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person · Reporting owner

MOSLEY WILLIAM D

Disclosed activity across 2 companies

Tapewire entity
2030
SEC CIK
0001388390

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
CIRRUS LOGIC, INC.CRUS · Entity 3854DirectorJuly 29, 2026July 31, 2026
Seagate Technology Holdings plcSTX · Entity 2029Director · CEOOctober 01, 2026October 03, 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.

CIRRUS LOGIC, INC.

Report date July 29, 2026 · Filed July 31, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect3,622 Reported balance After 2026-07-29 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-07-29 · Grant · Acquired 1,998 · Balance 3,622

F1: Each restricted stock unit was the economic equivalent of one share of common stock. The restricted stock unit vested on July 29, 2026.

F2: Expiration Date of July 29, 2026.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect0 Reported balance After 2026-07-29 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-07-29 · Exercise / conversion · Disposed 1,998 · Balance 0

F1: Each restricted stock unit was the economic equivalent of one share of common stock. The restricted stock unit vested on July 29, 2026.

F2: Expiration Date of July 29, 2026.

Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect1,623 Reported balance After 2026-07-31 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-07-31 · Grant · Acquired 1,623 · Balance 1,623

F3: Each restricted stock unit represents a contingent right to receive one share of Cirrus Logic common stock.

F4: Restricted Stock Units granted upon re-election to Cirrus Logic, Inc.'s Board of Directors.

F5: 100% of the restricted stock units will vest on the earlier of: (a) the date of the Company's next Annual Meeting or (b) on July 31, 2027, the 1-year anniversary of the grant date.

Filing footnotes · ownership attribution and instrument terms

F1: Each restricted stock unit was the economic equivalent of one share of common stock. The restricted stock unit vested on July 29, 2026.

F2: Expiration Date of July 29, 2026.

F3: Each restricted stock unit represents a contingent right to receive one share of Cirrus Logic common stock.

F4: Restricted Stock Units granted upon re-election to Cirrus Logic, Inc.'s Board of Directors.

F5: 100% of the restricted stock units will vest on the earlier of: (a) the date of the Company's next Annual Meeting or (b) on July 31, 2027, the 1-year anniversary of the grant date.

Seagate Technology Holdings plc

Report date October 01, 2026 · Filed October 03, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Ordinary SharesSEC Table I · non-derivativeDirect362,108.25 Ending reported balance After 2026-10-01 transaction · row 16
16 source rows · reconciled sequence

Row 1 · 2026-10-01 · Sale · Disposed 360 · Balance 372,750.25

F1: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026.

F2: These Ordinary Shares were sold in multiple trades at prices ranging from $928.44 to $929.30. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 2 · 2026-10-01 · Sale · Disposed 855 · Balance 371,895.25

F3: These Ordinary Shares were sold in multiple trades at prices ranging from $929.51 to $930.50. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Row 3 · 2026-10-01 · Sale · Disposed 1,665 · Balance 370,230.25

F4: These Ordinary Shares were sold in multiple trades at prices ranging from $930.53 to $931.48. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 · 2026-10-01 · Sale · Disposed 1,320 · Balance 368,910.25

F5: These Ordinary Shares were sold in multiple trades at prices ranging from $931.56 to $932.55. 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.

Row 5 · 2026-10-01 · Sale · Disposed 840 · Balance 368,070.25

F6: These Ordinary Shares were sold in multiple trades at prices ranging from $932.73 to $933.67. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 · 2026-10-01 · Sale · Disposed 822 · Balance 367,248.25

F7: These Ordinary Shares were sold in multiple trades at prices ranging from $933.77 to $934.76. 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 7 · 2026-10-01 · Sale · Disposed 640 · Balance 366,608.25

F8: These Ordinary Shares were sold in multiple trades at prices ranging from $934.83 to $935.70. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 · 2026-10-01 · Sale · Disposed 759 · Balance 365,849.25

F9: These Ordinary Shares were sold in multiple trades at prices ranging from $935.84 to $936.80. 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 9 · 2026-10-01 · Sale · Disposed 579 · Balance 365,270.25

F10: These Ordinary Shares were sold in multiple trades at prices ranging from $936.88 to $937.83. 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.

Row 10 · 2026-10-01 · Sale · Disposed 640 · Balance 364,630.25

F11: These Ordinary Shares were sold in multiple trades at prices ranging from $937.91 to $938.67. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 · 2026-10-01 · Sale · Disposed 720 · Balance 363,910.25

F12: These Ordinary Shares were sold in multiple trades at prices ranging from $938.92 to $939.89. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 · 2026-10-01 · Sale · Disposed 80 · Balance 363,830.25

F13: These Ordinary Shares were sold in multiple trades at prices ranging from $940.19 to $940.21. 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.

Row 13 · 2026-10-01 · Sale · Disposed 40 · Balance 363,790.25

Row 14 · 2026-10-01 · Sale · Disposed 280 · Balance 363,510.25

F14: These Ordinary Shares were sold in multiple trades at prices ranging from $942.72 to $943.68. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 · 2026-10-01 · Sale · Disposed 440 · Balance 363,070.25

F15: These Ordinary Shares were sold in multiple trades at prices ranging from $944.50 to $945.46. 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.

Row 16 · 2026-10-01 · Sale · Disposed 962 · Balance 362,108.25

F16: These Ordinary Shares were sold in multiple trades at prices ranging from $945.60 to $946.34. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

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 February 18, 2026.

F2: These Ordinary Shares were sold in multiple trades at prices ranging from $928.44 to $929.30. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $929.51 to $930.50. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

F4: These Ordinary Shares were sold in multiple trades at prices ranging from $930.53 to $931.48. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $931.56 to $932.55. 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.

F6: These Ordinary Shares were sold in multiple trades at prices ranging from $932.73 to $933.67. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $933.77 to $934.76. 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.

F8: These Ordinary Shares were sold in multiple trades at prices ranging from $934.83 to $935.70. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $935.84 to $936.80. 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.

F10: These Ordinary Shares were sold in multiple trades at prices ranging from $936.88 to $937.83. 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.

F11: These Ordinary Shares were sold in multiple trades at prices ranging from $937.91 to $938.67. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $938.92 to $939.89. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $940.19 to $940.21. 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.

F14: These Ordinary Shares were sold in multiple trades at prices ranging from $942.72 to $943.68. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 $944.50 to $945.46. 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.

F16: These Ordinary Shares were sold in multiple trades at prices ranging from $945.60 to $946.34. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

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
June 01, 2026 Filed Jun 2, 2026 21:16 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 360 $924.88 $332,958.38
Disclosure

SEC source: 0001137789-26-000117 · wk-form4_1780435008.xml · nonDerivative · entry 8

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 328,905

F9 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $924.39 to $925.33. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
June 01, 2026 Filed Jun 2, 2026 21:16 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 480 $923.58 $443,317.58
Disclosure

SEC source: 0001137789-26-000117 · wk-form4_1780435008.xml · nonDerivative · entry 7

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 329,265

F8 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $923.39 to $923.92. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
June 01, 2026 Filed Jun 2, 2026 21:16 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,598 $922.95 $1,474,873.46
Disclosure

SEC source: 0001137789-26-000117 · wk-form4_1780435008.xml · nonDerivative · entry 6

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 329,745

F7 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $922.39 to $923.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
June 01, 2026 Filed Jun 2, 2026 21:16 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,807 $921.75 $1,665,597.55
Disclosure

SEC source: 0001137789-26-000117 · wk-form4_1780435008.xml · nonDerivative · entry 5

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 331,343

F6 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $921.33 to $922.32. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
June 01, 2026 Filed Jun 2, 2026 21:16 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,730 $920.90 $1,593,159.08
Disclosure

SEC source: 0001137789-26-000117 · wk-form4_1780435008.xml · nonDerivative · entry 4

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 333,150

F5 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $920.26 to $921.25. 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
June 01, 2026 Filed Jun 2, 2026 21:16 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,691 $919.62 $1,555,082.32
Disclosure

SEC source: 0001137789-26-000117 · wk-form4_1780435008.xml · nonDerivative · entry 3

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 334,880

F4 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $919.24 to $920.21. 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
June 01, 2026 Filed Jun 2, 2026 21:16 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 480 $918.75 $440,999.42
Disclosure

SEC source: 0001137789-26-000117 · wk-form4_1780435008.xml · nonDerivative · entry 2

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 336,571

F3 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $918.07 to $919.05. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
June 01, 2026 Filed Jun 2, 2026 21:16 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 320 $916.78 $293,368.00
Disclosure

SEC source: 0001137789-26-000117 · wk-form4_1780435008.xml · nonDerivative · entry 1

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 337,051

F1 · shares: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026.

F2 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $916.34 to $917.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionNQ Options · Derivative 14,000 $0.00 Strike: $46.23 $0.00
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · derivative · entry 21

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 153,100

Underlying: Ordinary Shares · 14,000 shares

Expires 2027-09-09

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

F20 · derivative.exercise_date: Options granted to the Reporting Person under the Issuer's 2012 Equity Incentive Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the option shares vested on September 9, 2021. The remaining option shares vested in equal monthly installments over the 36 months following September 9, 2021.

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 120 $763.18 $91,581.60
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 20

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 339,591

F19 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $762.83 to $763.70. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 80 $760.49 $60,838.80
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 19

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 339,711

F18 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $760.20 to $760.77. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 80 $758.65 $60,692.00
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 18

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 339,791

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 320 $758.05 $242,575.20
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 17

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 339,871

F17 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $757.49 to $758.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,480 $756.83 $1,120,106.33
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 16

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 340,191

F16 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $756.26 to $757.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,661 $755.72 $1,255,254.24
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 15

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 341,671

F15 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $755.22 to $756.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 2,163 $754.70 $1,632,414.80
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 14

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 343,332

F14 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $754.22 to $755.21. 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 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 2,708 $753.69 $2,041,004.98
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 13

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 345,495

F13 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $753.20 to $754.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 3,182 $752.72 $2,395,156.31
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 12

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 348,203

F12 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $752.19 to $753.18. 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
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 4,206 $751.75 $3,161,839.47
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 11

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 351,385

F11 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $751.19 to $752.17. 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 4,810 $750.84 $3,611,563.97
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 10

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 355,591

F10 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $750.18 to $751.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

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May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,619 $749.67 $1,213,715.08
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 9

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 360,401

F9 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $749.16 to $750.15. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

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May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,719 $748.53 $1,286,721.52
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 8

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 362,020

F8 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $748.16 to $749.08. 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.

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May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,605 $747.64 $1,199,955.78
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 7

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 363,739

F7 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $747.16 to $748.13. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,463 $746.53 $1,092,177.19
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 6

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 365,344

F6 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $746.10 to $747.08. 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 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,264 $745.55 $942,379.12
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 5

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 366,807

F5 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $745.03 to $746.02. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 840 $744.52 $625,393.61
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 4

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 368,071

F4 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $743.96 to $744.91. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 560 $743.14 $416,157.90
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 3

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 368,911

F3 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $742.70 to $743.55. 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.

Read SEC document
May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 120 $742.01 $89,040.60
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 2

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 369,471

F1 · shares: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 18, 2026.

F2 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $741.70 to $742.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

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May 20, 2026 Filed May 21, 2026 20:52 UTC Seagate Technology Holdings plc STX · Entity 2029 Exercise / conversionOrdinary Shares 14,000 $46.23 $647,220.00
Disclosure

SEC source: 0001137789-26-000106 · wk-form4_1779396736.xml · nonDerivative · entry 1

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 369,591

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.

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April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 300 $427.97 $128,391.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 21

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 355,591

F18 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $427.63 to $428.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 800 $426.93 $341,545.04
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 20

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 355,891

F17 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $426.47 to $427.45. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,000 $425.94 $425,937.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 19

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 356,691

F16 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $425.46 to $426.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,500 $424.92 $637,381.95
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 18

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 357,691

F15 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $424.46 to $425.44. 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.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,469 $423.98 $622,819.57
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 17

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 359,191

F14 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $423.41 to $424.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 2,444 $422.93 $1,033,641.90
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 16

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 360,660

F13 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $422.41 to $423.37. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 2,887 $421.84 $1,217,844.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 15

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 363,104

F12 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $421.37 to $422.35. 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 2,900 $420.77 $1,220,239.09
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 14

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 365,991

F11 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $420.35 to $421.30. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,500 $419.94 $629,903.40
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 13

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 368,891

F10 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $419.33 to $420.31. 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.

Read SEC document
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,092 $418.79 $457,314.09
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 12

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 370,391

F9 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $418.22 to $419.10. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 808 $417.45 $337,300.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 11

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 371,483

F8 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $417.22 to $418.18. 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 1,100 $416.56 $458,215.67
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 10

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 372,291

F7 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $416.18 to $417.14. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 800 $415.23 $332,185.04
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 9

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 373,391

F6 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $414.85 to $415.69. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 300 $413.97 $124,190.01
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 8

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 374,191

F5 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $413.57 to $414.29. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 300 $412.28 $123,684.99
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 7

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 374,491

F4 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $412.05 to $412.40. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 100 $410.83 $41,083.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 6

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 374,791

Read SEC document
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 200 $409.18 $81,836.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 5

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 374,891

F3 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $409.03 to $409.33. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 100 $407.48 $40,748.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 4

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 375,091

Read SEC document
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 100 $404.06 $40,406.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 3

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 375,191

Read SEC document
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 200 $400.34 $80,067.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 2

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 375,291

F2 · price: These Ordinary Shares were sold in multiple trades at prices ranging from $400.14 to $400.53. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, 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
April 01, 2026 Filed Apr 2, 2026 20:53 UTC Seagate Technology Holdings plc STX · Entity 2029 SaleOrdinary Shares 100 $399.05 $39,905.00
Disclosure

SEC source: 0001137789-26-000076 · wk-form4_1775163217.xml · nonDerivative · entry 1

MOSLEY WILLIAM D · CIK 0001388390 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 375,491

F1 · shares: All transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 20, 2025.

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