February 20, 2024. The 4,427 Ordinary Shares vested on February 20, 2026.

F2 · derivative.expiration_date: On January 24, 2026 the Compensation and People Committee of the Board of Directors of the Issuer determined that the performance conditions were met with respect to the 4,427 Performance Share Units granted on February 20, 2024. The 4,427 Ordinary Shares vested on February 20, 2026.

Read SEC document
February 20, 2026 Filed Feb 23, 2026 22:20 UTC Seagate Technology Holdings plc STX · Entity 2029 Tax withholdingOrdinary Shares 2,032 $411.11 $835,375.52
Disclosure

SEC source: 0001137789-26-000040 · wk-form4_1771885223.xml · nonDerivative · entry 2

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,806

Read SEC document
February 20, 2026 Filed Feb 23, 2026 22:20 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 4,427 $0.00 $0.00
Disclosure

SEC source: 0001137789-26-000040 · wk-form4_1771885223.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,838

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

F1 · balance_after: Includes 161 Ordinary Shares purchased by Reporting Person on January 31, 2026 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934.

Read SEC document
December 15, 2025 Filed Dec 16, 2025 21:12 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 113 $291.89 $32,983.57
Disclosure

SEC source: 0001137789-25-000373 · wk-form4_1765919528.xml · nonDerivative · entry 1

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,250

F1 · shares: These Ordinary Shares were sold under a Rule 10b5-1 trading plan adopted by the Reporting Person on June 1, 2025.

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionRestricted Share Unit · Derivative 941 $0.00 Strike: $0.00 $0.00
Disclosure

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

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,594

Underlying: Ordinary Shares · 941 shares

Expires not disclosed

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

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

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

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC Seagate Technology Holdings plc STX · Entity 2029 Tax withholdingOrdinary Shares 430 $307.85 $132,373.35
Disclosure

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

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,363

Read SEC document
December 11, 2025 Filed Dec 12, 2025 21:17 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 941 $0.00 $0.00
Disclosure

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

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,793

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

Read SEC document
December 09, 2025 Filed Dec 11, 2025 21:04 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionRestricted Share Unit · Derivative 631 $0.00 Strike: $0.00 $0.00
Disclosure

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

Morris John Christopher · CIK 0001988271 · EVP & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,948

Underlying: Ordinary Shares · 631 shares

Expires not disclosed

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

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

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

Read SEC document

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